White Collar Factory (95009), United Kingdom, London, LondonPenetration Testing Manager

Capital One Offensive Security reduces cyber risk by uncovering vulnerabilities and weaknesses in the enterprise cyber environment through coordinated ethical hacking and penetration testing scenarios. This position works closely with team members to plan, coordinate, execute and report on sophisticated ethical hacking exercises, to identify cyber vulnerabilities and reduce the risk posture of enterprise systems. This role will be responsible for the identification and exploitation of security weaknesses, providing actionable recommendations, and collaborating with various teams to enhance our security posture.

About this role:

The successful candidate for this position will be part of an exciting and dynamic environment to build and deliver industry leading ethical hacking capabilities to continuously protect and defend Capital One brand, systems and data. Offensive Security is part of the Cyber Operations and Intelligence program and assists with identifying opportunities to enhance Capital One’s information security posture against a broad range of cyber threats, and develop strategies to most effectively address the threats.

What you’ll do:

• Leading and overseeing penetration testing of enterprise networks, services, applications, and infrastructure.
• Contributing to the development of a comprehensive penetration testing strategy that aligns with the organization’s overall security objectives.
• Analyzing penetration testing results and providing actionable insights to relevant stakeholders to drive remediation efforts and improve the organization’s security posture.
• Staying abreast of emerging threats and attack techniques to ensure that the team’s strategy and techniques remain relevant and effective.
• Providing mentorship and guidance to foster professional development and enhance the team’s overall capabilities.
• Working with developers on remediation guidance and improvements throughout the Software CI/CD pipeline.
• Clearly and effectively conveying technical information and results to diverse audiences, including senior management and those without a technical background.

What we’re looking for:

• Information security experience in one or more of the following areas: red teaming, penetration testing, application security, or network security.
• Experience with security testing tools and tradecraft.
• Able to communicate effectively up, down and across the organization, both verbally and in writing. Including the ability to explain complex technical findings to technical teams and executive audiences.
• Proven ability to manage technical staff and projects, perform effective long term planning and implement continuous process improvement practices.
• Should have a strong understanding of networking concepts, Windows, Linux and Mac operating systems, cloud and web application vulnerabilities and exploitation.

Any of these would be advantageous (but we’d still love to hear from you):

• Bachelors Degree or equivalent certification
• Security testing of cloud environments. We’re invested with AWS but will consider those who have worked on any other major public cloud provider (Azure, GCP).
• Experience in offensive security tool development, customization or expansion.
• Ability to code comfortably in one or more interpreted languages (eg. Python, Bash, PowerShell, Perl, Ruby) and one or more compiled languages (eg. C, C++, C#, Golang, Rust, Java, Objective-C)
• One or more of the following certifications (OSCP, OSCE, GPEN, GXPN, CRTO, CREST Certified Simulated Attack Manager)

Where and how you’ll work

This is a permanent position and can be based in either our London or Nottingham Head Offices.

We have a hybrid working model which gives you flexibility to work from our offices and from home.

We’re big on collaboration and connection, so you’ll be based in our London Head Office office 3 days a week.

Many of our associates have flexible working arrangements, and we’re open to talking about an arrangement that works for you.

What’s in it for you

• Bring us all this - and you’ll be well rewarded with a role contributing to the roadmap of an organisation committed to transformation
• We offer high performers strong and diverse career progression, investing heavily in developing great people through our Capital One University training programmes (and appropriate external providers)
• Immediate access to our core benefits including pension scheme, bonus, generous holiday entitlement and private medical insurance - with flexible benefits available including season-ticket loans, cycle to work scheme and enhanced parental leave
• Open-plan workspaces and accessible facilities designed to inspire and support you. Our Nottingham head-office has a fully-serviced gym, subsidised restaurant, mindfulness and music rooms. In London, you can heighten your mood with a run on our rooftop running track or an espresso at the Workshop Coffee café

What you should know about how we recruit

We pride ourselves on hiring the best people, not the same people. Building diverse and inclusive teams is the right thing to do and the smart thing to do. We want to work with top talent: whoever you are, whatever you look like, wherever you come from. We know it’s about what you do, not just what you say. That’s why we make our recruitment process fair and accessible. And we offer benefits that attract people at all ages and stages.

We also partner with organisations including the Women in Finance and Race At Work Charters, Stonewall and upReach to find people from every walk of life and help them thrive with us. We have a whole host of internal networks and support groups you could be involved in, to name a few:

• REACH - Race Equality and Culture Heritage group focuses on representation, retention and engagement for associates from minority ethnic groups and allies
• OutFront - to provide LGBTQ+ support for all associates
• Mind Your Mind - signposting support and promoting positive mental wellbeing for all
• Women in Tech - promoting an inclusive environment in tech
• EmpowHER - network of female associates and allies focusing on developing future leaders, particularly for female talent in our industry

Capital One is committed to diversity in the workplace.

If you require a reasonable adjustment, please contact All information will be kept confidential and will only be used for the purpose of applying a reasonable adjustment.

For technical support or questions about Capital One’s recruiting process, please send an email to

Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site.

Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC).

Who We Are

At Capital One, we’re building a leading information-based technology company. Still founder-led by Chairman and Chief Executive Officer Richard Fairbank, Capital One is on a mission to help our customers succeed by bringing ingenuity, simplicity, and humanity to banking. We measure our efforts by the success our customers enjoy and the advocacy they exhibit. We are succeeding because they are succeeding.

Guided by our shared values, we thrive in an environment where collaboration and openness are valued. We believe that innovation is powered by perspective and that teamwork and respect for each other lead to superior results. We elevate each other and obsess about doing the right thing. Our associates serve with humility and a deep respect for their responsibility in helping our customers achieve their goals and realize their dreams. Together, we are on a quest to change banking for good.

Role: Cyber Security Consultant
Location: Remote/Hybrid (Mix of home working, Gloucestershire office and client site visits)
Salary: £45,000 + Expenses + Overnight Allowance (TBC)
Active SC Clearance is a requirement - must be willing to pursue DV Clearance

We are looking for an experienced Cyber Security Consultant to join a well-established and growing UK-based cybersecurity consultancy, delivering high quality penetration testing services across a varied and interesting client base including government and public sector organisations.

This is a role for someone who can hit the ground running. You’ll be joining a team of around 13-15 consultants and are expected to operate independently from day one. No two weeks look the same; work pattern is flexible and dictated by client demand, with a genuine mix of home working, office time in Gloucestershire, and client site visits as required.

Key Responsibilities:

• Deliver CHECK and non-CHECK penetration testing engagements across infrastructure, web applications, mobile, cloud, and Active Directory environments
• Support pre-sales activity through scoping and client engagement
• Produce clear, high quality technical reports and present findings to clients
• Maintain up to date knowledge of current threat trends, tools, and industry frameworks
• Contribute to internal training materials and technical blog content
• Provide guidance and support to junior team members when required

Requirements:

• Active SC Clearance is an ABSOLUTE MUST - must be willing to pursue DV Clearance
• Active CSTM or CCT certification is an ABSOLUTE MUST
• Proven hands-on penetration testing experience - must be able to hit the ground running
• Strong knowledge of testing frameworks including OWASP
• Knowledge of Cyber Security standards and policies such as ISO 27001, CIS, and PCI DSS.
• Experience across Linux and Windows environments
• Knowledge of cloud environments (Azure, AWS)
• Strong written and verbal communication skills with experience presenting to clients

Benefits:

• £45,000 + Expenses + Overnight Bonus
• 31 Days Annual Leave (20 + 8 BH + 3 Xmas Shutdown)
• Paid Charity Day
• Up to 5 unpaid annual leave days per year
• Company pension scheme

Role: Cyber Security Consultant
Location: Remote/Hybrid (Mix of home working, Gloucestershire office and client site visits)
Salary: £45,000 + Expenses + Overnight Allowance (TBC)
Active SC Clearance is a requirement - must be willing to pursue DV Clearance

Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy.

To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website.

Cyber Security EngineerUp to £58,000 plus excellent pension and holiday entitlement
Hybrid - 2 days on site - Manchester

About the Role

I’m working with a Manchester-based public sector organisation who are seeking a cyber security engineer to work alongside security architects and project teams on exciting projects, implementations and designs.

This role comes with excellent training and progression opportunities, and is therefore a great opportunity for someone looking to take their security engineering skillset into the projects, design and architecture space.

The ideal candidate will have an understanding of architecture and secure by design principles, and will have experience implementing security controls and integrating security engineering best practices and into agile and DevOps processes.

Key Responsibilities

• Working alongside security architects and project teams to assess designs, uncover potential risks, and integrate security best practice
• Taking responsibility for deploying security controls across projects and operational environments
• Configuring assets across a multi-cloud environment
• Converting architectural designs into practical actions and processes
• Integrating security into agile and DevSecOps processes
• Ensuring projects and designs are secure by design, and being actively involved in creating and implementing the controls to ensure this is the case
• Monitor emerging trends and technologies, evaluating their potential for future adoption within the security strategy.
• Apply foundational security principles to new technologies and unconventional scenarios while enabling organisational objectives.

What We’re Looking For

• SIEM/SOAR: Proficiency in SIEM concepts, data source integration, and creating SOAR runbooks.
• Security Stack: Hands-on with EDR, XDR, WAF, and email security solutions.
• Preferred Vendors: Experience with Crowdstrike, Palo Alto, and the Microsoft Defender suite is highly beneficial.
• Emerging Tech: Awareness of AI security risks and familiarity with DevSecOps practices.
• Infrastructure & System Security: Proficient in identifying and mitigating vulnerabilities within system hardware, software, and infrastructure components.
• Identity & Access Management (IAM): Practical expertise in PIM, PAM, RBAC, concepts and their real-world application.
• Network & Data Security: Proficiency in firewalls, encryption (data at rest and in transit), and how to defend against malware across enterprise services.
• Security Architecture & Design: Ability to translate high-level architectural designs into practical, low-level technical solutions while ensuring they are ‘secure by design’.
• Cloud & Endpoint Security: Developing expertise in cloud technologies and securing diverse platforms including Windows, Linux, and macOS.
• M365: Experience in improving Secure Score and recommending securing products like SharePoint Online.
• Assurance: Experience in assuring deployments met security design.

Package

• Up to £58,000 per annum
• 29 days annual leave excluding bank holidays
• 21% pension
• Career development opportunities and access to accredited qualifications
• Additional benefits available

What to do now
If you’re interested in this opportunity, click apply and send an up-to-date copy of your CV.

Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C’s, Privacy Policy and Disclaimers which can be found at hays.co.uk

Perm roles - Solutions Test Technician and Test Technician - On-Site, Paignton - RL8104

Reference - RL8104
Job Title - Solutions Test Technician and Test Technician (both roles are in different teams)
Location - Paignton, On-Site
Salary - Competitive
Benefits - 25 days annual leave (increasing to 30 with length of service), 4 x life insurance, employer pension contributions starting from 6% up to 14%, single private medical insurance and Medicash plan.

The Client
We are partnering with a globally recognised engineering organisation operating within a highly specialised technology space, supporting critical applications across multiple industries. They have a strong focus on quality, innovation, and continuous improvement, with a collaborative environment that brings together engineering, operations, and supply chain to deliver high-performance products.

Job Overview
The Solutions Test Technician and Test Technician plays a key role in building, integrating, and verifying customized GNSS test systems. You’ll work hands-on with electronics, cabling, mechanical components, and computing platforms to deliver reliable, bespoke solutions that meet rigorous technical specifications. This role directly supports engineers and project managers in the delivery of specialized systems to high-profile global customers.

Job Responsibilities

• Work closely with operations leads to meet the production schedule.
• Configure and test system components, including signal generators, computers, timing references, and customer-specific modules.
• Support system-level testing and debugging alongside engineers and software specialists.
• Ensure systems meet customer-specific requirements, including mechanical layout, environmental constraints, and interface standards.
• Maintain test documentation, configuration records, and version tracking.
• Assist in hardware troubleshooting and resolution of integration issues during development or customer acceptance.
• Prepare systems for delivery, including final quality checks, packaging, and supporting documentation.
• Provide feedback on process improvements to the wider team
• Awareness of and adherence to QEHS policies (Quality, Environment, Health & Safety, IT Security)

Job Requirements

• HND, BTEC Level 3, or equivalent qualification in electronics, telecommunications, or a related field
• Proven experience in system assembly, electronics integration, or test equipment support.
• Competence in reading and working from wiring diagrams, system block diagrams, and build procedures.
• Hands-on experience with standard test equipment (oscilloscopes, spectrum analyzers, multimeters).
• Familiarity with Windows and/or Linux PC setup, BIOS configuration, and software installation.
• Comfortable working with RF systems, signal paths, and grounding/shielding best practices.
• Strong documentation and communication skills.
• Background in GNSS, RF, or telecommunications systems.
• Experience with custom or low-volume system builds in a lab or production setting.

To apply for this Solutions Test Technician and Test Technician permanent job, please click the button below and submit your latest CV.

Curo Services endeavours to respond to all applications, however this may not always be possible during periods of high volume. Thank you for your patience.

Curo Services is a trading name of Curo Resourcing Ltd and acts as an Employment Business for contract and temporary recruitment as well as an Employment Agency in relation to permanent vacancies.

Raytheon UK has a unique, perm opportunity for a Senior Data Scientist and Machine Learning Researcher to join our Strategic Research Group (SRG).

As a Senior Data Scientist and Machine Learning Researcher, you will be responsible for the technical development and leadership of AI/ML projects from initial idea scoping right through to final project delivery both in customer and internal domains. You will demonstrate novel thinking and propose new ideas for solving challenging problems while mentoring others on your project team to deliver towards your proposed solution.

Based in Gloucester, Manchester or London in a hybrid capacity (average of 3 days a week on-site). You must be eligible and willing to gain SC and eDV clearance.

Responsibilities

Develop complex, novel data science solutions, contributing significantly to machine learning projects with minimal guidance

Brings experience in scoping, designing, and delivering data-centric solutions while working collaboratively across disciplines

Undertake research and applied AI/ML tasks on both customer and internal research projects

Generate ideas for new research directions and provide technical leadership in small project groups

Mentor more junior team members within their project team and the wider SRG

Work with customers and internal stakeholders, with varied technical knowledge, to determine appropriate technical approaches and do the technical development required for delivery.

Required Skills & Experience

BSc in Machine Learning, Data Science, Computer Science, Mathematics or related field

Experience coding in Python and associated ML packages (HuggingFace, TensorFlow, PyTorch)

Proven experience of delivering ML solutions to customers and internal stakeholders

Demonstrate deep understanding of AI/ML algorithms for different data types and tasks including Generative AI, NLP and computer vision, sufficient to be able to undertake research and development beyond existing literature.

Experience of training and developing AI models including Large Language Models

Ability to produce high-quality scientific writing for internal & external stakeholders as well as academic publications

Experience of mentoring and undertaking technical leadership on small projects

Desirable Skills & Experience

PhD. or Masters degree

Experience using robust ML pipelines, appropriate version control and environment management (e.g. venvs or Docker)

Working knowledge of Linux systems, using basic commandline functionality (e.g. AWS CLI, Docker CLI, Linux commands)

Experience of deploying AI models in a scalable way for external users

Experience working in Cloud, preferably AWS but also GCP or Azure

Research publications in peer reviewed journals

Experience of writing technical project proposals

Benefits and Work Culture

37hr working week with early finish Fridays - start your weekend early!

An informal, flexible working culture that is output focused

25 days holiday + statutory public holidays, plus opportunity to buy and sell up to 5 days and up to 5 paid days volunteering

Contributory Pension Scheme (up to 10.5% company contribution)

Annual company bonus scheme (discretionary)

6 times salary Life Assurance with pension

Flexible Benefits scheme with extensive salary sacrifice schemes, including Health Cashplan, Dental, and Cycle to Work, amongst others

Enhanced sick pay

Enhanced family friendly policies including enhanced maternity, paternity & shared parental leave

Raytheon UK

This business area provides DevSecOps at scale, Artificial Intelligence, Machine Learning, cyber and geospatial intelligence capabilities to support the defence, intelligence and cyber sectors. Collaborating with customers and suppliers to deliver secure, mission critical systems using the latest technologies and innovations.

Joining our team means being part of an organisation that shapes the future of national security whilst investing in your growth and personal development. Together, we are not just advancing technology; we’re building a community committed to safeguarding a safer and more connected world.

RTX

Raytheon UK is a landed company and part of the wider RTX organisation. Headquartered in Arlington, Virginia, USA, but with over 180,000 employees globally across every continent, RTX provides advanced systems and services for commercial, military and government customers worldwide and comprises three industry-leading businesses - Collins Aerospace Systems, Pratt & Whitney, and Raytheon.

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Location: London (Hybrid - 2 days WFH, subject to business need)

Contract: Permanent, Full-Time
Hours: 9:00am - 5:30pm (additional hours as required; on-call to be confirmed)

Overview of Role

The Engineer - Platform Engineering is responsible for developing pipelines and automation scripts to deliver IT infrastructure across both public and private cloud environments, incorporating security best practices throughout.

This role partners closely with infrastructure and application teams to identify automation opportunities, design reusable solutions, and support adoption across the wider IT function. The position also provides operational support for core cloud infrastructure technologies and acts as a third-line escalation point where required.

Key Responsibilities

• Work with infrastructure and application teams to identify automation opportunities and prioritise initiatives.
• Provide effort and impact assessments to support automation roadmaps.
• Design and develop standardised CI/CD pipelines for infrastructure deployment.
• Act as a subject matter expert in infrastructure automation, mentoring colleagues and promoting best practice.
• Integrate tooling (eg, ServiceNow) for automated provisioning and service workflows.
• Design, develop, and deploy modular cloud-based systems.
• Maintain and optimise cloud solutions in line with security policies and best practices.
• Identify and remediate infrastructure vulnerabilities and deployment issues.
• Develop and document cloud standards, guardrails, and best practices.
• Ensure CMDB accuracy using automation wherever possible.
• Operationalise proof-of-concept solutions into production-ready platforms.
• Collaborate with Infrastructure, Application, and Security Architects during solution design.
• Engage with vendors to test and benchmark new technologies.
• Ensure business continuity and disaster recovery standards are Embedded in infrastructure design.
• Act as third-line escalation support for IT Operations.
• Maintain accurate documentation, time tracking, and change management compliance.
• Contribute to process improvement and foster strong working relationships across IT teams globally.

Qualifications

• Bachelor’s degree in a related field (or equivalent experience).
• Microsoft Azure certification preferred.

Experience & Technical Skills

Required:

• Minimum 5 years’ relevant experience.
• Proven experience developing automation solutions from ideation to deployment.
• CI/CD tooling experience.
• Strong Scripting and pipeline development capability.
• Terraform.
• Linux.
• Git version control.
• Automation across public cloud platforms.
• Strong understanding of Information Security best practices.

Preferred:

• GitHub and GitHub Actions.
• Microsoft Azure.
• PowerShell.
• Kubernetes.
• Python.
• Ansible.
• Visual Studio Code.
• Windows Server and Active Directory.
• ServiceNow integrations.
• Packer (server imaging).
• VMware, Cisco UCS, Dell EMC (private cloud infrastructure).
• Cisco ACI, F5, Palo Alto (private cloud networking).

Personal Attributes

• Strong written and verbal communication skills.
• Ability to work effectively in diverse, global teams.
• Resilient and able to work under pressure with shifting priorities.
• Self-starter with strong initiative.
• Detail-oriented with excellent organisational skills.
• Strong analytical and strategic problem-solving ability.
• Committed to continuous improvement and challenging the status quo.
• Comfortable handling sensitive information with discretion.

A fantastic opportunity for a Senior or Principal Machine Learning Engineer to join a fast-growing, health-tech company developing advanced machine learning and computer vision models used within clinical research and drug development. The business is building large-scale, production-grade ML systems applied to complex 3D imaging data.

This role is highly engineering-focused, sitting between machine learning, infrastructure and deployment. You will work closely with ML Scientists and engineering teams to ensure models can be trained and deployed reliably at scale.

Location: 1 day per week in London - Shepherd’s Bush (4 days remote)

Salary: £70,000 – £90,000 per annum, with flexibility for the right candidate, plus benefits

Requirements for Senior / Principal Machine Learning Engineer:

Strong relevant industry experience in machine learning engineering

Strong Python and PyTorch experience

Experience training machine learning models at scale

Experience building and maintaining model deployment and inference pipelines

Hands-on experience using Docker in production environments

Strong Linux and Git skills

Experience working in cloud environments (AWS, GCP or Azure all acceptable)

Experience working with CI pipelines

Proactive, self-sufficient and highly communicative working style

Strong English written and verbal communication skills

Educated to a minimum of Masters Level

Responsibilities:

Develop, train and deploy machine learning models into scalable production environments

Support and improve large-scale model training and inference pipelines

Collaborate closely with ML Scientists to productionise research models

Work with engineering teams to ensure robust, secure and efficient deployment

Contribute to code quality, documentation and best practices across the ML engineering function

What the role offers:

Work on impactful health-tech

Exposure to large-scale, real-world machine learning systems

A technically strong and collaborative engineering environment

Hybrid working with a remote-first approach

Clear cut career trajectory to becoming Head of Machine Learning

Applications:

If you would like to apply for this unique Machine Learning Engineering role, please send your CV via the relevant links.

We are committed to creating an inclusive and accessible recruitment process. If you require reasonable adjustments for your application or during the review process, please highlight this by separately emailing . If this email address has been removed by the job board, full contact details are readily available on our website.

Keywords: Senior Machine Learning Engineer / Principal Machine Learning Engineer / ML Engineer / Applied Machine Learning Engineer / Computer Vision Engineer / AI Engineer / Research Engineer / Python / PyTorch / Linux / Docker / Cloud ML / CI Pipelines / Model Deployment / Inference Pipelines

RedTech Recruitment Ltd focus on finding roles for Engineers and Scientists. Even if the above role is not of interest, please visit our website to see our other opportunities.
We are an equal opportunity employer and value diversity at RedTech. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status

Were looking for an experienced DevOps Engineer to join the Spider team. Youll work closely with our developers and wider team to support, improve, and maintain our platforms and deployment processes.

We deliver digital projects for a range of established brands and organisations, across both web and mobile. The role offers exposure to varied work, practical problem-solving, and a team that values clear communication and doing things properly.

Key responsibilities

• Manage and maintain cloud infrastructure across AWS (primary), with some client environments on Rackspace Cloud and Azure
• Build, improve, and maintain CI/CD pipelines in GitLab CI automated testing, staging deployments, environment management
• Maintain and extend Infrastructure as Code using Terraform
• Manage Docker-based development and deployment workflows, including Lando local development environments
• Administer Linux servers and Proxmox virtualisation infrastructure
• Support deployment pipelines for PHP/Drupal applications (composer builds, config sync, database updates, cache management)
• Implement and maintain monitoring, logging, and alerting across environments
• Scripting across Bash (sed/awk), Python, and Perl
• Collaborate with the development team to improve developer experience and environment parity between local, staging, and production

Salary and benefits

Spider Online offers a competitive salary, dependent on experience, alongside a strong reward package. This includes a quarterly performance-related bonus and participation in our Employee Ownership Trust (EOT), meaning employees share directly in the success of the business.

Additional benefits include a generous holiday allowance (including your birthday off), company pension, and a hybrid working model with two days per week in our Glasgow office and the remainder working from home.

About Spider Online

Based in Glasgow city centre, Spider Online is a digital agency working with clients across the transport, government, and HR sectors. We design and build websites, mobile applications, and APIs, and provide ongoing technical support, hosting, and platform administration.

Infrastructure & Operations
Hybrid - Haywards Heath, West Sussex
Generous Benefits + 15% Bonus

???Are you a proven IT leader ready to unite a skilled team of 7 (senior techs + entry-level engineers) in a dynamic data centre environment? Step up to lead software/application support, from VMs/bare metal to stakeholder-facing ops, driving DevOps evolution, breaking silos, and pushing boundaries beyond day-to-day delivery. Enjoy a competitive salary, 15% bonus, 22+ days holiday, pension, onsite gym, and hybrid working.

Key Responsibilities

• ???Lead, mentor, and unite your team - breaking silos, building collaboration, coaching skills, setting goals, and creating an engaging environment.
• Make decisions, empower members, support the Data Centre Manager, and drive proactive improvements (e.g., tool evolution like Zabbix/Grafana).
• Oversee third-line support, system/infrastructure development, platform stability, and translate stakeholder needs into agile solutions.

Key Skills & Requirements

• 3-5 years leading technical teams + 5+ years IT (extensive Linux admin across Debian/CentOS/RHEL flavours).
• Agile/DevOps experience; tools like Ansible, Puppet, Zabbix (FAI/Slurm ideal); ITIL Foundation.
• Strong stakeholder communication, problem-solving, and a broader data centre vision to lead effectively.
• Desirable: OpenStack, Kubernetes, CI/CD, Docker, scripting, cloud/virtualisation, hardware (storage/CPU/GPU).

If you’ve held any of these roles or used these technologies/skills, this role could be a great fit: Services Team Leader, Infrastructure Lead, DevOps Manager, Linux Ops Lead, Data Centre Supervisor; Linux (Debian/RHEL), Ansible, Puppet, Zabbix, Slurm, Agile, ITIL, DevOps tools.

Deerfoot Recruitment Solutions Ltd is a leading independent tech recruitment consultancy in the UK. For every CV sent to clients, we donate £1 to The Born Free Foundation. We are a Climate Action Workforce in partnership with Ecologi. If this role isn’t right for you, explore our referral reward program with payouts at interview and placement milestones. Visit our website for details. Deerfoot Recruitment Solutions Ltd is acting as an Employment Agency in relation to this vacancy.

We are building a team of Software Engineers for a consultancy supporting a company in Portsmouth.

Candidates will need active Security Clearance and to be a Sole British National

Roles will be offered outside IR35 on an initial 6-12 month contract. Anticipated that it will be a hybrid working pattern (minimum 3 days onsite)

Rates negotiable, circa £60-£70 ph Outside IR35.

The Tasks:

• Development of Software Design and UML Model for assigned tasks (candidate tasks below).
• Verification and Integration Testing of developed software
• Support to Test Events and Demonstrations

Candidate development tasks may include:
• Development of requirements, algorithms and implementation of autonomous UAV functions (e.g flight plans, low level flight)
• Integration Machine Learning models into existing UAV C2 system
• Integration of a UAV model into existing synthetic environment
• Bug fixes following verification and integration testing

Experience/Skills Required
• Experience developing SW for autonomous applications
• Experience integrating and developing Machine Learning models
• UI Design
• Algorithm development
• Requirements management in Enterprise Architect / DOORS / JIRA
• Model Based Sys Eng and SW Modelling in Enterprise Architect
• Source code management in GitLab
• Primarily C++, optionally C# (Visual Studio) & Python
• Mixture of OS environments (Real-time e.g. WindRiver, Green Hills, LynxOS, Linux, Windows)

C++ Software Engineer \* Surrey \* £50,000 – £55,000 \* Full-time | 5 days onsite \* Must be eligible to obtain SC clearance We’re representing a technical engineering organisation building specialist software that runs in controlled, performance-critical environments. They’re looking for a software engineer who writes solid, dependable code — and understands that engineering discipline is not optional. This isn’t consumer app development. It’s engineered software that integrates with complex systems and has to work reliably. The Work You’ll contribute across the lifecycle of advanced systems - from requirements through to deployment. Day to day: \* Designing and implementing software for real-time or near real-time applications \* Developing in C/C++ and/or Java \* Working within Linux environments \* Participating in structured code reviews \* Writing and executing meaningful unit tests \* Producing proper technical documentation \* Translating operational requirements into working software \* Supporting integration and formal acceptance activity \* Engaging with technical stakeholders when required Your code will not live in isolation. It will interact with hardware, networks and other subsystems. What You’ll Need \* Strong technical degree in engineering, computing, physics or similar \* Minimum 2.5 years’ experience developing production software \* C++ \* Linux exposure \* Desirable / NON ESSENTIAL: real-time systems, networking knowledge, low-level Linux interfacing, DSP exposure or GPU acceleration. UK nationals only. Must be eligible for SC clearance

Contract Software Engineer (DV Cleared) 6 Months (Initially) Romsey OR Gloucester for On-site Work €(Apply online only) per day (Inside IR35) iO Associates is proudly partnering an R&D client, specialising in developing cutting-edge technology for our National Security. We are looking for a Software Engineer who holds a current DV clearance to join the team on an Initial 6 month basis (with a high likelihood of extension). The role itself will involve designing, developing and optimising OpenCPI components and application for SIGINT and RF Systems. Along with the additional tasks below: Integrate OpenCPI solutions onto FPGA-based and embedded SDR platforms. Support system architecture, trade studies, and technical design decisions. Ensure robust, scalable and reusable OpenCPI-based implementations.Key Responsibilities Involve: Engineering & Development Develop OpenCPI workers and containers in C/C++ and HDL (VHDL/Verilog where required). Integrate DSP chains into FPGA and embedded Linux environments. Conduct trade-off analysis across performance, latency and resource utilisation. Support hardware/software integration in secure lab and customer environments.Knowledge, Skills & Experience: Demonstrable hands-on experience with OpenCPI framework. Strong C/C++ development in embedded or Linux environments. Understanding of digital signal processing (DSP) principles. Experience integrating FPGA-based platforms (e.g. Xilinx or Intel toolchains). Experience working within secure National Security or MOD environments. Ability to troubleshoot complex integration and performance issues. Experience working with SDR and RF signal processing systemsDue to the nature of the work, this is an on-site role. We can only consider contractors who have an active DV clearance for this position. If you're interested, please apply to the link for consideration

Location: Fareham Permanent – Full Time Flexi Working £60,000 - £75,000 Our client is seeking a Senior Software Engineer to develop advanced autonomy capabilities for unmanned marine and aerospace systems. This hands‑on role spans R&D, prototyping, and production‑level delivery, working on autonomy behaviours, mission frameworks, vessel guidance, obstacle avoidance, and modern AI‑driven techniques where appropriate. You’ll work closely with a multidisciplinary engineering team and take ownership of delivering reliable, mission‑critical software deployed on real autonomous platforms. Key Responsibilities Develop high‑level autonomous behaviours for unmanned vehicles. Design and optimise algorithms for path planning, obstacle avoidance and mission autonomy. Build robust autonomy software using C++, Python, ROS2, DDS, and Linux‑based systems. Integrate autonomy with perception, navigation, and hardware components. Test and validate software in simulation and real‑world environments. Balance R&D experimentation with production‑quality delivery. Take ownership of work packages, tracking progress and identifying risks. About You Essential: Strong hands‑on experience in C++ and Python. Solid understanding of autonomous systems (motion planning, state estimation, behaviour‑based control). Strong Linux skills including debugging and optimisation. Knowledge of real‑time systems, distributed computing and middleware. Experience delivering software in both R&D and production environments. Desirable: ROS/ROS2, DDS, sensor fusion, simulation tools (Gazebo, CARLA, Unreal), embedded/real‑time systems, Docker/Kubernetes, PX4/MAVLink, or experience in defence, aerospace or maritime autonomy. Benefits 25 days holiday Flexible working hours Private medical insurance Pension scheme Life assurance Health care cash plan Cycle to Work Professional membership reimbursement Free parking Interested? If you’re ready to apply your expertise to a dynamic engineering environment and contribute to innovative vessel design projects, we’d love to hear from you. Apply today to take the next step in your career. Marine Resources Recruitment Ltd acts as an employment agency for permanent and fixed term contract recruitment and as a recruitment business for the supply of contract workers. Please note that by applying for this job you accept our Terms of Use and Privacy Policy which can be found on our website

Location: Fareham Permanent – Full Time Flexi Working £70,000 - £90,000 Our client is seeking a Principal Software Engineer to lead the development of advanced autonomy capabilities for unmanned systems. This hands‑on, R&D‑driven position involves shaping how autonomous vehicles think, plan, and behave in real-world environments. You’ll work across mission frameworks, guidance, behaviours, obstacle avoidance, and AI‑enhanced autonomy, taking concepts from early experimentation through to reliable, production‑ready deployment. This role also provides technical leadership and mentorship within a multidisciplinary engineering team. Key Responsibilities: Lead the design and development of high‑level autonomous behaviours for unmanned vehicles. Design, implement and optimise algorithms for path planning, obstacle avoidance, and mission autonomy. Build robust autonomy software using C++, Python, ROS2, DDS, and Linux-based systems. Integrate autonomy with perception, navigation and hardware systems. Write clean, structured and well‑documented code. Test and validate autonomy software in simulation and real‑world environments. Provide technical leadership, mentoring and guidance to engineering and research staff. Balance exploratory R&D with dependable, production‑ready delivery.About You Essential: Strong hands‑on experience in C++ and Python, including architecture and algorithms. Strong understanding of autonomous systems (motion planning, state estimation, behaviour‑based control). Experienced in Linux debugging, optimisation and performance tuning. Knowledge of real‑time systems, distributed computing and middleware. Background delivering software in both R&D and production settings. Strong communication skills and a practical, problem‑solving mindset. Desirable: Experience in ROS/ROS2, DDS, Sensor fusion, Deep learning perception, Simulation tools (Gazebo, CARLA, Unreal), Embedded/real‑time systems, Cloud robotics, Docker/Kubernetes, PX4/MAVLink, Defence/aerospace/maritime autonomy. Benefits 25 days holiday Flexible working hours Private medical insurance Pension scheme Life assurance Health care cash plan Cycle to Work Professional membership reimbursement Free parkingInterested? If you’re ready to apply your expertise to a dynamic engineering environment and contribute to innovative vessel design projects, we’d love to hear from you. Apply today to take the next step in your career. Marine Resources Recruitment Ltd acts as an employment agency for permanent and fixed term contract recruitment and as a recruitment business for the supply of contract workers. Please note that by applying for this job you accept our Terms of Use and Privacy Policy which can be found on our website

Site Reliability Engineer Bristol, Hybrid (3 days onsite, 2 from home) Up to £95K & Great Benefits

Ready to take on high-impact engineering challenges that actually matter? Want to work on mission-critical systems used across the UK s most high-profile government organisations?

This is your chance to join TwinStream a team of elite engineers who built their careers cracking complex cross-domain problems, and then built a company to do it even better.

We re growing fast. Demand for our services is skyrocketing. And now we re looking for a Site Reliability Engineer who s ready to step into a role with real ownership, real influence, and real opportunities to innovate.

Why You ll Love This Role

As our new SRE, you ll be right at the heart of our evolving cloud and on-prem platforms. This isn t a keep the lights on job it s a role where you ll shape infrastructure strategy, partner closely with software and systems teams, and push performance, reliability, and automation to the next level.

You’ll help us evolve observability, enhance delivery pipelines, eliminate toil, drive reliability metrics, and make smart technical decisions that keep our systems robust as we scale.

If you love solving gnarly problems, improving how things work, and innovating at speed this is the role for you.

Key Responsibilities of the Site Reliability Engineer:

• Collaborating with Software Engineers to improve subsystem reliability and performance
• Partnering with System Administrators to automate toil and cut down alert noise
• Taking observability to the next level find issues before they hit the business
• Supporting development environments to boost speed and quality
• Researching & evaluating tools to guide key buy-vs-build decisions
• Deepening your expertise across multiple technical and business domains
• Expanding your knowledge of diverse tech stacks and platforms

What You Bring

• Modern configuration management tools (Ansible, Chef or similar)
• Terraform
• Docker containers & orchestration (Kubernetes, OpenShift, Docker Swarm)
• CI/CD tooling (Jenkins or similar)
• Monitoring/metrics stack (InfluxDB, Prometheus, Grafana)
• MQ messaging (RabbitMQ or other AMQP solutions)
• SQL & relational databases
• Linux administration & shell scripting
• Network security fundamentals
• Cloud hosting (ideally AWS: EC2, RDS, S3, Lambda)

Bonus points for:

• Experience with Java, Go, Python or similar
• Knowledge of cross-domain principles & tech
• Service management experience
• Hands-on observability implementation
• Proven ability to reduce downtime with smart reliability metrics

Why You ll Love Working at TwinStream

• Competitive salary, £65k - £95k DOE
• 8% employer pension contribution
• Private medical healthcare (including dental & optical for the whole family)
• Flexible working culture
• Learning & development owned by YOU
• Electric vehicle salary-sacrifice scheme
• 28 days holiday + bank holidays
• Regular team events, plus Christmas & summer parties
• Life assurance & cycle-to-work scheme

Security Clearance

You ll need to be eligible for SC and/or DV clearance. Any offer will be subject to successful security screening.

Ready to engineer impact?

Apply now and shape the future of secure, high-performance cross-domain systems.

Ultra PCS is a leader in providing solutions for aerospace and defence systems. We are seeking an experienced Software Engineer to join our team. We are searching for a dynamic highly skilled Software Engineer with a wide breadth of skills who is interested in applying those skills and furthering their development skillset on a variety of software projects.

As a Principle Software Engineer, you will be expected to produce C++ code to produce custom plugins for our EAK GVA platform. The successful applicant will have experience in distilling requirements from interactions with a customer, implementing verified robust C++ solutions in short timescales to demonstrate new capability, and authoring and performing verification and validation.

Key Responsibilities:

• Requirements definition, design, development, and verification for a variety of integrity levels, from safety critical to proof of concept.
• Coding to internel coding standards and ensuring high quality robust solutions.
• Conduct design and code reviews to maintain high-quality standards.
• Debugging in embedded environments.
• Develop Verification and Validation Strategies
• Perform verification exercises.

Required Skills and Experience:

• High proficiency in C++
• High proficiency in Embedded Linux
• Proficiency in Graphical Frameworks such as Vulkan, OpenGl, QT
• CI/CD workflow. Experience with Git, Containerised development environments, CI/CD
• Familiarity with debugging tools, hardware interfaces, and safety analysis techniques.

Personal Attributes:

• Strong organizational skills with the ability to collaborate in a wider team.
• Excellent communication skills, capable of effectively liaising with technical and non-technical stakeholders.

Are you looking for an opportunity to shape the future of software quality in a forward-thinking company?

Are you experienced within C/C++ and Java?

If YES, you could be the Software Engineer we are looking for!

What are the benefits of a Software Engineer?

• Competitive salary
• Based in Kettering, Northants, this role offers a hybrid working option
• Career development opportunities
• Become a member of an Employee-owned trus
• Cycle to work scheme
• Option to buy additional leave
• Option to join Private medical insurance

What are your key responsibilities?

• Develop and maintain software applications that control our automated warehouse systems, ensuring high performance, scalability, and reliability.
• Collaborate with project managers, engineers, and clients to deliver tailored software solutions based on project specifications.
• Work on system integration and ensure that software interfaces smoothly with hardware and control systems.
• Conduct testing, troubleshooting, and debugging to optimise software performance and resolve issues.

What we are looking for?

• Degree in Computer Science, Software Engineering, or a related field.
• Experience in C/C++ and Java
• Competent in Linux (Unix) based operating systems and able to write shell scripts
• Experience with warehouse management systems (WMS) or automation systems is a bonus.

Apply now to start your next chapter!

Oracle Database Specialist

Manchester / Leeds - hybrid

6 months - likely to be extended

600 - 700 per day inside IR35 - umbrella only

Hold active SC clearance - eligible candidates will be considered

The Oracle Database Administrator plays a critical role in ensuring the stability, performance, and integrity of our core data platforms. Operating independently, the DBA safeguards the operational continuity of key systems by maintaining resilient databases, optimising performance, and resolving complex issues that directly impact service availability. This role underpins smooth project delivery by providing expert guidance across development, QA, and infrastructure teams, ensuring that databases remain secure, performant, and fit for purpose throughout ongoing change. Their expertise enables the wider organisation to implement functional solutions with confidence, supported by robust data foundations that meet stringent operational and regulatory requirements.

What you’ll be doing - your accountabilities

• Delivers stable, secure, and high-performing Oracle database environments that underpin critical services and ensure positive operational outcomes.
• Leads collaboration with development, QA, and operational teams to understand technical requirements, diagnose database-related issues, and shape effective data solutions.
• Implements clear, robust recommendations and technical documentation, including backup strategies, performance improvement actions, and configuration standards, while identifying risks, gaps, and dependencies.
• Designs and optimises repeatable database patterns, ensuring scalability, resilience, and compliance across production and non-production environments.
• Enables teams to fully leverage database capabilities, providing expert guidance on performance behaviour, schema design impacts, and data lifecycle considerations.
• Strengthens engineering practices by contributing to shared DBA methods, knowledge bases, and operational runbooks, improving organisational efficiency and repeatability.
• Ensures alignment with enterprise security policies, audit requirements, and architectural guardrails, maintaining database configurations that satisfy regulatory and compliance obligations.
• Provides authoritative expertise on Oracle technologies, informing senior leadership on risks, opportunities, and long-term considerations related to the database estate.
• Supports delivery of complex change initiatives, including platform upgrades, patching cycles, performance remediation programmes, and strategic migrations.
• Champions continuous improvement, staying current with Oracle capabilities, performance tuning techniques, and emerging best practices-and applying these to enhance stability and reliability.
• Mentors and supports colleagues across Dev, QA, and ASG, acting as the go-to technical expert for database performance, resilience, recovery processes, and incident resolution.

Skills

• Extensive hands-on experience administering Oracle Database 12c in high-availability, mission-critical environments.
• Proven track record of diagnosing and resolving complex database performance issues, including SQL tuning, AWR/ASH analysis, and optimisation of high-volume transactional workloads.
• Demonstrable experience managing RMAN backup and recovery strategies, including real-world restore scenarios and resilience testing.
• Background in patching, upgrading, and hardening Oracle estates, ensuring security compliance and minimal service disruption.
• Experience supporting development and QA teams, including reviewing schema changes, analysing data behaviours, and advising on query patterns.
• Strong operational experience on Linux platforms, particularly in areas affecting DB performance such as I/O, filesystem layout, and kernel tuning.
• Hands-on experience troubleshooting live service issues, including production incident support, root cause analysis, and stabilisation activities.
• Experience working within regulated or audited environments, with a solid understanding of data protection, access control, and evidential accuracy.
• Familiarity with multi-environment estate management (DEV/TEST/UAT/STAGE/PROD), including promotion workflows and change governance.
• Experience contributing to runbooks, standards, and operational documentation to support repeatable and reliable database operations.
• Comfortable working independently as a subject-matter expert, often being the primary point of escalation for database-related issues.

IT Support Engineer (2nd/3rd Line) - Central London Hybrid - Circa 45K plus Bonus

Lorien’s client, a fast-growing, global-reaching SAAS company with a great name in their domain, are currently looking to hire an IT Support Engineer for their London office to play a key role in their expanding and evolving technical function.

This would be a brilliant fit for someone with proven 2nd and 3rd Line Support skills and a strong grasp of Windows offerings, looking to move into a growing firm with great projects in the pipeline, a range of incentives (including bonuses, flexible working, private healthcare, recognition rewards, professional development and ongoing upskilling avenues), and friendly people to work with and alongside (ask us, we’ve placed a lot of them ourselves!).

Key Responsibilities:

• Take the reins across 2nd and 3rd Line support; tackling internal support requests across infrastructure, systems and services, prioritising or escalating tickets as appropriate
• Contributing to relevant projects and making sure internal offerings are up to task
• Helping to improve the wider function and bringing new ideas to the table where it comes to new tech, business processes, methodologies, workflows, and so on

What they’re looking for you to bring to the table:

• Proven track record in the IT Support domain, supporting internal users of all levels of seniority both onsite and remotely
• Strong technical working knowledge of Microsoft tooling such as Windows Server and Active Directory / Entra ID
• Strong grasp of M365 and Azure Admin
• Device Management and Virtualisation skills using tools like InTune and Hyper-V / VMWare
• PowerShell scripting skills
• Some basic Networking knowledge
• Grasp of relevant methodologies/processes/ways of working such as ITIL/Change Management/etc.
• Ideally but not necessarily any knowledge of IaC offerings and/or Linux

If you’re looking to join a great firm with expansion on the horizon, offering a host of benefits with staff at the centre such as flexible working, annual and spot bonuses as well as other recognition rewards, private healthcare, ongoing progression and upskilling, and more, apply now with your latest CV for immediate consideration!

Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy.

C++ Software Engineer

• Surrey
• £50,000 - £55,000
• Full-time 5 days onsite
• Must be eligible to obtain SC clearance

We’re representing a technical engineering organisation building specialist software that runs in controlled, performance-critical environments.

This isn’t consumer app development. It’s engineered software that integrates with complex systems and has to work reliably.

We are looking for a software engineer who writes solid, dependable code and understands that engineering discipline is not optional.

The Work

You’ll contribute across the lifecycle of advanced systems - from requirements through to deployment.

Day to day:

• Designing and implementing software for real-time or near real-time applications
• Developing in C/C++ and/or Java
• Working within Linux environments
• Participating in structured code reviews
• Writing and executing meaningful unit tests
• Producing proper technical documentation
• Translating operational requirements into working software
• Supporting integration and formal acceptance activity
• Engaging with technical stakeholders when required

Your code will not live in isolation. It will interact with hardware, networks and other subsystems.

What You’ll Need

• Strong technical degree in engineering, computing, physics or similar
• Minimum 2.5 years’ experience developing production software
• C++
• Linux exposure

Desirable / NON ESSENTIAL: real-time systems, networking knowledge, low-level Linux interfacing, DSP exposure or GPU acceleration.

UK nationals only. Must be eligible for SC clearance.

Embedded Software Engineer - £45k - £65k - Worcester Hexwired Recruitment has recently partnered with a highly successful solutions provider based in Worcester now seeking an Embedded Software engineer to help develop a brand new product the company is looking to bring to the market. The company are expanding due to increased interest in their products and are now seeking a talented Embedded Software engineer ideally with experience working on Embedded Linux, ideally working at the kernel level and Userspace Linux. This is a mosrlt onsite Embedded Software role, due to the nature of the work. You will be required to get security clearance. Key Skills \* Degree in Embedded Systems, Electronics or similar \* 3+ years commercial Embedded software development experience \* Good commercial Embedded Linux experience (Linux Kernel or Userspace Linux considered) \* Experience working to CI/CD processes \* Experience working on algorithm design using Matlab/Simulink or C++ is advantageous but not essential \* Any experience or interest in Wireless comms is highly desirable \* Ability to gain security clearance. The company are looking to offer circa £65k dependent on experience along with excellent benefits. If you’re interested in this Embedded Software role, please apply. For more information on this role, or any other jobs across; Embedded, C++ programming, Embedded Linux, Golang Development, Machine Learning, Data Science or Simulation contact us today