Our Principal Data Scientist & Machine Learning Researcher sits within the Strategic Research Group (SRG). The SRG are a team of Data Science, Machine Learning and AI specialists who develop novel AI solutions to mission focused problems. In this role you will work with high levels of autonomy and be responsible for the design, planning and technical leadership of multiple AI/ML projects. You will help lead and set technical and strategic direction for the group, support with customer and stakeholder engagement and deliver technical solutions on internal and external projects.

At Raytheon UK, we take immense pride in being a leader in defence and aerospace technology. As an employer, we are dedicated to fuelling innovation, nurturing talent, and fostering a culture of excellence. Joining our team means being part of an organisation that shapes the future of national security whilst investing in your growth and personal development.

Hybrid role: 3 days a week at our site(s) or customer site min

Must be eligible and willing to gain SC & eDV clearance

Responsibilities

• Support the Head of Data Science & Machine Learning using your experience to contribute to the group strategy and stakeholder engagement.
• Bring ideas for novel research that will drive competitive advantage in across our customer community.
• Work with autonomy to develop complex, novel data science solutions.
• Support in triaging and responding to opportunities, aligning to the group and wider business strategies.
• Design and deliver data-centric solutions while working collaboratively across disciplines.
• Technical delivery of research and applied AI/ML tasks on both customer and internal research projects.
• Provide technical leadership across multiple projects.
• Manage more junior team members across the SRG.
• Deliver AI/ML/Data Science solutions to broad range of problems in defence.
• Work with customers and internal stakeholders to determine appropriate technical approaches and do the technical development required for delivery.
• Prepared to present and undertake practical demonstrations of work internally in the team, to senior stakeholders and at conferences with adaptability to audiences of different levels of technical expertise.

Required Skills & Experience

• Strong experience of delivering novel ML solutions to customers and internal stakeholders
• Excellent coding practice using Python and associated ML packages (HuggingFace, TensorFlow, PyTorch), following best practices
• Experience developing robust ML pipelines with MLOps tools for model training, monitoring and deployment
• Experience of appropriate version control and environment management (such as venvs or Docker)
• Experience of writing technical project proposals
• Experience of managing teams either line management or technically
• Expert knowledge of AI/ML algorithms for different data types and tasks including Generative AI, NLP and computer vision, sufficient to be able to propose research 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
• Ability to work with high levels of autonomy, with awareness of appropriate business policies and strategy to dictate your actions

Desirable Skills & Experience

• Experience of deploying AI models in a scalable way for external users.
• Experience developing supporting systems for AI deployments (e.g. backend databases, front end UIs)
• Working knowledge of Linux systems, using basic commandline functionality (e.g. AWS CLI, Docker CLI, Linux commands like ssh, ls, cd)
• Experience working in Cloud services

Benefits

• 25 days holiday + statutory public holidays, plus opportunity to buy and sell up to 5 days
• Contributory Pension Scheme (up to 10.5% company contribution)
• Company bonus scheme (discretionary)
• 6 times salary Life Assurance
• Flexible Benefits scheme with extensive salary sacrifice schemes, including Health Cashplan, Dental, and Cycle to Work
• Enhanced sick pay
• Enhanced family friendly policies including enhanced maternity, paternity & shared parental leave
• Private Medical Insurance (dependant on grade)

Work Culture

• 37hr working week, with an early 1.30pm finish Friday
• Flexible working culture that is output, not time spent at desk, focused. More formal flexible working arrangements can also be requested.
• Up to 5 paid days volunteering each year

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.

Supporting over 35,000 jobs across 13 UK sites, RTX is helping to drive prosperity. Each year our work contributes over £2.7bn to the UK economy and offers a wealth of opportunities to 4,000 suppliers across England, Scotland, Wales and Northern Ireland. We’re investing in all corners of the country, supporting 29,040 jobs in England, 3,040 in Northern Ireland, 1,900 in Scotland and 1,600 in Wales.

Algorithm Design Engineer – £55k - £75k – Leamington Spa

Hexwired Recruitment has partnered with a rapidly expanding Electronics Manufacturer with offices near Leamington Spa who are now seeking an Algorithm Design Engineer with solid experience building algorithms using OOP for multi sensor applications.

The company are developing a range of revolutionary products, with novel and unique applications that are being used globally in a range of industries. This Algorithm design role is an essential part of the companies R&D development and you will be heavily involved in the development of the companies current and future products.

Key Requirements:

* Degree or Masters in Maths, Physics CS or similar field

* Strong hands on OOP experience (C++ or C# preferred) ideally for High Maths and algorithm design work.

* Experience working on 3D and Graphic applications is highly desired (vectorisation, 3D graphic applications etc.)

The company are looking to offer a competitive salary dependent on experience along with an excellent benefits package. The company are also offering flexible working and the chance to get in on a huge greenfield project from the beginning. If you’re interested in this Algorithm Design role, please apply.

For more information on this role, or any other jobs across; Embedded, C++ programming, Embedded Linux, Javascript, Python, Electronics, FPGA, Golang Development, Machine Learning, Data Science or Simulation contact us today

Application Developer - Hybrid

Must have an Active SC Clearance

An opportunity is available for an experienced Application Developer to join a large scale, long running delivery programme supporting critical business applications. The Application Developer will work within a mature enterprise environment that integrates software and infrastructure across a large data centre and thousands of end points. This is a senior Application Developer role requiring strong Java expertise, design capability, and confidence working independently.

The Role of Application Developer

• As an Application Developer, you will design, develop, test, and support Java based business applications.
• You will provide fourth line application support, including root cause analysis of live incidents and defects.
• You will assess and implement changes raised through formal change proposals.
• You will maintain and review HLD, LLD, and component test documentation.
• You will carry out code reviews and mentor other developers, including offshore teams.
• You will support test, pilot, migration, and rollout activities across ongoing projects.

Skills and Experience for Application Developer

• Three to four years minimum Java development experience.
• Strong experience with Maven, XML, SQL, and Java IDEs such as Eclipse.
• Experience with version control systems such as Subversion.
• Ability to work on large and complex code bases.
• Strong communication skills with technical and non technical stakeholders.
• Experience with Linux, Scripting, Atlassian tools, or modelling tools is beneficial.

This Application Developer role offers long term stability, technical depth, and real impact in a secure environment.

To apply, please send your CV by pressing the apply button.

Workplace Integration Engineer

Must have an Active DV Clearance

An opportunity is available for an experienced Workplace Integration Engineer to join a dynamic Integration Practice delivering secure solutions within complex environments. This Workplace Integration Engineer role sits within a multi skilled Agile team and focuses on the end to end delivery of integrated workplace and infrastructure components across varied technology estates.

About the Role - Workplace Integration Engineer

• As a Workplace Integration Engineer, you will own delivery of defined work packages from design through prototyping, user piloting, and production support.
• You will work closely with Network Architects and Project Managers to configure, test, and document solutions from multiple vendors.
• You will automate deployments across Linux environments using Ansible and Terraform.
• You will script repeatable unit tests and support early life operations following go live.
• You will maintain and update technical documentation, ensuring long term supportability.
• You will manage ongoing changes in response to evolving user requirements.

Key Skills - Workplace Integration Engineer

• Strong experience with RHEL and CentOS, including automation via Ansible and Terraform.
• Advanced knowledge of Microsoft Windows enterprise administration, including GPO, Registry, PowerShell, and patching mechanisms.
• Solid Scripting capability with batch, PowerShell, or Python.
• Experience working within DevOps delivery environments.
• Understanding of networking fundamentals and IP packet structures.

Desirable Experience - Workplace Integration Engineer

• Active Directory, PKI, VMware virtualisation, and Windows Server environments.
• System hardening and gold build creation.
• Automated test execution using Robot framework.
• Agile delivery methodologies.

This role suits a technically strong Workplace Integration Engineer who takes ownership, solves problems, and delivers secure solutions at pace.

To apply, please send your CV by pressing the apply button

IT SYSTEMS ENGINEER - Linux, Servers, Azure DevOps
Bristol - Hybrid 3 days per week onsite
ARCA Resourcing is excited to be recruiting for an IT Systems Engineer on behalf of an innovative and rapidly growing engineering company that is revolutionising the automotive and motorsport simulator industry. With cutting-edge technology and a commitment to excellence, our client delivers state-of-the-art motion simulation solutions to high-profile customers in motorsport and vehicle development.
IT Systems Engineer
Our client is seeking an experienced and motivated IT Systems Engineer to support the development, deployment and monitoring of advanced motion generation technology used by industry-leading customers worldwide. This is a highly collaborative role, working across engineering, software, and production teams to build robust IT systems while enhancing security, reliability and pace of development.
This position offers the opportunity to work at the forefront of real-time simulation technology in a fast-moving, innovation-driven environment.
Key Responsibilities:
* Specify, source and manage specialist IT hardware for applications including:
* Real-time simulation hardware
* Image generator graphics PCs
* Edge computing hardware
* Compute resources
* Servers
* Improve quality and reliability across existing specialist IT systems, including:
* Pipeline build agents
* Hardware-in-the-loop testing systems
* Simulation compute resources
* Manage network configurations to ensure secure and reliable performance of:
* Image generator graphics PCs
* Database and deployment services
* Package repositories
* Collaborate with IT suppliers to design and implement secure IT systems across multiple sites
* Support and integrate modern software platforms to enable fast and robust software development and deployment
* Manage software licensing
* Work directly with customers to integrate motion generation systems and associated IT hardware safely and efficiently on site
Essential Skills & Experience:
* Strong sense of ownership and enthusiasm for delivering high-quality systems
* Proven experience managing IT infrastructure in complex technical environments
* Solid understanding of network security and edge device management
* Linux
* Servers
* Azure DevOps
* Experience with Microsoft services including Office 365, Azure Portal and Azure Active Directory
* Experience with continuous integration and deployment platforms
Desirable:
* GitLab, Bitbucket
* Jira and confluence
* Docker
This is an excellent opportunity for an IT professional who thrives in technically demanding environments and enjoys working at the intersection of hardware, software and advanced engineering systems.
To apply, please click the link for immediate consideration

Permanent
Location: Harrogate / Hybrid
Salary: £60,000 - £80,000 (+ benefits)

Skills: Linux, Python / Perl scripting, UKIC DV Clearance

We are looking to recruit a Linux Systems Engineer for a global organisation. Working in my client’s Operations & Maintenance Team you will be responsible for support critical systems within a highly secure, technology-driven environment.

You’ll play a key part in monitoring, maintaining and optimising complex systems that support national-level programmes.

This is a hybrid role with based out of Harrogate with flexible working options available.

Due to the nature of the role valid UKIC DV is required.

Key Responsibilities:

• Monitor system and subsystem performance and produce status reports
• Investigate and respond to anomalous system behaviour
• Implement system performance improvements (scripting, SOP updates)
• Support system reconfiguration and special operations activities
• Maintain equipment health to ensure high mission readiness
• Contribute to operational documentation and redundancy planning
• Participate in ongoing technical training and development

What We’re Looking For:

• Degree in a STEM discipline (or equivalent experience)
• Experience in operations, systems or software engineering
• Linux experience and scripting (Python and/or Perl)
• Strong problem-solving skills in complex environments
• Experience with tools such as JIRA and Confluence

Desirable: Flask, Jupyter Notebooks.

Site Reliability Engineer (SRE) - Defence / National Security

Location: Farnborough

Salary: £75k

Full - Time (3 days a week onsite)

We are looking for an experienced Site Reliability Engineer to join a team working in defence and national security environments. This is a hands-on role focused on building secure, automated, and highly reliable platforms, combining engineering, design, and DevOps principles.

You’ll work closely with platform engineers, infrastructure teams, operational stakeholders, and project managers to take requirements from early design and proof-of-concept through to production. This role is ideal for someone curious, detail-oriented, and comfortable in complex, regulated environments, with a passion for automation, resilience, and secure-by-design infrastructure.

The Role:

Designing, delivering, upgrading, and maintaining core platforms, services, and automations

Building and improving monitoring, alerting, and observability platforms

Designing secure infrastructure using automation-first approaches

Creating and productionising proofs of concept for new tools and technologies

Diagnosing and resolving performance, reliability, and availability issues

Supporting architecture, documentation, and non-functional requirements

Mentoring engineers and helping improve DevOps and SRE practices

Essential experience:

Strong experience with Linux (Ubuntu) and Windows Server

Good knowledge of Linux administration

Skilled in scripting: Bash, Python, PowerShell, or similar

Experienced with DevOps/automation tools: Ansible, Terraform, CI/CD, Git

Familiar with cloud platforms, especially Azure

Knowledge of configuration management (e.g., DSC)

Excellent problem-solving skills

Willingness to learn new technologies

Able to handle multiple projects in a fast-paced environment

Desirable experience:

Strong problem-solving and analytical skills

Experience with Infrastructure as Code (IaC) - Terraform, ARM templates

Knowledge of security best practices

Configuration as Code: DSC, Ansible, or similar

Linux (Ubuntu, RHEL/CentOS) and Windows Server administration

Containerisation & orchestration: Docker, Kubernetes

Version control and configuration management: Git/GitLab

Project and issue tracking tools: JIRA or similar

Cloud platforms: Azure / Azure Stack Hub

Monitoring and alerting: Nagios, Splunk, or similar

Strong communication and documentation skills

Experience with large-scale system deployment

Advocate for DevOps and Agile practices

Able to work closely with teams and customers

Benefits:

A collaborative, inclusive culture with strong benefits including competitive pay, bonus, pension, private healthcare, generous leave, professional development, wellbeing perks, and modern on-site facilities

UK Security Clearance

Due to the secure nature of the position and working environment, you must be a UK sole national and either have, or be eligible to obtain Security Clearance .

To apply or find out more information on the role please send your CV

TPBN1_UKTJ

Evodia Limited are proud to support our client with an exciting opportunity for an Infrastructure Automation Engineer , SC cleared, to work on critical defence infrastructure. If you have a strong background in developing automation components and enjoy tackling complex technical challenges, this role could be an excellent fit for you. This position is based in Corsham, Wiltshire, or Portsmouth, Hampshire, with the flexibility of hybrid working2 to 3 days onsite per week. Youll have the chance to contribute to the design, development, and validation of automation components supporting the NSoIT(D) Platform, playing a vital role in ensuring the resilience and efficiency of defence infrastructure.

About the role: Youll be part of a dedicated technical team, creating zero touch automation solutions using Python3, Ansible, and Bash. The aim is to automate hardware features, services, configurations, and integrations with external APIs, often working with legacy systems resistant to automation. Your work will involve developing robust, production-quality code following industry best practices, with an emphasis on collaborative peer reviews and version control using GIT and BitBucket. Your responsibilities will include producing comprehensive design artefacts, supporting system testing activities, and working closely with Service Management to resolve issuesensuring reliable and repeatable deployment processes across diverse infrastructure environments.

What we’re looking for: You should have a minimum of 12 months hands-on experience in:

Creating complex Python3 automation classes for production systems

Using configuration management tools such as Ansible or Puppet

Scripting with Bash for deployment and automation tasks

Automated deployment of server, network, and storage technology across multiple vendors

Supporting large infrastructure environments

Troubleshooting hardware or software failures

Working within Agile teams

Advanced Python3 and PowerShell scripting, including workflows and desired configuration states

You must also hold a valid SC security clearance and demonstrate strong communication, analytical, and problem-solving skills.

Professional certifications aligned with networking, virtualisation, Linux, or software development obtained within the last five years are highly desirable.

Contract specifics: Duration: 2 years, with a Target Start Date of 01/04/2026

Inside IR35, with negotiableday rates

This is a chance to contribute to vital defence projects within a supportive and professional environment. If you meet these criteria and are ready to bring your expertise to a dynamic team delivering secure solutions, wed love to hear from you. Evodia Limited are acting as an employment business for this vacancy.

TPBN1_UKTJ

Location: Peterlee
Department: Tech Ops & Architecture
Salary: £39,400.00-£63,000.00 DOE
Hours: 37.5
Contract Type: Permanent

About Us

At Everflow, were redefining the utility industry. We’re an award-winning, fast-growing company, delivering exceptional and environmentally friendly water and waste services to businesses across the UK. Our mission is to simplify utilities, saving our customers time, money, and energy so they can focus on what matters most: achieving their business goals.

Everflow isnt like other companies. Sure, we have perks like free coffee, break rooms, and ping pong tables, but what truly sets us apart is our values. We encourage our people to be their authentic selves and embrace the freedom to innovate. At Everflow, its not just about delivering exceptional results for our customers; its about cultivating a fulfilling, balanced work environment where great things happen.

The Role

Were on the lookout for a DevOps Engineer to become an integral part of our Platform Engineering Team. Youll join us at a pivotal moment as we take Evie beyond MVP. Youll be part of a forward-thinking engineering team with strong centres of excellence, high coding standards, and great team ethics, helping scale a tech-led business that makes life simpler for our customers.

Candidates should expect a technical exercise as part of the selection process which will help us understand thinking. The role is Hybrid where you will be expected to come into our office in Peterlee

What You Will Be Doing

Reporting to one of our Engineering leads, you will be hands-on and keen to learn. You will be working alongside colleagues in our multi-disciplined team to:

• Collaborate on the design of secure, scalable, and highly available, cost optimised, cloud infrastructure.
• Implement technologies within our environments using Infrastructure-as-Code
• Monitor & manage our systems for availability
• Support the team in the application of Agile through Scrum and Kanban, adopting the usual rituals and the use of our end-to-end processes.

What we are looking for

We are looking for a team player and self-starter, someone that is prepared to contribute and help enrich how we do things. You will join a team where continual improvement through ideas and a can-do approach is highly valued.

To be considered as the successful candidate, you will need to be able to possess and demonstrate the following capabilities:

• Developing and deploying via Infrastructure-as-Code. You will need to be proficient in the use of Terra form, YAML and ARM templates and be ready to develop your skillset.
• Creation, monitoring and management of cloud artifacts in the Microsoft Azure Cloud, using the Cloud Adoption Framework(CAF)via Azure DevOps.
• Ability to build and manage services deployed into Kubernetes, the role of container configuration and the management of Helm charts.

Your application will be additionally attractive if you can demonstrate experience with:

• Using AI to enhance productivity, such as code building and coding assistance
• Cost optimization of deployable resources following Fin Ops practices
• Understanding of code written in C#.Net
• Understanding of scripting tools such as Powershell, Bash, Python, Bicep
• Understanding of Linux operating systems(Ubuntu)
• An understanding of observ ability platforms.
• Business Continuity Principles

Benefits

• Salary Reviews: Benefit from annual salary reviews.
• Pension: Enjoy a secure financial future with up to 7% employer pension contribution.
• Career Development: Continuous support, personalised development, and top-notch training to fuel your professional journey.
• Bonuses: Opportunity to earn extra with quarterly awards and annual bonuses.
• Recognition: An amazing reward and recognition system that allows you to redeem gift cards for being recognised.
• Annual Leave: Recharge with a generous annual leave of 25 days plus bank holidays.
• Buy or Sell Holidays: Flexibility to buy or sell up to 5 days of annual leave.
• Celebration Day: Enjoy an extra day of annual leave to celebrate a day that is special to you.
• Life Insurance: Enjoy comprehensive life insurance covering you up to 3x your salary.
• Enhanced Parental Leave: Benefit from up to 26 weeks of paid maternity leave or 4 weeks of paid paternity leave.
• Health & Wellbeing: Access well-being perks, including a health care cash plan allowing you to claim up to £70 cashback for dental, optical & physio.
• Office Facilities: Take advantage of our free onsite gym, 20% café discount, pool table, ping pong table, and arcade machine.
• Hybrid Working: Embrace the flexibility of working at home 3 days per week once you’ve conquered the probationary period.
• Free Breakfast: Enjoy fruit, breakfast, tea, and coffee served daily, as well as our monthly breakfast buffet.
• Social Events: Look forward to a vibrant social calendar, including summer & Christmas parties, as well as regular team social events.
• Friday Drinks: Wind down on Fridays with afternoon drinks, a perfect segue into the weekend.
• Free Parking: Simple, convenient.
• Electric Car Scheme: Dive into the future with our electric car schemebecause we’re driving towards sustainability.
• Cycle to Work Scheme: Utilise our salary sacrifice scheme to promote health, save money and reduce emissions in your daily commute.

REF-226803

Job Title: Senior Cloud Security Engineer (GCP & Wiz)

Location: Knutsford, Cheshire (Hybrid: 3 days in office / 2 days remote)
Duration: Long-term contract (Until July 2026)
Rate: 550 per day
IR35 Status: Inside IR35

The Opportunity
We are looking for a highly skilled Cloud Security Engineer to join a global digital transformation leader, embedded within a Tier 1 Global Investment Bank.This role offers the chance to secure large-scale cloud environments for a world-renowned financial institution.

The Role
As an experienced Cloud Engineer with a security-first mindset, you will bridge the gap between DevOps and Cyber Security. You will be responsible for enhancing cloud infrastructure, automating escalations, and ensuring all architecture aligns with the latest security and software lifecycle patterns.

Key Responsibilities:

• Design & Delivery: Translate High-Level Designs (HLD) and Low-Level Designs (LLD) into actionable, secure cloud designs.
• Security Automation: Drive enhancements in cloud security tooling, specifically focusing on Wiz (Wiz Cloud / Wiz Defend).
• CI/CD & DevSecOps: Integrate security controls into CI/CD pipelines and apply automation to solve real-world problems for dynamic business units.
• Infrastructure as Code: Automate GCP infrastructure using Terraform or Deployment Manager.
• Stakeholder Management: Support internal business units in adopting modern cloud-native architectures and best-in-class security protocols.

Core Requirements:

• Cloud Platform Expertise: Strong experience with Google Cloud Platform (GCP) is highly desirable, though AWS/Azure experts with professional certifications will be considered.
• Security Tooling: Proven experience with Wiz (Cloud/Defend) and familiarity with SIEM tools and security controls.
• Containerisation: Expert knowledge of Docker and Kubernetes (GKE).
• Automation & Scripting: Proficiency in Python, PowerShell, or Bash, with experience using automation tools like Chef.
• DevOps: Expert understanding of CI/CD pipelines (Cloud Build, Artifact Registry, etc.).
• Networking: Knowledge of GCP Networking (VPC, Firewalls, Cloud Load Balancing).
• Preferred Experience
• Previous experience working within the Financial Services or highly regulated sectors.
• Relevant certifications (e.g., Google Professional Cloud Security Engineer, CISSP, or equivalent Azure/AWS security certs).
• Experience with Red Hat Linux and Windows OS in an operational environment.

Working Pattern
This role follows a 60% office-based / 40% remote hybrid model. You must be able to commute to Knutsford at least 3 days per week to collaborate with the engineering and security teams.

Whiteley (Hybrid) – SC Required – Initial 6 month contract (Inside IR35) About the Opportunity We are recruiting on behalf of a technology organisation that specialises in the research, design, and development of advanced wireless and critical RF communication systems used in mission-critical environments including defence, uncrewed and autonomous systems, government, and broadcast. They are seeking an Embedded Software Engineer to join their team working on a varied pipeline of technically challenging projects. The successful candidate will develop software for sophisticated communication products that deliver secure, reliable, long-range data transmission, collaborating closely with hardware, RF, and systems engineers and contributing across the full product lifecycle. Key Responsibilities * Design, develop, and maintain embedded software for advanced wireless communication products. * Program primarily in C++ for embedded applications. * Develop lower-level functionality in C, including Linux kernel and device driver work where required. * Collaborate with multidisciplinary teams including hardware, RF, and systems engineers. * Support integration, testing, and debugging on real hardware platforms. * Contribute to the full product lifecycle, from concept through to deployment. * Participate in continuous improvement and innovation across new and existing technologies. Skills and Experience Essential: * Strong experience in embedded software development using C++. * Solid understanding of embedded systems and real-time considerations. * Experience working in Linux-based environments. * Ability to debug complex issues across software and hardware interfaces. * A practical, problem-solving mindset with a willingness to engage hands-on with hardware. Desirable * Digital Signal Processing (DSP) experience. * Experience with VHDL or FPGA development. * Familiarity with Linux kernel development and device drivers. * Knowledge of RF or communications systems

Infrastructure lead/Infrastructure Architect/Devops Lead.

This role is suited to a hands-on Infrastructure Team Lead ready to take ownership of core infrastructure platforms while operating within a DevOps model. The position is responsible for maintaining a stable, secure, and high-performing environment, ensuring projects are delivered on time and appropriately resourced.

The successful candidate will be a strong communicator and collaborator with a pragmatic, solutions-focused mindset. Experience working in Agile environments and strong Scripting knowledge are essential.

Key Responsibilities

• Lead and develop a high-performing engineering team.
• Oversee Linux (Red Hat), VMware vSphere, enterprise storage, and Kubernetes platforms.
• Manage hybrid infrastructure across cloud (Azure) and on-prem environments.
• Drive automation and orchestration using tools such as PowerShell, Ansible, Git, and Terraform.
• Ensure network reliability across Firewalls, routing, switching, and WAN/LAN environments.
• Contribute to technical strategy, risk management, and architectural planning.
• Communicate effectively with stakeholders and support evolving business priorities.

Key Skills & Experience

• Advanced administration of Red Hat Linux and VMware vSphere.
• Strong experience with enterprise storage and Kubernetes.
• Hybrid cloud expertise (Azure + on-prem).
• Proficiency in Scripting and DevOps practices (CI/CD, automation).
• Solid networking fundamentals.
• Experience leading technical teams.
• Knowledge of Windows Server technologies and disaster recovery practices.
• Ability to manage change and translate complex technical concepts clearly.

If you’d like, I can also create a more executive-level summary version or a sharper, more compelling advert-style version.

By applying to this job you are sending us your CV, which may contain personal information. Please refer to our Privacy Notice to understand how we process this information. In

We re seeking a UK-based Senior Full Stack Engineer to take technical ownership across our sustainability and digital learning platforms.

You ll be a hands-on technical leader who takes pride in architecting scalable, high-quality solutions, enjoys mentoring and raising engineering standards, and is motivated by owning platforms that deliver real impact at scale.

The Role at a Glance:

Senior Full Stack Engineer
Old Street, London / Hybrid Working / 1 day a week in the office
£70,000 - £80,000
Plus fantastic benefits: 8% employer pension contribution, mental health support, fitness allowance, enhanced maternity/paternity pay, volunteer days, and more
Permanent - Full Time

Product / Service: Sustainability Consultancy; Training & Events
Culture: Close knit, small and agile company, flat hierarchy, direct communication with director and hiring managers alike

Heads-Up - We really value a short intro covering note :-)

Who we are:

Action Sustainability is a leading consultancy with the aim of inspiring sustainable business.

Our team comprises 60+ full and part-time employees and associates. Many of our clients are sector leaders on sustainability and supply chain issues, and we are proud of our reputation for leading the thinking in this area.

Action Sustainability drives lasting change in sustainability through innovative technology, expert advisory, and award-winning learning solutions. They partner with leading organisations, including the NHS and Houses of Parliament, to create measurable impact across industries. As the delivery team behind the Supply Chain Sustainability School, we lead global collaboration to accelerate sustainability.

An accredited Living Wage employer, we ve been recognised by Best Companies with a ‘One to Watch’ status for their commitment to an outstanding workplace. We prioritise regular wellbeing check-ins, ensure employees are heard, and offer mental health support. Our competency framework enables employees to shape their career paths with clear development goals, while managers receive coaching, mentoring, and peer-sharing opportunities to enhance their leadership skills. This comprehensive approach supports an environment where personal and professional growth thrive.

About the Role:

This is a hands-on role combining high-quality delivery with technical leadership designing scalable solutions, improving developer practices, and raising engineering standards while enhancing the learning experience for thousands of users.

We make extensive use of AI-assisted development tools and want to expand this further - so you ll help define best practice for AI-enabled engineering across the team.

Key Responsibilities:

• Lead the design, build and maintenance of custom Moodle plugins, themes and core feature enhancements
• Write high-quality, secure, reusable PHP and deliver robust front-end experiences
• Architect and implement RESTful APIs, integrations, and reliable data flows between systems
• Own and drive code review quality, engineering standards, and best practices
• Mentor and support other developers (pairing, coaching, unblocking, raising capability)
• Take accountability for software quality: testing strategy, maintainability, performance, and scalability
• Write and maintain unit tests and Behat tests, and ensure coverage is meaningful

System Management & Support:

• Diagnose complex issues across application + infrastructure layers and drive resolution
• Lead performance optimisation and scalability improvements
• Ensure compliance with accessibility standards, GDPR, and data protection by design
• Strengthen QA processes and data integrity (including release readiness)

Collaboration & Stakeholder Management:

• Work closely with product and design to shape solutions (not just implement tickets)
• Translate stakeholder needs (Learning Technologists, Sustainability Consultants, Designers) into technical plans
• Communicate trade-offs clearly and proactively manage technical risk
• Participate in (and help improve) agile delivery cycles: estimation, planning, retros, continuous improvement

Continuous Improvement:

• Stay current with Moodle ecosystem changes and recommend upgrades/approaches
• Drive improvements to developer experience (tooling, CI/CD, environments, documentation)
• Help define responsible, effective use of AI coding tools across the team

Essential Requirements:

• English proficiency and UK work authorisation
• 5+ years commercial full stack experience with strong PHP background

Strong Experience In:

• PHP (architecture-level proficiency)
• Modern JavaScript + front-end patterns
• PostgreSQL/MySQL and relational data modelling
• API design, integrations, web services
• Git workflows and code review leadership
• Testing practices (unit/integration; Behat strongly preferred)

Desirable:

• Strong Moodle experience (plugins/themes, upgrade paths, performance considerations)
• Docker + Linux in production-like environments
• CI/CD pipelines and release management
• Authentication protocols (OAuth2/SAML/SSO etc.)
• WordPress familiarity (useful, not core)

What s on Offer:

• A competitive market salary of £70,000 - £80,000
• 25 days + 8 statutory holidays, plus an extra day for your birthday
• Hybrid working
• 8% employer pension contribution
• If we exceed targets, the full team gets rewarded through our profit share scheme
• Discretionary bonus
• Fitness allowance
• Enhanced maternity/paternity pay and childcare schemes
• Volunteer days
• Access to our vibrant Old Street office featuring a lounge, café bar, gym, and rooftop terrace
• Leverage professional memberships and development programmes tailored to your career aspirations.

Apply today and join a team that s driving change, inspiring action, and leading the way in sustainable supply chains.

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Role Title: Site Reliability Engineer

Location: Milton Keynes/Hybrid (3 days on site)

Duration: 6 months contract

Rate: 390 per day inside ir35

Role Description:

Join a leading global IT consultancy and digital transformation organisation at the forefront of cloud, automation and secure platform engineering. We’re looking for a Kubernetes-first engineer who wants to own and evolve a modern, enterprise-scale platform spanning AWS, Azure and on-prem. This is a hands-on role with real influence over reliability, security and architecture.

Responsibilities:

• Operate and enhance our Kubernetes platform across AWS, Azure, and on prem.
• Lead incident response, problem management, and root cause analysis.
• Deliver cluster lifecycle work: upgrades, patching, node pools, CNI/CSI, ingress, and Rancher operations.
• Own observability, dashboards, alerting, and SLOs/SLIs.
• Implement GitOps (Fleet) and reduce toil through automation and strong governance.
• Apply secure API gateway and WAF patterns.
• Work with distributed system patterns, including event brokers and asynchronous messaging.
• Maintain security posture: CVE remediation, GRC controls, scanning pipelines.

Required Skills:

• Deep knowledge of Kubernetes, Rancher, GitOps, Linux, and cloud networking.
• Understanding of API gateway and WAF patterns.
• Experience with distributed systems and event driven architectures.
• Strong automation/scripting (Python, Go, Bash, PowerShell, .NET).
• IaC:

o Terraform for foundational/bootstrap cluster provisioning.

o Crossplane as an orchestration layer (leveraging Terraform providers).

• Ability to work securely within PCI DSS / GDPR patterns.
• CI/CD: Concourse, GitHub Actions, Azure DevOps.
• Observability: Grafana, Prometheus, Jaeger/Tempo, CloudWatch, Loki, OpenTelemetry.

Nice to Have:

• AWS operational experience.
• Service mesh (Istio/Kuma).
• Hybrid cloud experience (AWS + Azure + on prem).
• Payments or regulated industry background.

If you are interested in this role or wish to apply, please feel free to submit your CV.

Job title: Application Support Team Leader

Client: Tech Firm

Salary: £55,000-£65,000 + Bonus

Location: Near Bracknell

Skills: Team Leadership, Mentoring, Linux, SQL

The role:

My client are looking to add an Application Support Team Leader to their ranks in a particularly busy period.

Responsibilities:

• Assuring and improving Support function efficiency
• Handling escalations and coordinating responses during incidents
• Building and maintaining strong relationships with customers
• Providing mentoring and guidance to Engineers
• Taking ownership of critical issues
• Driving continuous improvement
• Working hand in hand with other teams to provide Product related insights and relaying bugs
• Driving training and development
• Demonstrating best practices
• Contributing technically to incidents
• Delivering and taking responsibility for service reviews

Core skills required:

• Experience working in an Application Support Team Lead capacity
• Linux
• SQL

Please apply ASAP for more information.

Job Title: Senior Cloud Security Engineer (GCP & Wiz)

Location: Knutsford, Cheshire (Hybrid: 3 days in office/2 days remote)
Duration: Long-term contract (Until July 2026)
Rate: £550 per day
IR35 Status: Inside IR35

The Opportunity
We are looking for a highly skilled Cloud Security Engineer to join a global digital transformation leader, Embedded within a Tier 1 Global Investment Bank.This role offers the chance to secure large-scale cloud environments for a world-renowned financial institution.

The Role
As an experienced Cloud Engineer with a security-first mindset, you will bridge the gap between DevOps and Cyber Security. You will be responsible for enhancing cloud infrastructure, automating escalations, and ensuring all architecture aligns with the latest security and software life cycle patterns.

Key Responsibilities:

• Design & Delivery: Translate High-Level Designs (HLD) and Low-Level Designs (LLD) into actionable, secure cloud designs.
• Security Automation: Drive enhancements in cloud security tooling, specifically focusing on Wiz (Wiz Cloud/Wiz Defend).
• CI/CD & DevSecOps: Integrate security controls into CI/CD pipelines and apply automation to solve real-world problems for dynamic business units.
• Infrastructure as Code: Automate GCP infrastructure using Terraform or Deployment Manager.
• Stakeholder Management: Support internal business units in adopting modern cloud-native architectures and best-in-class security protocols.

Core Requirements:

• Cloud Platform Expertise: Strong experience with Google Cloud Platform (GCP) is highly desirable, though AWS/Azure experts with professional certifications will be considered.
• Security Tooling: Proven experience with Wiz (Cloud/Defend) and familiarity with SIEM tools and security controls.
• Containerisation: Expert knowledge of Docker and Kubernetes (GKE).
• Automation & Scripting: Proficiency in Python, PowerShell, or Bash, with experience using automation tools like Chef.
• DevOps: Expert understanding of CI/CD pipelines (Cloud Build, Artifact Registry, etc.).
• Networking: Knowledge of GCP Networking (VPC, Firewalls, Cloud Load Balancing).

Preferred Experience:

• Previous experience working within the Financial Services or highly regulated sectors.
• Relevant certifications (eg, Google Professional Cloud Security Engineer, CISSP, or equivalent Azure/AWS security certs).
• Experience with Red Hat Linux and Windows OS in an operational environment.

Working Pattern
This role follows a 60% office-based/40% remote hybrid model. You must be able to commute to Knutsford at least 3 days per week to collaborate with the engineering and security teams.

My Client is an innovative technology studio building interactive digital products designed for large-scale, live and high-engagement environments.

They are seeking a Creative Unity Developer to work closely with their Creative Director and Senior Unity Developer on rapid prototyping, gameplay development, and building a custom internal toolkit.

This role sits at the intersection of code, design and animation - ideal for someone who enjoys blending technical skill with creativity.

The Role

You ll help prototype and build interactive experiences from concept through to production.

This is a hands-on, multi-disciplinary role where you ll:

• Rapidly prototype and iterate on game mechanics
• Develop interactive UI and gameplay systems in Unity
• Collaborate on gameplay flow, input systems and interaction design
• Create polished, engaging interactive moments
• Build reusable systems and components
• Contribute to internal tools that support efficient content creation
• Help solve performance and scalability challenges

You ll work in a fast-moving environment where experimentation and iteration are part of the process.

Essential Skills

• Strong C# development experience within Unity
• Proven ability to build interactive UI and gameplay systems
• Experience exporting Unity projects (particularly Linux desktop deployment)
• Familiarity with 3D workflows, including importing animated assets from tools such as Blender
• Comfort working across programming, animation and design

Desirable Skills

• Character animation in Blender
• JavaScript / TypeScript (for lightweight input interfaces)
• Unity performance optimisation (e.g. large object counts, DOTS)
• 3D modelling
• Shader development
• Game-flow architecture and state machine design
• Interest in multi-user or large-audience interaction challenges

What s On Offer

• MacBook Pro and modern equipment
• Remote-first (UK-based)
• 25 days holiday + bank holidays
• Flexible working
• Supportive, close-knit team

Interested? Please Click Apply Now! Creative Unity Developer

Sales Engineer

UK Public Sector (SC Cleared - Active Clearance Required)
Location: Remote (UK-based) with regular customer site travel
Package: £90,000-£120,000 base + 20% bonus + car allowance + comprehensive benefits
Security Clearance: Active UK SC clearance already held is mandatory. Applications without current SC cannot be considered.

Overview

Our client is a market leader in digital visibility and network intelligence, supporting some of the UK’s most critical public sector and Government organisations.

Their technology provides deep, Real Time insight across complex digital environments, enabling customers to detect issues faster, secure critical infrastructure, and operate with confidence at scale.

Due to continued growth across UK public sector accounts, we are seeking an experienced Sales Engineer with a strong Government background and current SC clearance.

This is a highly client-facing, revenue-aligned presales role operating in secure and complex environments.

Clearance Requirement - Please Read Carefully

Candidates must already hold current UK SC clearance.

This role cannot support sponsorship or new clearance applications. Active SC clearance is a strict prerequisite for consideration.

The Role

Reporting to the Regional Sales Director, you will act as the technical authority across the full sales life cycle. You will translate complex network and security challenges into clear commercial value for senior stakeholders.

You will work closely with Account Directors, integrators, and public sector customers to shape solutions, deliver technical discovery, and support proof of value engagements.

This is a strategic, consultative role requiring technical depth and executive presence.

Key Responsibilities

Lead technical discovery sessions and shape solution architecture.
Support the full presales cycle from qualification through to close.
Deliver compelling demonstrations and PoC support.
Differentiate solutions against competitors using outcome-led value narratives.
Act as trusted advisor to Government and public sector stakeholders.
Support RFP/RFI responses and technical documentation.
Influence internal product and engineering teams with market feedback.
Represent the organisation at industry events and customer engagements.

Essential Experience

5+ years’ experience in IT, including at least 2 years in presales, network engineering, or technical support.
Proven experience supporting UK Government or public sector accounts.
Strong executive communication skills, comfortable operating at C-suite level.
Demonstrated ability to translate technical problems into commercial outcomes.
Comfortable with 60-70% UK travel (3-4 customer days per week typical).

Technical Expertise Required

Strong working knowledge of:

Cisco routing, switching, gateways and applications.
TCP/IP, SNMP, NetFlow, VoIP.
LAN/WAN technologies including MPLS, Frame Relay, ATM.
Network infrastructure design and security concepts.
Network performance, fault and alert management.

Solid understanding of:

Linux and Windows operating systems.
Cloud and virtualisation technologies including SDN/NFV and public/private cloud.
Monitoring and performance tools such as HP/OV, Tivoli, EMC SMARTS, ArcSight.
Packet analysis and troubleshooting methodologies.
Relevant certifications such as CCNA, CCNP, or CCIE are highly desirable.

Desirable Experience

Degree in Computer Science, Engineering or equivalent technical military background.
Knowledge of vendors such as Arbor, Radware, Riverbed, A10, ExtraHop.
Experience contributing to whitepapers or product strategy.
Exposure to security analytics, log analysis, anomaly detection or traffic monitoring.
Familiarity with NIST, ISO 27001 and network assurance frameworks.
Understanding of full packet capture tools such as Wireshark or Zeek.

Working Model & Location

Officially home-based.
Regular UK travel required for customer meetings and events.
Preference for candidates based in Central or Southern UK.
Exceptional candidates from Northern England will be considered.

Technical Front Office Strategist

12 Month Contract
Location: London (Hybrid)

Lorien’s UK leading Investment banking client are currently looking for a highly skilled Technical Front Offfice Strategist to join the team on an initial 6-month contract.

Required Skills and Qualifications

Support (~30%)

• Assist traders with L1/L2 support
• Ensure trading systems are up and running at all times
• Develop tools that help ensure systems are reliable and efficient
• Rationalize and enhance the platform reliability
• Support the new pricing setup + the low latency platform

Development (~70%)

• Maintain and enhance existing support, monitoring and analysis tools
• Work with traders/research on the requirements of new features/applications
• Work on new projects to enhance the business (cover algo, ETF pricer setup)

Requirements

• Strong knowledge of Linux (including development/debugging, Scripting, and networking)
• Strong knowledge and experience of core Python development
• Knowledge of C++ code (at least as a reader)
• Knowledge of SQL (Oracle)

Desired Skills

• Experience in working under pressure of a production environment
• Troubleshooting/Analytical skills
• Problem solving skills

If you find this opportunity intriguing and aligning with your skill set, we welcome the submission of your CV without delay.

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

We are seeking a skilled Linux Engineer/Linux Systems Administrator to take ownership of our client’s large scale Linux environment consisting of approximately 100 Servers. This role will focus on Business-as-Usual (BAU) operations, maintenance, stability and performance, while also contributing to an ongoing infrastructure modernisation programme.
This is an excellent opportunity for a technically strong Linux professional who enjoys both operational responsibility and forward-looking project work.

Key Responsibilities

BAU & Operational Support
. Administer, monitor, and maintain circa 100 Linux Servers across production and non-production environments
. Perform system patching, upgrades and security hardening
. Manage user access, permissions and authentication services
. Troubleshoot performance issues, outages and system alerts
. Maintain high availability, reliability and up time standards
. Manage backups, restores and disaster recovery processes

Modernisation & Project Work
. Contribute to infrastructure improvement and automation initiatives
. Support migration, consolidation or upgrade projects
. Assist with cloud, virtualisation or containerisation initiatives where applicable
. Identify opportunities for efficiency, performance and cost optimisation

Documentation & Governance
. Maintain clear technical documentation and runbooks
. Follow change management and incident management processes
. Work collaboratively with network, security and application teams

Required Skills & Experience
. Strong hands-on experience administering Linux environments (eg, Ubuntu, CentOS, Red Hat, Debian or similar)
. Solid understanding of server hardware, storage and virtualisation platforms
. Experience with patch management and security best practices
. Proficiency with Shell Scripting (Bash or similar)
. Knowledge of monitoring and logging tools
. Experience supporting large-scale server estates

Desirable
. Exposure to cloud platforms (AWS, Azure, GCP)
. Experience with automation tools (Ansible, Puppet, Chef, Terraform)
. Knowledge of containers (Docker, Kubernetes)
. Understanding of networking fundamentals and Firewalls
. ITIL or relevant Linux certifications

Personal Attributes
. Strong problem-solving and analytical skills
. Ability to prioritise workload in a fast-paced environment
. Clear communication and documentation abilities
. Proactive and improvement-focused mindset

What’s on Offer
. Opportunity to influence and shape infrastructure modernisation
. Exposure to both operational stability and transformation projects
. Supportive technical environment with room for growth
. Competitive salary and benefits package

At Gleeson Recruitment Group, we embrace inclusivity and welcome applicants of all backgrounds, experiences, and abilities. We are proud to be a disability confident employer.

By applying you will be registered as a candidate with Gleeson Recruitment Limited. Our Privacy Policy is available on our website and explains how we will use your data.

Job title: Senior Linux Engineer

Department: IT Infrastructure

Location: High Wycombe (2 days per week)

Working hours: 9.30am to 6pm Monday to Friday.

Reporting to: Head of IT

Main purpose(s) of job:

• The Senior Linux Engineer is responsible and accountable for the smooth running of the computer systems within the limits of requirements, specifications, costs and timelines.
• This is a hands-on role with responsibility for the implementation and maintenance of the company’s computing needs.
• The role requires proven skills, professional experience and a detailed knowledge of industry’s best practice processes.

Main tasks and duties:

Essential:

Manage internal and external information technology and computer systems including:

• RHEL/CentOS Linux Servers (SAMBA/Apache/Proxy).
• Red Hat RHCSA/RHCE certification
• MySQL, MSSQL and Postgres databases.
• iSCSI SAN Technologies.
• Clustered virtualized environment (based on XenServer or Xcp-ng).
• Experience in Firewall configuration and management (Netgate 8300 Firewalls).
• Solid experience in network configuration and management (D-Link DGS-1510-52X Switches).
• System monitoring.
• Monitor, troubleshoot, and optimize network performance, ensuring high availability and minimal downtime.
• Microsoft AD and Remote Desktop Services (W2019).
• Experience of PowerShell/Bash Scripting

Desirable:

• Linux (Red Hat) certification would prove valuable.
• Container based infrastructure (Docker/Kubernetes) exposure.
• Mail Server (M365/Exchange)
• IP Based PBX and phone system.
• Experience of Cloud based environments (AWS/M365)
• Dell server hardware
• Maintain the company’s DR infrastructure including performing scheduled testing.
• Monitoring of key systems to ensure availability and capacity requirements are met so that the business can perform in an efficient manner.
• Implement and manage network security policies, including VPNs, Firewalls, and intrusion prevention systems.
• Ensure the security of our infrastructure and data by managing on-premises security controls and working closely with the Security team to action vulnerability management and system patching.
• Be responsible for the scheduling and prioritisation of I&O tasks and the allocation of resources to complete those tasks within given timescales.
• Manage and maintain network documentation, configurations, and processes in line with regulatory and compliance standards.
• Work closely with the Head of IT, C.I.S.O. and Directors to develop, implement and coordinate systems and procedures.
• Plan and execute infrastructure projects, including upgrades, migrations, and new implementations.
• Perform regular system updates, patching, and vulnerability assessments to maintain a secure network environment.
• Ensure systems and procedures conform to the company security policies including security of data, network access and backup systems.
• Audit systems to identify problematic areas and implement strategic solutions in time.
• Ensure systems are available to meet company Service Level Agreements.
• Be available to troubleshoot/rectify any issues that affect the ability of the company to adhere to their SLA’s out of std working hours where necessary.

This list is not exhaustive, and other duties may be required commensurate with this position as roles evolve.

Person Specification:

• Proven working experience or relevant experience at a senior level.
• Excellent knowledge of technical management, information analysis and of computer hardware/software systems.
• Experience with the systems detailed above.
• Hands-on experience with computer networks, network administration and network installation
• Relevant professional qualifications
• ITIL experience.
• Team focused; motivated; innovative; diligent.
• Enjoys working in a fast-paced and time pressured environment.
• Exceptional organisational skills.
• Pays strong attention to detail.
• Excellent time management and communication skills.