DV Cleared Backend Developer

Location: UK Wide

Clearance: DV clearance required

Sector: Defence & National Security

Role Summary

Our client is seeking DV cleared Backend Developers to support high impact Defence and Security programmes. You will design, build and operate secure, cloud-native backend services that underpin mission-critical national systems.

This is a hands on engineering role, focused on building robust APIs, services and data driven components within modern cloud and DevSecOps environments. You will work end to end - from shaping technical designs and delivering features through to improving reliability, resilience and performance in live operations.

Key Responsibilities

• Design and build backend services and APIs, delivering features end-to-end in collaboration with cross-functional teams.
• Develop cloud-native and containerised applications using technologies such as Java (Spring Boot), Python (FastAPI), Node.js and modern datastores.
• Build solutions within an Agile and DevSecOps environment, embedding security and quality throughout the delivery lifecycle.
• Integrate backend services into CI/CD pipelines, supporting automated testing and deployment.
• Ensure systems are reliable, resilient and scalable, applying Site Reliability Engineering (SRE) principles.
• Collaborate closely with frontend developers, architects, DevOps engineers and client stakeholders.
• Help clients and users understand technical trade-offs and make informed product decisions.
• Contribute to continuous improvement and engineering best practice across teams.

Required Skills & Experience

• DV security clearance is essential.
• Proven experience as a backend or software engineer delivering production systems.
• Strong coding ability in Java, Python and/or JavaScript/TypeScript.
• Solid understanding of backend engineering fundamentals, design patterns and API design.
• Experience working in Agile teams (e.g. Scrum, Kanban).
• Strong communication skills and a collaborative mindset.

Cloud & Engineering

• Experience building backend services on cloud platforms (AWS preferred).
• Familiarity with microservices and containerisation.
• Experience with DevSecOps tooling (e.g. GitLab, Jenkins, Atlassian).
• Understanding of security best practices and OWASP principles.
• Experience with relational and NoSQL databases (e.g. PostgreSQL, Oracle, MongoDB) is beneficial.

TXM Recruit are currently recruiting for a Multi Skilled Shift Engineer to join our client’s operations team, responsible for mechanical, electrical, and fabric maintenance at a site based in North West London \* Competitive Salary – Up to £44,000 per annum, depending on experience \* 25 days annual leave, plus bank holidays \* Enhanced overtime rates for additional earnings \* Annual bonus (up to 4%) - subject to performance (historically paid out) As Multi Skilled Shift Engineer, you will: \* Execute Planned Preventative Maintenance (PPM) using Ostara \* Respond promptly to building alarms (via helpdesk or BMS) and escalating where required \* Manage reactive maintenance tasks via CAFM system and meet SLA targets \* Liaise closely with Supervisor, technical admin, and service delivery teams. \* Escort/coordinate subcontractors during maintenance visits. \* Participate in minor engineering projects and reactive maintenance. Working hours / Shift pattern: \* 6am to 6pm OR 7am to 7pm (to be agreed by the Manager) \* 42 hours per week \* 4 on / 6 off / 4 on / 4 off / 6 on \* Call out 1-in 5 (only for emergencies) Benefits \* Matched pension contributions (5–6%) \* Annual bonus (up to 4%) \* Life assurance \* Access to our industry-leading training academy \* Discounts, vouchers, and financial aid programs Requirements \* Time‑served in Electrical or Mechanical or Fabric disciplines (minimum 3 years) \* City & Guilds Parts 1 & 2 or NVQ Level 3 in Electrical or Mechanical discipline Desirable: \* City & Guilds Part 3 or NVQ Level 2 \* 2391 Inspection & Testing of Electrical Installations \* 18th Edition Wiring Regulations TXM Recruit is an equal opportunities employer. If you have any specific requirements or require assistance or reasonable adjustments to be made for you during the selection or application process due to disability or a long-term health condition, we will do our best to assist you

Are you a fully qualified, Electrical maintenance engineer? My client are looking for a mobile electrical multi skilled engineer to cover multiple commercial sites across West London. Monday - Friday 8am - 5pm + weekend call out rota £45,000 + van & fuel card Multiple static sites across West Responsibilities: Electrical systems PPM’s and reactive maintenance
lighting systems building fabric water services & basic plumbing on site General maintenance and first look is required for all HVAC/Fire and Security and electrical and general issues Requirements: NVQ / C&G Level 3 in electrical installation and/or Level 3 electrical apprenticeship
17th or 18th edition
FULL UK DRIVERS LICENSERandstad CPE values diversity and promotes equality. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. We encourage and welcome applications from all sections of society and are more than happy to discuss reasonable adjustments and/or additional arrangements as required to support your application. Candidates must be eligible to live and work in the UK. For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business

The Technology Resilience Assurance Coordinator plays a key role in supporting the design, implementation, and ongoing assurance of initiatives that strengthen the organisation’s technology resilience. This mid-level position is focused on ensuring that critical systems, applications, and infrastructure are robust, capable of withstanding disruption, and able to recover effectively across a range of recovery scenarios.

The Role

• Provide subject matter expertise on infrastructure resilience and recovery methodologies, considering resiliency best practice and industry standards.
• Contribute to the development and execution of the organisation’s technology resilience strategy and roadmap, ensuring alignment with overarching resilience objectives.
• Support business and IT stakeholders in incorporating resilience considerations into both existing and new technology solutions.
• Ensure all required resiliency control standards are embedded and adhered to across design, testing and reporting activities.
• Perform resilience assessments of Core Services and Business Applications across cloud and on-premises environments.
• Evaluate that technologies have appropriate recovery solutions in place and that Recovery Time Objectives (RTO) and Recovery Point Objectives (RPO) can successfully be achieved through disaster recovery testing.
• Contribute to the development and maintenance of technology resilience plans to ensure the availability of IT infrastructure and applications during disruptions or disasters.
• Support the design and implementation of disaster recovery procedures for critical IT systems and applications.
• Assist with regular risk assessments to identify potential threats to IT infrastructure and help develop mitigation plans.
• Participate in regular testing of IT resilience plans to ensure their effectiveness, accuracy, and compliance with regulatory and/or contractual requirements.
• Track resilience metrics and compliance across the organization, and prepare regular reports for management, stakeholders and auditors.
• Collaborate with teams across the organization to promote a culture of resilience and encourage adoption of resilience best practices.
• Collaborate with Operational Resilience, Business Continuity, Incident Management and Crisis Management teams to build an integrated, proactive and resilient organization.
• Ensure compliance with relevant industry standards and regulations and, such as ISO 22301, ISO 27001, and GDPR, UK Op Res, DORA etc.

What you’ll bring

• Experience in disaster recovery or technology resilience roles.
• Experience of designing, organising, leading and reporting on disaster recovery tests.
• Strong project management skills, especially in relation to planning and executing technical disaster recovery exercises.
• Experience in implementing and monitoring frameworks and controls to support technology resilience.
• Experience in engaging stakeholders and collaborating with teams to ensure full commitment to technology resilience initiatives.
• Strong knowledge of IT infrastructure, applications and cloud computing.
• Understand system interdependencies and behaviour during recovery scenarios.
• Strong analytical and problem-solving abilities.
• Familiarity with industry standards and frameworks e.g. ISO 22301, ITIL, NIST etc.
• Excellent verbal and written communication skills.
• Ability to build strong professional relationships at all levels of the organisation

What we offer

Enjoy a benefits package designed to help you thrive, both professionally and personally. You’ll receive 25 days of annual leave plus an extra WTW day to relax and recharge. Our comprehensive health and wellbeing offering includes private healthcare, life insurance, group income protection, and regular health assessments, all giving you peace of mind. Secure your future with our defined contribution pension scheme, featuring matched contributions up to 10% from the company.

We support your growth and balance with hybrid working options, access to an employee assistance programme, and a fully paid volunteer day to make a difference in your community. On top of these, you can opt into a variety of additional perks including an electric vehicle car scheme, share scheme, cycle-to-work programme, dental and optical cover, critical illness protection, and much more. Start making the most of your career and wellbeing with a range of benefits tailored for you.

Equal Opportunity Employer

We’re committed to equal employment opportunity and provide application, interview and workplace adjustments and accommodations to all applicants. If you foresee any barriers, from the application process through to joining WTW, please contact your recruiter.

Service Desk Engineer (2nd Line)

London (North London)

Hybrid (3 days onsite, 2 days remote) | Occasional client travel

Are you an experienced IT support professional ready to take the next step in your career? Do you enjoy solving complex technical issues while delivering outstanding customer service, both remotely and face-to-face? We’re looking for a skilled Service Desk Engineer (2nd Line) to join our dynamic Service Delivery Team.

About the Role

As a 2nd Line Service Desk Engineer, you will be at the forefront of delivering high-quality technical support to our clients. You’ll handle escalated incidents, proactive monitoring alerts, and on-site visits, while helping to mentor and develop the 1st Line team.

Key Responsibilities

• Respond promptly to technical support requests via phone, email, and ticketing system
• Diagnose and resolve 2nd line and escalated tickets, as well as NOC monitoring alerts, within agreed resolution times
• Provide face-to-face technical support through pre-scheduled client site visits
• Accurately classify, prioritise, and document tickets with detailed notes throughout their lifecycle
• Keep clients and their IT teams regularly updated on ticket progress
• Identify recurring issues and contribute to permanent solutions
• Create and maintain technical documentation and knowledge base articles
• Deliver excellent customer service and a positive support experience at all times
• Manage your own ticket queue, triage effectively, and escalate where necessary
• Liaise with third-party vendors and partners to resolve complex issues
• Support, mentor, train, and develop the 1st Line Service Desk Analysts
• Stay up to date with the latest technologies and cyber security developments, and share knowledge with the team
• Achieve relevant Microsoft and technical certifications

What We’re Looking For

• Excellent customer service, telephone, and client-facing skills
• Minimum 2 years’ experience providing IT support across multiple technologies (MSP experience is highly desirable)
• Proven experience attending client sites and delivering face-to-face support
• Strong troubleshooting and support experience in the following technologies:
• Windows Server (on-premise and Azure)
• Active Directory (on-premise and Azure), Group Policy, Office 365, and SharePoint
• Microsoft Exchange
• Virtualisation technologies (Windows Virtual Desktop, Hyper-V, Virtual Machine Manager, vSphere)
• Backup and Disaster Recovery solutions
• Cyber-security tools and concepts (EDR, MFA, AV, incident response)
• Networking (TCP/IP, DNS, DHCP, LAN, WAN, Wireless, Switches, Routers)
• Windows OS, macOS, and Microsoft Office
• Mobile device configuration and support
• Ability to configure, administer, and support both Windows and macOS devices
• Solid understanding of the cyber threat landscape and security best practices
• Proactive mindset with the ability to anticipate and prevent issues
• Excellent verbal and written communication skills – able to explain complex technical matters clearly to users of all levels
• A genuine passion for learning new technologies, demonstrated through certifications or personal projects
• Strong team player who is also highly self-motivated
• Calm and professional approach when dealing with difficult or demanding situations
• Full UK driving licence

What We Offer

• Hybrid working (3 days onsite, 2 days remote)
• Varied and interesting workload across multiple client environments
• Opportunities to develop your technical skills and gain certifications
• A supportive, collaborative team that values excellence in service delivery

If you’re a confident, customer-focused 2nd Line Engineer who enjoys both technical challenges and mentoring others, we’d love to hear from you.

Job Title: Network Engineer

Location: London (on-site)

Rate: £500 - £510 per day, inside IR35 (dependent on experience)

Duration: 12 months

Tec Partners are working with a world-leading technology client who are currently looking for an experienced Network Engineer, to work on an exciting customer assignment. As a Network Engineer, you will join an internal infrastructure operations function, acting as the support and escalation point for a complex, multi-site campus network estate. You will play a key role in ensuring operational reliability and availability of core infrastructure.

What they are looking for:

• Extensive expertise campus networking - including, but not limited to structured cabling, switches and MDF/IDF management
• Experience providing expert-level network support, ideally acting as an escalation point
• Experience supporting and maintaining distributed and multi-site network environments (ideally globally)
• Excellent communication skills and stakeholder management, both technical and non-technical
• Experience with Arista, Arista CloudVision Portal (CVP), Opengear (or similar) and Fortinet all desirable

This is an exciting opportunity for an experienced Network Engineer to join a truly world-class business, which will give you access to incredible learning and development opportunities, and work on assignment with an equally exciting customer. If you are a Network Engineer, with the background and skill set listed above, then get in touch right away to find out more!

If you are interested in this position or would like to discuss further, please send your CV for immediate review.

Linux System Administrator

Salary to £70,000 + up to £15,000 in additional bonuses

Must be eligible for a high level of UK Government Clearance

London location

Sanderson Government and Defence are working with one of the world largest technology companies in their UK Secure Government division.

They are looking for a Linux System Administrator who holds or is eligible for a high level of UK Government Clearance and who has a genuine interest in the sector.

Tech wise, on top of the basic Linux System Administrator skillset they are looking for at least some of the following:

• Ansible
• AWS Cloud
• Bash
• Python

Once you have the appropriate level of clearance you will be based in Cheltenham, however while you wait for this clearance you are able to work flexibly. Therefore we are open to people looking to relocate, as this will allow you plenty of time to move closer to site.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Rate - £700 - £800 Inside IR35 total to umbrella

Duration - 6 months initial with expected extensions

Location - London (Three times a week on site)

A leading global financial services organisation is looking for an experienced Security Engineer to help design, build and operate secure infrastructure and identity services across cloud and on-prem environments. This role sits within a high-performing Information Security team and plays a key part in strengthening the organisation’s security posture.

Role Overview:

You’ll lead on security engineering initiatives, own key security platforms, drive automation and support incident response and threat detection activities. You’ll also contribute to strategic security projects and ensure secure, scalable and resilient solutions across the business.

Key Responsibilities:

• Deploy and manage enterprise security tools (SIEM, XDR, DLP, Email Security, Endpoint Protection).
• Build automation using Python, PowerShell, Bash.
• Implement IaC using Terraform and Ansible.
• Maintain secure baselines for Windows, Linux and Kubernetes.
• Automate IAM workflows and integrate identity governance into CI/CD.
• Support incident response, threat detection and Red/Blue team exercises.
• Maintain security documentation and participate in on-call rotations.

Qualifications & Experience:

• Degree in Computer Science, Engineering, Information Systems or similar.
• Preferred certifications: CISSP, GIAC, SC-200, AWS/Azure Security Specialty, CyberArk, SailPoint.
• 5+ years’ experience in security engineering or DevSecOps.
• Strong knowledge of IAM (SailPoint, CyberArk, OAuth, SAML), scripting, CI/CD, Microsoft Defender, Windows/Linux/Kubernetes and network security tools (zScaler, Squid).

Personal Qualities:

• Strong analytical and problem solving skills.
• Able to lead multiple projects and collaborate across teams.
• Excellent communication and documentation skills.
• Detail-driven, adaptable and committed to continuous improvement.
• Passionate about automation and securing critical systems.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Job Title: Infrastructure / Azure Cloud EngineerLocation: London (on-site, hybrid after probation)Salary: £75,000 - £90,000Type: PermanentBenefits: Bonus Scheme, Private Health Care, Pensions & many more

Exciting opportunity for a globally established business, with opportunities for professional growth and continuous learning.

The successful candidate will help shape the Cloud (Azure) platform globally whilst supporting cloud modernisation and innovation.

You will also be the subject matter expert, working across a fast-evolving group scaling through new acquisitions and technology growth

General responsibilities: -

Own Azure estate management, VDI delivery, and key migration/refactor projects across 2,000+ users

Hands-on platform work including monitoring, access & service admin, IT support

major project delivery including cloud migrations (incl. remote data centre decommissioning), environment modernisation and secure shared services Cross-region collaboration with remote teams including engineering, SOC and support functions

Skills required: -

• Solid Azure resource administration (build/config/support for live environments) * Virtual desktop infrastructure - VDI - design, config, deployment and management experience * Microsoft Entra or Azure AD admin and set-up * Service desk (ServiceNow or similar) ticket management in production environments * Security & governance exposure across Azure estates

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Sheer Jobs Limited is recruiting on behalf of a local authority client for a Senior Cyber Security Engineer to play a critical role in strengthening and optimising their cyber security function.

This position is key to maximising the effectiveness of a newly implemented outsourced SOC (NCC Group), leveraging Splunk and CrowdStrike. You will provide senior-level technical expertise to enhance security operations, improve threat detection, and upskill the internal team.

Key Responsibilities

• Lead CrowdStrike Falcon deployment, configuration, and optimisation
• Design and enhance Splunk SIEM dashboards, alerts, and data models
• Act as an escalation point for major cyber incidents
• Develop SOAR automation workflows to improve response times
• Conduct proactive threat hunting using advanced queries
• Work closely with SOC partner to optimise security operations
• Provide training and knowledge transfer to internal teams

Mandatory Requirements (Must Have)

• 5+ years’ experience in Cyber Security Engineering or SOC Tier 3 environments
• Strong hands-on expertise in CrowdStrike Falcon (Prevent, Insight, Discover)
• Advanced Splunk experience – including SPL and Splunk Enterprise Security (ES)
• Splunk Certified Cybersecurity Defence Engineer (MANDATORY)
• Strong understanding of:
• Network security & protocols
• Cloud security (AWS/Azure)
• MITRE ATT&CK framework

Desirable Experience

• Vulnerability Assessment tools (2+ years preferred)
• Exposure to Penetration Testing / Web Application Testing
• Experience developing security policies and standards

Certifications (Highly Desirable)

• CrowdStrike Certifications (CCFA / CCFR / CCSE – ideally 2+)
• Cyber Security Certifications:
• CompTIA Security+, CySA+, GSEC
• CISSP, GCIH, GCIA, CCSP

Why Apply?

• Work on a high-impact cyber transformation programme
• Engage with cutting-edge tools (CrowdStrike & Splunk)
• Opportunity to shape and optimise a live SOC environment
• Competitive £500/day rate with hybrid flexibility

Apply Now

If you are a technically strong Cyber Security Engineer ready to operate at a senior level within a complex environment, please submit your CV for a confidential discussion.

• Watford (On-site)
• Wintel/on-prem
• Up to £55,000
• To apply, email:

A secure government programme is seeking an experienced Infrastructure Engineer to support the deployment, integration, and ongoing management of critical IT infrastructure.

This is a hands-on role working across server, network, storage, and desktop environments, supporting a highly secure and fast-paced delivery environment.

Due to the nature of the work, active DV clearance is required to start.

Key Responsibilities

• Deploy and integrate hardware and software across infrastructure environments
• Test deliverables, document outcomes, and manage fault identification and resolution
• Administer, maintain, and enhance systems to improve performance and service quality
• Provide 2nd and 3rd line support, working within agreed SLAs
• Deliver tasks in line with project plans, timelines, and quality standards
• Maintain operational documentation, asset records, and system updates
• Provide regular progress updates to internal stakeholders

Key Skills & Experience

• Experience in infrastructure engineering within secure or specialist environments

• Background as an Infrastructure or Field Engineer across small to medium IT projects

• Strong hands-on experience with:

• Infrastructure administration

• Hardware deployment

• Fault diagnosis and resolution

Ability to work independently and manage workload within SLA-driven environmentsExperience working in customer-facing roles

Desirable Experience

• Knowledge of ITIL Service Management processes

• MCP certification (or equivalent)

• Understanding of secure data centre environments and UK Government standards

• Experience with:

• File and print clusters

• Thin client environments

• Messaging systems

Strong customer service and stakeholder management skillsExperience reporting across multiple levels and monitoring KPIs

GOLANG ENGINEER - RICHMOND, LONDON (ONSITE)

KEY POINTS

• Salary up to £60,000
• Fully onsite role in Richmond, London
• Strong focus on Go, Linux, and low-level networking
• Opportunity to work on high-performance, distributed systems

ABOUT THE CLIENT

We’re working with a fast-growing and highly technical organisation building scalable, high-performance systems. Due to continued investment and product expansion, they’re looking to add experienced Golang Engineers to their engineering team.

This is an environment suited to engineers who enjoy solving complex problems, working close to the metal, and building robust, production-grade systems.

THE BENEFITS

• Work alongside highly skilled engineers in a technical environment
• Opportunity to work on complex, high-impact systems
• Clear progression within a growing team
• Ongoing learning and development support
• Stable, well-funded organisation with ambitious growth plans

THE GOLANG ENGINEER ROLE:

As a Golang Engineer, you’ll play a key role in designing, building, and optimising backend systems with a strong focus on performance and reliability. You’ll be working closely with other engineers to develop scalable services, troubleshoot system-level issues, and contribute to architectural decisions.

This role suits someone who enjoys working within Linux environments and has a strong understanding of networking principles, particularly within distributed systems.

GOLANG ENGINEER ESSENTIAL SKILLS

• Strong commercial experience with Go (Golang)
• Solid Linux experience (command line, system-level understanding)
• Strong understanding of networking concepts (TCP/IP, protocols, performance)
• Experience building scalable, distributed systems
• Strong problem-solving skills and attention to detail

TO BE CONSIDERED:

Please either apply through this advert or email me directly via .

For further information please call me on / .

By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only.

KEY SKILLS

Golang, Go, Linux, Networking, TCP/IP, Distributed Systems, Backend Development, Software Engineering, Systems Programming

We’re seeking a highly capable Senior Cyber Security Engineer to join our client at a pivotal stage of our security evolution. Following the implementation of an outsourced Security Operations Centre (SOC) this role will play a key part in strengthening our clients security posture and maximising the value of security tooling.

You will act as the technical lead between the SOC and internal teams, transforming security data into actionable intelligence, optimising platforms, leading incident response, and mentoring the wider security function.

Key Responsibilities

• Lead and manage the deployment, configuration, and optimisation of CrowdStrike Falcon
• Collaborate closely with NCC Group to enhance Splunk dashboards, alerts, and detections
• Act as the technical escalation point for high-severity security incidents
• Develop automation and SOAR workflows to improve response effectiveness
• Conduct proactive threat hunting activities
• Mentor and upskill the internal security team across tools and threat analysis

Skills & Experience Required

• 5+ years’ experience in a senior Cyber Security Engineering or SOC Tier 3 role
• Strong hands-on expertise with CrowdStrike Falcon (Prevent, Insight, Discover)
• Advanced Splunk / Splunk ES experience, including strong SPL capability
• Solid understanding of networking, cloud security (AWS/Azure), and the MITRE ATT&CK framework
• Experience with vulnerability management, penetration testing, or web application testing is advantageous

We are seeking a Solace Middleware Engineer to join our specialised middleware and application platform support team within the Global Investment Bank’s dedicated low-latency infrastructure. This role is pivotal in supporting electronic trading systems across Forex (FX) and Fixed Income (FI) markets. The successful candidate will possess deep technical expertise in Solace middleware and a practical understanding of trading workflows and ultra-low latency requirements.

• Essential Skills:

  • Expert-level knowledge of Solace PubSub+ platform.
  • Hands-on experience configuring Solace message VPNs, queues, topic endpoints, bridges, and DMR.
  • Proven ability to tune Solace for ultra-low latency trading environments.
  • Strong knowledge of messaging middleware technologies and multicast messaging protocols.
  • Specific experience with market-facing and low-latency infrastructure for Forex and Fixed Income trading.
  • Strong Linux/Unix administration skills with focus on network and messaging performance tuning.
  • Automation and scripting proficiency (Python, Shell scripting, SQL).

• Experience & Soft Skills:

  • Strong experience in technical platforms or infrastructure support, preferably in electronic trading or capital markets technology.
  • Ability to work under pressure
  • Project management collaboration skills for gathering technical requirements.

• Solace Messaging Infrastructure:

  • Architect and administer the enterprise Solace PubSub+ platform supporting real-time trading applications.
  • Design and implement Solace messaging patterns optimized for low-latency trading.
  • Configure and tune Solace brokers, message VPNs, queues, topic endpoints, and client profiles for optimal performance.
  • Manage Solace high-availability configurations including primary/backup broker pairs and replication.
  • Implement Solace DMR (Dynamic Message Routing) for inter-datacenter message distribution.
  • Define and enforce Solace governance frameworks, naming conventions, and messaging standards.
  • Monitor and optimize message flow performance, identifying and resolving latency issues.
  • Capacity plan for Solace infrastructure based on trading volumes and growth projections.

• Trading Application Integration:

  • Collaborate with CMI development teams globally to integrate trading applications with Solace messaging.
  • Design topic hierarchies and subscription patterns for market data distribution and trade execution flows.
  • Implement multicast messaging standards for efficient market data dissemination.
  • Optimize Solace client configurations for trading applications.
  • Support message transformation, filtering, and routing requirements within Solace.
  • Troubleshoot complex messaging issues affecting trade execution and market data delivery.

• Monitoring & Performance Management:

  • Deploy and maintain specialized monitoring for Solace infrastructure using ITRS Geneos and Corvil.
  • Create custom monitoring dashboards for message latency, throughput, queue depths, and broker health.
  • Establish alerting thresholds and escalation procedures for messaging infrastructure.
  • Analyse message flow patterns to identify performance bottlenecks and optimization opportunities.
  • Conduct post-incident analysis of messaging-related trading disruptions.

To apply for this Solace Middleware Engineer position, please submit your CV and cover letter detailing your relevant experience .

A leading global financial services institution is seeking a Network Security Engineer to take local ownership of network security in London, with exposure to wider infrastructure initiatives and the opportunity to grow into a management role.

What you’ll do:

• Design, manage, and secure network infrastructure (BGP, HSRP, load balancing, proxies, perimeter security)
• Implement and maintain server, endpoint, and end-user security controls
• Support and enhance core infrastructure services, including VPNs, databases, replication, and high availability
• Administer Windows and Linux environments
• Own and lead the local technology function, working closely with global teams
• Operate within a regulated environment and support cloud platforms such as AWS, Azure, or GCP
• Design, secure, and support high-availability network infrastructure
• Manage server, endpoint, and perimeter security controls
• Partner with regional and global technology teams on delivery and improvement initiatives

What you’ll bring:

• 6+years’ experience in networking technologies, including BGP,HSRP, load balancing, proxies, and network perimeter security
• Hands-on experience supporting security controls across servers, endpoints, and end-user environments
• Solid infrastructure knowledge, including VPNs, databases, replication, and resilience / high-availability designs
• Strong Windows and Linux systems administration experience
• Experience working within financial services or other regulated environments
• Exposure to cloud platforms such as AWS, Azure, or GCP
• CCNA certification is a strong advantage
• Ability to speak Mandarin is a strong advantage
• Right to work in the UK is required

Robert Walters Operations Limited is an employment business and employment agency and welcomes applications from all candidates

DevOps Engineer (Performance Testing)

6 Months Contract + extension

£600 per day (Inside IR35)

Remote working

Please note active SC Clearance is needed for the role

A leading global consultancy is looking for an experienced hybrid devOps and Performance specialist to superhead critical national infrastructure projects. You will essentially ensure the resilience and scalability of a massive cloud-native environment. This is a high-visibility role where you will bridge the gap between infrastructure stability and rigorous performance validation.

Key Responsibilities

• Infrastructure & CI/CD: Design, build, and maintain robust CI/CD pipelines to automate deployment cycles.
• Performance Engineering: Lead the charge on system reliability by executing complex performance test runs, identifying bottlenecks, and implementing upgrades.
• System Integrity: Proactively monitor the service environment, diagnosing faults within the cloud infrastructure and delivering detailed technical reports.
• Collaboration: Work as a core member of the DevOps and Infrastructure teams to ensure seamless environmental upgrades and stability.

Essential Skills

• Cloud Infrastructure: Deep hands-on experience with AWS.
• Orchestration: Proven expertise in Kubernetes and containerized environments.
• Automation & Scripting: Strong proficiency in Python, Bash, or PowerShell.
• CI/CD Tooling: Expert knowledge of Jenkins and Concourse.
• Performance Testing: Extensive experience writing test strategies and using tools such as JMeter, K6, Postman, or Swagger.
• Infrastructure as Code: Solid experience with Ansible.
• Observability: Proficiency with monitoring and logging stacks (Prometheus, Grafana, and ELK).
• Testing Philosophy: A background in both manual testing and automated performance validation.

6 Months Contract + extension | £600 per day (Inside IR35) |Remote working

Please note active SC Clearance is needed for the role

If this seems of interest then please apply directly to the AD or send your CV to

Randstad Technologies is acting as an Employment Business in relation to this vacancy.

Are you an experienced Electrical Maintenance engineer with commercial maintenance experience, looking for a fast-paced shift role? Look no further! I am working with a leading FM service provider who are actively recruiting for a shift lead to join their flagship team in central London.

Package

• Salary up to £48,000 per annum
• Bags of overtime available
• Extensive benefits package
• 4 on and 4 off (Days and Nights)

Duties

• • • Emergency Light Testing
    • Fire Alarm Testing
    • UPS
    • Circuit Breakers
    • Chillers
    • Heat Exchangers
    • Calorifiers
    • Boilers
    • AHUs/FCUs
    • Distribution Boards
    • Transformers
    • Generator Testing
    • Electrical Fault Finding

Requirements

• NVQ Level 3 Electrical
• 18th Edition
• HV/LV (Good to have)
• Building services maintenance experience

Randstad CPE values diversity and promotes equality. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. We encourage and welcome applications from all sections of society and are more than happy to discuss reasonable adjustments and/or additional arrangements as required to support your application.

Candidates must be eligible to live and work in the UK.

For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.

Data Center Engineer (Electrical or Mechanical)

Location: West London

Salary: £54,000 + Overtime

Shift: Continental Pattern (Days & Nights)

The Role

We are seeking a skilled and motivated Level 3 Data Center Engineer to join our critical infrastructure team in West London. Whether you are Electrically or Mechanically biased, you will play a pivotal role in ensuring 100% uptime for a premier data center facility.

Essential Requirement: Critical Experience

[!IMPORTANT] Please Note: To be considered for this role, candidates must possess prior experience working within a Critical Environment.

Key Responsibilities

• Maintenance & Repair: Conduct planned preventative maintenance (PPM) and reactive repairs on critical plant equipment (Chillers, CRAC units, UPS systems, Generators, and Switchgear).
• Incident Response: Act as a first responder to site alarms and system failures, ensuring rapid resolution to maintain site SLA requirements.
• Shift Excellence: Work a Continental Shift Pattern (rotating days and nights), providing 24/7 coverage and site safety.
• Compliance: Maintain rigorous site logs, ensuring all work complies with Health & Safety regulations and site-specific Standard Operating Procedures (SOPs/MOPs/EOPs).

Technical Requirements

• Qualifications: Level 3 City & Guilds / NVQ (or equivalent) in Electrical or Mechanical Engineering.
• HVAP (High Voltage Authorised Person): Highly desired. If you aren’t currently AP, the desire to work toward this is essential.

Randstad CPE values diversity and promotes equality. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. We encourage and welcome applications from all sections of society and are more than happy to discuss reasonable adjustments and/or additional arrangements as required to support your application.

Candidates must be eligible to live and work in the UK.

For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.

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