23 system engineer jobs found

iO Associates are partnered with a leading R&D organisation in their search for a DevOps Engineer with Active SC Clearance. You'll be working close to the hardware and operating system, supporting the design, build and automation of the infrastructure. Location: 2-3 days / week on-site in London Day Rate: £525 - £600 / day Outside IR35 Contract: 6 Months What we're looking for: Strong Linux engineering skills (Ubuntu, RHEL or similar) Proven experience in on-prem or hardware-adjacent environments Strong programming/scripting skills (Python preferred, but Bash, Go, or similar also valued) Good knowledge of DevOps tools and practices (e.g., Ansible, CI/CD, GitLab, Jenkins, Terraform, PowerShell, Git etc.) Solid understanding of networking fundamentals A methodical, problem-solving mindset - able to diagnose difficult, low-level issues Someone pragmatic, collaborative and comfortable working in a fast-moving build phase The client are looking to...

iO Associates are partnered with a leading R&D organisation in their search for a DevOps Engineer with Active SC Clearance. You'll be working close to the hardware and operating system, supporting the design, build and automation of the infrastructure. Location: 2-3 days/week on-site in London Day Rate: £525 - £600/day Outside IR35 Contract: 6 months What we're looking for: Strong Linux engineering skills (Ubuntu, RHEL or similar) Proven experience in on-prem or hardware-adjacent environments Strong programming/Scripting skills (Python preferred, but Bash, Go, or similar also valued) Good knowledge of DevOps tools and practices (eg, Ansible, CI/CD, GitLab, Jenkins, Terraform, PowerShell, Git etc.) Solid understanding of networking fundamentals A methodical, problem-solving mindset - able to diagnose difficult, low-level issues Someone pragmatic, collaborative and comfortable working in a fast-moving build phase The client are looking to get...

D365 Functional Consultant – 12-month contract – Outside of IR35 My Customer is looking for a highly skilled D365 Functional Consultant with strong experience across Field Service (FS) , Business Central (BC) and Sales Hub to enhance and optimise the organisation’s use of Dynamics 365. You will work through a roadmap of planned improvements, while also bringing your own expertise, insight, and ideas to drive quick wins and long-term value. Skills & Experience from the D365 Functional Consultant: Outside of IR35 Strong hands-on experience as a D365 Functional Consultant , covering Field Service (FS) , Business Central (BC) , and Sales Hub . Strong functional Configuration experience Proven ability to translate business requirements into effective, scalable D365 solutions. Experience working with external delivery partners and acting as the internal lead/SME. Previous involvement in portal development, field service apps, or workflow/process automation....

D365 Functional Consultant - 12-month contract - Outside of IR35 My Customer is looking for a highly skilled D365 Functional Consultant with strong experience across Field Service (FS) , Business Central (BC) and Sales Hub to enhance and optimise the organisation's use of Dynamics 365. You will work through a roadmap of planned improvements, while also bringing your own expertise, insight, and ideas to drive quick wins and long-term value. Skills & Experience from the D365 Functional Consultant: Outside of IR35 Strong hands-on experience as a D365 Functional Consultant , covering Field Service (FS) , Business Central (BC) , and Sales Hub . Strong functional Configuration experience Proven ability to translate business requirements into effective, scalable D365 solutions. Experience working with external delivery partners and acting as the internal lead/SME. Previous involvement in portal development, field service apps, or workflow/process automation....

DV-Cleared Application Support Engineer - Contract (Outside IR35)The RoleWe are seeking a DV-cleared Application Support Engineer to join our client's on-site team in the Cheltenham area. You will help maintain and support a managed cross-domain service, leveraging a broad range of technologies. The role focuses on site reliability engineering practices to ensure service resilience, continuous improvement, and operational excellence.Location: Cheltenham, Gloucestershire Area (on-site minimum 4 days per week)Rate: £500 - £600 per dayClearance: Active DV clearance requiredStart: ASAPDuration: 6 months Key ResponsibilitiesBuild & Deploy Manage and maintain CI/CD pipelines using Java, Maven, and NPM. Configure and execute automated test suites with Maven and Cypress. Deploy and configure services using Terraform and Ansible across OpenShift, RHEL/CentOS, and Docker. Configure and integrate third-party software and appliances. Monitoring & Verification Track service...

SC Cleared Cloud Engineer6 Months Contract Remote Outside ir35 As a Site Reliability Engineer you will:● Be part of a multidisciplinary team developing and supportingour central cloud, developer and identity and access platforms● Write infrastructure as code using terraform to ensure ourinfrastructure is consistent, reusable and reliable● Deploy and configure observability tools to enable our teams toidentify and respond to operational issues quickly and effectively● Build CI/CD pipelines to enable the team to get code intoproduction quickly and reliably● Provide day-to-day support for our platforms and tools to ensurethey remain available, secure and robust● Solve complex and interesting problems● Share your knowledge and expertise with your peers and thewider team to drive consistency and develop a culture ofopenness and learningWe’re interested in people who have:● A deep understanding of Linux operating system internals andare comfortable working with Linux virtual machines...

DV-Cleared Application Support Engineer - Contract (Outside IR35) The Role We are seeking a DV-cleared Application Support Engineer to join our client's on-site team in the Cheltenham area. You will help maintain and support a managed cross-domain service, leveraging a broad range of technologies. The role focuses on site reliability engineering practices to ensure service resilience, continuous improvement, and operational excellence. Location: Cheltenham, Gloucestershire Area (on-site minimum 4 days per week) Rate: £500 - £600 per day Clearance: Active DV clearance required Start : ASAP Duration : 6 months Key Responsibilities Build & Deploy Manage and maintain CI/CD pipelines using Java, Maven, and NPM. Configure and execute automated test suites with Maven and Cypress. Deploy and configure services using Terraform and Ansible across OpenShift, RHEL/CentOS, and Docker. Configure and integrate third-party software and appliances. Monitoring...

DV-Cleared Application Support Engineer - Contract (Outside IR35) The Role We are seeking a DV-cleared Application Support Engineer to join our client's on-site team in the Cheltenham area. You will help maintain and support a managed cross-domain service, leveraging a broad range of technologies. The role focuses on site reliability engineering practices to ensure service resilience, continuous improvement, and operational excellence. Location: Cheltenham, Gloucestershire Area (on-site minimum 4 days per week) Rate: £500 - £600 per day Clearance: Active DV clearance required Start : ASAP Duration : 6 months Key Responsibilities Build & Deploy Manage and maintain CI/CD pipelines using Java, Maven, and NPM. Configure and execute automated test suites with Maven and Cypress. Deploy and configure services using Terraform and Ansible across OpenShift, RHEL/CentOS, and Docker. Configure and integrate third-party software and...

Role: Staff Software Engineer Sector: Life Sciences Location: London Days Onsite: 3 per week Day Rate: £800 Outside IR35 Duration: 4 Months then to extend or go Permanent iO Associates have partnered with Life Science Manufacturing company on their search for a Staff Software Engineer who has a strong background in integrating Medical Devices. This role will give you the opportunity to make a real impact in Healthcare and Life Sciences. Essential Requirements Strong .NET / C# background Significant experience integrating and communicating with hardware devices Ability to handle Windows devices, drivers, and communication layers 8+ years of experience at a staff-level , capable of working autonomously Not a web-focused developer; needs to be fully hardware-integration oriented Beneficial Experience gRPC , REST APIs , HTTP Integrating devices in Life Sciences Robotics integration (robotic arms, 6-axis systems) If you're interested, please...

Role: Staff Software Engineer Sector: Life Sciences Location: London Days Onsite: 3 per week Day Rate: £800 Outside IR35 Duration: 4 Months then to extend or go Permanent iO Associates have partnered with Life Science Manufacturing company on their search for a Staff Software Engineer who has a strong background in integrating Medical Devices. This role will give you the opportunity to make a real impact in Healthcare and Life Sciences. Essential Requirements Strong .NET/C# background Significant experience integrating and communicating with hardware devices Ability to handle Windows devices, drivers, and communication layers 8+ years of experience at a staff-level , capable of working autonomously Not a web-focused developer; needs to be fully hardware-integration oriented Beneficial Experience gRPC , REST APIs , HTTP Integrating devices in Life Sciences Robotics integration (robotic arms, 6-axis systems) If you're interested, please respond...

Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across Python, Django and some Java and Rust. This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment and implementing AI work. What You'll Be Doing as a Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Designing and building robust backend services across Python and Django Collaborating with product and platform teams to scale critical infrastructure Contributing to performance optimisation, secure coding, and clean architecture decisions Bringing in best practices across multiple programming...

Google Cloud Architect – Contract 6 Months – Outside IR35 £600 per day SC or DV Clearance (UKSV) Required Hybrid: Home + 3 days/week onsite in Central London Are you a Google Cloud specialist with a passion for designing secure, mission-critical systems? We’re looking for a Google Cloud Architect to join a specialist systems integrator delivering into UK Government on a major multi-year transformation programme. This is an opportunity to shape and implement some of the most strategically important government systems in operation today. You’ll architect next-generation platforms that protect national capability — working alongside some of the best engineers in the industry in an environment where innovation, precision and security are paramount. What You’ll Be Doing Designing and delivering secure, scalable and resilient architectures in Google Cloud Platform (GCP) and Google Distributed Cloud (GDC) . Engineering solutions for disconnected...

Contract GCP DevOps Engineer (SC Cleared) - Outside IR35 - £450-£550/day Duration: Until March 2026 (likely extensions) 4-6 months Clearance: Active SC required IR35: Outside Location : Largely remote with the expectation to be onsite in London or Corsham when needed My client is looking to build out a new GCP Cloud engineering team. So I am on the look for multiple GCP DevOps / Cloud Engineers to join a fast-moving engineering team building mission-critical, secure GCP platforms with real-world impact. This is a high-autonomy, high-influence role where you'll shape cloud architecture, tooling, and DevSecOps practices while working on the future of trusted, deployable AI infrastructure . What You'll Do Deliver hands-on GCP engineering with a focus on GKE Build and automate infrastructure using Terraform, CI/CD, and cloud-native tooling Deploy secure, reliable, production-grade cloud systems Help drive architectural and tooling decisions in a modern...

Full Stack Engineer Outside IR35 Hybrid – London £650–£700 p/d   SR2 is supporting a central government programme seeking a highly capable Full Stack Engineer to support the modernisation of critical navigational systems. This role is ideal for an engineer with experience in SOLAS-aligned environments and a proven background in delivering robust, scalable software across cloud and legacy ecosystems . The Role You will join a multidisciplinary engineering team responsible for transforming essential maritime safety platforms into modern cloud-native services. The role requires a blend of strong full-stack engineering capability, understanding of maritime data standards, and the ability to work effectively within a complex, regulated environment. You’ll be contributing across front-end, back-end, APIs and integration layers, ensuring the systems are secure, resilient, and fit for operational use.   Core Requirements Essential: Experience delivering software in...

Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across Python, Django and some Java and Rust. This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment and implementing AI work. What You'll Be Doing as a Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Designing and building robust backend services across Python and Django Collaborating with product and platform teams to scale critical infrastructure Contributing to performance optimisation, secure coding, and clean architecture decisions Bringing in best practices across multiple programming...

Full Stack Engineer Outside IR35 Hybrid - London £650-£700 p/d SR2 is supporting a central government programme seeking a highly capable Full Stack Engineer to support the modernisation of critical navigational systems. This role is ideal for an engineer with experience in SOLAS-aligned environments and a proven background in delivering robust, scalable software across cloud and Legacy ecosystems . The Role You will join a multidisciplinary engineering team responsible for transforming essential maritime safety platforms into modern cloud-native services. The role requires a blend of strong full-stack engineering capability, understanding of maritime data standards, and the ability to work effectively within a complex, regulated environment. You'll be contributing across front-end, back-end, APIs and integration layers, ensuring the systems are secure, resilient, and fit for operational use. Core Requirements Essential: Experience delivering software in a SOLAS...

Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across Python, Django and some Java and Rust. This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment and implementing AI work. What You'll Be Doing as a Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Designing and building robust backend services across Python and Django Collaborating with product and platform teams to scale critical infrastructure Contributing to performance optimisation, secure coding, and clean architecture decisions Bringing in best practices across multiple programming...

Lead .NET Engineer - Hybrid - £700/day Outside IR35 | WeathTech Platform | Digital Wealth | Azure | Microservice Architecture We’re seeking a Lead .NET Engineer to join a cutting-edge WealthTech platform on a contract basis. This is a hands-on technical role, driving the development and delivery of high-performance investment and portfolio management solutions. Location: London, hybrid Contract Length: Initially 12 months Day Rate: £700/day Outside IR35 About the Role: As a Lead .NET Engineer, you’ll be responsible for the architecture, development, and deployment of core features on a digital wealth and investment platform. You will work closely with product owners, data teams, and other developers to deliver secure, scalable, and compliant solutions for investors and advisors. Key Responsibilities: Lead the development of. NET-based backend systems for investment, portfolio, and tax-efficient schemes (EIS/SEIS). Design, implement, and...

Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across Python, Django and some Java and Rust. This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment and implementing AI work. What You'll Be Doing as a Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Designing and building robust backend services across Python and Django Collaborating with product and platform teams to scale critical infrastructure Contributing to performance optimisation, secure coding, and clean architecture decisions Bringing in best practices across multiple programming...

Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across Python, Django and some Java and Rust. This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment and implementing AI work. What You'll Be Doing as a Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Designing and building robust backend services across Python and Django Collaborating with product and platform teams to scale critical infrastructure Contributing to performance optimisation, secure coding, and clean architecture decisions Bringing in best practices across multiple programming...