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Contractor 43
Inside IR35 test development engineer

43 test development engineer jobs found

CL
May 01, 2026  
Test Development Engineer
World Class Defence Organisation is currently looking to recruit a Test Development Engineer on an initial 6 month contract.  The role will be a hybrid position of 50 / 50 time spent onsite.   Rate: £50.00 per hour Location: Stevenage Hybrid / Remote working: The role will be a hybrid position of 50 / 50 time spent onsite Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)   Test Development Engineer Job Description: The Test Equipment Hardware Design Capability group is a function home to the engineers working as part of the Test Equipment Centre of Excellence (TE CofEx), within Electronic Engineering (EE) Directorate. The EE Directorate is part of the wider Operations Directorate and forms part of Greater Engineering (Engineering, Operations and Programmes Directorate). Prepare specifications & develop...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jun 26, 2026  
Hardware Engineer (Test Equipment)
Test Equipment Sustainment Engineer Location: Cheltenham (4 days per-week onsite) Duration: 12 Month initial contract Rate: Negotiable on experience Inside IR35 Our client, a reputable leader in aviation electric power engineering, is hiring a dedicated Test Equipment Sustainment Engineer to join their team in Cheltenham. This is a fantastic opportunity to contribute to critical projects, ensuring the seamless transition and sustained performance of test equipment in a high-tech environment. What you'll be doing: * Lead the transfer of test equipment and supporting documentation from engineering to supply chain. * Manage reliability and yield improvement projects to optimise test equipment performance. * Update documentation and drawings in line with company standards. * Provide technical guidance to test systems teams and stakeholders. * Mentor junior engineers and support continuous improvement initiatives. * Ensure safety compliance within engineering labs. * Support...
IR35 Status:
Inside IR35

CV-Library Cheltenham, Gloucestershire Contractor
CL
Jun 26, 2026  
Application Software Engineer C
Application Software Engineer C++ JOB LOCATION: BRISTOL SECURITY CLEARANCE LEVEL: SC to Start DURATION: 12+ Months (Extension Possible) WORK PATTERN: Full Time ONSITE (Compressed Option Available) - Could be flex every now & then (work dependent). RATE: £ 65.00 Per hr on Umbrella (Inside IR35) TARGET INDUSTRIES AND COMPANIES. Is Defence a must? If not what industries can be considered Preferable for Defence/Aero; not essential if skill sets are apparent from others (Mathematics/algorithm background). ALTERNATIVE JOB TITLES IN OTHER COMPANIES OR INDUSTRIES - Essential Skillset & Tools * Strong experience in C++ application development. * A strong background in software engineering, its realisation and system wide impact. * Experience in CI/CD pipelines, GitLab, Docker. * Experience of developing software for virtual environments. Overview: * The team is implementing a demonstration system for a complex new Command and Control application, which...
IR35 Status:
Inside IR35

CV-Library Bristol, City of Bristol Contractor
CL
Jun 25, 2026  
DIG PNT Test Engineer
V06069 – DIG – PNT Test Engineer Filton 1 position (part time)  This role will be 60-80 days over a 6 months period starting in October 2026 Full time on site SC Subject to ITAR Inside IR35 Role Description We are looking to recruit a Test Engineer to conduct comprehensive testing of Positioning, Navigation and Timing (PNT) equipment. This role supports the validation, verification, and performance assessment of PNT systems to ensure operational reliability and compliance with mandated standards. This is a 6-month (0.5 FTE) role commencing October. Flexibility to adjust working days within the week may be required to meet testing schedules. Your primary place of work will be Filton, Bristol, but you will be expected to travel to various UK locations to engage with end-users and conduct test events on a regular basis. It is envisaged there will be up to 3 weeks of overseas travel. Core Duties Typical duties include (but are not limited to): ·...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 25, 2026  
Software Engineer
World Class Defence Organisation based in Bristol is currently looking to recruit 3x Software Engineer subcontractor on an initial 12 month contract, with very likely extension.  The role will be onsite 4 days per week.  A 4 day working week is OK (Monday to Thursday).   Rate: £65.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bristol Hybrid / Remote working: The role will be onsite 4 days per week. A 4 day working week is OK (Monday to Thursday).  Possibility of some remote working (project dependant) Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Job Description: The role is within a team implementing a demonstration system for a complex new Command and Control capability, this extends existing concepts and logic. If the demonstration is successful, it may develop...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 25, 2026  
Application Software Engineer
Application Software Engineer 12-month contract Onsite in Bristol SC must be in place prior io starting £65ph, UMB, inside IR35 Our client, a leading organisation in the Defence & Security sector, is currently seeking an Application Software Engineer for a contract position in Bristol. This role involves participating in the development and testing of a Command and Control application system, with the potential for significant impact on future projects if the demonstration is successful. Key Responsibilities: Developing application-level software, including sophisticated business logic Collaborating with internal algorithm teams to integrate algorithms and test complex transformation logic Implementing and integrating interfaces with other subsystems and external simulators Building and extending components within an existing software application framework Deploying applications into a virtualised test environment Ensuring software solutions meet system requirements within...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 25, 2026  
Mechanical Development Engineer
A contract position Inside IR35 On site in West Sussex Our client, a leading consultancy in the automotive sector, is currently seeking a Mechanical Development Engineer to join their team. This contract role demands a solid understanding of automotive components, systems, and associated vehicle parts. Proven Powertrain experience is essential and ideally knowledge on transmissions. The role involves close collaboration with OEMs, suppliers, and test, design, and analysis teams to define testing plans, analyse results, and recommend design changes. Projects may require working independently or as part of a cross-functional international team. Key Responsibilities: Managing teams and preparing proposals Understanding product development processes for powertrains and transmissions Developing system and component specifications Conducting rig and system validation testing Utilising instrumentation and data capture tools Conducting FMEAs and preparing DVPs (Design Validation...
IR35 Status:
Inside IR35

CV-Library West Sussex, UK Contractor
CL
Jun 25, 2026  
Electrical Engineer
Role: Resident Electrical Engineer Location: Plymouth Duration: 12 months Rate: DOE Inside IR35: Umbrella The purpose : Ensure the delivery of site Quality by managing, providing advice and support, and witnessing the installation and commissioning process through construction works in the submarine refit complex. Primary focus will be Electrical activity. You will be accountable to the Lead Construction Manager for day to day planning matters. You will assist the construction and Project team by providing advice and communicating with contractors and relevant internal stakeholders to resolve site issues/ Technical Queries during construction in line with contract timescales. You will ensure the contractor adheres to the Scope of works and Change requests. You will undertake and record inspections to ensure adherence to scope and integrated test plans. Responsibilties Ensure the delivery of site Quality by managing, providing advice and support, and witnessing the...
IR35 Status:
Inside IR35

CV-Library Plymouth, Devon Contractor
CL
Jun 21, 2026  
Junior Connected Services Validation Engineer
Junior Connected Services Validation Engineer - JP1006 - from £23.47/hr PAYE rate Step into an exciting opportunity as a Junior Connected Services Validation Engineer and be part of a role that combines innovation, collaboration, and cutting-edge technology. This position offers the chance to work in a dynamic industry, where your contributions will directly impact the future of connected vehicle technology. With a competitive hourly rate of £23.47 - £27.94 PAYE (dependent on experience) and the chance to immerse yourself in a forward-thinking environment, this role is ideal for someone looking to grow their career while working on groundbreaking projects. What You Will Do: - Perform end-to-end vehicle validation for connected car services using mobile and smartwatch platforms. - Prepare and ensure availability of required test resources prior to validation execution. - Raise and track incident tickets in the incident management system through to closure. - Assist in triage...
IR35 Status:
Inside IR35

CV-Library Milton Keynes, UK Contractor
CL
Jun 21, 2026  
Software Test Engineer
World Class Defence Organisation is currently looking to recruit a Software Test Engineer subcontractor on an initial 12 month contract. Rate: £65.00 per hour Location: Stevenage Hybrid / Remote working: 4 days a week likely onsite.  A compressed 4 day week (Monday to Thursday) a possibility. Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Software Test Engineer Job Description: An exciting opportunity to work as a Software Testing Engineer within the Environment Simulators team based in our Stevenage office with our simulation developers.  The Simulation Software department is at the forefront of developing simulations for the Weapon System and sub-systems teams using the full development life cycle and agile methodologies.  Our simulations follow best practices and capability to ensure our products...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jun 20, 2026  
Lead Engineer - Cockpit Interior Systems
Order Ref: (phone number removed) Position Title: Off-Cycle Lead Engineer / Lead Engineer - Cockpit Interior Systems Duration: Contract - 10 Months Location: Gaydon OEM Rate: £27.21 per hour (Inside IR35) Duties: The purpose of this role is to drive the off-cycle engineering activities associated with Cockpit a-surface parts including trim, finisher and veneers. Off cycle teams are not typically aligned to vehicle programme timing, they are given the time and remit to drive short, medium and long term activities dedicated to growing the "body of knowledge" for Trim and a-surface Cockpit parts. This typically includes authoring and updating Bills of Design and DFMEA's, defining and progressing innovation and technology projects, writing commodity strategies and supporting Programme teams with in depth knowledge of their trim and a-surface parts. This may include support with resolving quality issues as well as some level of part releasing. Off-Cycle Lead Engineers will...
IR35 Status:
Inside IR35

CV-Library Warwick, Warwickshire Contractor
CL
Jun 20, 2026  
Electrical/Avionics Design Engineer
Line Up Aviation is a specialist aviation and aerospace recruitment company that has been operating worldwide for more than 35 years. We work with some of the industry's best-known companies who demand the highest standard of service. On behalf of our client, a global aircraft manufacturer, we are currently recruiting an Electrical/Avionics Design Engineer with recent experience of working within an EASA Part 21 Design organisation. To be successful in your application you will need to hold UK working rights at the time of application, sponsorship is not available. Job Title: Electrical/Avionics Design Engineer Location: Frimley, UK, Hybrid working available 3 days in office. Employment Type: Contract initially a 12-month period. Working time: Mon -Friday only Package: Competitive hourly Rate, Inside IR35 (umbrella) This role will require occasional national and/or international travel to visit teammates, customers and subcontractors. Scope of Role Join a...
IR35 Status:
Inside IR35

CV-Library Frimley, Surrey Contractor
CL
Jun 17, 2026  
Project Engineer
World Class Defence Organisation based in Bristol is currently looking to recruit a Project Engineer subcontractor on an initial 12 month contract.   Rate: £50.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bristol Hybrid / Remote working: circa 4 days onsite Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Project Engineer Job Description: WSSE are integral in the development of weapon systems and system architectures, and as a result we have developed a capability supporting developments across the full product life cycle. The team integrate real products, models and synthetic environments to provide visualisations, demonstrations, verification & validation as well as training capability and support. Responsibilities: The role is to support the delivery of...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
May 24, 2026  
Electronics Design Engineer (HV Design)
We are recruiting for an Electronics Design Engineer (HV Design) to join our London-based manufacturing client in 6-month rolling contract role inside IR35 (through umbrella). As an Electronics Design Engineer (HV Design), you will be responsible for providing high-voltage (HV) design expertise, including creepage and clearance considerations, as well as validation activities. You will assess and develop solutions for HV clearance challenges at the PFE level and within HV switch designs. THE SUCCESSFUL APPLICANT * Degree in electrical/electronic engineering; at least 8 years of experience. * Must have end to end HW product development experience involving complex electronics with deep knowledge and strong hands-on experience in: * Power electronics (DC-DC converters up to 5kW, HVDC systems). * High-voltage engineering (design, validation, standards compliance). * Thermal/mechanical integration for high-power systems. * Experience in electronics design within a regulated...
IR35 Status:
Inside IR35

CV-Library SE10, Peninsula, Greater London Contractor
CL
May 23, 2026  
FPGA Design Engineer
World Class Defence Organisation is currently looking to recruit 3x FPGA Design Engineer Subcontractors on an initial 12 month contract.   Rate: £90.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage or Bristol depending on your preference Hybrid / Remote working: Hybrid working of 3 days per week onsite Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   FPGA Design Engineer Job Description:    For this role, we are seeking an experienced FPGA design and verification engineer (~4+ years), to support the development of our growing portfolio of complex FPGA projects. The current portfolio ranges from advanced signal processing systems (ImageRadio), core embedded processing systems, through to safety & security critical systems. Responsibilities: The role...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
May 23, 2026  
FPGA Design Engineer
World Class Defence Organisation is currently looking to recruit 3x FPGA Design Engineer Subcontractors on an initial 12 month contract.   Rate: £90.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage or Bristol depending on your preference Hybrid / Remote working: Hybrid working of 3 days per week onsite Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   FPGA Design Engineer Job Description:    For this role, we are seeking an experienced FPGA design and verification engineer (~4+ years), to support the development of our growing portfolio of complex FPGA projects. The current portfolio ranges from advanced signal processing systems (ImageRadio), core embedded processing systems, through to safety & security critical systems. Responsibilities: The role...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
May 21, 2026  
Test Equipment Design Support Engineer
World Class Defence Organisation based in Bolton is currently looking to recruit 2x Test Equipment Design Support Engineer subcontractors on an initial 6 month contract.     This role would suit a candidate who comes from a strong Electronics Engineer OR Production Support Engineer OR Test Systems Designer OR Electronics Design Engineer background.   Rate: £65.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bolton Hybrid / Remote working: 4-5 days a week onsite (possible for remote work occasionally).  The department are happy for a Compressed week to be worked, for 4 days per week (Monday to Thursday) Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella)   Test Equipment Design Support Engineer Job Description:   We have a phenomenal opportunity for experienced Electronic Design Engineers to play a leading role in the...
IR35 Status:
Inside IR35

CV-Library Bolton, UK Contractor
CL
May 01, 2026  
Missile Test Architect
World Class Defence Organisation is currently looking to recruit 2x Missile Test Architect subcontractors on an initial 6 month contract.    Rate: £60.00 per hour Location: Stevenage or Bolton (depending on your preference)   Hybrid / Remote working: This role is a hybrid role, 1-2 days a week possibly in lab up to 3 in first weeks Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Missile Test Architect Job Description: The department are looking for experienced test equipment engineers that want to use their knowledge in a system/sub system management role. The role includes determining the project test equipment needs, managing the requirements for test equipment and managing the development through delivery and into service. In this role, you will be responsible for the projects test equipment and...
IR35 Status:
Inside IR35

CV-Library Bolton, UK Contractor
CL
Apr 18, 2026  
C++ Application Software Engineer
World Class Defence Organisation is currently looking to recruit 3x C++ Application Software Engineer subcontractors on an initial 12 month contract.     This role requires: Strong experience in C++ application development. A strong background in software engineering, its realisation and system wide impact. Experience in CI/CD pipelines, GitLab, Docker. Experience of developing software for virtual environments.  Rate: £65.00 per hour Location: Bristol Hybrid / Remote working: The role will likely be onsite – a compressed 4 day week (Monday to Thursday is fine).  There may be some scope for hybrid working (project dependent). Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Apr 18, 2026  
Embedded Software Engineer
World Class Defence Organisation is currently looking to recruit 2x Embedded Software Engineer subcontractors on an initial 6 month contract.     Rate: £68.00 per hour Location: Bristol Hybrid / Remote working: The role will be onsite – a compressed 4 day week (Monday to Thursday is fine) Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)                                                                                                                                           Interview Process: One stage Video Interview Embedded Software Engineer Job Description: We are a world leader in missile and missile systems, seeking a highly capable and adaptable Embedded Software Engineer to join our Development Facility in Bristol. As part of our growing dynamic Software team, you will develop the latest...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
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