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Contractor 201
Engineering test engineer

201 test engineer jobs found

CL
Aug 23, 2026  
Mechanical Assembly Test Engineer
A leading global technology company in the energy sector is seeking a Mechanical Assembly Test Engineer to join its on-site operations team in Cumbria. In this role, you will be responsible for performing a range of technical and mechanical tasks to support production, assembly, and testing processes. You will contribute to maintaining high quality standards and continuous improvement across manufacturing operations. Responsibilities Perform technical duties across mechanical, electronic, and system-based projects. Conduct testing, measurements, and process controls on key production lines. Read and interpret engineering drawings and job documentation ( work orders, bills of materials). Troubleshoot and repair product or process issues. Maintain tools, machinery, and equipment to ensure operational efficiency. Support continuous improvement using modern manufacturing principles. Skills Hands on experience in mechanical assembly, testing, or manufacturing environments....
IR35 Status:
Unknown Status

CV-Library Barrow-in-Furness, UK Contractor
CL
Aug 21, 2026  
Quality Performance Test Engineer
Hays are now looking for a Quality Engineer / Performance Tester for one of our local clients: £310 p/d Inside IR35 3 days p/w in the office, 2 WFH Location is one of either London, Manchester or Leicester We're looking for strong experience in performance and non-functional testing to support the delivery of large-scale digital services. The role will focus on ensuring applications are scalable, reliable and performant through a combination of performance testing, API testing and quality engineering practices. What you'll be doing Design, develop and execute performance, load, stress and endurance testing activities. Build and maintain JMeter test scripts and performance test frameworks. Perform API testing and validate system behaviour under varying loads. Analyse performance metrics, identify bottlenecks and provide recommendations for improvement. Work closely with developers, architects and delivery teams to resolve performance issues. Support CI/CD pipelines and integrate...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 30, 2026  
Test Engineer ( Hardware)
Established, globally recognised aerospace components and systems manufacturer is seeking an experienced Mechanical/Electrical Test Engineer to join its highly regarded team of engineers on a six-month basis. You will be responsible for the testing and qualification of existing and new products to ensure they meet specification and approval requirements prior to reporting findings. The role will primarily focus on testing electrical components from a new supplier, including electrical connectivity testing. In addition, you will carry out a range of tests across multiple product lines, including temperature, fluid resistance, and pressure testing. Candidates must be able to use equipment such as a multimeter, digital transducer, and tensile test machine. You will also support the development team by suggesting improvements, providing feedback to engineers and departmental leads, and ensuring adherence to industry codes and standards, maintaining the highest levels of accuracy and...
IR35 Status:
Unknown Status

CV-Library Slough, Berkshire Contractor
CL
Aug 23, 2026  
Test Development Engineer
We are recruiting for a talented Hardware Design Engineer to join our client's Test Equipment Hardware Design Capability team on a 6-month contract. Part of the Test Equipment Centre of Excellence (TE CofEx), this team designs, integrates, and validates innovative test system hardware solutions that support products throughout their lifecycle. This is a fantastic opportunity to contribute to cutting-edge projects, ensure technical excellence, and help drive engineering success. Role: Test Development Engineer Pay: £50 per hour Via Umbrella Location: Stevenage Contract: Monday- Friday, 37 Hours per week, 6 Months Contract IR35 Status: Inside Security Clearance: SC Required however can start on BPSS Essential Responsibilities Prepare specifications & develop designs in line with all quality and technical standards. Develop proposals for investigations & solutions, following investigation and analysis of technical issues. Carry out design appraisals to ensure all...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Aug 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
Aug 23, 2026  
Electrical Engineer
Booth Welsh has an opportunity for 2 Electrical Engineers to work on a client site in North Ayrshire - Exciting project to be a part of and will be expected to last until end of the year (and potentially beyond!). We are looking to hire candidates that come close to matching the following technical specifications - COMPEX 12 trained personnel (desired) Equipment specification verification checks for equipment installed within zoned areas (in review of HAC drawings) HAZI Route preparations Static Earthing / Bonding checks (as per process safety standards) Preparing of Electrical Work Specifications and Test Specifications Kelton Maintenance Manager database update support (in relation to all E&I equipment installed in Hazardous areas) Knowledge/understanding of Process Safety Standards / Electrical compliance. SAP trained (Maintenance transactions). Electrical maintenance and project experience.  Please Note: The IER / Maintenance work scope of electrical requirements has...
IR35 Status:
Unknown Status

CV-Library Dalry, Scotland Contractor
CL
Aug 23, 2026  
Industrial Engineer (Refrigeration & Electrical)
Industrial Engineer - Refrigeration & Electrical Location: Calne, Wiltshire Pay rate: £20.00 - £25.00 p/h DOE Contract: Temporary with intent to become permanent after 6-12 months Hours: Full-time We're recruiting for an experienced Industrial / Production Support Engineer to join an established engineering business in Corsham. This is a technically varied role supporting manufacturing, overhaul, testing, fault finding and new product introduction, acting as the key link between Engineering and Operations. The Role You'll provide specialist engineering support across the workshop, helping resolve complex technical issues, improve processes and introduce new products, equipment and technologies. Key responsibilities include: Advanced fault finding across electrical, refrigeration and HVAC systems. Supporting production, testing and overhaul teams with technical issues. Developing and improving test procedures, work instructions and technical documentation. Supporting...
IR35 Status:
Unknown Status

CV-Library Calne, Wiltshire Contractor
CL
Aug 22, 2026  
Systems Engineer
A company that specialise in electro-mechanical systems for the Automotive / EV industry is seeking to recruit a Systems Engineer to work on a contract based in Surrey that is initially scheduled for 6 months, Outside IR35. The Role This is an exciting opportunity to support the development and specification of next-generation products within a complex engineering environment. The successful candidate will work alongside senior engineering team members to apply structured systems engineering principles, supporting the delivery of safe, secure, and innovative solutions in line with industry standards, including ISO 26262 Functional Safety and ISO 21434 Cybersecurity. The role requires a strong understanding of systems engineering methodologies, with experience in defining, analysing, and refining end-to-end system architectures. You will contribute to the development of clear system requirements, support architectural design decisions, and provide technical justification...
IR35 Status:
Outside IR35

CV-Library Surrey, UK Contractor
CL
Aug 22, 2026  
Warranty Technician (Rolling Stock)
Job Title: Warranty Technician (Rolling Stock) Job Location: Bletchley Hourly Pay Rate: £28.36 PAYE / £ 37.00 Umbrella Shifts: 12-hour shifts Shift Pattern: Mon - Thurs Duration: On-going contract Start Date: ASAP Industries considered: Rail, Rolling Stock, RAF, REME, Army, Navy, Marine, Avionics, Rolling Stock, Commercial/Industrial Electrics, Defence, Plant Engineering, SPM, HVAC, and Process Engineering Disciplines considered: Diesel Engine Fitter, Electrical Engineer / Mechanical Engineer, Mechanic, Avionic Technician, Aircraft Engineer, Marine Engineer, Maintenance Fitter, and Breakdown Engineer Client Summary: A world-renowned Rolling Stock vehicle manufacturing, service and maintenance company and is the number one provider of rail solutions in the world. This prestigious company is also the largest rolling stock manufacturer and provider in the UK and employs over 70,000 employees in...
IR35 Status:
Unknown Status

CV-Library Bletchley, Buckinghamshire Contractor
CL
Aug 22, 2026  
Systems Engineer
Systems Engineer Location: Gloucester This is an exciting opportunity for a Systems Engineer to join a growing engineering team in Gloucester. Working on cutting-edge aerospace programmes, you will play a key role in the development, analysis and validation of aircraft landing gear systems, supporting everything from research and technology projects through to full product development and in-service support. This is an exciting opportunity for an engineer with a passion for systems analysis, simulation and integration to contribute to innovative solutions within a highly regulated and technically challenging environment. What You'll Be Doing As a Systems Engineer, you will work across complex mechanical and hydraulic aircraft systems, helping to ensure products meet performance, safety and certification requirements throughout the development lifecycle. Key responsibilities include: Developing computational models and conducting system simulations Performing static and...
IR35 Status:
Unknown Status

CV-Library Gloucester, Gloucestershire Contractor
CL
Aug 22, 2026  
Heavy Mechanical Technician - Rolling Stock
I am recruiting an experienced Mechanical Technicians to join a major rolling stock modification project in Burton-on-Trent. No previous rail experience is required. Job title: Heavy Mechanical Technician Job location: Burton-On-Trent Hourly pay rate: £22.50 Paye / £29.28 Umbrella Hours per week: Average 45 hours per week Shifts: Monday to Friday Days and Nights Industries considered: Rolling Stock, HGV, Plant, Agricultural Engineering, Aviation, Defence RAF, REME, Army, Navy, Marine, Avionics, and Process Engineering Disciplines considered: Diesel Engine Fitter, Mechanical Engineer, Mechanic, HGV Technician, Aircraft Engineer, Marine Engineer, Maintenance Fitter, and Breakdown Engineer Position Summary: This position will be completing heavy mechanical modifications of Rolling Stock Vehicles 221 and 170 units. You will be expected to complete tasks from written work instruction, including Mechanical strips and refits on components. You will also specifically work on...
IR35 Status:
Unknown Status

CV-Library Burton-On-Trent, Staffordshire Contractor
CL
Aug 22, 2026  
Development Engineer
Contract Development Engineer - Inside IR35 - 12 Month Contract South Wales - On-site Rate dependent on experience Yolk Recruitment is supporting a global engineering business with an established customer base of major blue-chip manufacturers, and a track record of offering long-term contract opportunities in a professional, stable and positive working environment. This is a 12 month contract with a further 12 months very realistic, on site, supporting a live long-term programme, with further work behind it. You'll be working to validate and verify mechanical components and assemblies, with a mix of theoretical analysis and hands on strip down of components, determining and coordinating test activities, reviewing results, investigating failures and feeding finds back into the wider engineering team. You'll need a mechanical engineering or related degree with strong theoretical knowledge, will be able to read engineering drawings including GD&T and will be used to creating...
IR35 Status:
Inside IR35

CV-Library Cwmbran, Torfaen Contractor
CL
Aug 22, 2026  
HV Commissioning Engineer
HV Commissioning Engineer required to work on a Wastewater Treatment (WWTW) scheme in Wrexham, Wales. Duration is likely to be 3 - 4 weeks with potential extension or the possibility of moving on to other projects. The role will involve the commissioning and testing (primary and secondary injection) of HV systems, including protection, switchboards, busbars, line differential, G99 etc. Previous experience as an HV Commissioning Engineer (up to 33kV) is essential, with a focus on the commissioning of HV protection systems. Familiarity with standard software, such as Siprotec and Omicron, is also required. All test equipment, laptop and software will be provided, although the Commissioning Engineer is expected to provide their own hand tools. Accommodation, if required, will also be provided. Apply to Andrew Snelgrove at Deploy
IR35 Status:
Unknown Status

CV-Library Wrexham, Clwyd Contractor
CL
Aug 21, 2026  
Contract Manufacturing Engineer
Job Title: Contract Manufacturing Engineer - NPI Location: Loudwater, Buckinghamshire Salary: £40 to £50 per hour  Employment Type: Contract Working Arrangements: Onsite working IR35: This contract does not accept candidates operating through a Personal Service Company (PSC). Therefore, you will be required to work through an Umbrella company. Are you a Contract Manufacturing Engineer - NPI with strong experience in electromechanical product manufacturing, new product introduction, and low–medium volume, high‑value build environments? We have a 6-9 month contract on offer which gives you ownership of taking complex products from prototype through to stable, repeatable production. You’ll join a growing engineering and manufacturing function working on advanced electromechanical and electronic systems, where your work directly shapes how high‑value products are built, scaled, and industrialised.    The Role This is a hands-on Contract Manufacturing Engineer - NPI position...
IR35 Status:
Unknown Status

CV-Library Loudwater, UK Contractor
CL
Aug 21, 2026  
Hardware In The Loop Engineer
Senior engineer, in our Hardware-in-the-Loop Team contract Stevenage based Skillset/experience required: Broad engineering experience with deeper experience in some of the following skill areas: Radio Frequency design or testing System performance analysis Interface debugging and system integration Software design requirements System design for real-time applications Familiarity with Linux operating system Familiarity with computer science (C++ an advantage) Integration of microcontrollers in RF hardware (e.g. Raspberry Pi)Overview of department: We are looking for ambitious engineers with a growth mind-set to join our team. If you are the right person for us, you will seek a supportive environment, surrounded by passionate experts while being a part of a collaborative and driven team. The Hardware-in-the-Loop (HWIL) team conduct the most complete test of missiles other than a firing and Missile test track. We design complex, real-time simulations that surround real missile...
IR35 Status:
Unknown Status

CV-Library Stevenage, Hertfordshire Contractor
CL
Aug 21, 2026  
HTPEM Fuel Cell Design Validation and Testing Engineer
Fuel Cell Design Validation and Testing Engineer Location: Kemble, UK (on-site) Salary/Rate: £55 per hour, 6 month contract Shift Pattern/Working Hours: Standard working week, days This is a contract opportunity with a specialist engineering company working on next generation HTPEM (High Temperature Proton Exchange Membrane) fuel cell systems for electric propulsion applications. The business is scaling up its test and validation function and needs an engineer who can get stuck into stack testing straight away. You'll work closely with design, materials and systems engineering teams on a technology that's central to the future of hydrogen propulsion. This is hands-on work. You'll spend real time at the test bench, not just reviewing data from a desk. Key Responsibilities * Support design validation and verification (DV/V) plans for fuel cell components and assemblies * Plan and run performance, durability and reliability testing under varying operating conditions *...
IR35 Status:
Unknown Status

CV-Library GL7, Tarlton, Gloucestershire Contractor
CL
Aug 21, 2026  
Interconnect Design Engineer
Interconnects Design Engineer - Test Equipment required for long term contract based in Stevenage (preferred) or Bolton Individuals will need to have demonstrable experience in cable/harness/interconnects design, using relevant design packages such as Visio and HarnWare. The ideal candidate will have: A minimum 2 years' experience in the use of Visio and related products (Harnware). A proven ability to define, deploy, and refine processes and best practices within Visio and Harnware. - including; electrical topology, wiring schematics and 2D manufacturing drawing processes and standards. Thorough understanding of product data management and change management within Windchill or similar. The ability to design cable assemblies based upon electrical constraints such as current, screening, signal types, volt drop, EMC and environmental requirements. An appreciation of cable assembly production/process engineering.Due to the nature of our work, experience of military Defence Standards...
IR35 Status:
Unknown Status

CV-Library Stevenage, Hertfordshire Contractor
CL
Aug 21, 2026  
Heavy Mechanical Fitter
DO YOU HAVE HEAVY MECHANICAL FITTING EXPERIENCE - LOOKING FOR A ROLE WITH PROGRESSION - DON'T MIND GETTING YOU HANDS DIRTY AT WORK? Is yes then please read on! Job title: Heavy Mechanical Technician Job location: Burton-On-Trent Hourly pay rate: £22.50 Paye / £29.28 Umbrella Hours per week: Average 45 hours per week Shifts: Monday to Thursday - DAYS only Industries considered: Rolling Stock, HGV, Plant, Agricultural Engineering, Aviation, Defence RAF, REME, Army, Navy, Marine, Avionics, and Process Engineering Disciplines considered: Diesel Engine Fitter, Mechanical Engineer, Mechanic, HGV Technician, Aircraft Engineer, Marine Engineer, Maintenance Fitter, and Breakdown Engineer Position Summary: This position will be completing heavy mechanical modifications of Rolling Stock Vehicles 221 and 170 units. You will be expected to complete tasks from written work instruction, including Mechanical strips and refits on components. You will also specifically work on...
IR35 Status:
Unknown Status

CV-Library Burton-On-Trent, Staffordshire Contractor
CL
Aug 21, 2026  
Air Conditioning Engineer
F-Gas Air Conditioning Installer Location: North London Rate: £250 – £280 per day Overview We are looking for experienced F-Gas Air Conditioning Installers to carry out AC installations across North London Key Responsibilities Install split and multi-split air conditioning systems. Complete pipework, pressure testing, vacuuming, and refrigerant charging. Commission and test systems to manufacturer specifications. Ensure all work complies with F-Gas regulations and Health & Safety standards. Complete installation and commissioning paperwork. Maintain high standards of workmanship and customer service. Work independently and manage installation schedules effectively. Skills & Experience Minimum 3 years' experience installing air conditioning systems. Valid F-Gas certification. Strong experience with AC installation and commissioning. Competent with pressure testing, vacuuming, and refrigerant charging. Clean DBS Full UK driving licence Package £250 – £280 per installation...
IR35 Status:
Unknown Status

CV-Library Norwich, Norfolk Contractor
CL
Aug 21, 2026  
Air Conditioning Engineer
F-Gas Air Conditioning Installer Location: North London Rate: £250 – £280 per day Overview We are looking for experienced F-Gas Air Conditioning Installers to carry out AC installations across North London Key Responsibilities Install split and multi-split air conditioning systems. Complete pipework, pressure testing, vacuuming, and refrigerant charging. Commission and test systems to manufacturer specifications. Ensure all work complies with F-Gas regulations and Health & Safety standards. Complete installation and commissioning paperwork. Maintain high standards of workmanship and customer service. Work independently and manage installation schedules effectively. Skills & Experience Minimum 3 years' experience installing air conditioning systems. Valid F-Gas certification. Strong experience with AC installation and commissioning. Competent with pressure testing, vacuuming, and refrigerant charging. Clean DBS Full UK driving licence Package £250 – £280 per installation...
IR35 Status:
Unknown Status

CV-Library Cardiff, South Glamorgan Contractor
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