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Engineering Outside IR35 test engineer

20 test engineer jobs found

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 19, 2026  
Air Conditioning Engineer
Location: London Contract: Ongoing Contract Outside IR35 Shift Pattern: Days or Nights available Rate: Up to £330 per shift, dependent on experience and shift pattern & Van, Fuel card provided. We are seeking an experienced Air conditioning engineer to work across a portfolio of commercial sites throughout London. The role will focus primarily on the maintenance and repair of Airedale HVAC and air-conditioning units, requiring strong fault-finding and diagnostic skills. The successful engineer must be comfortable working independently, responding to faults and completing repairs to a high standard. Key Responsibilities * Carry out fault finding and diagnostics on Airedale HVAC units. * Identify mechanical, electrical and refrigeration-related faults. * Complete repairs and replace defective components. * Conduct planned and reactive maintenance. * Test systems following repairs to confirm safe and effective operation. * Record completed works, faults identified and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Aug 15, 2026  
Commissioning & Systems Completion Lead
Commissioning & Systems Completion Lead Position Type: Contract Location: Northumberland Categories: Engineering, CQV PM Group requires a Commissioning Lead will be responsible for monitoring the Principal Contractors (PC) commissioning process and execution of the scope being HVAC, mechanical, electrical, data, BMS, Business Technology (BT) and utility/sprinkler systems. The role ensures systems are commissioned safely, efficiently, timely and in compliance with Project URS, GMP, GxP, FDA, EU GMP, and project-specific requirements. The Commissioning Lead acts as the primary interface with the PC between construction, engineering, CQV, Business Technology (BT) and quality assurance personnel. The commissioning lead will also liaise with client operations/BT, and equipment vendors to assist in the delivery of operational and validated systems from installation through start-up and handover. Note that this role will be full time site based to monitor the progress....
IR35 Status:
Outside IR35

CV-Library North East, UK Contractor
CL
Aug 21, 2026  
Senior Highway Technician
Senior Highway Technician   3-6 Month Contract | Remote | Outside IR35 | £35-£45 per hour   We are currently recruiting for an experienced Senior Highway Technician to join a busy highways design consultancy on an initial 3-6-month initial contract with a longer-term opportunity available.   This is a fully remote opportunity, although the client is based in London and occasional office attendance may be required if needed. The client is open to both full-time and part-time contractors for the right individual.   The role will focus on the delivery of Section 278 highway schemes, supporting the design team by producing high-quality technical drawings and detailed highway designs.   Key Responsibilities   ·Produce detailed highway design drawings for Section 278 schemes. ·Prepare General Arrangements, junction layouts, highway alterations and construction drawings. ·Develop designs using AutoCAD, with Civil 3D used where appropriate. ·Assist with the production of...
IR35 Status:
Outside IR35

CV-Library Central London, London WC2N 5DU, UK Contractor
CL
Aug 21, 2026  
Senior Mechanical / Project Engineer
Senior Mechanical Project Engineer – Contract – West Wales / Hybrid This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the hydrocarbon and clean energy sectors. The role requires a Mechanical and Piping discipline background but also strong Project Engineering skills. Needs a person who is comfortable with both the design and co-ordination aspects of energy projects. Our client is based in West Wales and can accommodate a hybrid working pattern. This role is deemed to be outside IR35. Role & Responsibilities * Interact with Mechanical Package vendors, ensuring compliance with agreed design standards and requirements. * Responsible for bid evaluation and negotiation of vendors for Mechanical and Piping packages. * Also accountable for design specification management throughout the project design phase. * Participate in relevant meetings such as Design Reviews, Model Reviews and HAZIDs. *...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Aug 21, 2026  
Project Design Manager
New contract opportunities are available for Project Design Managers to join a progressive Water Treatment consultancy firm. This is an exciting time to join the business; they have tripled their workforce in the past 12 months and are working with some of the leading water companies and Tier 1 Contractors in the sector. The opportunities offer remote work so can be flexible in location so long as applicants are situated in the UK and must have proof of right to work in the UK. With outside IR35 long-term contracts available. Key Responsibilities of the Project Manager: Lead the design and delivery of wastewater treatment projects from concept to detailed design and construction support. Act as the technical authority for mechanical engineering while providing coordination oversight for civil, electrical, and ICA disciplines. Ensure the design aligns with client specifications, statutory requirements, and industry best practices. Manage and integrate the work of mechanical,...
IR35 Status:
Outside IR35

CV-Library Romford, London Contractor
CL
Aug 21, 2026  
Project Design Manager
New contract opportunities are available for Project Design Managers to join a progressive Water Treatment consultancy firm. This is an exciting time to join the business; they have tripled their workforce in the past 12 months and are working with some of the leading water companies and Tier 1 Contractors in the sector. The opportunities offer remote work so can be flexible in location so long as applicants are situated in the UK and must have proof of right to work in the UK. With outside IR35 long-term contracts available. Key Responsibilities of the Project Manager: Lead the design and delivery of wastewater treatment projects from concept to detailed design and construction support. Act as the technical authority for mechanical engineering while providing coordination oversight for civil, electrical, and ICA disciplines. Ensure the design aligns with client specifications, statutory requirements, and industry best practices. Manage and integrate the work of mechanical,...
IR35 Status:
Outside IR35

CV-Library Durham, County Durham Contractor
CL
Aug 21, 2026  
Project Design Manager
New contract opportunities are available for Project Design Managers to join a progressive Water Treatment consultancy firm. This is an exciting time to join the business; they have tripled their workforce in the past 12 months and are working with some of the leading water companies and Tier 1 Contractors in the sector. The opportunities offer remote work so can be flexible in location so long as applicants are situated in the UK and must have proof of right to work in the UK. With outside IR35 long-term contracts available. Key Responsibilities of the Project Manager: Lead the design and delivery of wastewater treatment projects from concept to detailed design and construction support. Act as the technical authority for mechanical engineering while providing coordination oversight for civil, electrical, and ICA disciplines. Ensure the design aligns with client specifications, statutory requirements, and industry best practices. Manage and integrate the work of mechanical,...
IR35 Status:
Outside IR35

CV-Library Salford, Greater Manchester Contractor
CL
Aug 21, 2026  
DVA Engineer
Dimensional Variation Engineer/ DVA (3DCS) - Contract Remote | ⏳ Contract 6 Months (Outside IR35) We are supporting a leading automotive OEM in the search for an experienced Dimensional Variation Engineer (DVA) with strong 3DCS tolerance analysis expertise to support the delivery of a new vehicle programme. This role plays a critical part in ensuring vehicle‑level dimensional quality, supporting concept validation, gap & flush performance, and robust dimensional control from early concept through to engineering release. The Role As a Dimensional Variation Engineer, you will apply 3D Design Variation Analysis (DVA) techniques to validate multiple vehicle concepts and ensure the optimal complete vehicle solution is delivered against aesthetic, functional and quality targets. Working closely with Perceived Quality, Design, Manufacturing and Vehicle Engineering teams, you will help define and govern the vehicle dimensional control strategy across both exterior and interior...
IR35 Status:
Outside IR35

CV-Library Bicester, UK Contractor
CL
Aug 20, 2026  
Maintenance Engineer
Maintenance Engineer (Contract) Gloucester - 4on4off Nights £40.00 per hour (Outside IR35) Are you a skilled Maintenance Engineer looking to boost your income or fit flexible work around your current schedule? Gap Technical is supporting a range of manufacturing businesses across the Gloucester and Bristol areas with ad-hoc shift cover opportunities. Whether you're looking to increase your earnings, gain exposure to different manufacturing environments, or secure flexible part-time work, we'd like to hear from you. Our Clients We work with leading businesses across: FMCG Packaging Automated Storage and DistributionKey Responsibilities Respond quickly to equipment breakdowns and carry out planned preventative maintenance. Diagnose and resolve electrical and mechanical faults efficiently. Work closely with production and operations teams to minimise downtime. Conduct Root Cause Analysis to improve machine reliability and support continuous improvement initiatives. Maintain...
IR35 Status:
Outside IR35

CV-Library Gloucestershire, UK Contractor
CL
Aug 20, 2026  
Principal C&I Engineer
Principal Control & Instrumentation Engineer Nuclear Sector | FEED Project | Leading Engineering Consultancy | Hybrid | Long-term Contract | Outside IR35 | Competitive Rate The Opportunity We're recruiting a Principal Control & Instrumentation Engineer to deliver key design elements on an exciting Front End Engineering Design (FEED) project in the nuclear sector. You'll combine technical leadership with hands-on design production, managing technical resources, driving project delivery, ensuring compliance and quality, and acting as the contact for the C&I discipline team and end client. Contract Details: Outside IR35 | Competitive rate | Hybrid working | Long-term contract | Nuclear FEED project This is a senior technical role. You'll execute hands-on design work, and interface with delivery teams, clients and stakeholders. You'll drive progress on complex technical challenges, maintain quality standards, and ensure projects deliver on company and client promises....
IR35 Status:
Outside IR35

CV-Library Chester, UK Contractor
CL
Aug 19, 2026  
Maintenance Enigneer
Electrical Maintenance Engineer (Contract) Location: Manchester Rate: £40.00 per hour - Outside IR35 Shift Pattern: 3 Shift Rotation (Mornings, Afternoons & Nights) Gap Technical is recruiting on behalf of a leading manufacturing business for an experienced Electrical Maintenance Engineer to join their engineering team on a contract basis in Manchester. This is an excellent opportunity for a hands-on engineer with a strong electrical maintenance background to support the reliability, performance and continuous improvement of production machinery within a fast-paced manufacturing environment, working a 3-shift rotating pattern. The Role Reporting to the Engineering Manager, you will be responsible for carrying out planned and reactive electrical maintenance, fault finding, repairs and continuous improvement activities across a range of automated production equipment. You'll play a key role in minimising downtime and ensuring equipment operates safely and efficiently....
IR35 Status:
Outside IR35

CV-Library Middleton, Greater Manchester Contractor
CL
Aug 19, 2026  
Contract Senior Structural Engineer
Contract Senior Structural Engineer London Immediate Start Outside IR35 Mix of Design and Structural Inspection £45-50 p/h Ltd   Contract Senior Structural Engineer   A well-established firm of London based civil and structural engineers requires an experienced Senior Structural Engineer for a long term Outside IR35 contract assignment.   Our client undertakes a mix of work (high-rise building design work, structural assessment, inspection and report writing).  Due to a number of significant project wins our client needs external contractor help and can offer a long term assignment.   The successful applicant will need to have a minimum of 10 years industry experience and be able to demonstrate and excellent track record of building design work in the UK.  Due to the fast paced nature of our clients work you will need to have excellent organisational and communication skills.   On offer is a rate of between £45-50 p/h experience dependant.  Our client will require 2-3 days in the...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Aug 15, 2026  
Project Controls Engineer
Project Controls Engineer Location: South West England Sector: Pharmaceuticals Type: Contract (Outside IR35) About PM Group PM Group is an employee-owned, international project delivery firm with a 50-year track record of delivering complex, capital-intensive projects across the life sciences, food, mission-critical, and advanced manufacturing sectors. The Opportunity We are seeking an experienced Project Controls Engineer to lead planning, cost management and reporting for a pharmaceutical manufacturing client based in the South West. You will be responsible for leading and overseeing cost management systems, forecasting, and providing management with planning/cost reports and areas for improvement. Key Responsibilities * Lead planning, cost control, and reporting processes * Establish robust forecasting and performance measurement systems * Manage risk registers and change control procedures * Provide clear, accurate performance reporting to management team...
IR35 Status:
Outside IR35

CV-Library South West England, UK Contractor
CL
Aug 01, 2026  
HGV Technician / HGV Mechanic / HGV Fitter - *contractor
Job Description: We are looking for self-employed HGV Technicians (HGV Mechanic / HGV Fitter) Location: Livingston Pay Rate: £34 - £35 per hour Outside IR35 Do one of these roles describe you? Do you feel undervalued your current role? Are you an experienced HGV Mechanic with a level 3 qualification or equivalent? Why not come join our team of engineers here at Excel Resourcing, we specialise in supporting several blue-chip clients who operate in the road transport industry. Benefits in working for Excel: * Weekly Pay: * Long-term contracting work * Product Training provided * Minimum Hourly Rate of £34 These roles involve: * Carrying out routine maintenance and repairs on all makes of HGV. * Diagnosing and rectifying all types of HGV faults * Ensuring all vehicles worked upon are handled carefully and that the relevant precautions are taken whilst on the premises. * Liaising with the parts department to attain correct parts. * Ensuring health & safety...
IR35 Status:
Outside IR35

CV-Library Livingston, West Lothian Contractor
CL
Jul 31, 2026  
Senior Electrical Engineer
Location: West Wales This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the Oil & Gas, Petrochemical, Renewable Energy and Nuclear sectors. Our client will consider applicants for either a staff or contract position – for a contractor the role will be outside IR35. Role & Responsibilities * Undertake design and checking of deliverables according to discipline and area of expertise. * Checking the quality of subcontractor design work to ensure compliance with agreed client design specifications. * Preparation and checking of deliverables including drawings, schedules, datasheets, specifications, (input to control philosophies and narratives if applicable). * Must understand wiring diagrams, control logic diagrams, system descriptions, system calculations, 1-line and 3-line AC drawings, AC & DC schematics, and be able to size equipment and perform cable sizing calculations * Participation...
IR35 Status:
Outside IR35

CV-Library Burton Ferry, Pembrokeshire Contractor
CL
Jul 31, 2026  
Senior / Principal C&I Engineer
Senior / Principal C&I Engineer – Contract Location: West Wales This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the Oil & Gas, Petrochemical, Renewable Energy, and Hydrogen sectors. TUV Certified status would be a bonus, though not essential. Role & Responsibilities * Undertaking work providing Process Engineering support to a range of CAPEX and OPEX projects. * Performing safety specification and certification of safety instrumented systems. * Carry out SIL Verification using simplified equations. * Undertake design and checking of deliverables according to discipline and area of expertise. * Checking the quality of design work to ensure compliance with agreed client design specifications. * Preparation and checking of deliverables including drawings, schedules, datasheets, specifications, (input to control philosophies and narratives if applicable). * Development of C&I...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Jul 31, 2026  
Senior Electrical Engineer (hybrid working)
Senior Electrical Engineer – Contract – Remote Location: Remote / Hybrid Location: Hybrid This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the Oil & Gas, Petrochemical and Renewable Energy sectors. Our client can accommodate a hybrid working pattern with alternate weeks wfh / in the office in West Wales. The role will be outside IR35. Role & Responsibilities * Undertake design and checking of deliverables according to discipline and area of expertise. * Checking the quality of subcontractor design work to ensure compliance with agreed client design specifications. * Preparation and checking of deliverables including drawings, schedules, datasheets, specifications, (input to control philosophies and narratives if applicable). * Must understand wiring diagrams, control logic diagrams, system descriptions, system calculations, 1-line and 3-line AC drawings, AC & DC schematics, and be able to...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
May 12, 2026  
BMS Commissioning Engineering
BMS Commissioning Engineer, Tridium, Trend or Siemens Immediate start 4 - 6 month contract £300 - £360 per day Our client requires an accomplished BMS Commissioning Engineer with Tridium, Trend or Siemens Building Management Controls experience to join their team on either a project in London or a site in Hertforshire . There are several roles and projects currently available in: the City, East London and also in Hertfordshire, the best site would depend on your location and experience for each project. This is on a contract basis and will initially run for 4 to 6  months. To start immediately and is likely to be extended on a rolling basis.  This position could also be as the Lead Commissioning Engineer if you have the right experience and the rate would then reflect this. Key skills required:- Experienced in the Commissioning of Building Management Systems ( BMS ) Qualified and experienced with Tridium ,Trend or Siemens Control systems. CSCS Skill Card or equivalent is...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 12, 2026  
BMS Service Engineer
We have a fantastic opportunity for a proficient BMS Service Engineer to join a well-established building controls business working on multiple contracts in London on a contract basis. This contract position offers an excellent hourly rate paid weekly ( outside IR35) Company Profile Our client is a household name in the world of BMS providing full turnkey solutions to the Building Energy Management sector since the late 90’s. With their wealth of expertise, they are able to secure projects of all size and type and deliver a best-in-class service from design all the way to end user handover. The Role of the BMS Service Engineer As a BMS Service Engineer you will be responsible for the pre-planned and reactive maintenance of Building Management Systems, predominantly across London. You will have in-depth knowledge of BMS (Building Management Systems) hardware including fault finding, wiring and networking. You will possess the knowledge and experience to be involved with small...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
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