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Contractor 15
Inside IR35 commissioning engineer

15 commissioning engineer jobs found

CL
Jun 14, 2026  
Commissioning Engineer
Role: Commissioning Engineer Location: East Midlands Reason for vacancy: AMP 8 work IR35: Inside Projects: WwTW, large project Start date: ASAP Skills: Electrical commissioning, WwTW, CSCS/ECS, Tier 1 experience Length: 12 months initial, strong likelihood to extend
IR35 Status:
Inside IR35

CV-Library United Kingdom Contractor
CL
May 14, 2026  
Commissioning Engineer Mechanical
Commissioning Engineer (Mechanically Biased) Warrington Contract until Jan 2027 Inside IR35   Responsibilities The Commissioning Engineer reporting to the Commissioning Team Leader, carries out a role to undertake delivery of assigned commissioning tasks in a safe and effective manner, in line with commissioning process requirements. This role is specific to candidates with experience in nuclear in-cell handler testing.    The Commissioning Engineer is responsible for: Delivering the commissioning work scope to an agreed strategy and plan in a timely and cost effective manner Execution of the arrangements for controlling, witnessing, recording and assessing the results of commissioning tests which may affect safety. Ensuring a proactive and balanced approach to safety (nuclear, radiological, conventional and environmental) to ensure that safety is optimised during commissioning Reviewing commissioning progress and performance and taking appropriate corrective actions where...
IR35 Status:
Inside IR35

CV-Library Cheshire, UK Contractor
CL
Jun 14, 2026  
OLE Senior Project Engineer
Are you a Senior Project Engineer with extensive experience across OLE or third rail infrastructure? Do you have a strong background managing engineering assurance, construction compliance and technical delivery on major rail projects? Contract Length: 8 Months Rate: £550-£600/day Umbrella (Inside IR35) Location: Manchester - 3 days onsite per week This is an excellent opportunity to join a client organisation on a high-profile national programme, supporting the safe and compliant delivery of critical OLE infrastructure works across the rail network. If you have a proven track record delivering engineering assurance on major rail projects and are confident overseeing design, construction, testing and commissioning activities within a safety-critical environment, this role is for you. As the Senior Project Engineer, you will lead and manage the application of engineering standards across design and construction activities, ensuring all projects comply with legislation,...
IR35 Status:
Inside IR35

CV-Library Manchester, UK Contractor
CL
Jun 14, 2026  
Senior Project Engineer (E&P)
Senior Project Engineer (E&P) Location: Manchester Hybrid Working: 3 days per week onsite Contract Length: 8 Months Rate: £550 - £600 per day Umbrella IR35 Status: Inside IR35 We are currently seeking an experienced Senior Project Engineer (E&P) to support the successful delivery of major rail infrastructure projects within a high-profile national programme. This is an excellent opportunity for an established engineering professional with strong Overhead Line Equipment (OLE/OCS) and/or Third Rail experience to work on complex multidisciplinary rail projects in a safety-critical environment. Key Responsibilities * Manage the application of engineering standards across design, construction, testing, and commissioning activities * Ensure projects comply with relevant legislation, rail standards, and engineering assurance requirements * Provide technical leadership and guidance to Project Engineers and wider project teams * Review contractor competence, engineering...
IR35 Status:
Inside IR35

CV-Library City Of Manchester, Greater Manchester Contractor
CL
Jun 14, 2026  
Senior Project Engineer
Senior Project Engineer - EC&I (Electrical, Controls & Instrumentation) Malton, North Yorkshire | Hybrid (2 days on-site, 2 days remote) 12‑month contract | Inside IR35 | Rate: Negotiable Our client is seeking an experienced Senior Project Engineer - EC&I, to support the delivery of complex engineering projects within a highly regulated industrial environment. This is a fantastic opportunity for a technically strong engineer to play a key role across the full project lifecycle, contributing to high‑profile, safety‑critical programmes. The role In this role, the Senior Project Engineer / EC&I Engineer, will identify functional requirements and stakeholder needs, manage engineering support to projects and contribute to Project Execution Plans, including design, safety case and commissioning strategies. You will lead concept and detailed design activities, produce and approve technical specifications and oversee contractors' design and construction activities....
IR35 Status:
Inside IR35

CV-Library Malton, North Yorkshire Contractor
CL
Jun 13, 2026  
Manufacturing Engineer
Manufacturing Engineer 12 Month Contract Based in Bolton Offering £35ph Inside IR35 Are you an experienced Manufacturing Engineer? Do you hold an Apprenticeship and NVQ/SVQ Level 3? Are you experienced with SAP? Are you looking to work with an industry-leading company? If your answers are yes to these, then this could be the role for! As the Manufacturing Engineer, you will be working alongside a market-leading defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry. You will be involved in: Compilation and update of Manufacturing Instructions. Design, Commissioning, and proving of associated tooling. Support the industrial validation process through the use of FMEA's, FAI's etc. Resolution of technical problems that may arise during the manufacturing process. Route card changes as a result or rework...
IR35 Status:
Inside IR35

CV-Library Bolton, Greater Manchester Contractor
CL
Jun 12, 2026  
CE&I Control Systems Design Engineers
OLG Recruitment are currently looking for two CE&I Control Systems Design Engineers for our client located in Warrington. You will be required to work within the Silos CE&I design team delivering and checking Programmable Electronic System (PES), based Control System designs/updates to meet functional and business needs. The implementation, testing and commissioning of the designs/updates is undertaken by other dedicated site-based teams. This is a contract position for a minimum of 18 months, this requirement has been assessed as inside IR35. Essential: Academic Qualification: Minimum - HNC Professional Qualification: Minimum - Incorporated Engineer Experience: Minimum 3 years successfully delivering as a PES based Control System Design Engineer on external multidiscipline projects, from concept design through to handover, with a working knowledge of the appropriate Engineering Standards Effective verbal and written communication skills with the ability to convey...
IR35 Status:
Inside IR35

CV-Library Warrington, UK Contractor
CL
Jun 10, 2026  
Electronics Engineer
On behalf of our client, we are looking for a Electronics Engineer to join them on an initial 12-month basis. As Electronics Engineer you will join the Calibration & Maintenance Team, to service Electrical and Electronic Test Equipment, including Special to Type Test Equipment. Some of these tasks include fault finding and repair of test equipment, supporting routine calibrations, commissioning of Test Equipment and drift analysis. Role: Electronics Engineer Pay: £32 -£35 per hour via Umbrella Location: Stevenage Contract: 12 months (possible extension) IR35 Status: Inside Security Clearance: SC Clearence needed however can start on BPSS Skillset/experience required: Minimum qualification: HNC/HND in Electrical & Electronics Engineering. Experience and knowledge in the calibration of test equipment and maintenance of test systems to component level. Able to utilise instructions, handbooks, drawings or specifications to provide technical advice/guidance. Able to use...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Jun 10, 2026  
Project Engineer - Nuclear
Job Description CCL Global is currently supporting a major nuclear decommissioning programme in the recruitment of experienced Project Engineers for long-term opportunities based in Hunterston A NPP in Scotland. We are seeking engineers with experience across commissioning, project delivery, quality assurance and plant operations within highly regulated industrial or nuclear environments. These positions will support critical decommissioning and project closure activities on a major UK nuclear site. Location: Hunterston A, Scotland, UK. Type of Contract: 1 year Contract (Inside IR35) Key duties will include: Successful candidates will support a broad range of project engineering and operational delivery activities including: * Commissioning and plant testing activities * Production of site and technical documentation * Maintenance and plant operating instructions * Risk assessments and design change implementation * Fault identification, resolution and...
IR35 Status:
Inside IR35

CV-Library West Kilbride, North Ayrshire Contractor
CL
May 30, 2026  
Projects E&I Design Engineer
OLG Recruitment are currently looking for a Projects E&I Design Engineer for our client located in Warrington. This is a contract position for a minimum of 10 months. This role has been assessed as inside IR35, PAYE only. You will be required on site 3 days per week and 2 days from home. Aim: To work within the Projects E&I design team delivering, supporting others delivering and checking design packages to meet safety, functional and business needs. Essential: * Academic Qualification: HNC * Professional Qualification: Incorporated Engineer * Security Clearance: SC * Hours: 37 hours over 4½ days a week * Location: Working 3 days a week minimum at Hinton House, Warrington, Cheshire Experience: * Minimum 3 years successfully delivering as an Electrical Design Engineer on external multidiscipline projects, from concept design through to handover, with a working knowledge of the appropriate Engineering Standards governing the following works: *...
IR35 Status:
Inside IR35

CV-Library WA3, Risley, Warrington Contractor
CL
Apr 18, 2026  
Manufacturing Engineer
World Class Defence Organisation based in Bolton is currently looking to recruit 4x Manufacturing Engineers. Rate: £35.00 per hour Location: Bolton 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)   Manufacturing Engineer Job Description: As a Manufacturing Engineer within the unit & missile assembly manufacturing facility your focus will be to ensure that our products are built efficiently and to budget. A key member of the Manufacturing Engineering team, you will carry out activities in support of multi-project manufacturing. Compilation and update of Manufacturing Instructions. Design, Commissioning and proving of associated tooling. Support the industrial validation process through the use of FMEA’s, FAI’s etc. Resolution of technical problems that may arise during the manufacturing process....
IR35 Status:
Inside IR35

CV-Library Bolton, UK Contractor
CL
Mar 25, 2026  
Manufacturing Engineer
Manufacturing Engineer Rate: £35.00 per hour Location: Bolton 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)   Manufacturing Engineer Job Description: As a Manufacturing Engineer within the unit & missile assembly manufacturing facility your focus will be to ensure that our products are built efficiently and to budget. A key member of the Manufacturing Engineering team, you will carry out activities in support of multi-project manufacturing. Compilation and update of Manufacturing Instructions. Design, Commissioning and proving of associated tooling. Support the industrial validation process through the use of FMEA’s, FAI’s etc. Resolution of technical problems that may arise during the manufacturing process. Route card changes as a result or rework activities. Management of Configuration Control by...
IR35 Status:
Inside IR35

CV-Library Bolton, UK Contractor
CL
Jun 11, 2026  
Senior Process Engineer
A leading provider of nuclear solutions in the UK, specialising in clean energy, defense, and civil decommissioning, is looking for a Senior Process Engineer to join their talented team of Engineers The package: Senior Process Engineer Warrington - Hybrid Inside IR35 rate £60-70 per hour The role: Able to work on a range of engineering problems involving high levels of complexity & uncertainty. Provides help and direction to less experienced team members to support both their effective working, and their development. The role must be fully aware of and adhere to Health & Safety standards and be fully familiar with all authorised documentation, Good Practice Guides and ISO standards. Promote effective co-operation across Engineering and other functional teams Assist in effective management of the customer, including liaison and relationship development with existing and new customers, to aid the development of business, resolution of technical and delivery issues, and...
IR35 Status:
Inside IR35

CV-Library Warrington, Cheshire Contractor
CL
Jun 10, 2026  
Principal EC&I Engineer
A leading provider of nuclear solutions in the UK, specialising in clean energy, defense, and civil decommissioning, is looking for Principal EC&I Engineer's to join their talented team. The package: Principal EC&I Engineer Warrington - Hybrid Inside IR35 rate £60-70 per hour The role: The Principal Engineer provides leadership in the delivery of engineering and technical activities through the application of process, domain knowledge and experience. Ensure effective management of multi discipline teams to ensure timely & efficient delivery of engineering work to meet customer agreed scope Supervise engineers/technical specialists Promote effective co-operation across Engineering and other functional teams Ensure effective management of the customer, including liaison and relationship development with existing and new customers, to aid the development of business, resolution of technical and delivery issues, and such that the customer is fully briefed and...
IR35 Status:
Inside IR35

CV-Library Warrington, Cheshire Contractor
CL
Jun 10, 2026  
Principal Mechanical Engineer
A leading provider of nuclear solutions in the UK, specialising in clean energy, defense, and civil decommissioning, is looking for Principal Mechanical Engineer's to join their talented team. The package: Principal Mechanical Engineer Warrington - Hybrid Inside IR35 rate £60-70 per hour The role: The Principal Engineer provides leadership in the delivery of engineering and technical activities through the application of process, domain knowledge and experience. Ensure effective management of multi discipline teams to ensure timely & efficient delivery of engineering work to meet customer agreed scope Supervise engineers/technical specialists Promote effective co-operation across Engineering and other functional teams Ensure effective management of the customer, including liaison and relationship development with existing and new customers, to aid the development of business, resolution of technical and delivery issues, and such that the customer is fully briefed and...
IR35 Status:
Inside IR35

CV-Library Warrington, Cheshire Contractor
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