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commissioning engineer

94 commissioning engineer jobs found

CL
May 14, 2026  
Renewable Gas Commissioning Engineer
Astute's Power Team is partnering with a leading global provider of Energy-from-Waste (EfW) solutions, this organisation delivers turnkey engineering, procurement, and construction (EPC) projects across the full lifecycle, to recruit a Commissioning Engineer for its Glasgow Anaerobic Digestion Project on either a long-term contract or permanent basis. Responsibilities and duties of the Commissioning Engineer role You will: Perform hands on commissioning tasks in the field across mechanical, electrical, and process systems within assigned scope. Manage and coordinate commissioning activities for allocated systems in line with the commissioning programme and project milestones. Ensure systems are commissioned in accordance with design documentation, employer's requirements, project specifications, and contractual obligations. Oversee and coordinate subcontractors during commissioning activities, ensuring works are carried out safely, to specification, and to schedule. Act as a...
IR35 Status:
Unknown Status

CV-Library Glasgow, UK 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
May 13, 2026  
Commissioning Engineer
Are you a Commissioning Engineer looking for your next contract opportunity? If so, take a look at the role below! Key Details: Location: Aberdeenshire (Hybrid between site commissioning & remote design verification/review/commissioning paperwork) Contract Duration: 12 months + yearly extensions Start Date: ASAP/Immediately Working Pattern: Monday to Friday (10 hour days & 5 hour days on Fridays) + potential weekend work Rate: £(Apply online only) per day Outside IR35 Responsibilities: Lead and deliver the commissioning of HV substations and associated systems across SSEN projects initially, & SPEN projects longer term. Develop and implement commissioning plans, procedures, and test documentation. Perform functional testing, fault-finding, and verification of protection and control systems. Ensure all works comply with SSEN & SPEN safety rules and standards. Liaise with project management, design, and construction teams to ensure seamless project delivery....
IR35 Status:
Outside IR35

CV-Library Scotland, UK Contractor
CL
May 13, 2026  
Senior Commissioning Engineer
Senior Commissioning Engineer 12 month initial contract (likelihood for extension) Outside IR35 £65 per hour Required Skillset - 5+ years experience working in BESS environments - Proven track record commissioning HV / EHV substations (typically 132kV-400kV). - Strong understanding of protection relays, SCADA systems, and control panels. - Demonstrated experience working under UK DNO / TSO safety rules. - Ability to work independently and manage multiple commissioning packages concurrently
IR35 Status:
Outside IR35

CV-Library St. Helens, Merseyside Contractor
CL
May 13, 2026  
Electrical Commissioning Engineer
Electrical Commissioning Engineer Teesside £500 day rate 6 Month initial contract Essential Skillset: HV commissioning of substations and BESS/renewable assets up to 132kV End-to-end commissioning of primary & secondary plantg Testing of CTs, VTs, transformers, reactors, GIS/switchgear Protection relay testing & configuration (ABB / GE / Schneider / Siemens) Fault finding and defect resolution during commissioning ITPs, commissioning plans, and handover documentation Pre-commissioning checks and design/drawing verification Strong HV safety compliance, RAMS, ECS card If this role is of interest to you, please get in touch with Daisy Black at JAM Recruitment as soon as possible
IR35 Status:
Unknown Status

CV-Library Stockton-on-Tees, County Durham Contractor
CL
May 12, 2026  
BMS Commissioning Engineer
BMS Commissioning Engineer Contract We have a fantastic contract opportunity for an experienced Tridium BMS Commissioning Engineer to join an exciting and prestigious project in London. On offer is an initial 6 month contract (with the potential to extend), c£40 - £48 per hour, and the opportunity to work on one of London’s most interesting new projects in central London The BMS Commissioning Engineer position:- As a BMS Commissioning Engineer, you will have fantastic experience and knowledge of commissioning Building Management Systems, in particular Tridium Niagara.  You will be required to perform software modifications and full commissioning. The project is in central London and is a very prestigious refurbishment of a historical building. The project is a mixed use development incorporating a hotel, high end luxury residences, and shops and will be using state of the art new smart building technology. Key skills of the BMS Commissioning Engineer:- Exceptional technical...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 12, 2026  
BMS Commissioning Engineer
We have a fantastic contract opportunity for an experienced BMS Commissioning Engineer to join an exciting project in London. On offer is an initial 3 to 6  month contract (with the potential to extend), £300 - £340 per day (outside IR35), and the opportunity to work for a successful BMS integration business. The BMS Commissioning Engineer position: - As a BMS Commissioning Engineer, you will have fantastic experience and knowledge of commissioning Building Management Systems, in particular Trend and Tridium systems.  You will be required to perform software modifications, writing, and generating graphics, working alongside a team engineers. Key skills of the BMS Commissioning Engineer: - Exceptional technical knowledge and experience of the BMS sector. Proven experience commissioning BMS systems Qualifications and experience with Trend and Tridium or Delta Ability to write and manipulate software and graphics. CSCS Skill card or equivalent Benefits of the BMS Commissioning...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 12, 2026  
BMS Commissioning Engineer
BMS Commissioning Engineer, Cylon or Tridium London £330 to £400 per day, Weekly pay Our client requires an accomplished BMS (Building Management Systems) Commissioning Engineer with Cylon Controls (or Tridium) experience to work on a major prestigious project in Central London. The work will involve the commissioning of Fan Coils Units using Cylon Controls, with on-going major plant commissioning works available thereafter. This contract will initially run for 6 months, however opportunity for extension and to join exciting projects in the future will be available for the right candidate. Role Profile The successful applicant for this BMS Commissioning Engineer role will need to have experience of using Cylon or Tridium controls to commission Fan Coil Units and major plant Key skills required:- * Experienced in the Commissioning of Building Management Systems (BMS) * Qualified and experienced with Cylon or Tridium Control systems. * CSCS Skill Card or equivalent. £330 - £400...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 10, 2026  
Commissioning Engineer
Commissioning engineer – Security Systems 📍 Bristol | 💰 Up to £46,000 | 🕒 Full-Time (40 hrs) Looking for a role where no two days are the same? We are seeking a talented Security Systems Engineer to deliver high-quality installations and service across a range of exciting sectors—from retail and construction to public spaces and major sports venues. 🚀 What You’ll Be Doing Provide on-site mentoring and leadership for Trainee Engineers. Handle technical queries and communicate any site deviations or challenges effectively. Complete all relevant documentation promptly after installation. Carry out high-quality Commissioning of Intruder, CCTV and Access Control systems in line with project specifications. Liaise with customers, project managers and the wider team to ensure exceptional service and project outcomes. ✅ What You’ll Bring At least 2 years’ experience in a similar engineering role Strong team player with a proactive, can-do attitude Experience...
IR35 Status:
Unknown Status

CV-Library Bristol, UK Contractor
CL
May 09, 2026  
MEICA Commissioning Engineer
MEICA Commissioning Engineer | Clean Water Projects | Affinity Water Region Tired of the same old AMP talk? This is one of those rare commissioning roles where you’re trusted to deliver, not micromanaged. You’ll be working on clean water treatment and network upgrade projects within the Affinity Water region, helping to bring essential infrastructure to life across the region. If you like getting hands-on with complex systems, solving problems under pressure, and seeing results that make a real impact on communities, this one’s worth reading. 💡 The Role You’ll take ownership of the full commissioning process — from off-site testing to integration into live water assets. Reporting to a Commissioning Manager who understands the challenges first-hand, you’ll coordinate on-site activities, ensure safety, and make sure every system is delivered to spec and on time. Key responsibilities: • Lead day-to-day commissioning activities and support delivery teams on site • Produce accurate...
IR35 Status:
Outside IR35

CV-Library Oxford, Oxfordshire Contractor
CL
May 09, 2026  
Senior MEICA Commissioning Engineer
️ Lead MEICA Commissioning Engineer | Clean Water Projects | Affinity Water Region Outside IR35 | Long-Term AMP8 Programme Leadership Role | Commissioning Strategy | Team Management Some commissioning roles are about witnessing tests and signing paperwork. This one is about leading people, driving standards, and bringing structure to projects before problems ever reach site. A leading Tier 1 contractor delivering clean water projects across the Affinity Water region is looking for a Lead MEICA Commissioning Engineer to oversee commissioning delivery across a portfolio of schemes typically ranging from £5m–£10m. While the individual projects may not be mega-projects, they need someone who has operated at that level before. Someone who understands what “good” looks like on major infrastructure programmes and can bring that level of leadership, planning, coordination, and control into a growing AMP8 delivery environment. This is a role for a true commissioning leader — somebody...
IR35 Status:
Outside IR35

CV-Library Rickmansworth, Hertfordshire Contractor
CL
Apr 23, 2026  
Lead Commissioning Engineer 00003652
Lead Commissioning Engineer  Seascale £500 per day Hybrid working Certain Advantage are recruiting on behalf of our nuclear client for a Lead Commissioning Engineer. They need someone who will lead Commissioning Engineers and Technicians.   Your responsibilities: Leading all testing activities throughout all stages of commissioning Supervising the production of commissioning test documentation Supervising and organising of Commissioning Technicians and support resources Supervising the initiation and implementation of FOBs and TQs Liaising with the regulatory compliance representatives to ensure witnessing of commissioning activities is expedited Recording and management of Temporary Commissioning Aids Recording of supporting data in accordance with test requirements Ability to utilise completions management systems to manage commissioning activities, and handovers from construction to commissioning and commissioning to the client Knowledge/Qualifications Project...
IR35 Status:
Unknown Status

CV-Library Seascale CA20, UK 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 15, 2026  
Mechanical & Electrical Technician
Job Title: Mechanical / Electrical Technician – Field Service (Naval) Location: Portsmouth (Contractor) Reporting to: Field Service Engineering Manager We are seeking an experienced Mechanical / Electrical Technician to join a Field Service Team based in Portsmouth. This is an exciting opportunity to work in a high-profile and demanding military environment, supporting Naval taskings primarily in the Portsmouth area, with occasional travel to other UK sites as required. You will play a key role within the Field Service team, supporting a range of Naval vessels and contributing to additional projects across the Industry, Marine, and Offshore sectors. This position offers variety, responsibility, and the opportunity to work on advanced power conversion equipment in a dynamic operational setting. About the Role: Reporting to the Field Service Engineering Manager, you will be a pivotal member of the Portsmouth team, ensuring the smooth and professional delivery of all associated...
IR35 Status:
Unknown Status

CV-Library Portsmouth, Hampshire Contractor
CL
May 13, 2026  
Commissioning Manager
Key Details: Location: London (Hybrid between site-based commissioning & office/remote documentation and coordination) Contract Duration: 12 months + extensions Start Date: ASAP / Immediately Working Pattern: Monday to Friday (long hours typical of data centre delivery) + potential weekend work Rate: £900-£1,100 per day Outside IR35 Responsibilities: Lead and manage all BMS commissioning activities on a large-scale data centre project. Develop and implement commissioning strategies, plans, procedures, and documentation specific to BMS and integrated systems. Oversee commissioning of HVAC systems, chillers, CRAH/CRAC units, power monitoring, and critical environment controls via BMS. Coordinate and manage commissioning engineers, subcontractors, and vendors to ensure efficient delivery. Act as the primary interface between client, project management, design teams, and specialist contractors. Ensure all commissioning activities comply with project specifications,...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 12, 2026  
BMS Project Manager
We have a fantastic contract opportunity for an experienced BMS Project Manager to join an exciting project in London. On offer for the successful BMS Project Manager is a 12 month contract, £350 - £450 per day, and the opportunity to work for a successful BMS intelligent integration business. The BMS Project Manager role:- As a BMS Project Manager, you will be a highly skilled, professional and driven individual who has a wealth of knowledge and background in the BMS sector. You will be required to liaise confidently and positively with the client delivering a fantastic service, attending progress meetings, managing sub-contractors, commissioning engineers, and covering all aspects of project management. To apply you must have a proven track record of managing large BMS projects. Key Skills required of BMS Project Manager:- * Exceptional knowledge and background in the BMS industry. * Proven track record of managing large BMS projects, all aspects. * Strong commercial and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 15, 2026  
Electric Powertrain Validation Engineer
Location: Stamford & Nottingham Temp basis for 12 months We are seeking a hands-on Powertrain Test & Validation Engineer to support the development and validation of electric powertrain systems, focusing on Power Electronics (PE) and Motor/Generator (MG) technologies. The role acts as the key technical interface between the design engineering team and test facilities, ensuring accurate execution of validation activities, high-quality data capture, and effective root cause analysis of system issues. This position is highly practical, data-driven, and collaborative, requiring strong test execution capability combined with analytical problem-solving skills in an automotive electrification environment. Key Responsibilities Execute and manage daily powertrain test cell activities (setup, commissioning, execution, teardown) Develop and execute test procedures for validation of PE + MG systems Translate engineering requirements into structured test plans and validation...
IR35 Status:
Unknown Status

CV-Library Stamford, Lincolnshire Contractor
CL
May 15, 2026  
Principal Automation Engineer
Principal Automation Engineer - (Oil & Gas, Downstream) Contract Details Duration: 12 Months Working Pattern: 5 Days per Week (40 Hours) Location: Manchester (Hybrid Working) Rate: £55-60.00 per hour PAYE (inside IR35)  The successful candidate will play a critical role in system integration, plant operations, and project execution from FEED through to commissioning. The candidate will be embedded in the Client’s team on site (Humber), therefore preferred location is local to the site with regular visit to home office (Manchester) as and when required. (expenses paid for HO visit if required). However, for the right candidate, we would be willing to consider a candidate based in Manchester who will be willing to regularly travel to site (expenses paid for site visit). Key Responsibilities Conduct site surveys to identify optimal cutover strategies aligned with plant outages and manual operation capabilities Lead the Front-End Engineering Design (FEED) process, including:...
IR35 Status:
Inside IR35

CV-Library Immingham, UK Contractor
CL
May 15, 2026  
Mechanical Project Engineer
Role: Mechanical Project Engineer Location: Derby Rate: Up to £475 p/d - Umbrella PAYE Duration: 18 months+/Ongoing Sector: Water/Wastewater   Are you a Project Engineer or with experience in the water/Wastewater sector?   Do you want to join a market leading business who encourage high work load and opportunities to think differently?   My client is a Contractor looking to strengthen their delivery team for the AMP8 funding cycle on their large framework portfolio on behalf of Severn Trent Water The successful Project Engineer's will work with the project managers and construction teams, as well as the sub contractors to ensure the successful on site delivery of complex Non-Infrastructure projects in the water sector. The projects are attached to Wastewater schemes, overseeing packages of work with the aim of improving the quality of discharged Wastewater on sites in the Derby and Nottingham region. Due to the complexities involved, you MUST have experience as a Site...
IR35 Status:
Unknown Status

CV-Library Derby, UK Contractor
CL
May 15, 2026  
Senior Mechanical Engineer
Senior Mechanical Engineer - Waste Water Location: Salford Duration: 12-Month Contract Rate: £550 per day (Inside IR35)  Tier 1 water client is seeking an experienced Senior Mechanical Engineer to support the delivery of key projects within the United Utilities Water framework. This role offers the opportunity to work on essential water infrastructure schemes, contributing technical expertise across design and delivery phases in a collaborative project environment. You'll play a pivotal role in ensuring mechanical solutions are developed efficiently, safely, and in line with industry standards, while supporting the wider engineering team and project objectives.   Key Responsibilities ·Take ownership of mechanical design delivery across multiple water sector projects ·Guide and mentor engineers, ensuring consistent technical quality and output ·Develop scopes of work, technical specifications, and support procurement activities ·Contribute to planning and programme...
IR35 Status:
Inside IR35

CV-Library Salford, UK Contractor
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