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Contractor commissioning engineer

71 commissioning engineer jobs found

CL
Jul 28, 2026  
Commissioning Engineer
Role purpose: To provide 3rd line support within the MES SPEN Project Engineering team with the ability to understand bespoke, detailed customer designs and technical ownership to the businesses high profile accounts through the utilisation of specialist technical expertise. To add value, in terms of technical skills, through the issuing of detailed network solutions as well as technical leadership and implementation support. Commissioning Engineers are responsible for Project Delivery and Integration along with Project services (Design, Build and Deploy). Key accountabilities and decision ownership: * To support the development and evolution of customers products, continuously seeking to improve the customer experience through the product lifecycle. * Documenting, carrying out administrative tasks and commissioning tasks * Receive implementation plans from Project Engineers for peer review * Assess network toplogy and circuitry for project planning * Write and...
IR35 Status:
Unknown Status

CV-Library Glasgow, Glasgow City Contractor
CL
Jul 28, 2026  
Lead Mechanical Commissioning Engineer
Astute's Power Team are partnering with a Leading EPC Contractor within the Energy Sector. We are currently recruiting for a Lead Mechanical Commissioning Engineer to join their Combined Cycle Gas Turbine plant based in Adamow, Poland. The Lead Mechanical Commissioning Engineer position comes with a day rate from €500.00 to €550.00 per day outside of IR35. Role responsibilities and key skills for the role: * Lead and coordinate all mechanical commissioning activities associated with the CCGT power plant, ensuring safe, efficient and timely delivery in line with the overall commissioning programme and key project milestones. * Develop, review and execute detailed mechanical commissioning plans, procedures and system turnover strategies, ensuring activities are correctly sequenced and aligned with the wider project commissioning schedule. * Lead the pre-commissioning and commissioning of major mechanical plant and systems, including gas turbines, steam turbines, HRSGs, steam and...
IR35 Status:
Outside IR35

CV-Library Turek, Greater Poland Contractor
CL
Jul 27, 2026  
Lead Electrical Commissioning Engineer
Astute's Power Team are partnering with a Leading EPC Contractor within the Energy Sector. We are currently recruiting for a Lead Electrical Commissioning Engineer to join their Combined Cycle Gas Turbine plant based in Adamow, Poland. The Lead Electrical Commissioning Engineer position comes with a day rate from €500.00 to €550.00 per day outside of IR35. Role responsibilities and key skills for the role: Lead and coordinate all high-voltage (HV) commissioning activities associated with the 600MW CCGT plant, ensuring safe, compliant, and efficient delivery in line with project milestones. Execute detailed HV commissioning plans, switching schedules, and energisation procedures, aligned with the overall project commissioning strategy and grid connection programme. Supervise and manage pre-commissioning and commissioning of HV systems, including GIS/AIS switchgear, power transformers, generator step-up (GSU) transformers, protection & control systems, and grid interface...
IR35 Status:
Outside IR35

CV-Library Turek, Greater Poland Contractor
CL
Jul 26, 2026  
BMS Commissioning Engineer
I’m currently recruiting for a BMS Commissioning Engineer to join a well-established engineering company supporting a major long-term project based around the St Austell area. This is an outside IR35 contract with work expected to continue through until 2028, making it a strong option for contractors looking for long-term, stable work rather than short-term project moves. The company delivers BMS design, installation, commissioning and maintenance across a range of large-scale projects, working with blue-chip clients in sectors including data centres, aviation, life sciences and commercial buildings. They’re looking for an experienced BMS Commissioning Engineer with strong knowledge of Schneider EcoStruxure. You’ll ideally be confident writing software from scratch, carrying out full commissioning activities, and have solid industry experience within the BMS industry. Engineers don't need to be based in the area, so if you're happy travelling or staying away during the week,...
IR35 Status:
Outside IR35

CV-Library St Austell, Cornwall Contractor
CL
Jul 25, 2026  
TP141 Commissioning Engineer
Rubicon Consulting is currently recruiting for TP141 Commissioning Engineer on a 1 Month Contract, based in Norwich. Role Summary We are seeking an experienced TP141 Commissioning Engineer to support commissioning activities across high-voltage electrical substations. The ideal candidate will have hands-on experience working on 132 kV, 275 kV, and 400 kV systems and a strong background in testing, commissioning, and energisation of substation equipment. Key Responsibilities * Execute commissioning, testing, and energisation of substation equipment at 132/275/400 kV/KVA * Conduct functional testing of protection and control systems, switchgear, transformers, and associated substation equipment. * Review and interpret technical drawings, schematics, and commissioning documentation. * Prepare detailed commissioning procedures, test sheets, and reports. * Coordinate with project managers, construction teams, system operators, and client representatives to ensure...
IR35 Status:
Unknown Status

CV-Library East of England, UK Contractor
CL
Jul 25, 2026  
TP141 Commissioning Engineer - National Grid
TP141 Commissioning Engineer Location: Bramford Substation, Suffolk Rate: £115.00 per hour Contract: Outside IR35 (LTD) Start Date: 13th July 2026 End Date: 9th August 2026 Hours: 50 Hours Per Week Duration: 4 Weeks+ (Extensions Probable) Overview: We are currently recruiting for an experienced TP141 Commissioning Engineer to support the energisation activities on the EA3 Substation project at Bramford. Working on behalf of my client, you will play a key role in the safe commissioning and energisation of high voltage electrical systems, ensuring all works are completed in accordance with TP141 procedures, project specifications and National Grid standards. This is an excellent opportunity for an experienced Commissioning Engineer looking to work on a major UK transmission infrastructure project on an Outside IR35 contract. Key Responsibilities: Plan and carry out commissioning and testing activities on HV electrical systems. Act as an authorised TP141 Commissioning Engineer...
IR35 Status:
Outside IR35

CV-Library Ipswich, Suffolk Contractor
CL
Jul 25, 2026  
EC&I Commissioning Engineer
About this position: We are looking for a Hands-On Commissioning Engineer to support commissioning activities at AWE Burghfield. This site-based contract requires experience with low voltage electrical systems and instrumentation. DV clearance is preferred, but SC-cleared candidates will also be considered. Job Responsibilities: * Commission and test LV electrical systems and field instrumentation. * Carry out loop checks, I/O checks, functional testing, and fault finding. * Test and commission control valves, actuated valves, pressure transmitters, pressure switches, temperature sensors, flow meters, and level instruments. * Verify calibration and operation of instrumentation. * Complete commissioning documentation and support system handovers. * Ensure all work is carried out safely and in line with site procedures. Experience Required: * Proven commissioning experience within nuclear, defence, process, or industrial environments. * Strong hands-on...
IR35 Status:
Unknown Status

CV-Library Burghfield, West Berkshire Contractor
CL
Jul 24, 2026  
Fire Alarm Commissioning Engineer – London - £45K
Fire Alarm Commissioning Engineer – London - £45,000 Salary Package: £40,000 - £45,000 Overtime Company Van – Private Use Travel Time – Give 30 mins EW Call Out Rota – 1 in 4 - £150 Standby 25 Days Holidays Plus Bank Holidays Healthcare Training & Courses   Area Of Cover: London & Home Counties   Responsibilities: Maintenance of large complex Fire Alarm Systems Commissioning and programming of complex cause and effect Carrying out reports Carrying out audits Fault Finding Remedials Small works
IR35 Status:
Unknown Status

CV-Library Central London, London WC2N 5DU, UK Contractor
CL
Jul 23, 2026  
BMS Commissioning Engineer
BMS Commissioning Engineer 📍 London Region 📅 9-Month Contract 🪙 Outside IR35 I'm recruiting for an experienced BMS Commissioning Engineer to support a major project across the London region. This is an excellent opportunity for a commissioning engineer with a strong background in delivering BMS projects from pre-commissioning through to final handover. The Role: Commission, test, and optimise Building Management Systems (BMS) to ensure they operate efficiently and meet project specifications. Produce commissioning documentation, reports, and support final client demonstrations and handovers. Diagnose and resolve commissioning issues, making software and control strategy adjustments where required. Carry out point-to-point testing, functional testing, and system validation across HVAC plant and associated controls. Requirements: 5+ years' experience commissioning Building Management Systems. Strong understanding of HVAC systems, control strategies, and BMS principles....
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 23, 2026  
BMS Commissioning Engineer
BMS Commissioning Engineer 📍 Cardiff Region 📅 9-Month Contract 🪙 Outside IR35 I'm recruiting for an experienced BMS Commissioning Engineer to support a major project across the London region. This is an excellent opportunity for a commissioning engineer with a strong background in delivering BMS projects from pre-commissioning through to final handover. The Role: Commission, test, and optimise Building Management Systems (BMS) to ensure they operate efficiently and meet project specifications. Produce commissioning documentation, reports, and support final client demonstrations and handovers. Diagnose and resolve commissioning issues, making software and control strategy adjustments where required. Carry out point-to-point testing, functional testing, and system validation across HVAC plant and associated controls. Requirements: 5+ years' experience commissioning Building Management Systems. Strong understanding of HVAC systems, control strategies, and BMS principles....
IR35 Status:
Outside IR35

CV-Library Cardiff, UK Contractor
CL
Jul 23, 2026  
Commissioning Engineer
Commissioning Engineer – Water Location: United Utilities Region (North West) Our client, a leading Tier 1 contractor delivering major infrastructure projects across the UK water sector, is seeking an experienced Commissioning Engineer to join their growing Water division. This is an excellent opportunity to work on long-term clean water and wastewater projects as part of a highly respected engineering team. The successful candidate will be responsible for commissioning electrical, instrumentation, control and automation systems (EICA/MEICA), ensuring assets are safely tested, commissioned and handed over to the client. The Role As a Commissioning Engineer, your responsibilities will include: * Planning and carrying out commissioning activities on water and wastewater treatment projects. * Commissioning electrical, instrumentation, control and automation (EICA) systems. * Functional testing, loop checking and fault finding. * Commissioning pumps, motors, MCCs, control...
IR35 Status:
Unknown Status

CV-Library Manchester, Greater Manchester Contractor
CL
Jul 22, 2026  
BMS Commissioning Engineer
BMS Commissioning - Data Centre Duration: 9 Months+ Location: Cardiff Rate: £300-£380 per day IR35 Status: Outside Systems: Tridium, Trend, Schneider Job Summary: As a BMS Engineer, you will be responsible for managing the full lifecycle of Building Management System (BMS) projects, ensuring all technical and commissioning activities are delivered on time, within scope, and to the highest standards. You will act as the key point of contact for clients, oversee system configuration and commissioning, and ensure successful project delivery and handover. Requirements: HVAC & BMS fundamentals BMS commissioning (UK & Ireland standards) BMS software (e.g., Trend, Schneider, Tridium, Johnson Controls Metasys or similar) Design and technical documentation ECS / CSCS Card (or equivalent) If your interested please click apply or alternatively contact Jake Taylor at
IR35 Status:
Outside IR35

CV-Library Cardiff, UK Contractor
CL
Jul 22, 2026  
Electrical Commissioning Engineer
MPI is looking for an ELECTRICAL TEST / COMMISSIONING ENGINEER for our client based in St. Albans Contract: Temp to Perm Salary – to be discussed based on experience The Company is a manufacturer of low voltage switchgear. The position of Electrical Test / Commissioning Engineer would be based between the Company premises located in St Albans and the client’s project sites. The ideal candidate should have experience in the electrical testing of LV switchboards including such items as protection relays, controls and metering. Experience of PLC systems would be an advantage. The ability to read and understand electrical schematic diagrams is essential. The ability to test and demonstrate the operation of switchgear at client inspections, either at the Company premises or at project sites, is essential. The main roles with this position include (but are not limited to) the following: * Electrical test of LV switchgear and control panels. * Carry out tests witnessed by...
IR35 Status:
Unknown Status

CV-Library St Albans, Hertfordshire Contractor
CL
Jul 22, 2026  
BMS Commissioning Engineer
BMS Commissioning Engineer Location: North Acton, London Contract: Long-term Contract Start Date: Immediate We are currently seeking an experienced BMS Commissioning Engineer to join a leading controls specialist on a major, long-term critical infrastructure project in North Acton. This is an excellent opportunity to work on a high-profile project with work secured through to May next year, offering long-term stability and the chance to be part of a highly experienced engineering team. The Role As a BMS Commissioning Engineer, you will be responsible for the commissioning, testing and optimisation of Building Management Systems, ensuring systems are delivered safely, efficiently and to the highest standard. You will be working across a modern critical environment, carrying out commissioning activities, fault finding, software modifications where required, and supporting the project through to successful completion. Key Responsibilities Commission BMS systems on site Test,...
IR35 Status:
Unknown Status

CV-Library Acton, London 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 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 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
Jul 28, 2026  
Field Engineer
Role purpose: Delivery of excellence for our customer. To provide a professional field engineering service for provide and assure activities across Scottish Power’s strategic telecommunications network across Scotland and the interfaces into the SSEN, National Grid telecoms networks on behalf of our client's continued support contract. To be available for the provision of 24 x 7 x 365 1st line, assure activities and routine maintenance work for our key utilities' suppliers. Working alongside our project engineers on project delivery & assure delivery to achieve the benefits expected by both client and the customer. Be able to manage risk, ensure quality and health & safety requirements are being met on an individual and team basis. Hold a technical knowledge of networking principles, having operated in both provide and assure delivery space and have a proven track record of successful technical project implementation across various delivery solutions. Full UK Driving...
IR35 Status:
Unknown Status

CV-Library Glasgow, Glasgow City Contractor
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