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Contractor 52
London commissioning engineer

52 commissioning engineer jobs found in London

CL
Jul 29, 2026  
TP141 Commissioning Engineer
TP141 Commissioning Engineer (High Voltage) Outside IR35 | Competitive Day Rate | Long-Term Projects (2 Years) East Anglia & Oxfordshire Are you a TP141 Commissioning Engineer looking for your next long-term contract on major National Grid transmission projects? We are recruiting experienced TP141 Commissioning Engineers to support the delivery of two major substation projects in East Anglia and Oxfordshire, each offering approximately two years of work. This company is a specialist high-voltage engineering company delivering end-to-end power system solutions across the transmission and distribution sectors. Its expertise includes system design, manufacturing, installation, testing, commissioning and maintenance of HV substations and protection & control systems, supporting utility, renewable energy and critical infrastructure projects throughout the UK and internationally. Working on a subcontract basis, you will play a key role in the safe commissioning and...
IR35 Status:
Outside IR35

CV-Library London, 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
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
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 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 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 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 29, 2026  
TP141 Commissioning Engineer
TP141 Commissioning Engineer (High Voltage) Outside IR35 | Competitive Day Rate | Long-Term Projects (2 Years) East Anglia & Oxfordshire Are you a TP141 Commissioning Engineer looking for your next long-term contract on major National Grid transmission projects? We are recruiting experienced TP141 Commissioning Engineers to support the delivery of two major substation projects in East Anglia and Oxfordshire, each offering approximately two years of work. This company is a specialist high-voltage engineering company delivering end-to-end power system solutions across the transmission and distribution sectors. Its expertise includes system design, manufacturing, installation, testing, commissioning and maintenance of HV substations and protection & control systems, supporting utility, renewable energy and critical infrastructure projects throughout the UK and internationally. Working on a subcontract basis, you will play a key role in the safe commissioning and...
IR35 Status:
Outside IR35

CV-Library Birmingham, West Midlands 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 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 29, 2026  
Audio Visual Installation/Commissioning Engineer
Experienced AV Installation / Commissioning Engineer Location: Manchester City Centre Contract: 1–2-year contract, with potential to become a permanent role Salary: Circa £35,000–£38,000 per annum, with potential flexibility for candidates with an extended skill set We are recruiting for an experienced AV Installation / Commissioning Engineer to support large-scale projects, working primarily on-site in Manchester City Centre. This is an excellent opportunity for a skilled AV professional with strong installation, commissioning and testing experience to join a busy project environment on a long-term contract basis. The Role As an AV Installation / Commissioning Engineer, you will be involved in the delivery of large AV projects, carrying out first and second fix installation work, structured cabling, testing, commissioning and quality checks. You will work from schematics and support the successful installation and handover of a range of AV systems and equipment. Key...
IR35 Status:
Unknown Status

CV-Library 3 Dickinson St, Manchester M1 4LF, 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 29, 2026  
Mechanical Commissioning Engineer
Commissioning Manager – District Heating / Energy Centre Bradford 2 days per week 3-month contract Day rate depending on experience August to October start We are supporting a growing low-carbon heat network developer with the appointment of a Commissioning Manager for a major district heating project in Bradford. The role is focused on independent client-side commissioning assurance across an energy centre & wider district heating network. This will involve reviewing contractor documentation, attending commissioning meetings, witnessing selected tests, monitoring progress, reporting risks & advising on handover readiness. The position will suit an experienced mechanical, MEP, district heating or energy centre commissioning professional who is confident reviewing, challenging & reporting on commissioning activity without directly delivering the works. Key responsibilities: Review commissioning programmes, strategies, procedures, method statements, RAMS...
IR35 Status:
Unknown Status

CV-Library Yorkshire, 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
Jul 29, 2026  
BESS Electrical Engineer
Location: Remote - Rare site visits to Scotland (Only when essential) * Contract Duration: 6 months initially - extension &/or offer of permanent likely thereafter * IR35: Outside IR35 * Rate: £650–£750 per day * Start: Immediate preferred, but candidates on up to 4 weeks’ notice considered An urgent opportunity has opened for a BESS Electrical Engineer to support a live battery energy storage project that is now entering a critical final design and commissioning phase. The project has already been through delays and now needs an experienced BESS specialist who can step in quickly, take ownership of the remaining electrical design work, resolve final technical issues and help drive the project through to delivery. This is a remote outside IR35 contract with occasional site visits to Scotland, an immediate start preferred, and genuine potential for extension or a permanent role afterwards. For the right Senior BESS Electrical Engineer, there is the likelihood for...
IR35 Status:
Outside IR35

CV-Library EC2N, Broad Street, Greater London Contractor
CL
Jul 29, 2026  
BESS Electrical Engineer
Location: Remote - Rare site visits to Scotland (Only when essential) * Contract Duration: 6 months initially - extension &/or offer of permanent role likely thereafter * IR35: Outside IR35 * Rate: £650–£750 per day * Start: Immediate preferred, but candidates on up to 4 weeks’ notice considered An urgent opportunity has opened for a BESS Electrical Engineer to support a live battery energy storage project that is now entering a critical final design and commissioning phase. The project has already been through delays and now needs an experienced BESS specialist who can step in quickly, take ownership of the remaining electrical design work, resolve final technical issues and help drive the project through to delivery. This is a remote outside IR35 contract with occasional site visits to Scotland, an immediate start preferred, and genuine potential for extension or a permanent role afterwards. For the right Senior BESS Electrical Engineer, there is the likelihood...
IR35 Status:
Outside IR35

CV-Library M1, Manchester, Greater Manchester Contractor
CL
Jul 29, 2026  
BESS Electrical Engineer
Location: Remote - Rare site visits to Scotland (Only when essential) * Contract Duration: 6 months initially - extension &/or offer of permanent role likely thereafter * IR35: Outside IR35 * Rate: £650–£750 per day * Start: Immediate preferred, but candidates on up to 4 weeks’ notice considered An urgent opportunity has opened for a BESS Electrical Engineer to support a live battery energy storage project that is now entering a critical final design and commissioning phase. The project has already been through delays and now needs an experienced BESS specialist who can step in quickly, take ownership of the remaining electrical design work, resolve final technical issues and help drive the project through to delivery. This is a remote outside IR35 contract with occasional site visits to Scotland, an immediate start preferred, and genuine potential for extension or a permanent role afterwards. For the right Senior BESS Electrical Engineer, there is the likelihood...
IR35 Status:
Outside IR35

CV-Library M1, Manchester, Greater Manchester Contractor
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