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Contractor 20
Engineering London commissioning engineer

20 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
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
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
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 25, 2026  
QA/QC Engineer
We are currently representing a leading M&E contractor delivering one of London's flagship hyperscale data centre developments in North West London Due to continued growth, we are looking to appoint experienced QA/QC Engineers to join the project delivery team. The current scheme is scheduled to run until January 2027, with a brand-new project already secured, offering excellent long-term continuity for the successful candidates. Whether you're looking for a permanent position or a long-term contract, this is an excellent opportunity to join a business with a strong pipeline of mission-critical projects across London and the South East. Key Responsibilities * Implement and maintain project QA/QC procedures and inspection processes. * Review and manage Inspection & Test Plans (ITPs), check sheets and quality documentation. * Carry out inspections to ensure installations comply with project specifications, drawings and industry standards. *...
IR35 Status:
Unknown Status

CV-Library Ealing, Greater London Contractor
CL
Jul 25, 2026  
QA/QC Manager
We are currently representing a leading M&E contractor delivering one of London's flagship hyperscale data centre developments in North West London Due to continued growth, we are looking to appoint experienced QA/QC Manager to join the project delivery team. The current scheme is scheduled to run until January 2027, with a brand-new project already secured, offering excellent long-term continuity for the successful candidates. Whether you're looking for a permanent position or a long-term contract, this is an excellent opportunity to join a business with a strong pipeline of mission-critical projects across London and the South East. Key Responsibilities * Implement and maintain project QA/QC procedures and inspection processes. * Review and manage Inspection & Test Plans (ITPs), check sheets and quality documentation. * Carry out inspections to ensure installations comply with project specifications, drawings and industry standards. *...
IR35 Status:
Unknown Status

CV-Library Ealing, Greater London Contractor
CL
Jul 22, 2026  
Electrical Project Engineer
MPI is looking for an ELECTRICAL PROJECT ENGINEER for our client based in St. Albans Contract: Temp to Perm Salary: £40,000 to £50,000 / Annum The Company is a manufacturer of low voltage switchgear. The position of Electrical Project Engineer would be based at the Company premises located in St. Albans, Hertfordshire. The ideal candidate should be experienced in the electrical design of LV switchgear and package sub-stations. These can typically incorporate such items as protection relays and power factor correction equipment. Some experience would also be beneficial in the electrical design of control and monitoring systems together with electrical schematic diagrams. Ability to use AutoCAD is desirable. Knowledge of MV switchgear, which is supplied by the Company as part of a contract, would be an advantage. The main roles with this position include (but are not limited to) the following: * Controlling projects from receipt of contract to installation and...
IR35 Status:
Unknown Status

CV-Library St Albans, Hertfordshire Contractor
CL
Jul 23, 2026  
EC&I Engineer
We are seeking an experienced EC&I Engineer, working within a small team of multi disciplined engineers, you will be responsible for developing electrical and instrumentation design drawings, ensuring compliance with industry standards, and collaborating with engineers and project teams to deliver high-quality solutions. This is a full-time position, based in our Grimsby offices with occasional travel. Key Responsibilities will include * Creating detailed E&I designs, schematics, and layouts using CAD software (AutoCAD, EPLAN, etc.). * Develop wiring diagrams, loop diagrams, P&IDs, and panel layouts for industrial projects. * Assist in the selection of cables, instrumentation, control systems, and power distribution equipment. * Ensure designs comply with relevant industry standards (e.g. BS, IEC ATEX). * Collaborate with engineers, project managers, and site teams to ensure design accuracy. * Perform site surveys and incorporate field data into...
IR35 Status:
Unknown Status

CV-Library Hertford, Hertfordshire Contractor
CL
Jul 21, 2026  
Fire Alarm Engineer
Fire alarm engineer A great opportunity for a fire alarm engineer to join a well established, BAFE approved, Fire and Security contractor. Work consists - installation and commissioning of fire alarm systems in commercial units. Fire alarm engineer Details; * Day rate - £240 - £280 * Hours - 8:00 - 16:00 * Location - London & surrounding areas * Installing, maintaining, and servicing fire alarm systems to the highest standards * Fault finding and resolving issues efficiently Fire alarm engineer requirements; * Great knowledge of BS5839 & any other relevant standards * Able to install and commission fire alarm systems * Full UK driving licence * Minimum 3 years experience. * Valid ECS/CSCS card * Hand & Power tools required * Ensure all work complies with current fire safety regulations and company procedures
IR35 Status:
Unknown Status

CV-Library SG14, Hertford, Hertfordshire Contractor
CL
Jul 26, 2026  
Controls and instrumentation Engineer
Overview This is a hands-on engineering role focused on designing and building instrumentation and data acquisition systems that support advanced fusion research and complex engineering environments. You will work across electronics, measurement systems, and laboratory-based testing, developing solutions ranging from PCB design and electrical wiring through to sensor integration, system commissioning, and data acquisition. This is an excellent opportunity to join a growing engineering team in a newly created role offering broad technical exposure and ownership across complete systems. Key Responsibilities Design and develop instrumentation and data acquisition systems for monitoring and controlling engineering systems. Produce electrical schematics, wiring diagrams, and PCB designs. Assemble, test, and commission laboratory-based test systems. Install and integrate sensors, including temperature, resistance, and other measurement devices. Work closely with engineers and...
IR35 Status:
Unknown Status

CV-Library Didcot, Oxfordshire Contractor
CL
Jul 29, 2026  
Decommissioning Engineer
Decommissioning Engineer  Location: Reading, UK (Onsite, 5 days per week) Duration: 12 Month   Rate - £60 Per hour Outside IR35 Are you an experienced Decommissioning Engineer looking to join a high-hazard facility programme in the UK. This is a hands-on, boots-on-ground role supporting the mechanical decommissioning of a highly regulated plant. The work involves handling decommissioned equipment in air-fed suits within controlled environments, ensuring strict adherence to health, safety, and regulatory protocols. This is an opportunity to apply your mechanical decommissioning expertise in a critical, high-stakes environment within the nuclear sector. Key Responsibilities ·Conduct mechanical decommissioning activities safely and efficiently ·Work on-site in high-hazard areas requiring air-fed suits ·Handle, dismantle, and prepare plant equipment for decommissioning and disposal ·Ensure compliance with all site safety, quality, and regulatory standards ·Collaborate with...
IR35 Status:
Outside IR35

CV-Library Reading, UK Contractor
CL
Jul 29, 2026  
Mechanical Site Manager
Mechanical Site Manager Location: North London Rate: Competitive - DOE Hours: 10 Hour Shifts Duration: 12 Months Start Date: Monday 13th July About the Role Simply Recruitment Limited are currently recruiting for an experienced Mechanical Site Manager to join a major industrial project. This is an excellent opportunity to join a high-profile engineering project overseeing the mechanical installation and commissioning activities associated with steam turbine generators. The successful candidate will have a strong background in mechanical fitting, turbine installation and alignment, and will be responsible for managing site activities, coordinating labour and subcontractors, and ensuring works are delivered safely, efficiently and to programme. Key Responsibilities * Manage and coordinate all mechanical activities on site. * Supervise mechanical fitting teams and subcontractors. * Oversee the installation, assembly and alignment of steam turbine generators and...
IR35 Status:
Unknown Status

CV-Library E4, Valley, Greater London Contractor
CL
Jul 26, 2026  
Electrician
Overview This is a hands-on, varied Electrical Technician role supporting a wide range of engineering, laboratory, and infrastructure activities within an innovative fusion technology environment. You'll work across multiple engineering projects rather than a single production line, contributing to control systems, power distribution, fault finding, installations, and commissioning. The role suits someone who is adaptable, practical, and able to work independently while tackling a variety of technical challenges. This is an excellent opportunity for someone who enjoys problem-solving, working in diverse technical environments, and developing their electrical engineering skills on cutting-edge fusion technologies. Key Responsibilities Assist with the design, layout, installation, and commissioning of control panels and control systems. Assemble, install, and maintain electrical systems, panels, and associated equipment. Carry out fault finding and troubleshooting on control...
IR35 Status:
Unknown Status

CV-Library Didcot, Oxfordshire Contractor
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