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Contractor commissioning engineer

119 commissioning engineer jobs found

CL
Jun 11, 2026  
Commissioning Engineer
At EES Contracts Ltd, we deliver industrial electrical installations and engineering solutions across a range of sectors including automotive, manufacturing, food and beverage, logistics, aviation, and heavy industry. With over 50 years of experience, we specialise in power distribution, automation, process environments, shutdowns, relocations, and turnkey electrical projects. Role Overview We are seeking an experienced Commissioning Engineer to support the delivery, testing, commissioning, and handover of industrial electrical systems on a variety of large-scale projects. The successful candidate will play a key role in ensuring systems are installed, tested, and operating safely and efficiently in line with client specifications and industry standards. The role involves working closely with project teams, clients, subcontractors, and site personnel to deliver high-quality commissioning activities within project deadlines. Key Responsibilities * Carry out commissioning and...
IR35 Status:
Unknown Status

CV-Library Birmingham, West Midlands (County) Contractor
CL
Jun 11, 2026  
Test & Commissioning Engineer
Matchtech is supporting a key client with the requisition of a Test & Commissioning Engineer for a contract position in Birmingham. This role will involve delivering hands-on testing activities across site-based systems, supporting the safe and efficient progression through both static and dynamic commissioning phases. Key Responsibilities: Execute assigned testing activities in accordance with approved test plans and procedures Undertake a range of testing activities, including functional testing, interface testing, and fault investigation and support for rectification Accurately record, document, and submit test results in line with project requirements Support testing activities during night shifts and weekends where required to meet programme needs Work flexibly across multiple disciplines to maintain project progress and programme momentum Identify, escalate, and track defects and safety issues in a timely and proactive manner Key Interfaces: Test, Integration &...
IR35 Status:
Unknown Status

CV-Library Birmingham, West Midlands Contractor
CL
Jun 11, 2026  
Rail Systems Test & Commissioning Engineer
Matchtech is supporting a key client with the requisition of a Rail Systems Test & Commissioning Engineer to join their dedicated team. This is a permanent role that focuses on leading the integration, execution, and resolution of testing activities across various rail systems disciplines, ensuring successful delivery during complex testing and commissioning phases. Key Responsibilities: Execute and coordinate system-level testing activities across key rail subsystems, including Traction Power, Signalling and Control, SCADA, and Telecoms. Prepare and deliver core testing and assurance documentation, such as test scripts, test results, and non-conformance reports. Support dynamic testing phases, including fault finding, investigation, and retesting activities. Interface closely with construction teams to identify and resolve system readiness and handover issues. Contribute to Safety Assurance by supporting the collation and documentation of evidence. Act as deputy to the...
IR35 Status:
Unknown Status

CV-Library Birmingham, West Midlands Contractor
CL
Jun 07, 2026  
Commissioning Engineer - NG Person
Job Title: 400kV Commissioning Engineer - Transmission Project Location: Dinorwig Power Station (LL55 4TY), Wales Sector:Power Transmission / T&D Job Type: Temporary (Contract - LTD) Start Date: ASAP End Date: September 2026 Hours: 10-hour days (11 Days On / 3 Days Off) Pay Rate: Up to £100 per hour (£1,000 per day) DOE Reason for Vacancy: Project delivery requirements on major transmission scheme The Role: We are currently recruiting an experienced 400kV Commissioning Engineer to support works on a major transmission project at Dinorwig Power Station. This is an excellent opportunity to work on a high-profile 400kV site within a live power generation and transmission environment, contributing to critical UK grid infrastructure through to mid-2026. Key Responsibilities: Leading and carrying out commissioning of primary and secondary plant at 400kV Functional testing of protection and control schemes Reviewing, completing and signing off commissioning documentation Ensuring...
IR35 Status:
Unknown Status

CV-Library Caernarfon, Gwynedd Contractor
CL
Jun 07, 2026  
Commissioning Engineer - NG Person
Job Title: Commissioning Engineer - Transmission Project (Inch Cape Onshore) Location: Inch Cape Onshore, East Lothian, EH32 9SF Sector: Power Transmission / T&D Job Type: Temporary (Contract - LTD) Start Date: ASAP End Date: July 2026 Hours: 10-hour days (11 Days On / 3 Days Off) Pay Rate: £100 per hour (£1,000 per day) Reason for Vacancy: Project delivery requirements on major transmission scheme The Role: We are currently recruiting an experienced Commissioning Engineer to support works on a major transmission project at Inch Cape Onshore. This is an excellent opportunity to work on a high-profile site within a live substation environment, contributing to critical UK grid infrastructure through to mid-2026. Key Responsibilities: Leading and carrying out commissioning of primary and secondary plant at varying voltages Functional testing of protection and control schemes Reviewing, completing and signing off commissioning documentation Ensuring compliance with National...
IR35 Status:
Unknown Status

CV-Library Prestonpans, East Lothian Contractor
CL
Jun 07, 2026  
Lead Commissioning Engineer - National Grid/SSEN Projects
Job Title: Senior / Lead Commissioning Engineer - Transmission Project (Creag Dhubh) Location: Creag Dhubh Sector: Power Transmission / T&D Job Type: Contract (LTD) Start Date: ASAP End Date: 29/03/2027 Hours: 10-hour days Rate: Up to £1,100 per day DOE Overview: We are seeking a highly experienced Senior / Lead Commissioning Engineer to support delivery on the Creag Dhubh transmission project. This role is suited to a seasoned commissioning professional with a strong track record operating at lead level within UK HV transmission environments. Role Requirements: Minimum 5 years' experience operating as a Lead Commissioning Engineer 20+ years' experience within HV transmission substations Proven experience commissioning primary and secondary plant up to 400kV Strong background working on UK transmission projects (National Grid / SSEN preferred) Extensive knowledge of commissioning procedures, safety rules, and live substation environmentsResponsibilities: Leading...
IR35 Status:
Unknown Status

CV-Library Inveraray, Argyll & Bute Contractor
CL
Jun 07, 2026  
Commissioning Engineer
About this Position Are you an experienced and passionate PLC Commissioning Engineer with a background in automated machinery within the Automotive Industry? We are recruiting for a skilled engineer to join the commissioning team on-site at Ford’s Dagenham plant. This role is focused on supporting the delivery of key automation upgrades and installations, with a strong emphasis on adherence to Ford FAST Standards. Key Responsibilities * Commissioning, testing, and troubleshooting PLC (Siemens) software on automated production lines. * Working directly within the Ford Dagenham automotive plant, supporting the launch of automation systems. * Ensuring all software and commissioning work aligns with Ford’s FAST Standards. * Collaborating with on-site teams to deliver smooth integration and ramp-up of production equipment. * Supporting electrical and controls debugging during the commissioning phase. Experience Required * Previous experience working within the...
IR35 Status:
Unknown Status

CV-Library Barking and Dagenham, Greater London Contractor
CL
Jun 05, 2026  
SCADA Specialist/ Commissioning Engineer
Rubicon Consulting is currently recruiting for SCADA Specialist/ Commissioning Engineer on a 6 Week Contract, based in Scotland. Role Summary We are seeking an experienced SCADA Specialist / Commissioning Engineer with strong substation and power systems experience for a short-term contract supporting commissioning activities on a major energy infrastructure project in Scotland. The successful candidate will have a strong background in SCADA systems, substation automation, and commissioning of HV infrastructure, with the ability to work independently in a fast-paced site environment. Key Responsibilities * Commissioning and testing of SCADA systems within HV substations * Integration and validation of substation automation and control systems * Point-to-point testing and verification of communications * Interface testing with protection relays, RTUs, PLCs, and network equipment * FAT/SAT support and on-site troubleshooting * Review and interpretation of...
IR35 Status:
Unknown Status

CV-Library Scotland, UK Contractor
CL
Jun 05, 2026  
Lead Electrical Commissioning Engineer
Lead Electrical Commissioning Engineer - Contract Work (OCGT Power Genereation Project) We are currently seeking an experienced Lead Electrical Commissioning Engineer to join a major OCGT power generation project. This is a key position within the commissioning team, supporting the delivery, energisation, and handover of a large-scale energy infrastructure project. You will be responsible for leading electrical commissioning activities across LV, MV, and HV systems, ensuring all testing and start-up activities are completed safely and in line with project requirements. Key Responsibilities: Lead and coordinate electrical commissioning activities on site Oversee testing, energisation, and system start-up activities Manage commissioning engineers, technicians, and subcontractors Review commissioning procedures, test packs, and documentation Support fault finding and technical troubleshooting Interface with OEMs, construction teams, and client representatives Ensure compliance with...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jun 05, 2026  
Electrical Commissioning Engineer (Immingham)
Overview We're looking for a hands-on Site Electrical Commissioning Engineer to support the delivery of electrical commissioning activities on a major UK site. This is a self-delivery commissioning environment - meaning you must be comfortable personally carrying out testing and commissioning of electrical assets with minimal supervision/support. If you've got strong on-site commissioning experience across LV and MV systems, thrive in fast-paced construction/industrial environments, and can work with minimal supervision, this is a great opportunity to step into a key delivery role. What you'll be doing Lead and execute on-site electrical commissioning activities and reporting Carry out inspections, test/verification and functional performance testing Work closely with Project Managers, Engineers, HSE and other site stakeholders to plan and deliver commissioning safely and efficiently Review design documents/drawings for compliance with specs, standards and codes Identify,...
IR35 Status:
Unknown Status

CV-Library Kingston Upon Hull, East Riding of Yorkshire Contractor
CL
Jun 05, 2026  
Electrical Commissioning Engineer (MPL - Millbrook)
Overview We're looking for a hands-on Site Electrical Commissioning Engineer to support the delivery of electrical commissioning activities on a major UK site. This is a self-delivery commissioning environment - meaning you must be comfortable personally carrying out testing and commissioning of electrical assets with minimal supervision/support. If you've got strong on-site commissioning experience across LV and MV systems, thrive in fast-paced construction/industrial environments, and can work with minimal supervision, this is a great opportunity to step into a key delivery role. What you'll be doing Lead and execute on-site electrical commissioning activities and reporting Carry out inspections, test/verification and functional performance testing Work closely with Project Managers, Engineers, HSE and other site stakeholders to plan and deliver commissioning safely and efficiently Review design documents/drawings for compliance with specs, standards and codes Identify,...
IR35 Status:
Unknown Status

CV-Library Bedfordshire, 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 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
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
Jun 07, 2026  
Electrical Technician
Electrical Technician * Contract (Inside IR35) * Up tp £40.00 per hour (Umbrella) * Location: Abingdon, Oxfordshire (Full-Time Onsite) * Duration: 12 Months * Deadline to submit: 21st May AM Ceto Talent representing a leading UK-based organisation at the forefront of advanced Nuclear energy and engineering research. Overview We are seeking an Electrical Technician to support a major experimental engineering programme, working across a wide range of complex electrical plant and systems. This is a hands-on role covering installation, maintenance, fault finding and commissioning across control systems, power conversion equipment, and LV/HV electrical distribution within a highly regulated, safety-critical environment. Key Responsibilities * Carry out installation, maintenance, fault finding, and repair of electrical systems and equipment * Work across control systems, power conversion systems, and LV/HV distribution * Support inspection and testing of...
IR35 Status:
Inside IR35

CV-Library OX14, Clifton Hampden, Oxfordshire Contractor
CL
Jun 05, 2026  
Commissioning Manager
Commissioning Manager  I am currently looking for an experienced Commissioning Manager to support the installation and commissioning of a major grid stability infrastructure project in South Wales. You will be responsible for overseeing commissioning activities associated with control, instrumentation, and electrical systems, ensuring all works are completed safely, efficiently, and in accordance with project specifications and programme requirements. The role will play a key part in delivering a smooth handover into operations. Requirements Proven experience in a Commissioning Manager or Senior Commissioning Engineer role Strong background in energy projects such as power generation, substations, grid infrastructure, or heavy industrial projects An electrical background is preferred This is initially a 3-month contract with potential for extension, offering competitive day rates on an Outside IR35 basis
IR35 Status:
Outside IR35

CV-Library Pembroke SA71, UK Contractor
CL
Jun 05, 2026  
Process Operator
Role: Process Operator         Location: Oswestry WTW Rate: £400 per shift + Enhanced Overtime/weekend rates - LTD Company/Outside IR35 Duration: 6 Months+ Sector: Water Treatment   Note: We can only accept applications if you have previously worked as a Process/Chemical Operator on a Clean Water Plant for a Water Utility Client such as United Utilities. We can not consider any other background or experience.   An exciting position has come available for a Tier 1 contractor on the United Utilities (UU) water AMP8 framework for a experienced Process operator to work on a contract basis.   Role Requirements for you.   Able to demonstrate knowledge of the clean water assets and processes and be comfortable in an operational environment. The nature of this activity maybe be physically demanding and will require you to be flexible in your approach with a mixture of proactive and reactive work orders.   Responsibilities:   ·Responsibility for process monitoring of the...
IR35 Status:
Outside IR35

CV-Library Oswestry, UK Contractor
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