Commissioning Engineer Contract Jobs
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41 Contract jobs
Commissioning Engineer - Major Water Treatment Project
Posted 2 days ago by Hays
Contract Role Inside IR35 LeicestershireHays Civil Engineering are recruiting for a Commissioning Engineer to join a lea...
- Rate Not specified
- Category Inside
- Work type Not specified
- Location Loughborough, Leicestershire
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Commissioning Engineer – Cardiff onsite – 3 months+
Posted 1 week ago by Next Ventures
The RoleSupport Commissioning and testing of the DC siteAssist in troubleshooting PLC, SCADA, network, and other control...
- Rate Not specified
- Category Not specified
- Work type Onsite
- Location Newport, United Kingdom
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Commissioning Engineer
Posted 1 week ago by Quest (Sports Investigations, Intelligen...
Qualifications / Essential RequirementsEngineering degree or equivalent including power systems and power electronics su...
- Rate Not specified
- Category Not specified
- Work type Hybrid
- Location Stafford, England, United Kingdom
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About Our Commissioning Engineer Contract Roles
What does a commissioning engineer contractor do?
Commissioning Engineer contractors are engaged to oversee and execute the systematic testing, verification, and handover of engineering systems, plant, and equipment, ensuring that installations perform to their design specification before being handed over to the client or operations team. The work spans pre-commissioning activities such as punch list management and documentation review, functional testing of mechanical, electrical, and control systems, performance testing and optimisation, and the preparation of handover documentation. Commissioning Engineers are used across a broad range of sectors including oil and gas, power generation, pharmaceuticals, food and beverage, water treatment, HVAC, and building services, wherever complex engineering systems require systematic verification before they enter service.
Clients expect Commissioning Engineer contractors to bring depend heavily on the sector and system type. Mechanical Commissioning Engineers need a strong understanding of fluid systems, rotating equipment, and process instrumentation. Electrical Commissioning Engineers require expertise in HV and LV electrical systems, switchgear, protection relay testing, and cable testing. For process plant and facilities, experience with loop checking, functional safety testing to IEC 61511, and DCS or PLC system commissioning is standard across the market. Across all disciplines, the ability to manage commissioning programmes, coordinate multi-discipline teams and subcontractors, and maintain rigorous documentation standards is as important as hands-on technical skill.
What is the market like for commissioning engineer contractors?
Commissioning Engineer contracting is a specialist market tied closely to the capital investment cycle in the sectors that use engineered plant and infrastructure. Oil and gas, offshore wind, nuclear new build, and large pharmaceutical facility construction are among the most active sources of commissioning contract work in the UK. The energy transition is generating new commissioning demand in offshore wind, battery storage, and hydrogen projects, creating opportunities for engineers who can adapt their commissioning expertise to new technologies. Compensation reflects the specialist and often safety-critical nature of the work, with experienced Commissioning Engineers on major projects commanding day rates at the upper end of the engineering contractor market.
How much do commissioning engineer contractors usually earn?
Contract rates for commissioning engineer roles typically range from £350 to £700 per day, depending on the scope of the role, required expertise, and the delivery expectations of the engagement.
How many commissioning engineer vacancies are there on Quality Contracts?
Over the past twelve months, we have tracked over 150 commissioning engineer contract roles across the site. Data reviewed up to July 2026.