Avonmouth / Bristol area - Site based
Join Trant Engineering and help shape the delivery of complex, high-impact projects.
Trant Engineering is a leading EPC contractor with a strong reputation for delivering innovative engineering solutions across the UK and internationally. With over 1,000 employees and a £150m turnover, we’re growing—and now looking for a Commissioning Engineer to play a key role in our project delivery teams.
The Role
What You’ll Be Doing
- Provide commissioning input into project design and construction stages.
- Execute commissioning activities from pre-commissioning through to start-up, testing, and handover.
- Commission mechanical, electrical, ICA, and control systems in line with approved procedures.
- Carry out and support FATs, SATs, functional testing, and performance testing.
- Support system start-up, fault finding, defect rectification, and optimisation.
- Work across multiple projects and sites as required by programme needs.
- Carry out all commissioning activities in accordance with UK health and safety legislation and site procedures.
- Prepare and follow commissioning risk assessments, method statements, and permits to work.
- Comply with CDM Regulations, electrical safety rules, and isolation procedures.
- Promote a strong safety culture during commissioning and start-up activities.
- Coordinate day-to-day commissioning activities with construction and engineering teams.
- Support commissioning readiness checks and staged handovers.
- Liaise with subcontractors, suppliers, and OEMs during testing and commissioning.
- Assist with client witness testing and acceptance activities.
- Production of Commissioning Plans and Inspection and Test Plans.
- Complete commissioning test sheets, records, and certificates accurately and on time.
- Contribute to O&M manuals, asset data, and handover documentation.
- Support operator training and operational readiness activities.
- Permits, audits, and compliance support.
- Programme coordination and progress reporting.
- Uphold and promote the Company’s Core Values – Care, Trust, Respect and Sustainability.
What We’re Looking For
- NVQ Level 3, HNC or HND+ in Electrical Engineering or equivalent.
- ECS/CSCS.
- Proven hands-on commissioning experience in water and/or energy sector.
- Experience with mechanical, electrical, instrumentation, and control systems (MEICA).
- Execution of pre-commissioning, start-up, functional testing, and performance testing.
- Experience supporting system start-up, fault finding, and defect rectification.
- Experience commissioning PLC, SCADA, and automation-heavy systems.
- COMPEX, or similar technical qualifications.
- Proven experience in water sector projects.
- Familiarity with regulatory compliance and inspections (EA, DWI, HSE).
Why Join Trant?
Our teams design and deliver full EPC solutions, combining technical excellence with practical, hands-on delivery. We offer end-to-end capabilities – from concept and design through to manufacturing, construction and commissioning utilising a continually evolving in-house expertise. This means you’ll work on projects that are varied, challenging and genuinely impactful.
Our multi-disciplinary teams bring together specialists in civil, mechanical, electrical, process, instrumentation, and control & automation engineering, alongside our in-house manufacturing of control panels, MCCs, PLCs and SCADA systems. With over 1,000 people and a strong, growing pipeline of work, it’s an exciting time to join Trant. We are committed to helping our people succeed through our Career Development Association, providing structured support, mentoring and clear pathways to help you reach your full potential.
Commissioning Engineer in Exeter employer: Trant Engineering
Trant Engineering is an exceptional employer, offering a dynamic work environment where you can contribute to high-impact engineering projects that shape national infrastructure. With a strong commitment to employee development, we provide structured support and clear career pathways, alongside a competitive benefits package that includes generous holiday entitlement and a pension scheme. Join us in a collaborative culture that values care, trust, respect, and sustainability, and make a meaningful difference in your career as a Payroll Technician.
