Job Description
JOB TITLE: Commissioning Engineer
Location: UK-wide (with travel to client sites)
Salary: £60,000 – £80,000 + Van & Expenses
Job Type: Permanent, Full-time
Sector: Power & Energy – HV / Electrical Engineering
About the Company
This is a high-voltage engineering specialist that’s made its mark in the power, renewables and utilities sectors. They’re known for being hands-on, practical and delivering the full package — from design through to construction, commissioning and maintenance. With projects running across the UK and a growing client list that includes some of the biggest names in the industry, this is a place where engineers can step up and build a long-term career.
About the Role
As a Commissioning Engineer, you’ll be at the sharp end of testing, commissioning and energising HV equipment across substations, renewables and industrial projects. You’ll be the one making sure systems are safe, compliant and ready to go live, while working closely with project managers, clients and site teams. This isn’t just a role for carrying out tests — you’ll be expected to bring leadership on-site, share your technical expertise and guide others in the team.
The key requirements for this Commissioning Engineer role are:
1. Lead commissioning and testing of HV/LV systems including switchgear, transformers, relays and protection systems
2. Carry out secondary injection, primary injection and functional testing in line with project specs
3. Take responsibility for energisation of high-voltage systems, ensuring safety is always the priority
4. Prepare and sign off commissioning documentation, reports and client handovers
5. Work closely with engineers, project managers and contractors to hit deadlines and deliver safely
6. Provide guidance and mentoring to technicians and junior staff on-site
Experience required for this Commissioning Engineer role are:
7. Proven background commissioning HV and LV electrical systems
8. Strong technical knowledge of protection schemes, testing and HV safety rules
9. Able to interpret electrical drawings and schematics confidently
10. Experience across substations, utilities or renewables projects
11. Comfortable leading on-site commissioning activities and working with client teams
12. Full UK driving licence and flexibility to travel across the UK
Desirable knowledge, skills and experience for this Commissioning Engineer role are:
13. Senior Authorised Person (SAP) status or HV Authorisation
14. Experience with transmission and distribution networks
15. Previous involvement in renewables projects such as solar, wind or BESS
16. Electrical qualifications (ONC/HNC/Degree) in Electrical or Power Engineering
Package and Benefits of the Commissioning Engineer role:
17. £60,000 – £80,000 salary depending on experience
18. Van and expenses package for site travel
19. 25 days’ holiday plus bank holidays
20. Overtime and allowances for site work
21. Training, development and support towards further authorisations
22. Career progression in a growing HV engineering business