Senior​/Principal Electrical; EC&I Commissioning Engineer

We are seeking an experienced Senior/Principal Electrical (EC&I) Commissioning Engineer to support a major defence project at a secure, highly regulated site near Reading. This is a senior, site-based role requiring a high level of technical expertise, leadership, and experience in commissioning, testing, and assurance of electrical and control systems within safety‑critical environments.

Role:
Senior/Principal Electrical (EC&I) Commissioning Engineer

Location:

Reading (site-based)

Rate: £55-£70 per hour Inside IR35 (Based on year's experience)

Employment Type:

Contract 12 Months

• Lead and oversee the commissioning, testing, and validation of electrical and EC&I systems on a complex defence project and provide technical leadership and mentorship to junior commissioning engineers and site teams.
• Develop, review, and approve commissioning strategies, test procedures, and method statements, alongside supervising functional testing, fault finding, and troubleshooting of complex electrical and control systems.
• Ensure all commissioning activities comply with project requirements, CDM regulations, and site safety procedures.
• Produce and review high‑quality technical reports, test records, and handover documentation and lead technical reviews, progress meetings, and commissioning coordination sessions.
• Support the resolution of technical issues, non‑conformances, and commissioning shortfalls while acting as a key technical interface between commissioning, design, construction, and safety teams.

• Proven experience in a Senior or Principal Electrical / EC&I Commissioning Engineer role within a highly regulated industry (defence, nuclear, petrochemical, utilities, or similar).
• BEng/MEng in Electrical Engineering.
• Strong technical knowledge of electrical and control system commissioning processes, standards, and best practice.
• Demonstrable experience leading commissioning activities on complex projects.
• In‑depth understanding of CDM regulations and formal permit‑to‑work systems.
• Ability to interpret and challenge electrical designs, schematics, and control system documentation.
• Strong fault‑finding and problem‑solving capability on complex systems.

Please note that this role requires Security Clearance; if clearance is not held, this role will not be suitable for you!

If you are qualified and interested, please apply or email: (url removed)