Principal Electrical (EC&I) Commissioning Engineer in Reading

Job Description

Principal Electrical (EC&I) Commissioning Engineer – site based near Reading for a major defence project.

Location: Reading (site-based)

Rate: £70 per hour – Inside IR35 (based on year’s experience)

Employment Type: Contract – 12 months

Key Responsibilities

• Lead and oversee the commissioning, testing, and validation of electrical and EC&I systems on a complex defence project, providing technical leadership and mentorship to junior commissioning engineers and site teams.
• Develop, review, and approve commissioning strategies, test procedures, and method statements, while 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, leading technical reviews, progress meetings, and commissioning coordination sessions.
• Support resolution of technical issues, non‑conformances, and commissioning shortfalls, acting as a key technical interface between commissioning, design, construction, and safety teams.

Essential Experience & Skills

• Proven experience in a Principal Electrical / EC&I commissioning engineer role within a highly regulated industry (defence, nuclear, petrochemical, utilities, or similar).
• 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.

Note: This role requires UK Security Clearance.

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