Diesel Engine Commissioning Engineer – DV Cleared Location: AWE, Berkshire On‑Site: 3–4 days per week Clearance: Active DV required We’re looking for an experienced Diesel Engine Commissioning Engineer to support commissioning and testing of critical diesel generator systems at a secure government site. This role suits someone confident working in highly regulated environments and able to deliver hands‑on commissioning with precision and independence. Key Responsibilities * Commission and test diesel engines and generator systems * Diagnose faults and resolve technical issues during installation and start‑up * Produce commissioning records, reports, and technical documentation * Work closely with engineering and project teams to ensure system readiness * Maintain strict safety, quality, and security standards Essential Experience * Strong background in diesel engine or generator commissioning * Solid understanding of mechanical, electrical, and control interfaces * Skilled in troubleshooting and interpreting technical drawings * Experience in defence, nuclear, or other high‑security environments * DV clearance is mandatory Desirable * Knowledge of auxiliary systems (fuel, cooling, exhaust) * Familiarity with generator controls, PLCs, or SCADA systems