Job Title: Operations Engineer – Large Engine Systems Location: Field-Based (UK Wide / Region-Specific) Reports To: Operations Manager Job Type: Full-time, Permanent We are seeking a skilled and proactive Operations Engineer with hands-on experience in large gas engine systems to join our growing team. This field-based role plays a critical part in the operation, maintenance, and optimisation of a fleet of large engine assets across multiple sites. You will take ownership of both routine and reactive tasks, including servicing, major overhauls, stock control, and close collaboration with operations teams to ensure reliability and efficiency. This is a field-based role involving travel to multiple operational sites, including industrial, commercial, and utility-scale environments. Key Responsibilities Operations Management: Oversee the performance and availability of a fleet of large engine assets, ensuring high operational uptime and efficient output. Servicing and Maintenance: Perform scheduled servicing, diagnostics, and fault-finding on large gas engines (typically >250kW). Engine Rebuilds: Lead or assist in major overhauls and rebuilds of gas engines as required. Call-Outs & Emergency Repairs: Respond to out-of-hours breakdowns and faults on a rotational basis, resolving issues swiftly to minimise downtime. Stock Control: Manage and track critical spare parts inventory, ensuring tools and components are available across multiple sites to support field operations. Operational Support: Work closely with the central operations team and site-based staff to plan maintenance windows, implement improvements, and ensure health & safety compliance. Partner Engagement: Liaise with third-party suppliers, engine manufacturers, and service partners to coordinate maintenance activities and resolve technical issues. Documentation & Compliance: Maintain accurate service records, risk assessments, and compliance documentation in line with company and legal requirements. Skills & Experience Essential: Proven experience working with large gas engines (e.g. Jenbacher, MAN, MTU, MWM, or similar) Strong mechanical and electrical diagnostic skills Experience in engine servicing, rebuilds, and fault resolution Familiarity with stock management systems and spare parts logistics Full UK driving licence and willingness to travel regionally and nationally Right to work in the UK Desirable: Experience managing or supporting a fleet of engine-driven assets OEM training or manufacturer certifications Basic understanding of control systems (e.g. COMAP, SCADA, BMS) IOSH or other health & safety qualifications What We Offer Competitive salary plus on-call allowance and overtime Company vehicle or vehicle allowance Tools, PPE, and specialist equipment provided Pension contribution and health benefits Ongoing training and professional development opportunities