We are seeking an experienced Facilities Engineer with a strong mechanical bias to support planned and reactive maintenance activities within a critical plant environment. The successful candidate will be responsible for PPM delivery, diagnostics, fault finding, and ensuring the reliability of HVAC and associated mechanical systems. This role requires a competent and self-sufficient engineer capable of working within live environments where plant uptime is essential. Key Responsibilities • Delivery of planned preventative maintenance (PPM) in accordance with site schedules • Reactive maintenance and fault finding on mechanical and HVAC systems • Diagnostic testing and rectification of plant failures • Maintenance and servicing of air handling units (AHUs) • Maintenance and fault finding on chillers • Working on pumps, motors, valves, pipework and associated mechanical plant • Monitoring and maintaining critical plant systems to ensure operational continuity • Completion of service reports and maintenance documentation • Ensuring compliance with health and safety standards at all times Plant and Systems Experience • HVAC systems • Air Handling Units (AHUs) • Chillers • Pumps and pressurisation units • Mechanical distribution systems • BMS interface awareness (desirable) Requirements • Proven background in facilities maintenance or building services eng...