As a Field-based M&E Technician, you will be responsible for both preventative and reactive maintenance across a wide range of mechanical, electrical, instrumentation, and control systems. Your work will help maintain critical infrastructure that keeps water treatment processes running smoothly. Key Responsibilities: Working on water treatment plants, wastewater treatment sites & associated systems carrying out planned and reactive maintenance on M&E assets Respond to breakdowns and conduct fault-finding, diagnosis, and repairs Support instrumentation calibration and adjustments where required Ensure compliance with site health & safety standards and company procedures Work independently across multiple sites, managing your own workload and travel About You You’ll bring a strong technical background, a commitment to safety, and the confidence to work autonomously in a field-based environment. Essential Requirements: NVQ Level 3 in Electrical or Mechanical Engineering (or equivalent) 18th Edition (BS7671) Industrial maintenance experience M&E background (water sector experience welcomed but not essential) Full UK driving licence Strong safety awareness What We Offer Competitive salary & overtime opportunities Company vehicle, fuel card & tools Training and development pathways Pension, holidays & additional company benefits A chance to work within an essential industry supporting critical national infrastructure If you’re a motivated and safety-focused technician with a passion for hands-on engineering, we’d love to hear from you. Apply today to join a growing team supporting London’s vital water networks