Mechanical Engineer London & M25 £45,000 – £50,000 This is a fantastic opportunity for someone who thrives in a fast-paced environment, enjoys variety in their work, and is passionate about delivering high-quality service. You’ll be responsible for maintaining, servicing, and repairing hydraulic, pumping, and pipework systems across a variety of commercial and residential sites. The Role You’ll be responsible for servicing, maintaining, and repairing mechanical and HIU systems. This will involve working across energy centres, large plant rooms, and building distribution systems. Key tasks include fault finding, commissioning, balancing, and flow control. You will also be expected to manage system drain downs and perform pump and valve replacements, along with plate heat exchanger servicing. Key Duties Service and maintain hydraulic, pumping, and pipework systems Balance, commission, and control flow within systems Maintain pressure vessels, pressurisation units, and HIUs Fault finding, accurate reporting, and providing recommendations Manage system drain downs and refills, pump and valve replacements Service and maintain plate heat exchangers Work in energy centres, large plant rooms, and building distribution systems Ensure safe working practices, including awareness of gas boilers, electrical systems, and plant controls Requirements Minimum 3 years’ experience in HIU systems (planned maintenance and breakdowns) Full UK driving licence and clear DBS Based within a commutable distance of Central London Right to work in the UK Salary & Benefits £45,000 – £50,000 per annum (plus c. £5k overtime) 25 days holiday 8 bank holidays Generous sick pay and accident insurance Loyalty bonus after 2 years’ service Life assurance (2x salary) Private GP access and 24/7 counselling via EAP Annual eye care reimbursement Reward & recognition schemes (Employee of the Quarter, Manager incentives) Training Academy and mentor programme for ongoing development Tech Desk support to assist in the field