Senior / Principal Mechanical Engineer - Water Location: London Contract Type: Permanent Salary: 60,000 - 72,000 Key Responsibilities Own mechanical design outputs to safety and quality standards Produce calculations, drawings, specifications, and technical reports Lead and develop CAD technicians Manage subcontract design interfaces, including MandE Scope and review third-party designs Engage suppliers, review tenders, and support equipment selection Manage design changes and documentation Support design estimating and planning Present at technical and client meetings Requirements Mechanical design experience in the UK water sector Exposure to clean and wastewater, infrastructure and non-infrastructure projects Hydraulic design and calculation experience Knowledge of UMON or similar upgrade schemes Good understanding of construction methods and drawing practices Experience mentoring junior engineers and technicians Chartered, or working towards chartership Degree, HND or equivalent ..... full job details .....