Senior Mechanical Design Engineer

Position: Senior Mechanical Design Engineer (Permanent)
Senior Mechanical Design Engineer - Water & Wastewater Infrastructure

Are you a Senior Mechanical Design Engineer with proven UK water/wastewater experience? Join a growing multidisciplinary team delivering treatment and network infrastructure projects across the South.

The Role

You'll lead mechanical design delivery from feasibility and outline design through to detailed design and construction/commissioning support. You'll own design packages, review technical outputs and coach engineers to ensure safe, compliant, buildable solutions.

Key Responsibilities

Lead mechanical design for treatment plants, pumping stations, pipelines and associated assets

Produce/review calculations, specifications, schedules and technical documentation

Review and approve work from engineers and CAD designers

Develop solutions for pumps, pipework, valves, rotating equipment and process plant

Coordinate with civil, process and EICA teams to deliver integrated designs

Lead/support client meetings, design reviews and technical workshops

Ensure compliance with BS EN, WIMES, DSEAR, Eurocodes and relevant UK regulations

Support site visits, inspections and commissioning across the South (occasional nationwide travel)

Mentor junior engineers and drive continuous improvement within the mechanical discipline

About You

7+ years' mechanical design experience in UK water/wastewater projects

Degree in Mechanical Engineering (or similar); CEng or working towards desirable

Strong knowledge of mechanical systems used in treatment and network infrastructure

Confident using AutoCAD and mechanical design/modelling tools (Revit advantageous)

Solid understanding of H&S and regulatory compliance in a regulated environment

Able to manage workload, prioritise and deliver design packages to time/cost/quality

Clear communicator, comfortable presenting and defending design decisions

Working Pattern

A mix of office-based, hybrid and site work with travel across the South of England and occasional nationwide projects.

What's on Offer

Salary up to £75,000 depending on experience

25 days' annual leave plus bank holidays

Pension scheme

Discretionary bonus

Private healthcare

Death in Service benefit

Hybrid working

Apply

If you're a Senior Mechanical Design Engineer looking to lead high-impact water infrastructure projects, we'd welcome your application