Lead Mechanical Engineer, Water & Wastewater

Jacobs; Leeds; Hybrid; GBP 55,000 - 85,000; Full time

Job summary

Jacobs is hiring for a newly created role in the UK water sector. You will lead FEED studies, design mechanical assets from pumping stations to treatment plants, and contribute to feasibility and commissioning across major infrastructure projects.

You will collaborate with water companies, apply UK standards, and mentor multidisciplinary teams while working in a hybrid model that balances office and project site time.

Qualifications

• Experience across the project lifecycle within infrastructure or similar complex environments.
• Sound understanding of mechanical process based systems used in water/wastewater/effluent/biomass treatment.
• Knowledge of UK industry standards, health & safety, and environmental compliance.
• Robust understanding of current health, safety and welfare legislation.
• Familiarity with design tools such as AutoCAD, Revit, or BIM.

Responsibilities

• Leading and contributing to FEED and optioneering studies, developing technical solutions that balance performance, risk, sustainability and whole-life cost.
• Engineering and Design of critical water and wastewater assets — from pumping stations to treatment plants.
• Value engineering and buildability improvements that make real-world impact.
• Feasibility studies, detailed designs, and commissioning support for major infrastructure.
• High‑quality technical outputs including layouts, specifications, datasheets, and P&IDs.
• Equipment sizing and specification across pumps, blowers, valves, screening, dosing, and odour control systems.
• Site investigations and engagement with clients, contractors, and suppliers.
• Achieve compliance with UK water industry standards, health & safety, and environmental requirements.
• Technical guidance, mentoring, and collaboration within multidisciplinary teams.
• Project planning support including scheduling, risk, change control, and forecasting.
• Early integration of constructability and commissioning into design solutions.

Education

Degree in Mechanical Engineering

Tools

AutoCAD

Revit

BIM

Job description

Jacobs is hiring for a newly created role in the UK water sector. You will lead FEED studies, design mechanical assets from pumping stations to treatment plants, and contribute to feasibility and commissioning across major infrastructure projects.

You will collaborate with water companies, apply UK standards, and mentor multidisciplinary teams while working in a hybrid model that balances office and project site time.