Lead Mechanical Design Engineer – Water Infrastructure

Tetra Tech Europe; Warrington; Hybrid; GBP 75,000 - 100,000; Full time

Job summary

Tetra Tech Europe is seeking multiple Principal Mechanical Design Engineers to lead mechanical design delivery across major UK water frameworks. You will own designs for pumping systems, aeration and plant equipment, from optioneering through detailed design and construction support.

Hybrid working with regional office attendance, you will coordinate multi‑disciplinary teams, engage clients, and provide technical assurance on multi‑million‑pound schemes across AMP8/AMP9 portfolios.

Qualifications

• Expected: IMechE‑accredited degree or equivalent, chartered or working towards chartership, substantial water sector experience.
• Desirable: postgraduate qualification and demonstrable AMP programme experience.
• Demonstrable experience sizing and specifying pumps, aeration systems and plant equipment.
• Ability to integrate mechanical designs with civil, structural, electrical and ICA disciplines.

Responsibilities

• Lead mechanical design outputs for pumping systems, aeration and process plant equipment.
• Coordinate multi‑disciplinary teams and engage clients and supply‑chain partners.
• Provide technical assurance on multi‑million‑pound capital schemes.
• Deliver site survey outputs and optimise plant performance over time.

Skills

Pumping and process systems design

Multidisciplinary coordination

Technical documentation and digital

Regulatory, safety and constructabilty

Commercial and client engagement

Education

IMechE-accredited degree or equivalent

Chartered or working towards chartership

Postgraduate qualification

AMP programme experience

Tools

AutoCAD/3D tools

Job description

Tetra Tech Europe is seeking multiple Principal Mechanical Design Engineers to lead mechanical design delivery across major UK water frameworks. You will own designs for pumping systems, aeration and plant equipment, from optioneering through detailed design and construction support.

Hybrid working with regional office attendance, you will coordinate multi‑disciplinary teams, engage clients, and provide technical assurance on multi‑million‑pound schemes across AMP8/AMP9 portfolios.