💼 Full-Time Position

Principal Mechanical Engineer

🏢
Advance TRS
📍 St Albans, Hertfordshire, United Kingdom
📍
Location
St Albans, United Kingdom
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Posted
June 06, 2026
Type
Full-Time
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Full-Time Opportunity: This is a permanent, full-time position with a competitive package and real career growth potential.

Job Description

Principal Mechanical Engineer - Water Sector

St Albans: Hybrid (3 Days Office)
Permanent: £60-70k

Advance TRS are supporting a rapidly growing consultancy in their search for a Principal Mechanical Engineer. Joining a newly formed London business unit, you'll have the unique opportunity to help build a team from the ground up, influence how projects are delivered, and play a significant role in the future growth of the business within the UK water market.

You'll lead the mechanical design of clean water and wastewater projects, producing high-quality engineering solutions while mentoring junior engineers and coordinating multidisciplinary design teams.

Key Responsibilities:

* Deliver mechanical design solutions for water and wastewater projects
* Produce calculations, reports, specifications and design drawings
* Lead and review work from junior engineers and CAD technicians
* Coordinate with suppliers, manufacturers and subcontract de...