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Principal Mechanical Engineer, Water Sector

Cardiff, gb💼 Full-time🗓 2026-06-08 → 2026-09-25

Core

Lead mechanical engineering design for water and wastewater infrastructure projects, from feasibility to detailed design and construction support.

Role type

Principal Mechanical Engineer (Water Sector)

Builds

Multi-discipline engineering designs for water and wastewater infrastructure schemes.

Domain

Water and wastewater infrastructure

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

pump station design, piping design, valve selection, hydraulics, engineering report review, design drawing production, technical specification creation, site surveying, P&ID production, project budget and schedule management

Preferred skills

Chartered Engineer status (IMechE), experience with multi-billion pound capital programmes, collaboration with Tier 1 contractors

Technologies

MEICA solutions, P&ID tools, hydraulic modeling software

Responsibilities

Develop feasibility studies, outline and detailed designs; Create design drawings and prepare technical specifications; Collaborate with multidisciplinary teams; Ensure high technical quality and contribute to bids; Manage project budgets and schedules; Design mechanical installations for pumps, screens, valves, and odour control; Conduct site surveys and liaise with clients and contractors.

Seniority

Principal, hands-on IC with strategic delivery responsibility

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