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Senior/Principal Mechanical Engineers

Warrington, England, gb💼 Full-time🗓 2026-03-26 → 2026-07-31

Core

Senior/Principal Mechanical Engineer specializing in sewage treatment processes, hydraulic design, and plant equipment for the water industry.

Role type

Senior/Principal Mechanical Engineer (Water/Wastewater)

Builds

Sewage treatment plants, hydraulic systems, and mechanical equipment for water utilities.

Domain

Water industry / Wastewater treatment / Civil Engineering

Deliverable

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

Required skills

Hydraulic calculations, CAD management, technical reviews, feasibility and detailed design, proposal estimation, line management, mentoring, regulatory compliance (DSEAR, CDM, WIMES, British/European Standards), P&ID development, commissioning strategies, CAPEX/OPEX analysis

Preferred skills

AutoCAD, DSEAR assessments, knowledge of United Utilities engineering standards

Technologies

AutoCAD, Microsoft Office 365

Responsibilities

Generate innovative solutions for sewage treatment problems; manage CAD resources and produce engineering drawings; mentor junior engineers and provide line management; conduct technical reviews and feasibility studies; develop design solutions including P&IDs and hydraulic designs; prepare technical reports and cost/programme estimations; participate in hazard studies (HAZOP, Access, Lifting, Maintenance).

Seniority

Senior/Principal, hands-on IC with management responsibilities

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