Electrical Design Engineer

Job Description

Role Purpose

The Senior Electrical Design Engineer will lead the electrical design of water and wastewater treatment assets across the full project lifecycle, from concept and detailed design through to construction support and commissioning. The role requires strong technical expertise in electrical power and control systems, a high standard of design assurance, and the ability to mentor junior engineers while working collaboratively within multi-disciplinary teams.

Key Responsibilities

Electrical Design & Delivery

Lead electrical design activities for water and wastewater infrastructure projects, including treatment works, pumping stations, and network assets

Produce and review electrical designs, calculations, specifications, schedules, and drawings

Ensure compliance with relevant standards, legislation, client specifications, and health & safety requirements

Develop cost-effective, safe, and reliable electrical solutions through optioneering and value engineering

Provide technical support during construction, commissioning, and handover phases

Power, Control & Instrumentation

Design and specify LV power distribution systems, MCCs, switchgear, UPS, and standby generation

Develop earthing, lightning protection, and cable sizing designs

Interface with ICA engineers on control systems, instrumentation, and telemetry requirements

Review supplier and contractor technical submissions and FAT/SAT documentation

Project & Stakeholder Interface

Collaborate closely with mechanical, civil, process, and ICA disciplines to deliver integrated designs

Liaise with clients, contractors, suppliers, and operations teams

Participate in design reviews, HAZID/HAZOP, constructability reviews, and risk assessments

Mentorship & Quality Assurance

Mentor and technically support graduate and intermediate electrical engineers

Review and approve designs produced by others

Contribute to continuous improvement of standards, templates, and best practices

Qualifications

Qualifications & Experience

Essential

Degree (or equivalent) in Electrical Engineering

Significant experience in the water or wastewater sector

Strong understanding of electrical systems used in water treatment and pumping applications

Experience delivering designs from concept through to construction and commissioning

Knowledge of relevant standards (e.g. BS 7671, BS EN, IEC, WIMES, client standards)

Desirable

Experience working on regulated water frameworks

Site experience including commissioning and fault-finding

Knowledge of functional safety and hazardous area design (where applicable)

Familiarity with NEC or similar engineering contracts

Technical Skills

LV power system design and protection coordination

MCC and control panel specification

Earthing and lightning protection design

Electrical load schedules and cable calculations

2D/3D CAD tools

Design risk assessments and CDM compliance

Additional Information

Salary and benefits

Salary TBC

Medicash plan

Life insurance

Benefits portal

Company pension

25 days holiday (plus bank holidays)

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