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Posted 05 August, 2026

Design Engineer

J3A Recruitment
Reading, ENG, GB Full Time

Job Description

Electrical Design Engineer – Water & Wastewater

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Up to £60,000 + Benefits

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We’re recruiting an experienced Electrical Design Engineer to join a forward-thinking and growing engineering business delivering specialist projects across the UK water sector.

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This is an excellent opportunity to play a key role in the design, development and delivery of electrical systems supporting wastewater treatment plants, pumping stations and associated infrastructure.

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As an Electrical Design Engineer, you’ll work closely with multidisciplinary teams to produce safe, efficient and fully compliant designs that integrate with mechanical, process and civil engineering requirements.

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Your responsibilities will include:

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• Producing SLDs, cable block diagrams, load schedules, termination drawings and cable schedules

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• Developing detailed power distribution, control system and instrumentation designs

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• Completing cable sizing, load, voltage-drop, fault-level and protection-coordination calculations

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• Selecting and specifying MCCs, motors, VSDs and field instrumentation

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• Ensuring designs comply with British Standards, WIMES and client specifications

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• Developing control philosophies and interfacing with PLC and SCADA systems

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• Participating in HAZOPs, design reviews and risk assessments

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• Supporting procurement, manufacturing, installation and commissioning

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• Reviewing supplier and subcontractor designs

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• Conducting site surveys and supporting onsite testing and troubleshooting

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• Providing technical input into project scopes and client quotations

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The successful Electrical Design Engineer will ideally have:

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• An HNC or HND in Electrical Engineering, with a degree advantageous

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• City & Guilds 2382-22 – 18th Edition

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• City & Guilds 2396 – Design, Erection and Verification

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• Previous water, wastewater or related infrastructure experience

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• Strong experience producing detailed electrical drawings and schedules

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• Experience using Trimble Amtech and Autodesk 2D

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• Knowledge of LV motor control centres and control-panel design

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• IEng or CEng status would be advantageous but isn’t essential

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What’s on offer?

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Salary of up to £60,000

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Company pension

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On-site parking

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Interesting and technically varied water-sector projects

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The opportunity to join a progressive, expanding engineering business

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Genuine scope to influence designs and contribute across the full project lifecycle

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If you’re an Electrical Design Engineer with water-sector experience who wants greater project ownership and the opportunity to join a growing business, I’d be keen to speak with you.

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📩 Send your CV to [email protected] or message me directly for a confidential conversation.

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#ElectricalEngineering #WaterIndustry #Wastewater #ElectricalDesign #MEICA #MCC #WIMES #ControlSystems #EngineeringJobs #J3ARecruitment