Electrical Design Engineer – Water Infrastructure (Hybrid)

Totec; Merthyr Tydfil; Hybrid; GBP 50,000 - 61,000; Full time

Job summary

Totec is seeking an Electrical Design Engineer for Water Infrastructure across Swansea/Cardiff/Newport/Merthyr Tydfil. The role covers feasibility to detailed design, with hybrid working and site involvement at water sites.

The successful applicant will deliver LV distribution, control systems, and power protection schemes while ensuring compliance with AMP8 and BS 7671 standards. A relevant degree and water-industry experience are required.

Qualifications

• Degree in electrical engineering or equivalent.
• Experience in electrical design within water/wastewater or regulated process industries.
• Experience delivering designs through feasibility, outline and detailed design stages.
• Knowledge of LV power distribution, motor control, protection, earthing and electrical safety.
• Working knowledge of BS 7671 and related electrical engineering standards.
• Understanding of the Construction (Design and Management) Regulations 2015.
• Ability to produce calculations, specifications, drawings, and technical reports.
• Experience with structured technical assurance and document-control processes.
• Strong communication skills and ability to work with designers, contractors and stakeholders.
• Full UK driving licence and willingness to visit operational water sites.

Responsibilities

• Deliver electrical designs from feasibility and outline design through to detailed design, construction support and handover.
• Produce and review electrical drawings, specifications, calculations, schedules and technical reports.
• Develop designs for LV distribution, motor control centres, control panels, variable-speed drives, generators, UPS systems, lighting, earthing, lightning protection and associated infrastructure.
• Prepare load assessments, cable-sizing calculations, protection studies, discrimination studies and equipment schedules.
• Ensure designs comply with client requirements, AMP8 delivery standards, CDM Regulations and applicable British and international standards.
• Prepare electrical design information and supporting evidence for CAF submissions and governance reviews.
• Contribute to option selection, whole-life cost assessments, risk evaluations and technical recommendations.
• Work closely with civil, mechanical, process, ICA, operations, environmental and construction teams.
• Attend site surveys, design reviews, HAZOP studies, constructability reviews and commissioning meetings.
• Identify design risks, assumptions, constraints, interfaces and opportunities at an early stage.
• Incorporate safety, maintainability, energy efficiency, carbon reduction and operational resilience into every design.
• Respond to technical queries and support procurement, installation, testing and commissioning activities.
• Maintain accurate design records and ensure documentation is produced, reviewed and approved in accordance with project procedures.
• Support the preparation of as-built information, operating documentation and handover packages.

Skills

Electrical design

LV distribution

Motor control centres

Control panels

Protection systems

CDM Regulations knowledge

BS 7671 knowledge

Strong communication skills

Site visits

Documentation control

Education

Degree in electrical engineering

HNC/HND or equivalent

Job description

Totec is seeking an Electrical Design Engineer for Water Infrastructure across Swansea/Cardiff/Newport/Merthyr Tydfil. The role covers feasibility to detailed design, with hybrid working and site involvement at water sites.

The successful applicant will deliver LV distribution, control systems, and power protection schemes while ensuring compliance with AMP8 and BS 7671 standards. A relevant degree and water-industry experience are required.