Principal Electrical Design Engineer - UK Wide

MWH Treatment Limited; Hattersley; Hybrid; GBP 70,000 - 110,000; Full time

Job summary

MWH Treatment is seeking a Principal Electrical Design Engineer to lead design delivery across water and wastewater projects in the UK. Hybrid working and site attendance are expected.

You will own electrical design activities, drive quality and governance, mentor engineers, and contribute to bids and technical strategy, delivering safe, compliant solutions.

Qualifications

• Essential: Degree in Electrical Engineering (BEng/MEng) and significant experience in electrical design for water/wastewater facilities.
• Proven ability to lead multidisciplinary teams and manage technical delivery across projects.
• Strong understanding of LV/HV power distribution, motor control centres and standby generation.

Responsibilities

• Lead and coordinate complex electrical design for water/wastewater projects.
• Provide technical leadership across multidisciplinary project teams.
• Develop innovative, practical, and risk-balanced engineering solutions.
• Ensure designs are safe, compliant, buildable and cost-effective.
• Produce, review and approve calculations, specifications, reports and drawings.
• Support major bids and contribute to delivery strategies.
• Mentor engineers and designers to raise technical capability.

Skills

Electrical design

Leadership

Power systems

HV/LV distribution

MS project coordination

Education

Degree in Electrical Engineering (BEng/MEng)

Tools

Standards BS 7671

Job description

We arelooking to strengthen our engineering team with a Principal EICA Engineerbased at a suitable location within the UK, hybrid working available with an expectation to attend sites on a regular basis.

Power the Future of Water Infrastructure

At MWH Treatment, we're looking for a talented Principal Electrical Design Engineer to provide technical leadership across some of the UK's most important water and wastewater infrastructure projects.

This is an exciting opportunity for an experienced electrical engineering professional to lead the design and delivery of complex projects, influence technical strategy, support major bids, and mentor the next generation of engineers. You'll play a key role in delivering safe, innovative and cost-effective electrical solutions that support critical infrastructure and environmental sustainability.

As a recognised technical expert, you will take ownership of electrical engineering design activities, ensuring projects are delivered to the highest standards of quality, safety and compliance.

The Role

As a Principal Electrical Design Engineer, you will provide authoritative technical leadership across a portfolio of projects, guiding multidisciplinary teams to deliver robust electrical engineering solutions.

Working closely with Discipline Leads, Chief Engineers, Project Managers, construction teams, clients and suppliers, you will transform complex project requirements into practical, compliant and commercially sound designs while driving engineering excellence throughout the project lifecycle.

Key Responsibilities

• Lead and coordinate the delivery of complex electrical engineering designs within the water and wastewater sector.
• Provide technical leadership and guidance across multidisciplinary project teams.
• Develop innovative, practical and risk-balanced engineering solutions.
• Ensure all electrical designs are safe, sustainable, compliant, buildable and cost-effective.
• Produce, review and approve electrical calculations, specifications, reports, drawings and design documentation.
• Support major project bids and contribute to successful project delivery strategies.
• Act as a technical reviewer and maintain high standards of engineering governance and quality assurance.
• Manage technical delivery from high-level project briefs, balancing programme, cost, quality and resource requirements.
• Identify, assess and manage technical risks, ensuring issues are addressed proactively.
• Work closely with clients, contractors, suppliers and internal stakeholders to achieve project objectives.
• Support and mentor engineers and designers, helping to develop technical capability across the business.
• Promote a culture of continuous improvement, safety, customer focus and engineering excellence.

You'll be an experienced Electrical Design Engineer with a strong technical background and a proven ability to lead complex projects within the water, utilities or infrastructure sectors.

EssentialDegree qualified in Electrical Engineering (BEng, MEng or equivalent).

Significant experience delivering electrical engineering design solutions within the UK water and wastewater industry.

Strong understanding of electrical systems associated with water and sewage treatment facilities.

Experience leading multidisciplinary engineering design projects.

Knowledge of LV and HV power distribution, motor control centres, standby generation, power systems and industrial installations.

Ability to develop practical, efficient and economical engineering solutions.

Good understanding of related engineering disciplines including mechanical, civil, process engineering and project management.

Strong appreciation of automation, control and instrumentation systems (EICA).

Excellent technical judgement, problem-solving and decision-making skills.

Ability to present technical proposals clearly, confidently and convincingly to clients and stakeholders.

Strong coordination and leadership skills with a commitment to quality, safety and project delivery.

DesirableChartered Engineer (CEng) status.

Experience as a technical reviewer, approver or signatory.

Strong knowledge of relevant electrical standards and regulations, including BS 7671.

Previous experience managing or mentoring engineering teams.

Established professional network within the UK water sector.

Experience of electrical design for treatment works, pumping stations and related infrastructure.

Why Join MWH Treatment?

Work on major water and wastewater projects that genuinely impact communities across the UK.

Take a leading role in shaping technical solutions for nationally significant infrastructure.

Collaborate with highly experienced multidisciplinary teams.

Enjoy excellent opportunities for career progression and professional development.

Join a business committed to innovation, sustainability, quality and safety.

Join Us

If you're an experienced Electrical Design Engineer seeking a senior technical leadership position where you can influence project success, develop engineering talent and drive technical excellence, we'd love to hear from you.Join MWH Treatment and help deliver the critical infrastructure that keeps water flowing for millions of people across the UK.