Principal Electrical Design Engineer - UK Wide

We are looking to strengthen our engineering team with a Principal EICA Engineer based 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.