Join a high-performing engineering team where your expertise will drive complex projects, influence client strategy, and deliver innovative electrical solutions across diverse sectors.

Purpose & Scope of the Role

As a Principal Electrical Building Services Engineer, you will lead the design and delivery of electrical engineering solutions across a varied project portfolio in sectors such as life sciences, defence, education, commercial, healthcare and more. You will take ownership of multiple medium-complexity projects or key packages within larger schemes, ensuring delivery aligns with client briefs, programme requirements and industry standards.

You will play a pivotal role in client engagement—building lasting relationships, providing technical advice, and supporting business development. Internally, you will contribute to team leadership, mentoring engineers and supporting resource planning, while maintaining a hands-on approach to design and project execution.

Your Impact in this Position

You will influence project outcomes from concept through to completion, ensuring technical excellence, sustainability, and compliance. Your leadership will strengthen delivery capability, enhance client satisfaction, and support the growth of both people and projects within the team. By combining technical expertise with commercial awareness, you will help secure future opportunities and elevate design standards across disciplines.

Core Capabilities

• Technical Design Excellence: Lead and review detailed electrical designs, calculations, specifications and reports. Deliver compliant, efficient and sustainable solutions across all RIBA stages. Apply industry standards, regulations and best practice confidently
• Project & Delivery Leadership: Manage multiple projects or workstreams with minimal supervision. Plan, monitor and report on progress against programme and budget. Take ownership of deliverables and drive projects forward proactively
• Digital Engineering & Innovation: Use tools such as Revit MEP, AutoCAD, Dialux, Amtech and NBS effectively. Support digital design coordination within multidisciplinary teams. Embrace innovation in sustainable and energy-efficient design
• Client & Stakeholder Engagement: Build strong client relationships and act as a trusted advisor. Collaborate with architects, engineers and contractors. Contribute to bids, fee proposals and business development
• People & Team Development: Mentor and support junior engineers. Contribute to team planning and workload management. Promote a collaborative, inclusive and high-performance culture

Skills, Qualifications & Experience

Degree-qualified in Electrical or Building Services Engineering (or equivalent experience), with Chartered status or working towards it. Proven experience leading electrical design across multiple sectors, with strong knowledge of regulations, sustainability principles and digital tools. Effective communicator with experience in multidisciplinary collaboration and project delivery.

Working Environment

This role supports flexible and hybrid working, typically combining office, site and remote work. Expect a collaborative office presence several days per week, balanced with flexibility to manage your workload. Projects are UK-wide, with occasional travel as required.

About Tetra Tech

Tetra Tech is a leading provider of consulting and engineering services working across the full project lifecycle worldwide. We have a wide range of expertise across our teams, providing a global support network with a personalised approach to client relationships to better understand where we can add value. We provide a collaborative environment that supports individual performance, innovation, and creativity.

We support public and private sector clients on local, national, and international projects to deliver sustainable and resilient solutions. Our operations in the UK, Ireland, and the Netherlands include more than 6,000 employees who are Leading with Science® to solve our clients’ most complex problems.

In alignment with the Equality Act 2010, we will make reasonable adjustments to support candidates and employees requiring additional arrangements. This could include adaptations to work schedules, training approaches, or the physical workspace. Please inform us if you need any accommodations during the recruitment process or in your day-to-day role

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