Principal Electrical Engineer in London

Our client is a leading engineering consultancy with a strong track record in the delivery of complex data centre and mission-critical infrastructure projects across the UK and international markets. They are currently looking to appoint a Principal Electrical Engineer to join their London-based team. This is a senior technical leadership position, offering the opportunity to take responsibility for the delivery of major mission-critical projects while providing technical direction, client leadership and mentorship to the wider electrical engineering team. The successful candidate will play a key role in delivering technically complex projects from concept and design development through to construction and commissioning, ensuring engineering quality, regulatory compliance and design excellence throughout.

Key Responsibilities:

• Technical & Design Leadership
  • Lead the electrical design and technical delivery of large-scale data centre and mission-critical projects.
  • Take responsibility for concept, schematic, detailed design and construction-stage deliverables.
  • Review and technically validate calculations, specifications, reports, drawings and technical submissions.
  • Provide authoritative technical input and develop solutions to complex engineering and coordination challenges.
  • Ensure designs comply with relevant UK regulations, British Standards, international standards and client requirements.
  • Provide technical governance and quality assurance across project deliverables.
• Project & Client Management
  • Lead the electrical engineering function across multiple projects in coordination with project and senior leadership teams.
  • Act as the electrical engineering lead during technical workshops, design reviews and client meetings.
  • Build and maintain strong relationships with clients and project stakeholders.
  • Coordinate closely with mechanical, structural, architectural, public health and specialist engineering disciplines.
  • Monitor technical quality, consistency and programme delivery across project teams.
• Construction & Delivery
  • Provide technical support throughout the construction and delivery stages of projects.
  • Respond to technical queries and design clarifications.
  • Attend site visits and support the resolution of design and engineering issues.
  • Review commissioning inputs and support the successful implementation of design intent on site.
  • Provide technical input during project close-out, commissioning and handover.
• Business & Commercial Support
  • Provide technical input into project planning and delivery strategies.
  • Support the preparation of fee proposals and bid submissions.
  • Contribute technical content to business development and client-facing materials.
  • Demonstrate strong commercial awareness and contribute to effective project and fee management.
• Leadership & Development
  • Provide technical leadership, guidance and mentoring to Senior, Intermediate and Associate Engineers.
  • Support the continued development of the electrical engineering team.
  • Promote technical excellence, consistency, innovation and best practice.
  • Contribute to the development of engineering standards, processes and capabilities within the business.

Technical Experience

The successful candidate will have strong technical knowledge and hands-on experience across:

• Data centre and mission-critical electrical engineering design.
• Electrical resilience and redundancy philosophies, including N+1, 2N and Concurrent Maintainability.
• LV and MV power distribution systems.
• Standby generation, UPS systems and switchgear.
• Building Management Systems (BMS) integration.
• UK DNO connection processes, including G98, G99 and G100.
• Multidisciplinary design coordination and technical leadership.
• UK standards and regulations, including BS 7671 and Building Regulations.
• International standards and guidance, including IEC, NFPA, Uptime Institute and EN 50600.
• Tier III and Tier IV data centre environments.

About You

Our client is looking for an experienced electrical engineering professional who can combine strong technical capability with leadership and client-facing skills. Must have:

• A degree in Electrical Engineering from an accredited university.
• 10-15 years' relevant consultancy experience.
• Proven experience delivering large-scale data centre and mission-critical projects.
• Experience leading engineering teams and managing technical delivery.
• Strong client relationship and stakeholder management skills.
• Experience within an international engineering consultancy environment.
• Chartered Engineer status through the IET, or equivalent professional accreditation.
• Strong understanding of UK regulatory requirements and experience working with UK clients.
• Experience with Tier III / Tier IV data centre projects.
• Strong commercial awareness and experience contributing to fee management and project delivery.

The Opportunity

This is an excellent opportunity for an experienced Principal Electrical Engineer to join an established consultancy and take a leading role in the delivery of some of the industry's most technically demanding mission-critical projects. The role offers significant exposure to major data centre developments, international projects, senior client stakeholders and multidisciplinary engineering teams, alongside the opportunity to shape technical standards and develop the next generation of electrical engineering talent. If you are an experienced Electrical Engineer with a strong data centre or mission-critical background and are ready to take the next step in your career, we would be keen to hear from you.