Principal Electrical Engineer in Nationwide

Principal Electrical Engineer

Purpose of the Job:

This is a senior technical leadership role based in our Client's London office, responsible for the delivery of complex, mission-critical electrical engineering design across data centres and high-performance facilities in the UK and international markets.

The role leads technical design delivery, provides authoritative engineering direction, and ensures compliance with UK regulatory requirements and international standards from concept through construction support.

The successful candidate will:

Lead multidisciplinary electrical design delivery on large-scale mission-critical projects
nProvide technical governance and quality assurance across project outputs
nSupport client engagement during technical discussions and design coordination
nMentor and guide engineering teams within a high-performance delivery environment
nContribute to construction-stage technical resolution and site support activities Job Accountabilities:

Design Leadership

Lead electrical design delivery for data centre and mission-critical projects.
nOversee concept, schematic, detailed design, and construction-stage deliverables.
nReview and technically validate calculations, specifications, reports, drawings, and submissions.
nEnsure compliance with UK standards (BS 7671, Building Regulations), international standards and client requirements.
nProvide technical solutions for complex design and coordination challenges. Project & Stakeholder Management

Manage technical delivery across multiple projects in coordination with project leads.
nAct as electrical engineering lead in technical workshops, design reviews, and client meetings.
nCoordinate with mechanical, public health, structural, architectural, and specialist disciplines.
nMonitor technical quality, design consistency, and engineering outputs across project teams.
nSupport construction-stage activities including site inspections, technical assessments, and commissioning reviews. Technical Support (Construction & Delivery Stage)

Support construction-stage design clarifications and technical responses.
nParticipate in site visits and assist in resolving design-related issues.
nReview commissioning inputs and ensure design intent is achieved on site.
nProvide technical input during project close-out and handover stages. Business Support (Technical Input)

Support project planning activities where required from a technical perspective.
nProvide technical input into proposals and bid submissions as required.
nAssist senior management with technical content for business development materials when needed. People Leadership

Provide technical leadership and mentoring to Senior, Intermediate, and Associate Engineers.
nSupport development of engineering capability within the electrical team.
nPromote design excellence, technical consistency, and best practice standards. Technical Knowledge:

Strong knowledge and hands-on experience required across:

Data Centre and mission-critical facility electrical design.
nElectrical infrastructure resilience and redundancy philosophies (N+1, 2N, Concurrent Maintainability).
nLV/MV power distribution, standby , UPS systems and switchgear.
nBuilding Management Systems (BMS) integration.
nUK DNO connection processes (G98/G99/G100) and coordination.
nCoordination of multidisciplinary engineering teams.
nUK standards (BS 7671, Building Regulations) and international standards (IEC, NFPA, Uptime Institute, EN 50600).

Qualifications & Education

Degree in Electrical Engineering (accredited university). Experience

10 15 years of relevant consultancy experience.
nDemonstrated delivery of large-scale Data Centre / mission-critical projects.
nProven team leadership and client relationship management.
nExperience in international engineering consultancy environments. Knowledge & Skills

Chartered Engineer (IET) or equivalent professional accreditation.
nExperience with UK regulatory requirements and client base.
nExposure to Tier III / IV data Centre design.
nStrong commercial awareness and management