Principal Electrical Design Engineer - Data Centres
Location: South London
About the Role
We are seeking a highly experienced Principal Electrical Design Engineer to lead the delivery of complex, large-scale data centre projects across the UK and internationally. This is a senior leadership role, ideal for someone with deep technical expertise in mission-critical environments and a passion for innovation, sustainability, and high-performance design.
You will play a key role in shaping electrical design strategies for hyperscale and colocation data centres, ensuring solutions are resilient, efficient, and future-ready.
Key Responsibilities
Lead the electrical design delivery of large-scale data centre projects (new build and upgrades)
Develop and oversee LV & HV power distribution systems, including UPS, generators, and redundancy strategies (N+1, 2N, etc.)
Provide technical leadership across multidisciplinary teams
Engage directly with clients, stakeholders, and contractors to ensure successful project outcomes
Carry out peer reviews, technical approvals, and ensure compliance with relevant standards
Drive innovation in energy efficiency, sustainability, and resilience
Support business development through technical input and client engagement
Mentor and develop junior engineers within the team
Key Requirements
Degree qualified in Electrical Engineering or related discipline
Chartered Engineer (CEng) or working towards chartership
Extensive experience delivering mission-critical/data centre projects
Strong knowledge of:
Power distribution systems (HV/LV)
Standby power systems (diesel generators, battery storage, UPS)
Electrical resilience standards in critical environments
Proficiency with industry software (e.g., ETAP, Amtech, Dialux, Revit)
Excellent communication and leadership skills
Experience working in a consultancy or engineering design environment
Desirable Experience
Exposure to hyperscale data centre clients
Experience with international projects and standards
Understanding of sustainability frameworks and low-carbon design
Knowledge of digital engineering / BIM processes
What's on Offer
Opportunity to work on cutting-edge, high-profile data centre developments
A collaborative and forward-thinking engineering environment
Clear progression into technical or project leadership roles
Competitive salary and comprehensive benefits package
Flexible and hybrid working arrangements
Apply Now
If you are a driven electrical engineer ready to take a leading role in delivering critical infrastructure projects, we'd love to hear from you