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.