CIBSE Journal CPD
Senior / Principal Electrical Design Engineer
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Senior / Principal Electrical Design Engineer
Employer: Brandon James
Location: London
Salary: 75,000 - 100,000+ GBP Annual
Closing date: 15 Sep 2026
Specialist area: Design
Function: Engineer
Contract Type: Permanent
Hours: Full Time
Job Details
Senior / Principal Electrical Design Engineer – Data Centres
London
75,000 – 100,000+ DOE
Hybrid Working 2 Days in the Office
An established and highly regarded building services consultancy is looking to appoint a Senior / Principal Electrical Design Engineer to join its London team and work on major data centre projects.
This is an excellent opportunity for an experienced Senior / Principal Electrical Design Engineer with strong data centre and mission–critical design experience to take a key role within a respected MEP consultancy.
As a Senior / Principal Electrical Design Engineer, you will be responsible for the design and delivery of complex electrical building services systems across technically demanding data centre projects.
The successful Senior / Principal Electrical Design Engineer will have experience designing resilient electrical infrastructure, including LV distribution, UPS systems, standby generation, lighting, containment and associated systems.
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You will work closely with clients, architects, mechanical engineers and wider project teams, taking technical ownership from concept design through to detailed design and delivery.
The Senior / Principal Electrical Design Engineer will also provide technical guidance to junior engineers, review designs and contribute to client and design–team meetings.
Key Responsibilities
- Lead electrical building services design on data centre and mission–critical projects
- Design LV distribution, UPS, standby generation, lighting and containment systems
- Develop resilient and high–availability electrical infrastructure
- Produce calculations, specifications and technical reports
- Coordinate with mechanical, structural and architectural teams
- Attend client and design–team meetings
- Review designs and mentor junior engineers
- Support projects from concept through detailed design and delivery
About You
- Strong experience within an MEP or building services consultancy
- Proven electrical design experience within data centres or mission–critical environments
- Experience operating at Senior or Principal Engineer level
- Strong knowledge of UK electrical building services standards
- Degree qualified in Electrical Engineering, Building Services Engineering or a related discipline
- Chartered status would be advantageous
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This Senior / Principal Electrical Design Engineer position offers hybrid working, with 2 days per week in the London office, alongside strong professional development opportunities, support towards chartership and an excellent overall benefits package.
Salary: 75,000 – 100,000+ depending on experience.
Exceptional candidates with extensive data centre expertise can be considered above the stated range.
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