Senior Electrical Engineer

Role: Senior Electrical Engineer (SME) Project: Major UK data centre programme involving modifications to existing facilities to support AI workloads. Salary: Competitive hourly rate Engagement: Contract Work Pattern: Hybrid role (three days in office) Start Date: ASAP Responsibilities Lead electrical engineering activities for facility upgrades designed to support high‑density AI compute loads. Define electrical requirements for liquid cooling integration including pumps, controls, monitoring and redundancy. Assess existing MV/LV distribution and specify modifications to support increased power demand and thermal load. Produce and review electrical calculations, single‑line diagrams, synoptic diagrams, specifications and technical notices. Ensure compliance with relevant electrical standards and regulatory frameworks. Coordinate with mechanical, HVAC, BMS, fire safety, civil and architectural teams to ensure proper integration of upgraded systems. Support testing, commissioning and validation of electrical modifications. Act as a subject‑matter expert, representing the electrical discipline in client meetings and technical workshops. Requirements Degree in Electrical Engineering or Building Services Engineering. Strong MV/LV experience including distribution, protection, cable sizing, UPS, generators and resilience‑driven electrical design. Experience supporting mechanical systems electrically, ideally in environments using liquid cooling or high‑density thermal management. Background in retrofit or upgrade projects for mission‑critical facilities. Ability to lead electrical packages independently and communicate technical concepts clearly. Comfortable coordinating with multiple technical disciplines and engaging directly with clients. What’s on offer Hybrid working (3 days in London office). Involvement in cutting‑edge AI‑driven data centre upgrade projects. Progression into principal or technical lead roles. A technically focused environment with strong engineering culture. With over 90 years' combined experience, NES Fircroft (NES) is proud to be the world's leading engineering staffing provider spanning the Oil & Gas, Power & Renewables, Chemicals, Construction & Infrastructure, Life Sciences, Mining and Manufacturing sectors worldwide. With more than 80 offices in 45 countries, we are able to provide our clients with the engineering and technical expertise they need, wherever and whenever it is needed. We offer contractors far more than a traditional recruitment service, supporting with everything from securing visas and work permits, to providing market-leading benefits packages and accommodation, ensuring they are safely and compliantly able to support our clients.