Principal Electrical Engineer (Data Centre)
Job Description
Principal Electrical Engineer - Data Centres\n\nUp to £75,000 + Benefits \n\nCentral London - Flexible Hybrid\n\nAn established UK engineering consultancy, independent for over 70 years, is expanding its specialist Data Centre team and is seeking a Principal Electrical Engineer with strong technical design experience. This is an opportunity to join a respected, people-centric business with an average staff tenure of 12 years, a genuine open-door culture, and a commitment to continuous progression without rigid promotion cycles.\n\nWhy Join? The same reason people stay\n\nA genuinely supportive culture\n\nNo annual reviews or fixed pay-rise cycles - promotions and salary increases happen as soon as they're earned.\n\n"No stupid questions" philosophy - learning is encouraged and supported.\n\nHighly selective hiring focused on technical excellence, ensuring you work alongside capable, high-quality engineers.\n\nFlexible hybrid working: 2 days in the office (Tue/Thu typically; 3 days initially for onboarding and collaboration).\n\nLong-standing leadership that trusts its engineers and provides autonomy.\n\nStrong Benefits Package\n\n25 days holiday + Christmas shutdown (rising to 28 after 6 years)\n\nContributory private healthcare\n\nStandard pension\n\nEAP including financial & legal support\n\nAnnual wellbeing day: a full team day out (walks, tours, social events)\n\nChartered Engineer mentorship available (including from a recognised CIBSE Data Centre leader)\n\nAbout the Data Centre Team\n\nThe London-based Data Centre group consists of a core team of five permanent engineers, supported by contractors when needed.
The team is led by senior Electrical and Mechanical leads, with a strategic plan to continue growing a central London hub before expanding expertise across other UK offices.\n\nThe practice has made a deliberate and successful push into the data centre sector over the last two years, securing work with major global operators (hyperscalers and colocation providers). While most work is UK-based, they are now being asked to support clients on European projects.\n\nProject & Technical Exposure\n\nYou will work on both design and technical advisory projects, including:\n\nStrategic asset replacement programmes\n\nNew build data centres up to 100MW\n\nReviewing and upgrading live MEP systems in operational facilities\n\nCompliance monitoring\n\nDetailed electrical design, specifications and scopes of work\n\nProtection studies\n\nThis role is hands-on and design-focused - not a project management position (although PM skills can be developed).\n\nWhat They're Looking For\n\nSenior or Principal-level Electrical Engineer with strong data centre design experience\n\nSolid understanding of critical electrical infrastructure and MEP integration\n\nCapable of delivering high-quality technical work and contributing to client-facing advisory tasks\n\nSomeone who values autonomy, collaboration, and technical excellence\n\nUK-based, able to attend the London office twice weekly\n\nThe consultancy does not use salary bandings and pays based on technical capability - up to ~£70k is realistic for a strong Principal.\n\nIf you're an electrically biased Data Centre specialist looking for a technically engaging role within a supportive, low-ego engineering environment, this position offers long-term growth, high-profile project exposure, and the chance to help shape a growing specialist team.\n\nFeel free to get in touch with Danny Brookes if you'd like more information..\n\nCalibre Search promote equality in the workplace and we welcome applications from all suitably skilled or qualified candidates regardless of their , , , /beliefs, or . We act as both an employment agency and employment business