Principal Electrical Engineer, London

Most principal electrical engineer roles look the same on paper. This one is shaped differently in practice.This is a Principal Electrical Engineer position with a building services and engineering practice based in London, with the project diversity that location suggests. The work is electrical design across LV power, lighting, small power, containment, and life safety systems. You will run load calculations, drive Revit electrical models, and coordinate with mechanical and public health on the points where electrical sits next to everything else.You are operating at principal or associate director level. The remit covers technical leadership of a discipline, project portfolio responsibility, business development input, and visible influence on how the practice grows. Recurring themes on this brief: commercial, mixed-use, residential, and IES. Prior exposure to those areas is useful, not mandatory.Salary: 100,000 to 120,000 depending on experience. Working pattern: on-site, full time, based in London.Send your CV to Danny Main at Responsum for a 20-minute call this week.If you’ve read this far and you’re still unsure and would prefer a detailed market insight including salary bands and market trends - then check out our free guide here: https://www.responsumltd.com/uk-salary-guide-2026