You're a principal electrical engineer. This is data centre scale.

You are already a principal electrical engineer. The real question is whether the work in front of you is big enough to match the title. On data centre and mission critical projects, it is.This is a large multidisciplinary engineering consultancy with a specialist mission critical practice, designing power infrastructure for hyperscale and enterprise facilities across the UK and overseas. You would lead electrical design at principal level: setting the strategy, owning the technical direction, mentoring the engineers under you and standing in front of demanding clients as the person who signs off the approach.These schemes are among the largest and most resilient buildings being constructed anywhere, measured in megawatts rather than square feet. Concurrent maintainability, fault tolerance, standby power and the fine detail of redundancy become your daily language. It is the kind of portfolio that keeps a principal engaged and makes every future career conversation a good deal easier.If you have the mission critical background and you want a platform with scale, international reach and a clear path towards associate and beyond, this firm can offer all three. The team is established, the pipeline is full and the ambition is real.Salary is between 100,000 and 140,000.If you are ready to lead at this level, send your CV and we will arrange a proper conversation.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