London ( Hybrid - Flex) Salary flex up to 90,000 DOE - 9 Day Fortnight + Fully funded Private Healthcare + 5% Contrib Pension + Paid Professional Membership + Personal Accident Insurance + Fun and Social Events We are partnering exclusively with a leading MEP global design and engineering consultancy to appoint Senior / Principal Electrical and Mechanical MEP Engineers for their expanding London team. This is an exciting opportunity to work on large-scale, multidisciplinary projects including data centres, mission-critical facilities, and major infrastructure developments with an organisation recognised for innovation, sustainability, and technical excellence. The OpportunityDeliver high-performance, optimised electrical designs for some of the most advanced infrastructure projects in Europe.Collaborate with architects, engineers, and stakeholders to develop cutting-edge solutions.Ability to hit the ground running.Senior Engineer - technical delivery, mentoring junior engineers, direct client engagement.Principal Engineer - project leadership, team oversight, client-facing responsibility, and commercial input. What we''re Looking ForSenior or Principle Electrical or Mechanical Engineers with a solid track record in Building Services Engineering.Ideal knowledge of RIBA/BSRIA design stages and international standards (BS 7671, IEC).Proficiency in design software (Amtech/Electrical OM, DIALux/RELUX; ETAP/Revit beneficial).Preferable experience within Data Centres, mission-cr