Senior / Principal Mechanical and Electrical Engineers

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 & 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 Opportunity Deliver 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 For Senior 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-critical facilities, industrial or major infrastructure projects. A proactive, solutions-driven mindset with excellent communication skills.Why Apply? Opportunity to influence major international projects at the forefront of engineering innovation. Clear progression pathways from Senior to Principal. Competitive salary + comprehensive benefits package (private healthcare, professional memberships, enhanced pension, flexible 9-day fortnight, and more). Work in an environment committed to sustainabilityPlease submit your CV for a confidential conversation, quoting reference number 10135