Mechanical Design Engineer / Senior Mechanical Design Engineer Manchester Full-Time | Permanent Mercury Hampton are recruiting on behalf of a highly respected, multidisciplinary consultancy who have recently entered an exciting growth phase following major project wins across the UK. They specialise in delivering complex engineering solutions within Advanced Manufacturing, Government, Healthcare, Education, Infrastructure, and Utilities. Due to sustained growth across the Building Services division, we are looking to speak with talented Mechanical Design Engineers and Senior Mechanical Design Engineers who are passionate about technical delivery and real progression opportunities. The Opportunity This is a rare chance to join a strong and supportive engineering team working on a mix of projects — from multiple smaller schemes to large, flagship high-value programmes. You’ll be working alongside Principals and Technical Directors, contributing at detailed design level and helping shape technical excellence within the business. What You’ll Be Doing * Delivering Stage 4 / 5 RIBA Plan of Work detailed mechanical building services design * Producing detailed design models using Revit / BIM * Developing calculations across HVAC, heating/cooling loads, pipework & ductwork sizing * Supporting multidisciplinary coordination and problem-solving with architectural & structural teams * Contributing to concept development through to construction-level design * Opportunity to lead packages independently and provide guidance to junior engineers What We’re Looking For * Proven mechanical building services design experience (degree or apprenticeship route considered) * Strong understanding of UK building regulations, British Standards & CIBSE guidance * Experience with Revit, HEVACOMP / HAP, TAS or similar design/calculation tools * Able to work as part of a collaborative team and hit the ground running * Motivated, proactive and passionate about delivering quality engineering solutions Why Join? * Hybrid working – typically 3-4 days office-based to support collaboration * Genuine career progression with structured development pathways into Senior, Principal & Chartered status * Excellent culture – people-first, supportive leadership, strong engineering reputation * Benefits include 24/7 GP access, gym membership scheme, pension, flexible working, and more Interested? Apply today or reach out directly for more information