Job Description
Senior Mechanical Design Engineer – Building Services Consultancy\n\n 📍 Southampton Area (Hybrid Working)\n 💼 Full-Time\n 💰 Competitive Salary + Benefits + Bonus\n\nAbout the Role\n\n A forward-thinking building services consultancy based in Fareham is seeking a Senior Mechanical Design Engineer to lead the design and delivery of mechanical building services projects across sectors such as commercial, residential, education, and healthcare.\n\n You will be responsible for managing mechanical design teams, collaborating with clients and multidisciplinary teams, and driving innovative, sustainable solutions from concept through to completion.\n\nKey Responsibilities\n\nLead the mechanical design and coordination of building services systems including HVAC, heating, cooling, ventilation, and domestic water services\nPrepare and review detailed design calculations, specifications, technical reports, and drawings\nManage project deliverables, timelines, and client communications effectively\nMentor and support junior and intermediate engineers, encouraging technical growth\nCollaborate closely with electrical, sustainability, and architectural teams to deliver fully integrated MEP designs\nEnsure compliance with UK building regulations, CIBSE guides, and relevant sustainability standards\nAttend and contribute to client meetings, design reviews, and project workshops\nSupport business development and continuous improvement initiatives\n\n Candidate Requirements\n\nDegree qualified in Mechanical or Building Services Engineering (BEng, MEng, or equivalent)\nChartered Engineer (CEng) status or working towards chartership (IMechE, CIBSE, or similar)\nMinimum 5+ years’ experience in mechanical building services design within a consultancy environment\nStrong technical knowledge of HVAC systems, heating, ventilation, and controls design\nProficient in mechanical design software such as Hevacomp, IES, Revit, AutoCAD or similar\nExcellent communication, leadership, and project management skills\nProven ability to manage complex projects and lead design teams\n\n Why Join?\n\nWork with a respected consultancy known for sustainable and innovative building services design\nHybrid working model supporting flexible work-life balance\nCompetitive salary, performance bonus, and comprehensive benefits package\nSupportive environment focused on career development and chartership progression\nOpportunity to work on varied and rewarding projects across multiple sectors\n\n Ready to lead mechanical design projects and advance your career in Fareham?\n Apply now for a confidential discussion