Job Description
Mechanical Design Engineer – Building Services\n\n📍 Southampton (Hybrid Working)\n 💼 Full-Time\n 💰 Competitive Salary + Bonus + Excellent Benefits\n\nAbout the Role\n\nAn established and growing MEP consultancy on the South Coast is looking to appoint a Mechanical Design Engineer to join their friendly, technically focused team in Southampton.\n Working on a broad range of building services projects across the healthcare, education, commercial, and research sectors, you’ll be part of a collaborative, multi-disciplinary environment delivering technically sound, sustainable engineering solutions.\n This is a great opportunity for someone with a few years of consultancy experience to step into more project ownership, supported by senior mentors and clear career progression.\n\nWhat You’ll Be Doing\n\nDeliver mechanical building services designs including HVAC, ventilation, heating, cooling, and domestic water systems\nProduce calculations, specifications, reports, and technical drawings using design tools and software\nCoordinate designs with internal electrical, sustainability, and BIM teams\nContribute to sustainable and low-carbon strategies across mechanical systems\nAttend client and design team meetings and contribute to technical discussions\nConduct site visits and surveys to gather technical data\nEnsure designs meet current UK building regulations, CIBSE guides, and client requirements\nSupport more junior staff and work closely with senior engineers for project delivery\n\nWhat You’ll Bring\n\nDegree or HND in Mechanical or Building Services Engineering (BEng, MEng, or equivalent)\n2–5 years’ experience in mechanical design within a building services consultancy\nProficient with mechanical design software (Hevacomp, IES, Revit, AutoCAD, etc.)\nUnderstanding of HVAC systems, plantroom layouts, pipework, ductwork, and energy efficiency principles\nStrong awareness of current UK regulations and CIBSE best practices\nExcellent written and verbal communication skills\nA proactive, organised, and detail-focused approach to your work\nAmbition to develop professionally – working towards chartership is encouraged and supported\n\nWhy You’ll Want to Join\n\nWork with one of the South Coast’s most respected independent consultancies\nHybrid and flexible working built around trust and autonomy\nBroad project exposure from hospitals and schools to large-scale commercial and R&D buildings\nSupportive leadership, collaborative culture, and structured career development\nFull backing towards chartership (CEng)\nCompetitive salary and full benefits, including:\n\n28 days annual leave + bank holidays\nDiscretionary bonus\nPrivate healthcare & life insurance\nEnhanced pension scheme\nCycle to work scheme\nCPD support and training allowance\n\nIf you're looking for a supportive environment, varied project work, and a clear route to progress—this could be the perfect next step.\n Apply now for a confidential conversation