Senior Mechanical Design Engineer

Senior Mechanical Design Engineer
Location: Southampton Area (Hybrid)
Employment Type: Full-Time
Overview
We are seeking a Senior Mechanical Design Engineer to join a forward-thinking building services consultancy in the Southampton/Fareham area. This is a senior, hands-on role leading the design and delivery of innovative and sustainable mechanical building services across commercial, residential, education, and healthcare projects.
The Senior Mechanical Design Engineer will take ownership of mechanical design solutions, mentor junior engineers, and collaborate closely with clients and multidisciplinary teams to deliver high-quality, integrated outcomes from concept through to completion.

Key Responsibilities

Lead the mechanical design of building services systems, including HVAC, heating, cooling, ventilation, and domestic water systems
Produce, review, and approve calculations, technical specifications, drawings, and reports
Coordinate effectively with clients, project teams, and other engineering disciplines to ensure seamless project delivery
Mentor junior and intermediate engineers, promoting technical excellence and best practice
Ensure all designs comply with UK building regulations, CIBSE guidance, and sustainability standards
Represent the consultancy in client meetings, design reviews, and workshops
Contribute to business development activities and support continuous improvement initiatives
Candidate Profile

Degree in Mechanical Engineering or Building Services Engineering (BEng, MEng, or equivalent)
Chartered Engineer (CEng) or working toward chartership (IMechE, CIBSE, or similar)
Minimum 5+ years of consultancy experience in mechanical building services design
Strong technical knowledge of HVAC and mechanical building services systems
Proficiency in Revit, AutoCAD, Hevacomp, IES, and other relevant design tools
Excellent leadership, project management, and communication skills
Proven experience managing complex projects and guiding multidisciplinary design teams
What’s on Offer

Competitive salary with bonus and benefits package
Hybrid working model promoting flexibility and work–life balance
Career development and structured support toward chartership
Exposure to varied, high-profile projects across multiple sectors
Collaborative, innovative, and supportive work environment
This is an excellent opportunity for a Senior Mechanical Design Engineer to take a leading role in shaping mechanical design solutions and mentoring a team within a respected consultancy. Join us as a Senior Mechanical Design Engineer and make a tangible impact on sustainable, high-quality building projects
Only candidates based in UK and eligible to work in UK are allowed