Senior Mechanical Design Engineer – Building Services Consultancy

Winchester (Hybrid Working) Full-Time Competitive Salary + Benefits + Bonus

About the Role

A respected building services consultancy with 45 years of experience delivering sustainable, value-engineered solutions is seeking a Senior Mechanical Design Engineer to join their Winchester office. You’ll lead mechanical systems design across a broad range of projects—residential, commercial, healthcare, education, and industrial—on schemes from small-scale to £100m developments

Key Responsibilities

Lead HVAC, ventilation, heating, cooling, and domestic water system design from feasibility through to construction Use TAS for dynamic thermal modelling and AutoCAD/Revit for detailed 2D/3D coordinated outputs Collaborate with multi-disciplinary teams, ensuring integrated low-carbon and energy-efficient solutions Mentor and guide junior engineers while contributing to internal QA reviews Provide specialist input into pre-planning energy/sustainability reports and Part L/F compliance assessments Visit sites to verify installation accuracy and support technical coordination Engage with clients and contractors throughout delivery and oversee value-engineering initiatives

What You’ll Bring

Degree in Mechanical or Building Services Engineering (BEng/MEng or equivalent) Chartered status (CEng, I...