Senior Mechanical Design Engineer - Building Services. LilyLifestyle

Senior Mechanical Design Engineer (Building Services)

Location: Essex (Hybrid Working)
Salary: 60,000 - 70,000 + Benefits

We are a growing, well-established building services consultancy based in Essex. Our close-knit, family‑feel culture values collaboration, trust, and mutual respect.

• Lead the design and specification of mechanical building services systems (HVAC, public health, etc.)
• Manage projects from feasibility and concept design through to detailed design and handover
• Produce and review technical drawings, specifications, and calculations
• Attend client meetings and provide expert technical advice
• Mentor and support junior engineers within the team
• Coordinate with other disciplines (electrical, structural, architectural)
• Ensure compliance with relevant UK standards and regulations (CIBSE, Building Regulations, etc.)
• Contribute to innovative and sustainable design solutions

• Degree qualified in Mechanical Engineering or Building Services Engineering (or equivalent)
• Minimum 5+ years' experience in a building services consultancy environment
• Strong knowledge of mechanical design standards and best practices
• Experience using industry software (e.g. Hevacomp, IES, Revit, AutoCAD)
• Ideally working towards or already Chartered (CIBSE/IMechE)
• Excellent communication and client‑facing skills
• Ability to manage multiple projects and priorities effectively

• Competitive salary of 60,000 - 70,000
• Hybrid working (flexibility between home and office)
• Friendly, supportive "family-feel" culture
• Clear career progression opportunities within a growing consultancy
• Exposure to a varied and interesting project portfolio
• Ongoing professional development and support towards chartership
• Flexible working environment that promotes work‑life balance