SENIOR MECHANICAL / HVAC DESIGN ENGINEER

Location: Manchester
Salary: Competitive + car allowance
Employment Type: Full-time, Permanent
A specialist mechanical and HVAC subcontractor is seeking a Senior Mechanical / HVAC Design Engineer to join their dynamic and growing design team in Manchester. This company is known for delivering high-quality, technically complex mechanical systems as a trusted subcontractor across a wide range of real-world, installation-focused projects.

ABOUT THE ROLE:

In this role, you’ll work within an experienced in-house team that supports the full design-and-build lifecycle of HVAC and mechanical systems. You’ll be involved from concept design through to detailed installation support, working on fast-paced projects across sectors including industrial, commercial, retail, and government.
Projects range from high-street retailers and flagship corporate offices to secure government facilities, high-spec industrial environments, and advanced R&D buildings - including collaborations with major names in motorsport, technology, and public infrastructure.

KEY RESPONSIBILITIES:

• ead HVAC/mechanical system design for live construction projects
• Produce detailed technical drawings, equipment schedules, and coordinated models (AutoCAD/Revit)
• Carry out system sizing, ductwork and pipework layouts, and heat gain/loss calculations
• Collaborate closely with project managers, site teams, and supply chain partners
• Translate specifications and client briefs into cost-effective and buildable solutions
• Support site installation teams with technical input and troubleshooting
• Ensure compliance with regulations, health and safety standards, and client expectations
• Contribute to value engineering, procurement support, and commissioning planning