Mechanical (HVAC) Design & Estimating Engineer

This is a key role within the business, focused on design, estimating, and pre-construction.

You will be responsible for ensuring projects are:

• technically accurate
• properly scoped
• commercially viable

You will work closely with the Managing Director and Operations Manager to support the successful delivery of projects from enquiry through to handover.

Key Responsibilities

Design & Pre-Construction

• Carry out site surveys and technical assessments
• Design HVAC/mechanical systems (heating, ventilation, air conditioning)
• Select equipment and produce system layouts
• Produce clear, accurate drawings suitable for installation teams (AutoCAD or similar)
• Ensure designs comply with client specifications and relevant standards

Estimating & Commercial

• Prepare cost estimates and tender submissions
• Review drawings, specifications, and scope of works
• Liaise with suppliers and subcontractors to obtain pricing
• Build labour and material costings
• Price projects in line with agreed target margins
• Identify risks, gaps, and opportunities within tenders

Project Handover & Support

• Lead project handover to the operations team
• Produce clear job packs including scope, costs, and programme assumptions
• Support with pricing of variations and additional works
• Provide technical input during project delivery when required

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