Mechanical CAD Designer-HVAC

Whiteoak Associates; Marlow; On-site; GBP 45,000 - 65,000; Full time

Job summary

Whiteoak Associates is seeking a practically minded Mechanical CAD Design Engineer to bridge the gap between design and on-site delivery. You will produce accurate 2D/3D plant room layouts and pipework using AutoCAD as the primary tool, with occasional Revit support, ensuring compliance with UK Building Regulations.

You will work within a close-knit design and delivery team, reviewing inputs, coordinating with project managers, and resolving spatial conflicts with other engineers and site teams.

Qualifications

• Proven 3D CAD Design experience.
• Understanding of mechanical building services and basic pipe stress/routing constraints.
• Proficiency in AutoCAD is essential.
• Excellent problem-solving skills and the confidence to liaise with site teams.

Responsibilities

• Produce accurate 2D/3D plant room layouts, schematics, and pipework arrangements using AutoCAD (Primary) and Revit (Occasional).
• Review design inputs, calculate spatial/containment requirements, and specify mechanical equipment in collaboration with Project Managers.
• Collaborate with structural, electrical, and architectural teams to resolve spatial conflicts digitally before materials hit the site.
• Conduct site surveys, work with site installation teams to troubleshoot issues, and amend drawings for as-built documentation.
• Ensure all drawings and layouts adhere to UK Building Regulations.

Skills

3D CAD Design

Building Services

Problem Solving

Site Liaison

Tools

AutoCAD

Revit

Job description

Mechanical Building Services Contractor, with a strong and stable order book secured through 2027 , are seeking a practically minded, mechanical CAD Design Engineer

Joining a close-knit, 5-strong design and delivery team you will bridge the gap between engineering design and practical project delivery

Key Responsibilities

• Produce accurate 2D/3D plant room layouts, schematics, and pipework arrangements using AutoCAD (Primary) and Revit (Occasional).
• Review design inputs, calculate spatial/containment requirements, and specify mechanical equipment (boilers, chillers, pumps) in close collaboration with Project Managers.
• Collaborate with structural, electrical, and architectural teams to resolve spatial conflicts digitally before materials hit the site.
• Conduct site surveys, work alongside site installation teams to troubleshoot practical issues, and amend drawings for as-built documentation.
• Ensure all drawings and layouts adhere to UK Building Regulations.

What We Are Looking For

• Proven 3D CAD Design experience
• An understanding of mechanical building services and basic pipe stress/routing constraints.
• Proficiency in AutoCAD is essential
• Excellent problem-solving skills and the confidence to liaise with site teams, and interpret technical specifications

Package- £45000-£65000 DoE + Benefits