HVAC CAD Engineer & 3D Design Technician

COSAF; Farnworth; On-site; GBP 30,000 - 35,000; Full time

Benefits offered by this job

Annual leave 25 days

Auto-enrolment pension

Private health care

Laptop provided

Training and development

Business travel expenses

Cycle to work

Bonus scheme

Career progression

Long-term career prospects

Job summary

Cosaf Environments Limited is seeking a practical CAD Engineer / HVAC Design Technician to convert design information and site surveys into accurate 2D drawings and coordinated 3D models for industrial and commercial projects.

You will take ownership of drawings, identify buildability issues early, and contribute ideas to improve installation quality, working across office and site environments. The role is hands-on and requires collaboration with engineers and project teams.

Qualifications

• Experience producing CAD drawings for HVAC and mechanical services.
• Ability to interpret technical drawings and specifications.
• Willingness to visit customer sites and coordinate with teams.

Responsibilities

• Produce and revise 2D CAD drawings and 3D models for HVAC, mechanical and electrical installations.
• Develop practical layouts for ductwork, ventilation equipment, air handling and piping.
• Coordinate equipment locations, routing, clearances and interfaces with other M&E services; identify clashes and propose fixes.
• Attend project sites with engineers to survey and verify existing services and dimensions.
• Translate design information and site observations into buildable drawing packages.
• Maintain drawing registers, revision histories and file structures through project lifecycle.
• Liaise with design, estimating, procurement and contracts teams to resolve drawing queries.
• Support project documentation and develop CAD standards and 3D workflows.

Skills

HVAC/M&E drafting experience

2D CAD drafting

3D modelling

Tools

AutoCAD

Job description

Cosaf Environments Limited is seeking a practical CAD Engineer / HVAC Design Technician to convert design information and site surveys into accurate 2D drawings and coordinated 3D models for industrial and commercial projects.

You will take ownership of drawings, identify buildability issues early, and contribute ideas to improve installation quality, working across office and site environments. The role is hands-on and requires collaboration with engineers and project teams.