Job Description

Mechanical CAD Engineer - Twickenham Area
Negotiable Day Rate Immediate Start Minimum 3-Month Contract
We're working with a well-established mechanical building services contractor who is looking to recruit an experienced Mechanical CAD Engineer to support their busy design team on a temporary contract. With a strong pipeline of commercial projects, this is an excellent opportunity to join a reputable contractor and hit the ground running on a variety of live building services projects.
This role is available for an immediate start on Monday 6th July 2026, with a minimum three-month contract and the potential for further work. Day rate is negotiable, depending on experience.
The role:
As a Mechanical CAD Engineer, you'll support the delivery of mechanical building services designs across a range of commercial projects, producing accurate drawings, calculations, and technical documentation to support project delivery.

• Producing detailed 2D mechanical layout drawings using AutoCAD
• Carrying out heating and cooling load calculations using Hevacomp
• Completing ductwork and pipework pressure loss calculations
• Preparing technical submittals, schedules, and design documentation
• Coordinating designs with project teams to ensure smooth project delivery
• Supporting projects throughout the design, coordination, and construction phases
• Working on commercial building services projects, including CAT A and CAT B fit-outs

What you'll need:

• Strong AutoCAD (2D) and Hevacomp experience with the ability to hit the ground running
• A solid understanding of mechanical building services design principles
• Experience producing accurate technical drawings and design documentation
• Previous experience working on UK commercial building services projects
• Knowledge of CIBSE guidance and UK Building Regulations
• Excellent communication skills and a collaborative approach to project delivery

The successful Mechanical CAD Engineer will receive a negotiable day rate, depending on experience, with an immediate start on Monday 6th July 2026 and a minimum three-month contract.
If you're an experienced Mechanical CAD Engineer or Mechanical Design Technician available for your next contract, we'd love to hear from you.
? Call Lily at Tech-People on (phone number removed)
? Or email your CV to (url removed)
Tech-People is a specialist recruitment agency within HVAC, FM, and M&E. We are proud to promote diversity and inclusion and welcome applications from all backgrounds.