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Senior Mechanical Designer

Job in Caerphilly, Caerphilly County, CF83, Wales, UK
Listing for: Options Resourcing Ltd
Full Time position
Listed on 2026-05-30
Job specializations:
  • Engineering
    Mechanical Engineer, Engineering Design & Technologists, Building Services Engineer, Energy Engineer
Salary/Wage Range or Industry Benchmark: 100000 GBP Yearly GBP 100000.00 YEAR
Job Description & How to Apply Below

Senior Mechanical Designer - Building Services

Birmingham

Salary £60,000 + Car Allowance / Electric Vehicle

Full-Time | 08:30 17:00

25 Days Holiday + Bank Holidays

The Opportunity

An established and growing building services consultancy is seeking a Senior Mechanical Designer to join their collaborative design team. This is an excellent opportunity to take ownership of a range of office fit-out projects, typically valued between £100k and £1m, across both CAT A and CAT B schemes.

You’ll play a key role in delivering high-quality mechanical designs from concept through to completion, working both independently and alongside senior leadership on more complex projects.

The Role
  • Lead mechanical design on office fit-out projects from concept to handover
  • Manage your own portfolio of projects, including client coordination
  • Support senior design leadership on larger or technically complex schemes
  • Produce detailed drawings and designs using AutoCAD and Revit
  • Carry out heat loss and heat gain calculations using TAS and Hevacomp
  • Attend design and coordination meetings with internal teams, clients, and contractors
  • Ensure compliance with UK building regulations and industry standards
  • Contribute to value engineering and design optimisation
  • Provide technical support and guidance to team members
About You
  • Ideally a minimum 5 years' experience in mechanical building services design
  • Proven track record delivering office fit-out projects (CAT A & CAT

    B)
  • Strong AutoCAD skills
  • Working knowledge of Revit (desirable)
  • Experience using TAS and Hevacomp
  • Able to manage multiple projects independently
  • Strong communication and coordination skills
What's on Offer
  • Salary from £60,000
  • Car allowance or electric vehicle
  • 25 days holiday + bank holidays
  • Opportunity to work on a varied and interesting project portfolio
  • Clear scope for progression and professional development
  • Autonomy to take ownership of your work within a supportive environment
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Position Requirements
10+ Years work experience
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