full time

Senior Mechanical Design Engineer

Posted by Pertemps TM • Cardiff, Wales, United Kingdom

📍 Cardiff, Wales 🕒 January 25, 2026

About the Role

Senior Mechanical Design Engineer – Building Services
Location: Cardiff
Salary: Competitive (dependent on experience)
Benefits: 25 days holiday + bank holidays, pension, flexible & hybrid working


Role Overview


We are seeking a Senior Mechanical Design Engineer to join a busy and growing building services consultancy in Cardiff. This is an excellent opportunity to lead mechanical engineering design projects across commercial, residential, healthcare, education, and industrial sectors.
As a Senior Mechanical Design Engineer, you’ll have autonomy over your work, manage multi-disciplinary projects, mentor junior engineers, and help shape the technical direction of the business.


Key Responsibilities


  • Lead mechanical design and engineering on projects from concept through to completion
  • P...

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