Overview
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.
Responsibilities
* Lead mechanical design and engineering on projects from concept through to completion
* Prepare and review detailed calculations, specifications, and design documentation
* Produce high-quality drawings and BIM/Revit models
* Manage project deliverables including design risk assessments, client liaison, and coordination with multi-disciplinary teams
* Mentor and support junior and intermediate engineers
* Ensure designs comply with UK standards and regulations (CIBSE, Building Regulations, Part L)
* Stay updated with industry best practices, emerging technologies, and sustainability trends
* Contribute to business development and maintain strong client relationships
Skills & Experience
* Degree in Mechanical or Building Services Engineering (BEng, MEng, or equivalent)
* Typically 6+ years’ experience in mechanical building services consultancy
* Strong technical knowledge of HVAC systems, heating, ventilation, cooling, and renewable technologies
* Proficient with AutoCAD, Revit, and mechanical calculation tools
* Proven ability to manage projects and lead design teams
* Excellent communication and interpersonal skills
* Understanding of UK building regulations, CIBSE guides, and sustainable design principles
* Chartered status (CEng, MCIBSE) preferred but not essential
Why Join?
* Work on varied, challenging projects with high-profile clients
* Take leadership responsibilities and influence project outcomes
* Collaborative, supportive environment with flexible and hybrid working options
* Access to professional development and training programs
* Competitive salary and benefits package
If you’re a Senior Mechanical Design Engineer ready to advance your career and work on technically challenging projects in Cardiff, apply now for a confidential discussion.
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