Senior Mechanical Building Services Engineer

Intermediate / Senior Mechanical Building Services Engineer

Cardiff

£45,000 – £60,000 DOE + Benefits

The Opportunity

We’re looking for an Intermediate / Senior Mechanical Building Services Engineer to join a growing in-house design team delivering major commercial, healthcare, education, industrial and public-sector projects .

This is a role with real technical ownership . You’ll work across projects from concept through to construction, with the opportunity to lead designs, work directly with clients and, at Senior level, mentor junior engineers.

What You’ll Be Doing

• Design mechanical building services from concept to detailed design
• Deliver HVAC, heating, cooling, LTHW, CHW and public health systems
• Carry out heating, cooling, hydraulic and pipe sizing calculations
• Design plantrooms and select mechanical equipment
• Produce specifications, reports and technical schedules
• Coordinate designs across Revit / BIM and multidisciplinary teams
• Attend client, design and site meetings
• Support projects through construction, commissioning and handover
• Review technical submissions and resolve contractor queries

What We’re Looking For

• Strong background in Mechanical Building Services Design
• Consultancy or Design & Build experience
• Confident with Revit and AutoCAD
• Experience with MagiCAD, Hevacomp, IES VE or TAS
• Strong technical understanding of HVAC and mechanical systems
• Ability to manage multiple projects and work to deadlines
• Excellent communication and coordination skills

What's On Offer

• £45,000 – £60,000 DOE
• Professional membership support – CIBSE / IMechE
• CPD and technical training
• Genuine progression into Senior / Principal-level roles
• High-quality, technically challenging projects
• Growing design team with long-term opportunities
• Supportive, collaborative working environment

The Opportunity

If you're a Mechanical Building Services Engineer looking for better projects, greater responsibility and a clear route to progress , this is an opportunity worth exploring.