Job Details

Intermediate / Senior Mechanical Engineer

Intermediate / Senior Mechanical Engineer

📍 Cardiff
£42,000 per annum
£42000 - £51000/annum
Industry: Engineering
Applications: <10
Posted: 27-10-2026
Company: RGB Recruitment
Type: Permanent
Reference: 225767572

Job Description:

Intermediate / Senior Mechanical Design Engineer

Location: Cardiff (Hybrid Working)

Summary

An established independent building services consultancy is looking for an Intermediate or Senior Mechanical Design Engineer to join its growing team in Cardiff. This is an opportunity to work on a varied portfolio of projects across multiple sectors, develop your technical skills and take on increasing responsibility within an experienced engineering team.

You'll have the opportunity to work on projects from initial concept through to completion, with support for professional development and the chance to progress your career.

The Company

The business is an independent mechanical and electrical building services consultancy with offices in Cardiff and Bristol, delivering projects across the UK.

Providing building services design and coordination from initial concept through to project completion, the consultancy works across commercial, leisure, residential, retail, healthcare, education, industrial and infrastructure sectors.

With an established team of Chartered Engineers, engineers and technicians, the business delivers complex multidisciplinary projects alongside smaller-scale refurbishment and new-build schemes.

The company is continuing to grow and is committed to investing in its employees through training, mentoring and opportunities to develop their technical expertise and progress into more senior positions.

The Role

As an Intermediate or Senior Mechanical Design Engineer, you'll be responsible for delivering mechanical and public health building services designs across a varied portfolio of projects. The level of responsibility will reflect your experience, with opportunities to take on project leadership and support junior engineers as you progress.

Your responsibilities will include:

You'll ideally have:
Experience with IES thermal modelling, CIBSE room load calculations, Part L compliance reviews and producing BRUKL reports would be beneficial.

Membership of a relevant professional institution, such as CIBSE or IMechE, is preferred. Chartered or Incorporated Engineer status, or working towards professional registration, would also be advantageous.

Candidates should have the right to work in the UK, a full UK driving licence and good IT skills, including Microsoft Office and Excel.

Benefits

If you're interested, please contact Conner Richards at RGB Recruitment - (url removed)

Keywords: Mechanical Design Engineer, Intermediate Mechanical Engineer, Senior Mechanical Engineer, Building Services, M&E, MEP, HVAC, Public Health, Heating, Ventilation, Air Conditioning, IES, AutoCAD, Sustainability, Cardiff, Consultancy.
 

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