Senior Mechanical Design Engineer

Pertemps; Cardiff; On-site; GBP 45,000 - 70,000; Full time

Job summary

A leading building services consultancy in Cardiff is seeking a Senior Mechanical Design Engineer to deliver innovative design solutions across various sectors including commercial, healthcare, and industrial. This role offers the opportunity to lead projects, mentor junior engineers, and contribute to business development in a dynamic and supportive environment.

Benefits

25 days holiday + bank holidays

Pension

Flexible & hybrid working options

Qualifications

• Degree in Mechanical Engineering or Building Services Engineering (BEng, MEng or equivalent).
• Typically 6+ years’ experience in mechanical building services design consultancy.

Responsibilities

• Lead mechanical design and engineering on projects from concept through to completion.
• Prepare and review detailed calculations, specifications, and design documentation.
• Produce drawings and BIM/Revit models to a high standard.

Skills

HVAC systems

Mechanical Engineering

Building Services Engineering

Communication

Interpersonal skills

Education

Degree in Mechanical Engineering or Building Services Engineering (BEng, MEng or equivalent)

Tools

AutoCAD

Revit

Job description

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Senior Mechanical Design Engineer, Cardiff

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Client:

RGB Recruitment

Location:

Cardiff, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

2cc7e103099f

Job Views:

4

Posted:

12.07.2025

Expiry Date:

26.08.2025

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Job Description:

Senior Mechanical Design Engineer – Building Services

Senior Mechanical Design Engineer – Building Services

Location: Cardiff
Salary: Competitive, dependent on experience
Benefits: 25 days holiday + bank holidays, pension, flexible & hybrid working options

Role Overview

We are seeking a Senior Mechanical Design Engineer to join a busy and growing building services consultancy in Cardiff. The successful candidate will be responsible for delivering mechanical engineering design solutions across a diverse range of projects including commercial, residential, healthcare, education, and industrial sectors.
This is a great opportunity to join a collaborative team where you will have autonomy over your work, lead 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

Prepare and review detailed calculations, specifications, and design documentation

Produce drawings and BIM/Revit models to a high standard

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 relevant UK standards and regulations (e.g., CIBSE, Building Regulations, Part L)

Keep up to date with industry best practices and emerging technologies

Contribute to business development and client relationship management

Skills & Experience

Degree in Mechanical Engineering or Building Services Engineering (BEng, MEng or equivalent)

Typically 6+ years’ experience in mechanical building services design consultancy

Strong technical knowledge of HVAC systems, heating, ventilation, cooling, and renewable technologies

Experience with design software including AutoCAD, Revit, and relevant calculation tools

Proven ability to manage projects and lead design teams

Excellent communication and interpersonal skills

Understanding of UK building regulations, CIBSE guides, and sustainability principles

Chartered status (e.g., CEng, MCIBSE) is preferred but not essential

Why Join?

Work on varied and challenging projects with high-profile clients

Opportunity to take on leadership responsibilities and influence project outcomes

Collaborative, supportive working environment with flexible working options

Access to professional development and training programs

Competitive salary and benefits package

Ready to advance your career in mechanical design?
Apply now to join a thriving consultancy committed to technical excellence and innovation.