Mechanical Design Engineer
| Posting date: | 27 November 2025 |
|---|---|
| Salary: | £40,000 to £50,000 per year |
| Hours: | Full time |
| Closing date: | 04 December 2025 |
| Location: | Cardiff , Cardiff, CF10 5NU |
| Company: | Hunter Selection Limited |
| Job type: | Permanent |
| Job reference: | 27369/610_1764260508 |
Summary
Mechanical Design Engineer
Location: Cardiff
Salary: £40,000 - £50,000 per year
Job Type: Full-time
About Us
They are a leading UK energy and engineering consultancy specialising in low-carbon heating and district energy networks. Since 1998, the company has been at the forefront of delivering innovative renewable energy projects that make a significant contribution to the UK's decarbonisation goals.
The organisation is seeking a Mechanical Design Engineer to join its growing team and play a key role in designing and specifying low-carbon commercial heating projects.
What You'll Do
- Develop detailed mechanical and building services designs for plant rooms and heat distribution systems (RIBA/BSRIA Stages 3 & 4).
- Produce design documentation and construction drawings, including schematics, GA drawings, technical specifications, and schedules.
- Use CAD, Revit, and SketchUp to deliver coordinated designs.
- Perform heat load, cooling load, and pipework/ductwork sizing calculations.
- Collaborate with internal teams to deliver efficient, integrated solutions.
- Conduct site surveys and assess existing plant room arrangements.
- Support tendering processes and review contractor proposals.
- Ensure compliance with Building Regulations, CIBSE, IET, HSE, and sustainability targets.
- Manage design projects and procurement packs.
- Provide on-site engineering support during construction and commissioning.
- Chair client/project meetings and manage project documentation.
- Mentor and develop junior staff.
What We're Looking For
- Degree or HND/HNC in Building Services Engineering, Mechanical Engineering, Electrical Engineering, or related discipline.
- Proven experience in designing heating plant rooms and building services systems.
- Excellent communication skills and attention to detail.
- Ability to manage multiple projects simultaneously.
- Chartership (CIBSE, IMechE, IET) desirable but not essential.
- Experience in renewable/low-carbon energy systems is a plus.
Why Join?
- Be part of a team driving the UK's energy transition.
- Competitive salary: £40,000 - £50,000.
- Flexible working options.
- Private medical insurance, income protection, and cycle-to-work scheme.
- Free on-site parking.
- Opportunities for career development and chartership support.
Location: Central Cardiff (must be able to commute or relocate before starting).
Work Location: In person.
Some travel and occasional work outside normal hours may be required.
If you are interested in this position please click 'apply'.
Hunter Selection Limited is a recruitment consultancy with offices UK wide, specialising in permanent & contract roles within Engineering & Manufacturing, IT & Digital, Science & Technology and Service & Sales sectors.
Please note as we receive a high level of applications we can only respond to applicants whose skills & qualifications are suitable for this position. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010.
For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.