Senior/Principal Mechanical Design Engineer

Company : Confidential

Job Description - Senior/Principal Mechanical Design Engineer

Job Title: Senior/Principal Mechanical Engineer
Location: Cardiff, UK
Salary: £45,000 to £65,000 + Benefits
About the Company
A well-established building services consultancy has recently opened a new office in Cardiff. The company is known for delivering high-quality, energy-efficient designs across multiple sectors. They offer full lifecycle support, including feasibility studies, detailed design, construction monitoring, project management, and sustainability advisory. The firm has a strong reputation for staff development and a commitment to low-energy, sustainable building solutions.
The Opportunity

Strategic Leadership: Help launch and grow the Cardiff office, build local client relationships, and influence the company’s strategy in Wales
Career Progression: Supported by an experienced leadership team, with the autonomy to make your mark. There is potential to progress to Associate or other leadership roles
Project Portfolio: Work across sectors such as education, healthcare, commercial, residential, and specialist projects including laboratories, hotels, and leisure

Key Responsibilities

Lead mechanical engineering design and delivery, from feasibility through to project close-out
Establish and maintain strong relationships with clients, architects, M&E contractors, and other stakeholders
Mentor junior engineers and support their professional development
Contribute to energy performance and sustainability goals, including Part L compliance, dynamic simulation, and BREEAM
Oversee site inspections, CDM compliance, contract administration, cost control, and scheduling

Essential Skills & Experience

Chartered Mechanical Engineer or working towards chartership, with strong consultancy experience
Proven track record delivering projects across sectors such as education, healthcare, labs, and commercial buildings
Experience in sustainable design, including energy modelling, Part L compliance, and low or zero carbon systems
Confident in client engagement, project management, and technical leadership
Experience mentoring or managing junior engineers is desirable

What’s In It For You?

Make Your Mark: Be part of a growing office and shape its long-term success
Career Growth: A clear and supported path to leadership roles such as Associate
Supportive Environment: Work closely with experienced leaders in a collaborative team
High Standards: Join a consultancy that values professional development and delivers top-quality, sustainable design

Apply Now
If you're a motivated Senior or Principal Mechanical Engineer looking for your next step, we’d love to hear from you.

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Senior/Principal Mechanical Design Engineer

Job Description - Senior/Principal Mechanical Design Engineer

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