Principal Mechanical Engineer

JR United Kingdom; City of Edinburgh; On-site; GBP 60,000 - 80,000; Full time

Job summary

A rapidly growing mechanical and electrical engineering firm based in Edinburgh is looking to expand its design team. They seek Senior and Principal Mechanical Design Engineers to take ownership of projects from concept to completion and mentor junior staff. This permanent position offers competitive salary, career progression, and the chance to work on landmark projects across the UK and Europe.

Benefits

Clear career progression

Leadership development opportunities

Work on landmark projects

Join a rapidly growing team

Qualifications

• Experience in mechanical building services design.
• Proficient in HVAC, renewable energy systems, and BMS.
• Ability to mentor junior staff and lead design teams.

Responsibilities

• Design mechanical services including HVAC and renewable energy systems.
• Lead projects and manage team performance.
• Collaborate with multidisciplinary teams to ensure compliance.

Skills

Project Management

Mechanical Design

Team Leadership

Client Relationship Management

Sustainable Solutions

Education

Degree in Mechanical Engineering

Job description

Principal Mechanical Engineer, edinburgh

Client:

True Consulting Ltd

Location:

edinburgh, United Kingdom

Job Category:

Other

-

EU work permit required:

Yes

Job Views:

3

Posted:

26.06.2025

Expiry Date:

10.08.2025

Job Description:

Senior & Principal Mechanical Design Engineers – Edinburgh

A rapidly growing M&E business based in Edinburgh is expanding its mechanical design team. Specialising in data centres, pharma, education, healthcare, and commercial building services, they design HVAC, heat pumps, energy centres, plant rooms, and district heating systems for high-profile clients across the UK and Europe. With headline-making projects such as Centre Parcs resorts, sports stadiums, hotels, and movie studios, this ambitious business is experiencing rapid growth and international expansion, targeting a £400 million turnover by 2030 and looking to double the size of its design team to support this trajectory.

The Senior & Principal Mechanical Design Engineers Opportunity

We are recruiting multiple Mechanical Design Engineers at Senior and Principal levels for a permanent, full-time, office-based role in Edinburgh.

• Senior Engineer: Take ownership of your own projects from concept to completion, providing guidance and technical support to juniors and graduates, while ensuring high-quality design standards.
• Principal Engineer: Lead complex projects with full responsibility, mentor and manage team members across all levels, build strong client relationships, and drive business growth and project success.

Key Responsibilities

• Design and specify mechanical building services including HVAC, heating and cooling, renewable energy systems, plant rooms, and Building Management Systems.
• Produce detailed mechanical designs, layouts, drawings, and reports.
• Collaborate with multidisciplinary teams to deliver compliant, sustainable solutions.
• Support junior engineers and contribute to team growth.

What We Offer

• Principal: Up to £80,000
• Permanent, office-based role in Edinburgh (5 days/week)
• Opportunity to work on landmark projects across the UK and Europe
• Clear career progression and leadership development
• Join a rapidly growing team currently 18 strong, with plans to double
• Be part of an ambitious business driving rapid growth and international expansion

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Created on 26/06/2025 by JR United Kingdom