Senior / Principal Mechanical Engineer in Devon, Plymouth
Senior / Principal Mechanical Engineer

Senior / Principal Mechanical Engineer in Devon, Plymouth

Plymouth +1 Full-Time 50000 - 65000 £ / year (est.) Home office (partial)
RGB Recruitment

At a Glance

  • Tasks: Lead mechanical design for high-profile infrastructure and defence projects.
  • Company: Global consultancy with a focus on innovative building services.
  • Benefits: Hybrid working, clear career progression, and access to major projects.
  • Other info: Join a supportive team with opportunities for mentorship and technical leadership.
  • Why this job: Make a real impact on significant national projects while developing your skills.
  • Qualifications: Degree in Mechanical Engineering and strong consultancy experience required.

The predicted salary is between 50000 - 65000 £ per year.

A leading global multidisciplinary consultancy is strengthening its Mechanical Building Services capability across Exeter and Plymouth, supporting delivery of complex, high-profile infrastructure and defence projects. The role sits within a building services team, delivering multidisciplinary engineering solutions across defence, infrastructure, healthcare, justice, education and commercial developments. A significant proportion of workload is within secure environments requiring high technical assurance, resilience and performance-led engineering design.

Key Responsibilities

  • Lead mechanical building services design across all RIBA stages (0–7)
  • Design HVAC systems including heating, cooling, ventilation and associated plant
  • Provide technical leadership across multi-disciplinary project teams
  • Produce and review calculations, specifications and detailed design outputs
  • Ensure compliance with UK regulations, CIBSE guidance and internal standards
  • Attend and lead client and stakeholder meetings
  • Mentor and support junior engineers
  • Oversee technical quality and design assurance across projects
  • Contribute to BIM coordination and digital engineering processes

Requirements

  • Degree qualified in Mechanical Engineering or Building Services Engineering
  • Strong consultancy experience in mechanical building services design
  • Proven delivery of UK construction projects across multiple stages
  • Ability to lead technical design on complex, multi-disciplinary schemes
  • Chartered Engineer or working towards (required for Senior/Principal progression)
  • Experience in defence or secure infrastructure advantageous
  • Strong Revit / BIM capability desirable

Benefits

  • Work on nationally significant defence and infrastructure programmes
  • Clear progression into Associate and leadership roles
  • Hybrid and flexible working culture
  • Strong global technical expertise network
  • Long-term secured pipeline of major projects

If you’re interested, please contact Conner Richards at RGB Recruitment.

Locations

Plymouth Devon

Senior / Principal Mechanical Engineer in Devon, Plymouth employer: RGB Recruitment

Join a leading global multidisciplinary consultancy that offers an exceptional work environment in Plymouth and Exeter, where you can contribute to high-profile infrastructure and defence projects. With a strong focus on employee growth, you will benefit from clear progression pathways into Associate and leadership roles, alongside a hybrid and flexible working culture that promotes work-life balance. Our commitment to technical excellence and collaboration ensures that you will be part of a supportive team dedicated to delivering innovative engineering solutions.
RGB Recruitment

Contact Detail:

RGB Recruitment Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior / Principal Mechanical Engineer in Devon, Plymouth

✨Tip Number 1

Network like a pro! Get out there and connect with industry professionals on LinkedIn or at local events. We all know that sometimes it’s not just what you know, but who you know that can help you land that dream job.

✨Tip Number 2

Prepare for interviews by researching the company and its projects. We want you to show off your knowledge about their work in defence and infrastructure. Tailor your answers to highlight how your experience aligns with their needs.

✨Tip Number 3

Practice makes perfect! Do mock interviews with friends or mentors to build your confidence. We suggest focusing on technical questions related to mechanical building services design, as well as your leadership experience.

✨Tip Number 4

Don’t forget to apply through our website! We’ve got a range of exciting opportunities waiting for you. Make sure your application stands out by showcasing your unique skills and experiences relevant to the role.

We think you need these skills to ace Senior / Principal Mechanical Engineer in Devon, Plymouth

Mechanical Building Services Design
HVAC Systems Design
Technical Leadership
Calculations and Specifications Production
UK Regulations Compliance
CIBSE Guidance Adherence
Client and Stakeholder Engagement
Mentoring Junior Engineers
Technical Quality Assurance
BIM Coordination
Digital Engineering Processes
Degree in Mechanical Engineering or Building Services Engineering
Consultancy Experience in Mechanical Building Services
Chartered Engineer Status or Progression Towards
Revit Proficiency

Some tips for your application 🫡

Tailor Your CV: Make sure your CV is tailored to the Senior/Principal Mechanical Engineer role. Highlight your experience in mechanical building services design and any relevant projects you've worked on, especially in defence or secure environments.

Showcase Your Skills: Don’t forget to showcase your technical skills, especially in HVAC systems and BIM coordination. We want to see how you can lead multi-disciplinary teams and ensure compliance with UK regulations.

Craft a Compelling Cover Letter: Your cover letter should tell us why you're the perfect fit for this role. Mention your consultancy experience and how you’ve mentored junior engineers. Make it personal and engaging!

Apply Through Our Website: We encourage you to apply through our website for a smoother application process. It’s the best way for us to receive your application and get you into our system quickly!

How to prepare for a job interview at RGB Recruitment

✨Know Your Stuff

Make sure you brush up on your mechanical engineering principles, especially around HVAC systems and building services design. Familiarise yourself with the latest UK regulations and CIBSE guidance, as these will likely come up during your interview.

✨Showcase Your Experience

Prepare to discuss specific projects you've worked on, particularly those involving complex, multi-disciplinary schemes. Highlight your role in leading design processes and any technical leadership you've provided, as this is crucial for a Senior/Principal position.

✨Be Ready to Lead

Since the role involves attending and leading client meetings, practice articulating your thoughts clearly and confidently. Think about how you can demonstrate your ability to mentor junior engineers and oversee project quality during the interview.

✨Get Familiar with BIM

If you have experience with Revit or BIM coordination, be prepared to discuss it in detail. If not, do some research on how digital engineering processes are integrated into building services design, as this knowledge could set you apart from other candidates.

Senior / Principal Mechanical Engineer in Devon, Plymouth
RGB Recruitment
Location: Plymouth

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