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Principal Mechanical Design Engineer

📍 Location
Derby
⏰ Job Type
full time
📅 Posted
June 09, 2026

About the Role

Principal Mechanical Design Engineer
Location: Derby | Agile / Hybrid Working
Salary:
Competitive + Bonus + Excellent Benefits

Lead Mechanical Design on Complex, Low-Carbon Building Projects
This is a key hire within a growing building services consultancy, offering the opportunity to take ownership of mechanical design delivery across technically challenging, multi-sector projects.
You will operate as a project leader and technical authority, influencing design standards, mentoring engineers, and working directly with clients across the full project lifecycle.
With a strong pipeline of sustainable, design-led projects, this role offers both technical depth and clear progression into senior leadership.

What’s on Offer
  • Clear progression pathway into senior leadership
  • Agile / flexible working model
  • Generous annual leave (with buy/sell options)

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