Principal Mechanical Design Engineer

Principal Mechanical Design Engineer

Location: Birmingham (Solihull)
Salary: Competitive DOE
Hours: Mon-Thu 8am-5pm | Fri 8am-3pm
Reports to: Head of Design

The Company

A leading organisation in the commercial decarbonisation sector is seeking a Principal Mechanical Design Engineer. The company specialises in the design, development, and delivery of offsite‑prefabricated energy systems and provides sustainable, low‑carbon solutions across public and commercial sectors.

The Role

The Principal Mechanical Design Engineer will take ownership of mechanical design delivery from concept through to commissioning. You will work closely with fabrication, project management, BIM, and commissioning teams to ensure accurate, coordinated, and build‑ready solutions.

Key Responsibilities

Managing the mechanical design delivery for a range of commercial decarbonisation projects
Producing mechanical design outputs including:
Schematics
Engineering calculations
Plant selections
Bills of materials
Project specifications
Developing and validating BMS control strategies, from design through to on‑site verification
Working with internal teams to ensure seamless integration from planning to construction
Supporting and mentoring junior engineers within the design team

About You

Experience & Skills Required

Strong background in mechanical design engineering
Experience delivering full mechanical design packages
Understanding of commercial mechanical systems and decarbonisation‑focused solutions
Ability to manage design delivery across multiple project stages
Strong collaboration and communication skills
Ability to support and mentor junior team members

Why This Role?

Senior‑level position within a growing design department
Work on a wide range of commercial decarbonisation projects
Opportunity to help shape design standards and best practice
Competitive salary and early finish on Fridays

Apply Now

If you're an experienced Mechanical Design Engineer looking to step into a principal‑level role, please apply with your CV today