Principal Mechanical Design Engineer

Principal Mechanical Design Engineer (Next‑Generation Medical Devices)
Location: Cambridge Salary: £60,000 – £80,000 + Excellent Benefits Contact: Adam Mayne – (url removed) – (phone number removed)

Principal Mechanical Design Engineer Opportunity

An exciting opportunity has arisen for an experienced Principal Mechanical Design Engineer to join a fast‑growing, innovation‑led product development environment, working on complex, real‑world engineering challenges that genuinely improve people’s lives.
You’ll play a key role in leading mechanical product development programmes from early concept through to manufacture, working closely with multidisciplinary teams and global manufacturing partners. This role offers genuine technical ownership, customer engagement, and the chance to influence both product direction and commercial success.
This is a collaborative, high‑calibre engineering culture that values technical excellence, creativity, and professional development, with strong support for training, mentoring, and career progression.

Responsibilities of Principal / Senior Mechanical Design Engineer

Leading mechanical engineering activities across full product development programmes
Providing technical leadership to multi‑disciplinary project teams
Developing innovative mechanical design concepts to solve complex engineering problems
Producing and reviewing detailed mechanical designs with strong consideration for DFM/DFA
Building and testing proof‑of‑concept prototypes to validate and de‑risk designs
Supporting transfer to manufacture, working with suppliers and contract manufacturing partners
Presenting technical progress, risks, and timelines clearly to customers and stakeholders
Contributing to business development by supporting proposals and client engagement Requirements

Degree in Mechanical Engineering or a closely related engineering discipline
Strong industry experience delivering mechanical product development projects
Proven experience taking designs from concept through to manufacture
Experience providing technical leadership and ownership within project teams
Mechanical & Product Development Expertise
SolidWorks or similar 3D CAD experience
Hands‑on experience with practical prototyping, testing, and validation
Strong understanding of manufacturing processes and supplier interaction
Experience producing manufacturable mechanical designs
Confident communicator with strong written, verbal, and presentation skills
Experience across the full product design lifecycle, including requirements, CAD, testing, and design transfer nice to have
Experience with plastics and injection moulding beneficial
Exposure to regulated product environments (e.g. ISO / FDA / medical devices) also a bonus