Principal Mechanical Design Engineer

Line Up Aviation • Stevenage, Hertfordshire, United Kingdom • Posted June 11, 2026

Location Stevenage, Hertfordshire
Job Type Full-time
Category other-general
Posted June 11, 2026
An opportunity has arisen with my client for a Principal Mechanical Design Engineer to join them on a 6 -month contract. As the Principal Mechanical Design Engineer you will develop products to meet customer's needs. You will perform a range of engineering activities including progressing developmental designs into production environments and working with suppliers on technical queries.

Role: Principal Mechanical Design Engineer
Pay: £40 -£50 per hour via umbrella
Location: Stevenage or Bristol
Contract: 6months
Hours: Monday - Friday, 37 hours per week
Security Clearance: Security Cleared however can start on BPSS, UK Eyes only

Carry out Mechanical Design and proving activities as part of a wider team for prime and variant products, of both piece parts and assemblies.
Support/liaise with manufacturing, resolving manufacturing problems & defects.
Support to functional & environmental testing and trials.
Liaise with suppliers/purchasing...

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