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Principal Mechanical Design Engineer

Job in Stevenage, Hertfordshire, SG1, England, UK
Listing for: Line Up Aviation
Full Time position
Listed on 2026-05-22
Job specializations:
  • Engineering
    Mechanical Engineer, Manufacturing Engineer
Salary/Wage Range or Industry Benchmark: 40 - 50 GBP Hourly GBP 40.00 50.00 HOUR
Job Description & How to Apply Below

Principal Mechanical Design Engineer (BBBH
18360) Stevenage, England

Apply with Indeed

Salary: GBP 40 - 50 per hour

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 customers’ needs and 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:

6 months

Hours:

Monday – Friday, 37 hours per week

Security Clearance:
Security Cleared; 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 functional & environmental testing and trials.
  • Liaise with suppliers/purchasing to resolve any technical queries that may arise.
  • Plan and report on own day‑to‑day activities to meet project milestones.
  • Clarify and help generate requirements, including challenging extraneous requirements to reduce lead time, UPC and design complexity.
Skills / Experience
  • An appreciation of other engineering areas/domains.
  • Knowledge of several of the following:
    • Manufacturing processes
    • Tolerance studies
    • Environmental testing
    • Mass property calculations
    • Material selection
    • FMEA
    • Design for Manufacture/Assembly
    • Environmental gasket sealing
    • Structural design
    • Defence standards
    • Review processes
    • Product life cycles
    • Industrial validation
  • Ability to work as part of a multifunctional engineering team and to partake in or host design reviews.
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