Principal Mechanical Design Engineer

  • Line Up Aviation
  • Stevenage, Hertfordshire
  • Dec 10, 2025
Contractor Government

Job Description

An opportunity has arisen with my client for a Principal Mechanical Design Engineer to join them on a 12 -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: 50 per hour via umbrella
Location: Stevenage
Contract: 12 months
Hours: Monday - Friday, 37 hours per week
Security Clearance: Security Cleared however can start on BPSS

  • 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 to resolve any technical queries that may arise.
  • Planning and reporting on own day-to-day activities to meet project milestones.
  • Gain clarification of and help to generate requirements, including challenging of extraneous requirements to reduce lead time, UPC and design complexity

Skills/Experince

  • Experience using Creo 3D design tool
  • An appreciation of other engineering areas/domains
  • Knowledge of several of the following:
    Manufacturing processes
    Tolerance studies
    Environmental test
    Mass property calculations
    Material selection
    FMEA
    Design for Manufacture/Assembly
    Environmental Gasket Sealing
    Structural design
    Defence Standards
    Review processes
    Product Lifecycles
    Industrial validation
  • An ability to work as part of a multifunctional engineering team and be able to partake in or host design reviews.


For this position and you meet the requirements, please send your updated CV to: Natalie Dalkin at Line Up Aviation
Line Up Aviation has carved its own place in the recruitment of Aviation and Aerospace personnel all over the world for more than 30 years. We work with some of the industry's best-known companies who demand the highest standard of applicants.
" on Twitter for all of our latest vacancies, news and pictures from our busy UK Head Office. Interact with us using the tag at anytime! Thank you for your follow!"