via indeed · 10 June 2026 ·today

Principal Mechanical Design Engineer

Mechanical Engineering Jobs
Stevenage
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An opportunity to become part of Europe s No. 1 Missile Systems Designer, as a Mechanical Design Engineer. You will work closely with other functional teams, to develop products to meet our customer s needs. Within this role you will have the opportunity to work as part of a multi–disciplinary team to perform a range of engineering activities including progressing developmental designs into production environments and working with suppliers on technical queries.

Responsibilities:

  • 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
Skillset/experience required:
  • Experience using Creo 3D design tool
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.

  • An appreciation of other engineering areas/domains.

The market for this type of role

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