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Principal Mechanical Design Engineer; Defence

Job in Stevenage, Hertfordshire, SG1, England, UK
Listing for: Positiv Cohort Ltd
Full Time position
Listed on 2026-02-17
Job specializations:
  • Engineering
    Mechanical Engineer
Salary/Wage Range or Industry Benchmark: 40 GBP Hourly GBP 40.00 HOUR
Job Description & How to Apply Below
Principal Mechanical Design Engineer (Defence)
Principal Mechanical Design Engineer (Defence)

4 days ago Be among the first 25 applicants

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The opportunity:

We are looking for experienced Principal Mechanical Design Engineers to work in all areas of the Product Life Cycles from Mechanical Future Concepts, Detailed Design and Qualification to Production and In-service Support. You will be leading the development of mechanical solutions on a wide variety of complex weapons and weapon systems whilst collaborating with wider multi-disciplinary teams.

The opportunity:

We are looking for experienced Principal Mechanical Design Engineers to work in all areas of the Product Life Cycles from Mechanical Future Concepts, Detailed Design and Qualification to Production and In-service Support. You will be leading the development of mechanical solutions on a wide variety of complex weapons and weapon systems whilst collaborating with wider multi-disciplinary teams.

This opportunity provides fantastic development opportunities for career progression within MBDA.

What we're looking for from you:

  • Ideally Degree/HND/HNC qualified plus significant experience in Mechanical Design and Development
  • The ability to lead mechanical design work packages and have experience of working within a multi-disciplinary team with the awareness and understanding of the challenges that this may bring
  • Awareness of proving and qualification activities to ensure compliance against requirements
  • Robust design experience using common development techniques such as DFMEA, DFA, DFM
  • Strong communication skills, both written and verbal with the ability to influence and negotiate with partners across the business
  • Experience of supplier engagement and development across internal and external multi-disciplinary teams
  • The awareness and understanding of cultural differences with the ability to adapt accordingly
  • A willing, helpful attitude, a calm professional manner, and the ability to assess and set priorities and deal with multiple issues on a regular basis
  • An understanding of structural/thermal/dynamic analysis would be advantageous
  • Relevant 3D CAD/CAE experience (training on our preferred CAE tools will be given)
Why Join Us:

  • Impactful Work:
    Contribute to critical defence projects that enhance national security
  • Professional Growth:
    Opportunities for career development and advancement within the defence sector
  • Collaborative Environment:
    Work with a dedicated and skilled team committed to excellence
Rate: £40 per hour OUTSIDE IR-35

Seniority level
  • Seniority level

    Mid-Senior level
Employment type
  • Employment type

    Contract
Job function
  • Industries

    IT Services and IT Consulting

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