Principal Mechanical Design Engineer

Carbon60; Stevenage; On-site; GBP 40,000 - 60,000; Full time

Job summary

A leading defence organisation is seeking an experienced Principal Mechanical Design Engineer to support the development of advanced missile systems. The role requires expertise in CAD, particularly Creo, along with a background in defence or aerospace. You'll be leading design and proving activities, resolving manufacturing issues, and collaborating with a multi-disciplinary team. This position offers an opportunity to shape the future of defence technology.

Qualifications

• Proficiency in Creo 3D CAD.
• Knowledge of manufacturing processes and tolerance studies.
• Experience in structural design and material selection.

Responsibilities

• Lead mechanical design and proving activities for assemblies and components.
• Resolve manufacturing issues and support testing and trials.
• Collaborate with suppliers and internal teams on technical queries.

Skills

Creo 3D CAD

Manufacturing processes & tolerance studies

Structural design & material selection

FMEA

Teamwork skills

Communication skills

Job description

About the Role

A leading defence organisation is seeking a Principal Mechanical Design Engineer to support the development of advanced missile systems. This is a hands‑on design role within a multi‑disciplinary team, ideal for someone with strong CAD skills and experience in defence, aerospace, or similar industries.

Key Responsibilities

• Lead mechanical design and proving activities for assemblies and components
• Resolve manufacturing issues and support testing and trials
• Collaborate with suppliers and internal teams on technical queries
• Participate in design reviews and project planning

Essential Skills

• Proficient in Creo 3D CAD
• Strong knowledge of:
  • Manufacturing processes & tolerance studies
  • Structural design & material selection
  • FMEA, DfM/A, and environmental sealing
  • Defence standards & product lifecycle management
• Excellent communication and teamwork skills

Preferred Background

• Defence or aerospace industry experience preferred
• Automotive or similar sectors considered with relevant skillset

Apply now to be part of a cutting‑edge engineering team shaping the future of defence technology.