Cartridge & Rocket Motor Technician; Xray

Location Chalgrove, Oxfordshire Salary Competitive with excellent employee benefits Final date to receive applications Monday, November 2, 2026 Job Summary

Cartridge and Rocket Motor Technician

As a Cartridge and Rocket Motor Technician, you’ll is responsible for the assembly, inspection, testing, and packing of cartridges and rocket motors in a precision manufacturing environment based at our Oxfordshire Chalgrove site.

This is an exciting opportunity to contribute to a department that save lives.

At Martin-Baker, the work we do matters. We design, manufacture and support life-saving equipment used by aircrew around the world. Our products operate in demanding environments, where quality, reliability and attention to detail are critical.

We’re proud of our long history in aerospace and defence, also focused on the future. Joining Martin-Baker means becoming part of a business with a clear purpose, strong engineering capability and a long-term commitment to its people, products and customers.

Whether you work in engineering, operations, commercial, finance, supply chain or support functions, your contribution helps deliver equipment that protects lives. It is challenging work, but it is also meaningful, and with over 7800 lives saved, it gives our people the opportunity to be part of something with real impact.

The role involves operating advanced radiography equipment, conducting proof and leak testing, and ensuring that all components conform to engineering drawings, specifications, and safety standards.

This is an onsite role based at our Chalgrove, Oxford site.

• Perform radiography using DR and CT for detection of anomalies and incorrect assembly of cartridge and rocket assemblies in accordance with company procedures.
• Proof firing of cartridges and rocket motors including assembly and setting up of chambers and analyses of firing data in accordance with company specification and procedures.
• Measuring the rate of escapement of helium from cartridges using a mass spectrometer to agreed test limits.
• Visual inspection of cartridges and rocket motors ensuring conformance to engineering drawings, company requirements and specifications.
• Inkjet marking cartridges with part and batch information in accordance with engineering drawings, customer requirements and company specifications
• Assembly of category 1 (low complexity) cartridges following company build plans, process work instructions and engineering drawings. Tasks will also include kitting components for assembly and preparation of hardware for use in assembly.
• Packing cartridges and rocket motors into a specified licensed packaging in accordance with drawing and customer requirements. Includes labelling and palletising for shipment to customers
• Transportation of cartridges and rocket motors from stores and magazines to process rooms including delivery of tooling and assistance of hardware shortfall fulfilment.

• Experience in similar NDT/Test roles.
• Reading and understanding Engineering drawings, route cards and relevant documentation.
• Relevant x-ray techniques.
• Self
  - Inspection
• Solid data analysis skills
• Experience using SAP
• Understanding and Interpretation of relevant test ATP’s, QAI
• Using a digital x-ray system highly desirable.

At Martin-Baker, we value professionalism, understanding, teamwork, humility, accountability and integrity. We look for people who take pride in their work, collaborate openly and act with care because the work we do matters.

• Excellent pension package with strong employer support — Martin-Baker contributes 9% of your salary (non-contributory to…