Cambridge Aerospace
CNC Machinist - 5-axis Milling
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Overview
We are seeking a CNC Machinist specialising in 5‑axis milling to plan, set up, and execute high‑precision machining activities across defence and aerospace programmes. This is a hands‑on manufacturing role, focused on the operation and optimisation of modern 5‑axis CNC machining centres to produce complex, tight‑tolerance components for safety‑critical defence and aerospace systems.
Responsibilities
- Set, operate, and optimise 5‑axis CNC milling machines to manufacture complex precision components
- Interpret engineering drawings, CAD models, and technical specifications, including GD&T
- Produce parts to extremely tight tolerances in materials such as titanium, aluminium, stainless steel, and high‑performance alloys
- Ensure all machining activities comply with aerospace and defence quality standards and procedures
- Troubleshoot machining issues and support continuous process improvement
- Maintain machine performance through routine checks, maintenance, and good housekeeping
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Requirements
- Strong CNC machining experience with a focus on 5‑axis milling
- Proven experience producing high‑precision, tight‑tolerance components
- Experience machining for aerospace, defence, motorsport, or similarly regulated industries
- Ability to read and interpret complex engineering drawings and GD&T
- Solid understanding of tooling, workholding, and cutting strategies
- Experience using precision inspection equipment
- Working knowledge of CNC controls such as Siemens, Fanuc, or Heidenhain
Preferred Experience / Qualifications
- Experience using or working alongside CAM software (e.g. Hypermill, Siemens NX)
- Experience across prototype, low‑volume, and higher‑volume precision manufacturing
- Knowledge of AS9100 or aerospace quality systems
- Experience machining high‑performance or difficult‑to‑machine materials
- Experience in fast‑paced R&D or startup environments
About Us
The mission of Cambridge Aerospace is to eliminate the risk of existential war in Europe. That risk comes from the air — low‑cost drones and cruise missiles manufactured at scale by our adversaries, ballistic missiles capable of catastrophic destruction, and a new generation of hypersonic weapons that evade existing defences.
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We are building low‑cost interceptors to defeat these threats, alongside the surveillance systems needed to detect and target them — at a cost taxpayers can afford, at the pace the threat demands, and with sovereign supply chains that guarantee delivery.
We are backed by the world’s leading venture funds and are one of the fastest‑growing defence technology companies in history. We are hiring exceptional engineers and technicians to build world‑class manufacturing capability in support of this mission.
Our Commitment to Inclusion
We are committed to building a diverse and inclusive workplace. If you are excited about this role but do not meet every requirement, we still encourage you to apply.
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