CNC Machinist (programmer)

Company: Nuclearinst
Apply for the CNC Machinist (programmer)
Location: Milton Keynes
Job Description:

CNC Machinist (programmer) c£up to 50k

ABJ6469

Location: South Type: Permanent Onsite

We are urgently seeking an experienced CNC Milling Programmer / Setter / Operator to join a modern, well-structured manufacturing environment. This role is suited to someone with a strong background in precision machining who can programme, set, and operate CNC milling machines safely and efficiently to achieve right-first-time results.

You will be joining an inclusive, collaborative team within a professional workshop housing state-of-the-art CNC machinery, laser equipment, and CMM inspection. The business supports a diverse range of high-tech sectors including medical, aerospace, semiconductor, nuclear, and other scientific industries.

Key Technical Environment: Heidenhain controls, 5-axis milling, Online programming, Large part machining.

Key Accountabilities

  • Programme, set, and operate CNC milling machines
  • Read and interpret engineering drawings to ensure accurate manufacture
  • Create and maintain layout sheets detailing tooling, set-ups, and machine parameters
  • Work independently to high standards while meeting production deadlines
  • Inspect and qualify own work using a range of measuring equipment
  • Document quality results in line with company procedures
  • Support and train colleagues where required
  • Maintain a safe, clean, and organised working environment, adhering to PPE requirements
  • Contribute to continuous improvement through time- and cost-saving initiatives

Qualifications & Experience

  • Time-served apprenticeship preferred (not essential)
  • Ideally several years’ experience programming and operating 3-, 4- and 5-axis CNC milling machines
  • Strong proficiency with Heidenhain controls (Fanuc experience advantageous)
  • Ability to take responsibility for own quality, including use of MTE and completion of quality documentation
  • Previous experience with Doosan, Matsuura, and/or Mazak machines
  • Ability to machine to tight tolerances (circa 20 microns)
  • Experience machining large components up to 2.5 metres
  • Overhead crane and manual handling training beneficial (training can be provided)
  • Strong communication skills and a positive, proactive attitude
  • High focus on quality, productivity, and continuous improvement
  • Flexible and adaptable to support a changing business environment
  • Strong work ethic essential

Benefits Package

Salary: up to £50,000 per annum (approx. 39-hour week)

Holidays: 23 days + 8 bank holidays

Pension: 4% matched scheme (post-probation – 3 months)

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Posted: June 2nd, 2026