CNC Miller; High Precision​/Tight Tolerance

CNC Miller (High Precision / Tight Tolerance)

We are currently recruiting a highly skilled CNC Miller for a precision engineering environment producing complex, high-value components to extremely tight tolerances.

This is an excellent opportunity for an experienced machinist to work in a high-spec workshop using advanced CNC milling technology and contribute to technically demanding manufacturing projects.

You will be responsible for programming, setting, and operating CNC milling machines using Heidenhain and Siemens control systems to produce precision components.

Initial location: West Byfleet (temporary, 4-6 months)
Permanent location: Send, Woking (Surrey)

• Program, set and operate CNC milling machines (Heidenhain & Siemens controls)
• Manufacture precision components to micron-level tolerances
• Work from detailed engineering drawings and GD&T specifications
• Select tooling, cutting parameters, and machining strategies
• Machine steels, stainless steels, and exotic alloys
• Carry out first-off inspection and in-process quality checks
• Ensure parts meet strict quality standards
• Optimise programs and improve cycle times
• Troubleshoot machining issues and adjust programs or setups
• Maintain safe machine operation and workshop standards
• Work with engineering and quality teams for continuous improvement

• Proven experience as a CNC Miller in a precision engineering environment
• Strong experience with Heidenhain and/or Siemens controls
• Ability to machine complex components to tight tolerances
• Experience with 3-axis and/or 5-axis machining
• Strong understanding of engineering drawings and GD&T
• Experience using inspection equipment (micrometers, verniers, gauges)
• Strong attention to detail and quality focus
• Ability to work independently and manage workload

• Engineering apprenticeship or equivalent qualification
• Aerospace, oil & gas, medical, or defence background
• CAM software experience (Mastercam, Edgecam, Hypermill, etc.)
• Multi-axis or complex machining experience

• Full-time, permanent role (40 hours per week)
• Monday to Friday, 07:00 - 15:30 (flexible within core hours)
• Workshop-based role (PPE required at all times)
• Overtime and shift work may be required depending on workload

• £18.50 - £19.50 per hour (DOE)
• Overtime paid at 1.5x rate (pre-authorised)
• Private pension scheme (5% employee / 3% employer)
• 24 days holiday + Bank Holidays
• Training and development opportunities

Join a high-tech precision engineering environment working on advanced manufacturing projects with strong focus on quality, innovation, and long-term career development.

Send your CV or get in touch with Aastha Khurana

Proactive Global is committed to equality in the workplace and is an equal opportunity employer.

Proactive Global is acting as an Employment Business in relation to this vacancy.