Senior 5-Axis CNC Machinist – Precision & Aerospace Impact

Prattwhitney; Leighton Buzzard; On-site; GBP 35,000 - 52,000; Full time

Benefits offered by this job

25 days annual leave

Pension scheme

Private medical insurance

Employee assistance programme

Cycle to work scheme

Employee discounts

Job summary

RTX in Leighton Buzzard seeks an experienced CNC Machinist to operate and program 5-axis milling machines, delivering high-precision components to tight tolerances while maintaining safety and quality standards.

You will mentor operators, support continuous improvement, and work within a fast-paced manufacturing environment, contributing to throughput targets and cross-functional collaboration.

Qualifications

• Proven experience operating and programming 5-axis CNC milling machines in a high-precision engineering environment.
• Strong understanding of engineering drawings, geometric dimensioning and tolerancing (GD&T).
• Ability to work independently and as part of a team in a fast-paced environment.
• Strong commitment to EH&S and Quality standards.

Responsibilities

• Operate and set up 5-axis CNC milling machines to produce high-precision components from drawings and specifications.
• Adjust machine settings and tooling to optimise performance and quality.
• Execute the tactical day plan and ensure throughput targets are met by coordinating resources and bottlenecks.
• Act as the primary focal point for the machining cell, addressing challenges and escalation as needed.
• Mentor and guide operators to promote skill development and best practices.
• Deputise for the supervisor during their absence and participate in planning and quality meetings.
• Collaborate with cross-functional teams to meet production goals, quality standards, and safety protocols.
• Drive continuous improvement initiatives to optimise processes and efficiency.
• Monitor and report KPIs to align with organisational objectives.

Skills

5-axis CNC milling

GD&T

Problem solving

EH&S & Quality

Independent and team work

Aerospace standards

Education

Time-served apprenticeship or equivalent qualification in fabrication or mechanical engineering

Job description

RTX in Leighton Buzzard seeks an experienced CNC Machinist to operate and program 5-axis milling machines, delivering high-precision components to tight tolerances while maintaining safety and quality standards.

You will mentor operators, support continuous improvement, and work within a fast-paced manufacturing environment, contributing to throughput targets and cross-functional collaboration.