CNC Machinist - Turner

Lockheed Martin Corporation; Ampthill; On-site; GBP 38,000 - 54,000; Full time

Job summary

Lockheed Martin Corporation is seeking a skilled CNC Machinist Turner in Ampthill, UK to set, operate and maintain high-precision CNC turning machines in a fast-paced, R&D-oriented shop. The role requires advanced turning and milling expertise, plus G-code programming and process optimization for high-value, low-volume parts.

The successful candidate will mentor apprentices, collaborate with engineering and tooling suppliers, and drive continuous improvement initiatives while ensuring compliance

Qualifications

• 5 years minimum machining experience.
• Experience of 6 Sigma and lean manufacturing tools and techniques.
• Programming, set up, and running of CNC lathes.
• Skilled in using Heidenhain, Fanuc and Siemens controls; edit CNC programs, set fixtures and tooling, proving out and operating CNC machines to produce R&D and production component parts.
• Making work offset, tooling and program adjustments as required.
• Working to specifications, procedures and engineering drawings.
• Inspecting produced parts using various measuring instruments and hand gauges and interprets CMM inspection results.
• Supporting the development of machining processes and tooling/fixture design.
• Liaising with engineering to improve machining methods.Using problem solving techniques to solve machining and process related issues.
• Prioritising workload to meet deliverable commitment timelines.
• Experience of 6 S and lean manufacturing tools and techniques.

Responsibilities

• Set, operate and maintain high-precision CNC turning machines for R&D and production components.
• Design machining processes, select and optimize tooling, write G-code.
• Oversee production of high-value, low-volume parts and one-offs.
• Mentor apprentices and collaborate with engineering and tooling suppliers.
• Drive continuous improvement initiatives.
• Provide equipment, PPE, and tooling as required and maintain safety standards.

Skills

Machining experience

Six Sigma

Lean manufacturing

CNC turning

G-code programming

CNC setup

CMM inspection

Tools

Heidenhain

Fanuc

Siemens

Job description

About The Role

We are recruiting a CNC Machinist Turner who will set, operate and maintain high‑precision CNC Turning machines in a fast‑paced, R&D‑oriented shop. The ideal candidate will bring advanced turning and milling expertise whilst also being comfortable on multi‑axis milling centres. They will design machining processes, select and optimize tooling, write G‑code, and oversee production of high‑value, low‑volume parts and one‑offs. Participates in daily shop briefings to discuss objectives, issues, and improvement ideas. The role includes mentoring apprentices, collaborating closely with engineering and tooling suppliers, and driving continuous improvement initiatives.

We’ll provide you with all the equipment you will require from clothing, Safety Shoes, PPE as well as all Tooling and Gauging required, alongside meaningful work that will allow you to grow your skills and enhance your career with us, but equally important to us is that you enjoy a strong work life balance as well.

We may not know what’s going to change the world next, but chances are we’re already working on it, and you can be part of the story too!

The successful candidate must be able to achieve the appropriate level (SC) of security clearance. More details can be found here

Required Skills, Qualifications And Experience

• 5 years minimum machining experience.
• Experience of 6 Sigma and lean manufacturing tools and techniques.
• Programming, set up, and running of CNC lathes.
• Skilled in using Heidenheim, Fanuc and Siemens controls; Edit CNC programs, set fixtures and tooling, proving out and operating CNC machines to produce R and D and production component parts.
• Making work offset, tooling and program adjustments as required.
• Working to specifications, procedures and engineering drawings.
• Inspecting produced parts using various measuring instruments and hand gauges and interprets CMM inspection results.
• Supporting the development of machining processes and tooling/fixture design.
• Liaising with engineering to improve machining methods.Using problem solving techniques to solve machining and process related issues.
• Prioritising workload to meet deliverable commitment timelines.
• Experience of 6 S and lean manufacturing tools and techniques.

Desired Skills

• Experience and / or transferable skills to support Turning and milling operations.
• Creating and refining machining strategies for R&D, prototype, and low‑volume production parts.
• Producing accurate work instructions, process delineations, and change‑order documentation.
• Implementing corrective action plans and track the effectiveness of process changes.
• Coordinating with production planners to balance volume and turnaround requirements.