The Sterling Thermal Technology team is fast-growing and ambitious, working together to partner and to pioneer at the forefront of our industry. What we create together matters.

We have an exciting opportunity for a highly motivated individual to work within the Operations Department as a CNC Programmer Setter Operator / Conventional Machinist.

The role

We are looking for a skilled and versatile CNC Programmer Setter Operator with manual machining    experience to join our precision engineering team. The ideal candidate will be responsible for   programming, setting, and operating CNC machines, as well as performing manual machining tasks   (mills and/or lathes) to produce high-quality metal components to tight tolerances.

Your normal hours of work will be 37½ per week on our ‘late’ shift, i.e.

Monday – Wednesday 1.30pm – 11.30pm
Thursday 1.30pm – 11.00pm.

 Who you will interact with

• Responsible to Production Supervisor
• You will be fully supported in your position by others across the business.

Key responsibilities:

CNC Duties:

• Program CNC machines using G-code or CAM software (e.g., Seimens, EdgeCAM, or similar).
• Set up and operate CNC machine centre.
• Interpret engineering drawings and technical specifications.
• Select appropriate tooling, speeds, and feeds for various materials.
• Perform first-off inspections and in-process quality checks.
• Adjust programs and offsets to maintain dimensional accuracy.

     Manual Machining Duties:

• Operate manual lathes, milling machines, and drills.
• Produce one-off or low-volume components as required.
• Deburr and finish machined parts to specification.

     General:

• Maintain a clean and safe working environment.
• Complete job cards and production records accurately.
• Collaborate with engineering and quality teams to resolve issues.
• Contribute to continuous improvement initiatives.

Requirements:

      Essential:

• Proven experience in CNC programming, setting, and operating.
• Strong manual machining skills.
• Ability to read and interpret complex engineering drawings.
• Good understanding of geometric tolerancing and surface finishes.
• Familiarity with a range of metals including stainless steel, mild steel, and aluminium.
• Strong attention to detail and quality.

     Desirable:

• Experience with Fanuc, Siemens, or EdgeCAM controls.
• Apprenticeship or NVQ Level 3 in Mechanical Engineering or equivalent.
• Experience in a low-volume, high-precision manufacturing environment.

     Key Results:

• Maintaining a high level of quality consistently and work output.  
• Efficient and timely completion of all production activities.

     Attributes:

• Self-motivated and able to work independently.
• Strong problem-solving and troubleshooting skills.
• Flexible and adaptable to changing priorities.
• Good communication and team work skills.

How We’ll Support You:

The training and development needs of this position will be determined in consultation with the Production Supervisor.

 Benefits Package

• 25 days holiday + bank holidays
• Life assurance
• Pension
• Health cash plan
• On-site parking
• On-site electric charging points
• Social events
• Seasonal flu jabs

 Closing Date: Friday 21st November 2025