CNC Machinist Jobs in UK | Sheffield Forgemasters

About Sheffield Forgemasters

Sheffield Forgemasters is a renowned steel production and engineering company specialising in the design, manufacture and delivery of high-quality steel forgings and castings. With a history spanning more than 250 years, the company supports critical industries, including defence, energy and civil nuclear.

As part of a major £1.3 billion investment programme, Sheffield Forgemasters is modernising its manufacturing facilities, machinery and technology to support future engineering projects and develop its workforce.

Role Overview

As a CNC Machinist with Sheffield Forgemasters, the successful candidate will operate manual and computer numerical control (CNC) machinery to manufacture large, complex steel components to precise engineering specifications.

Working within the company’s Machine Shops in Sheffield, the machinist will contribute to the production of critical forged and cast components used in demanding industrial applications. The role involves interpreting technical drawings, maintaining tight machining tolerances and following established quality and safety standards.

This opportunity is ideal for an apprentice-trained machinist with experience in milling, turning or boring who wants to develop technical skills and contribute to major engineering projects.

Key Responsibilities as CNC Machinist

• Operate manual and CNC machines for machining large steel castings and forgings.
• Read and interpret complex engineering drawings and technical specifications.
• Perform milling, turning, boring and other machining operations.
• Machine large components to precise dimensions and tight tolerances.
• Understand and work with CNC programmes and machining processes.
• Support the safe movement and positioning of large components using appropriate lifting equipment where qualified.
• Maintain high standards of product quality and machining accuracy.
• Follow health, safety and operational procedures throughout the manufacturing process.
• Use continuous improvement methods, including 6S, to maintain an organised working environment.
• Work collaboratively with colleagues across the Machine Shops.
• Identify opportunities to improve machining efficiency and working practices.
• Contribute to the manufacture of components for defence, energy and civil nuclear programmes.

Shift Pattern & Working Hours

• Full-time position.
• 37.5 hours per week.
• Rotating three-shift pattern covering mornings, afternoons and nights.
• Location: Sheffield, United Kingdom.
• Closing date: 22 October 2026.
• Salary: Not specified in the advertised vacancy.

Start Your Career With Sheffield Forgemasters

Sheffield Forgemasters offers skilled machinists the opportunity to work with advanced heavy engineering equipment and manufacture components for important defence, energy and civil nuclear projects. The company’s investment programme is creating opportunities to develop technical expertise while contributing to the future of British engineering.

The successful candidate will be expected to meet the relevant security requirements, including a criminal record check and Baseline Personnel Security Standard checks. Some positions may also be subject to nationality, export control and additional security vetting restrictions.

Sheffield Forgemasters is an equal opportunities employer committed to building an inclusive workforce that values quality, innovation, teamwork, trust and safety.

Apply Now

Apply now for the CNC Machinist position with Sheffield Forgemasters and take the next step towards a rewarding career in precision machining and heavy engineering.