Job title: Deputy Security Metal Controller
Location: Royston & Brimsdown (Dual Site) - UK
(The role covers both Brimsdown and Royston sites, with a minimum of 3 days per week required at Brimsdown)
World-changing careers, enabled by Johnson Matthey. With more than 200 years history, join us and help to accelerate the transition to net-zero! As a Deputy Security Metal Controller, you’ll contribute to JM’s mission as a world leader in sustainable technology, transforming energy and reducing carbon emissions for a cleaner, brighter future.
The role:
As a Deputy Security Metal Controller, you will help drive our goals by:
1. Perform and witness key weighments in refining and chemicals processes, particularly at points of creation and consumption of high-risk materials (sponges and solid PGM); randomly check operator weighments and support monthly local stock checks.
2. Review and analyse all weighment data to identify patterns, issues, and losses; assist in creating monthly stock and loss data, SPC outputs, and reports, including audit findings and recommendations for continuous improvement.
3. Create, trial, and implement new weighment/control points to increase metal data and reduce business risk; conduct regular audits of metal production processes and apply SPC techniques to monitor compliance and process stability.
4. Support development of semi-automated, data-logged witness-weighing systems (including liaison with Security and CCTV); work with the Security Metal Controller Lead and cross-functional teams to improve monitoring, secure systems of work, and refine production procedures across sites.
Key skills that will help you succeed in this role:
5. Degree-level education in a technical or science-based discipline, with experience in structured problem-solving (e.g. RCA, 5 Whys), strong numeracy, statistical/SPC understanding, and an interest in data mining and process or system development.
6. Proficient in Microsoft Office, highly self-motivated, with strong time management skills and the ability to deliver effectively in a fast-paced environment.
7. Able to learn complex operations, deliver innovative and practical solutions, and use data objectively to drive clear, unbiased decision-making.
8. Strong communicator and collaborator, capable of building cross-functional relationships, seeing the wider business and customer context, and translating complex information into clear, concise summaries for both operational and technical audiences.
Due to the nature of this role applicants must be non-smokers and have been free from nicotine products for at least 3 months
Even if you only match some of the skills, we’d love to hear from you to discuss further!
What we offer:
We make sure salaries are fair, competitive and aligned to individual roles, experience and responsibilities. We are also supportive of hybrid and flexible working and where applicable, offer life, medical and other benefits that support our employees’ financial and physical wellbeing, such as:
9. Retirement savings
10. Share plans
11. Saving accounts
12. Life Assurance and Income Protection
13. Medical plans / health assessments
14. Fitness discounts
Ready to make a meaningful impact on your career and the environment? Join us and help shape a sustainable future while advancing your career!
At JM, inclusivity is central to our values. We create an environment where everyone can thrive, embracing diverse perspectives to tackle challenges and ensure all colleagues feel valued and connected.
For any queries or accessibility requirements, please contact We will work with you to make suitable adjustments at any stage of the recruitment process. All conversations are confidential, and your feedback is welcome to help us provide an accessible and positive recruitment experience.
Closing date for applications: This job advertisement will be posted for a minimum of 2 weeks, early application is advised.
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To submit your application, please click the "Apply" button online.