The Company
Imerys is the world’s leading supplier of mineral‑based specialty solutions for the industry with €3.4 billion in revenue and 12,300 employees in 40 countries in 2025. The Group offers high value‑added and functional solutions to a wide range of industries and fast‑growing markets such as the energy transition and sustainable construction, as well as natural solutions for consumer goods. Imerys draws on its understanding of applications, technological knowledge, and expertise in material science to deliver solutions which contribute essential properties to customers’ products and their performance. As part of its commitment to responsible development, Imerys promotes environmentally friendly products and processes in addition to supporting its customers in their decarbonisation efforts. Imerys is listed on Euronext Paris (France) with the ticker symbol NK.PA.
The Position
Day Captain – Production Supervisor / Day Captain (Drying)
Job Summary
Location: Rocks or Treviscoe Dryer, Cornwall
Business Area: Performance Minerals EMEA
Salary: Up to £43,960 per annum, plus £4,174.82 shift allowance (72‑shift pattern).
Key Responsibilities
* Supervise day‑to‑day dryer operations, including production planning, manpower planning and material handling
* Coordinate production activity to achieve agreed tonnage and performance targets
* Lead operational excellence activity on site, including Opex and I‑Cube initiatives
* Maintain a strong focus on health, safety and environmental standards
* Manage LOTOTO documentation, permits and risk assessments
* Manage incidents and near misses, ensuring actions and learning are completed
* Supervise, lead and motivate 12–15 indirect reports
* Plan and manage holiday and sickness cover to maintain operational continuity
* Deliver Toolbox Talks, Take 5s and Safety Stand Downs
* Ensure compliance with company policies, legislation and Imerys EHS and quality standards
What We Are Looking For
This role would suit an experienced Production Supervisor or Shift Supervisor from a manufacturing, processing or industrial environment who enjoys being close to operations and leading from the front.
You will bring a strong safety mindset, practical leadership experience and the confidence to engage, support and challenge teams while delivering continuous improvement.
Experience And Qualifications
* Experience supervising production teams within a safety‑critical environment
* Sound knowledge of health, safety and environmental requirements
* NVQ Level 3 in Health, Safety and Environmental Management (Extractive and Minerals Processing), or willingness to work towards it or a similar qualification
* IOSH Managing Safely, or willingness to attain it
* Continuous improvement training (Green Belt or similar) is desirable
* People management or leadership training is beneficial
* Good IT skills with experience using operational systems
* Valid license to drive in the UK
Benefits
* Defined Contribution pension scheme with company contributions
* Private Medical Insurance
* Group Life Assurance
* Income Protection
* 19 days’ annual leave plus bank holidays
* Buy Holiday Scheme
* Enhanced sick pay
* Enhanced maternity and paternity leave
* Employee Assistance Programme
* Mental health and wellbeing support
* Cycle to Work Scheme
* Employee discount portal
* Occupational health support
* Long service and recognition awards
Why join Imerys
Imerys offers a stable, long‑term career within a global organisation that places safety, operational discipline and people development at its core. You will have the opportunity to further develop your leadership capabilities, build specialist process knowledge and play a key role in the ongoing performance of an established operational site.
Position Type
Full time, Permanent
EEO Statement
IMEERYS is an Affidative Action and Equal Opportunity Employer and it is our policy to not discriminate against any employee or applicant for employment because of race, colour, religion, sex, national origin, age, marital status, sexual orientation, gender identity, genetic information, disability, veteran status, or any other status protected by federal, state or local laws.
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