Imerys

Day Captain

Cornwall, United Kingdom Full time

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 solutions for 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 decarbonization efforts.

Imerys is listed on Euronext Paris (France) with the ticker symbol NK.PA.

The Position

Day Captain

Job Summary

Production Supervisor / Day Captain – Drying

Location: Rocks or Treviscoe Dryer, Cornwall

Business Area: Performance Minerals EMEA

Salary: Up to £43,960 per annum, depending on experience, plus 72 shift allowance of £4,174.82

The role

Imerys is seeking an experienced Production Supervisor / Day Captain to support the safe and efficient operation of its drying assets at the Rocks or Treviscoe site. This is a hands-on leadership role for someone comfortable working on the plant, leading teams on shift and taking responsibility for day-to-day production performance.

Reporting directly to the Plant Manager, you will supervise dryer operations to ensure production targets are met safely and consistently, while maintaining high standards of quality, environmental compliance and people management.
This is a permanent, full-time position working a 72 shift pattern of 12-hour day shifts, averaging 38.5 hours per week.

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 or similar

  • IOSH Managing Safely, or willingness to attain

  • 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

and

Permanent

Only technical issues will be monitored through the below inbox:

recruiting.support@ imerys.com

PLEASE DO NOT SUBMIT RESUMES OR APPLICATIONS TO THIS EMAIL, AS THEY WILL NOT BE REVIEWED.

To ensure fairness and legal compliance in our recruitment processes, only applications received through the online application process will be considered.

IMERYS is an Affirmative Action and Equal Opportunity Employer and it is our policy to not discriminate against any employee or applicant for employment because of race, color, 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.