Site Engineer

The Company

Imerys is the world’s leading supplier of mineral‑based specialty solutions for the industry with €3.6 billion in revenue and 12,400 employees in 40 countries in 2024. 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 decarbonisation efforts.

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

Site Engineer

Site Engineer
Herreschoff Kiln 3 (HK3), Lee Moor, Devon
Up to £50,000 + 10% bonus + excellent benefits
Permanent | 37.5 hours per week | Monday to Friday | Flexible working hours (within reason)

This is a hands‑on leadership position, managing a team of six skilled engineers within a specialist milling and secondary processing environment. Reporting to the HK3 Plant Manager and working closely with the Secondary Processing Engineering & Maintenance Manager, you will lead the engineering function on site — setting standards, driving reliability, managing budgets and delivering continuous improvement. This role is 37.5 hours per week, Monday to Friday, with flexibility within reason to suit operational demands and leadership responsibilities.

There is no shift pattern attached to this role.

• Leading, motivating and developing your team
• Managing maintenance strategy, KPIs and performance
• Owning SAP CMMS processes and maintenance planning
• Stepping onto the tools when required to support your engineers

• Lead and develop a team of six engineers, fostering engagement, accountability and high performance
• Build a strong safety‑first culture and ensure compliance with all HSE and environmental standards
• Deliver planned and reactive maintenance across kiln, milling and associated process plant
• Maximise plant reliability and OEE
• Manage the site maintenance budget and control expenditure
• Oversee site stores and critical spares management
• Drive lean manufacturing principles and continuous improvement initiatives
• Ensure compliance with ISO standards and structured maintenance systems
• Support capital projects, plant upgrades and refurbishment activities
• Collaborate closely with operations, quality, safety and procurement teams

You are a confident engineering manager who leads from the front. You bring experience from a manufacturing, minerals or milling environment, with strong technical capability and excellent organisational discipline.

• Proven experience leading engineering maintenance teams
• Strong mechanical and electrical engineering knowledge
• Experience with in heavy industrial or processing environments
• Strong SAP / CMMS knowledge and robust back‑office management skills
• Budget and cost control experience
• Understanding of lean manufacturing and continuous improvement methodologies
• Knowledge of ISO standards and structured compliance systems

This is an opportunity to take ownership of engineering performance within a specialist industrial site, shape the culture of a capable team and drive meaningful improvement — all within a stable, globally respected organisation.

• 25 days holiday, plus bank holidays
• Generous Pension Plan
• Life Assurance
• Income Protection
• Company Sick Pay
• Discounts with external retailers on Imerys Advantage!
• Cycle to work scheme via Halfords
• Salary sacrifice car scheme via Tusker
• Buy Holiday scheme

• Employee Assistance Programme
• Virtual GP
• Flu and Eye care vouchers
• Enhanced family‑friendly policies
• Menopause Support
• Private Medical Health Plan

For any enquiries about this position or to request a copy of the job description, please contact

31/03/2026

• Full time
• Permanent

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, 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.