Supervisor Location: Cornwood At Sibelco, we advance life through materials. For over 150 years, we’ve been a trusted leader in sourcing, transforming, and distributing specialty industrial minerals. Our work powers progress across industries as diverse as glass, ceramics, construction, coatings, polymers, and water purification. Beyond our materials, we’re proud of our commitment to sustainability, innovation, and empowering people from all walks of life to thrive and make a meaningful impact. Are We the Perfect Match? At Sibelco, we believe building a successful career is a two-way journey. We’re looking for individuals who share our values and vision, just as much as you’re seeking a company that aligns with your aspirations. Together, we can shape the future. Manage and support the Operations activities in the Quarry according to the Operational Excellence principles in a safe way. Manage Quarry activities to develop a safe working behaviour. Drive continuous improvement activities. Monitor and review subcontractor activities. Control waste management. Ensure a safe work environment is provided by following Sibelco safety regulations and ensuring a Zero approach is taken with regards Operational safety. Drive action to deliver competitive cost position, reduce costs, increase yield, better value products and improve processes. Deliver KPI's as required Execute operational activities within the budgeted Opex and Capex prescriptions. Achieve yearly COS budget. Manage, evaluate and develop team members. About you Practical understanding of industrial mineral industry. Good knowledge and understanding of local Quarry regulations and permit policies. Strong communicator and team leader. IT literate and good understanding of financial principles. Proactive, pragmatic and self-motivated. Why Join Us? Sibelco is more than a workplace—it’s a community that encourages growth, innovation, and collaboration. Here’s what you can look forward to when you join our team: Meet Our People: Careers Learn About Our Recruitment Process: Learn More Discover Our Sustainability Goals: Sibelco priorities We also welcome applications from all backgrounds and are committed to providing reasonable adjustments to support you through the selection process. How to Apply Follow us on LinkedIn, Instagram, Twitter/X and Facebook to learn more about life at Sibelco. Submit your application in the Apply option. Please note: We do not require agency services as we have a dedicated Global Talent Acquisition Team.