We are seeking a reliable, safety‑focused Maintenance Supervisor to join our Brandy Hill Quarry team in Seaham, approximately one hour north of Newcastle. This full‑time role reports to the Quarry Manager, with standard hours from 5:30am–1:30pm, Monday to Friday , some overtime, including Saturdays may be required. The Maintenance Supervisor oversees daily maintenance operations across the quarry’s fixed and mobile plant, ensuring all work is completed efficiently, safely, and in line with Heidelberg Materials’ standards. Tasks will include planned maintenance, shutdowns, reactive repair work, minor fabrication, resource coordination, and on‑site supervision. In your new role, you will: Oversee day‑to‑day activities within the maintenance workshop Supervise the Leading Hand, Tradesperson, and all maintenance personnel Coordinate and oversee contractors working on-site Manage and maintain all fixed plant and mobile equipment to ensure optimal performance Plan, schedule, and prioritise maintenance and repair tasks Lead and respond to equipment breakdowns to minimise production impacts. Manage and monitor the maintenance budget Contribute as part of the Brandy Hill Quarry leadership team to support operational outcomes Conduct regular inspections of plant and equipment to ensure compliance with safety and statutory requirements Carry out in depth root cause annalist investigations on equipment failures and downtime events Maintain accurate maintenance records and report incidents promptly Recommend improvements to maintenance processes, equipment reliability, or operational efficiency Ensure workshop inventory levels are maintained, including components, parts, and consumables Support housekeeping and maintain a clean, safe, and organised workshop in line with 5S standards Travel to other sites when required for reviews or maintenance support This role is a great fit for you, if have: Experience in a quarry, mining, or heavy industrial environment (preferred) A strong mechanical understanding of fixed and mobile plant Previous leadership experience supervising small teams A demonstrated commitment to high standards of safety and compliance Skills in fault‑finding and problem‑solving A motivation to contribute improvements to maintenance practices and equipment performance What we offer: Competitive salary package including company vehicle, tools of trade and incentive scheme Uniforms and PPE Provided Opportunities for ongoing career development and progression within a national industry leader Be part of a highly recognised global brand name and growing organisation About Heidelberg Materials With more than 4,000 employees across 300 sites, we have an extensive production and logistics network across Australia. We think global and act local - we benefit from global research and development enhanced by national collaboration to offer a comprehensive range of high-quality concrete, aggregates, road base, sand and asphalt products. We also produce a wide range of sustainable and recycled construction materials for civil construction and infrastructure projects. We are driven by excellence and high performance and together we will shape Australia’s construction materials industry building a legacy for generations to come. Our Benefits At Heidelberg Materials, we understand that your well-being and professional growth are essential. We offer a unique in-house benefits program where you can unlock endless savings for you and your family through our Material Benefits employee program. Take the pressure of home life with incredible discounts that truly make a difference. Salary Sacrifice: Take control of your finances by saving on, technology, and work-related items through our salary sacrifice program. Learning and Development: Fuel your career ambitions with our extensive learning and development opportunities, enabling you to unlock your full potential. Paid Parental and Grandparent Leave: We support your family life with generous paid leave options, helping you cherish those precious moments with loved ones. Discounted Concrete & Quarry Products: Save on your home improvement projects with exclusive discounts on concrete and quarry products. Novated Leasing: Drive your dream car for less through our partnership with TFM, offering fantastic discounts on vehicles. Heidelberg Materials is an equal opportunity employer, and we welcome people from all walks of life. We encourage applications from Indigenous Australians, people with disability, those from diverse cultural backgrounds, and the LGBTQI community. We’ll Make It Happen