From advanced lithium-ion batteries for laptops and EVs and specialized glass on smartphones and tablets, to the steel and cement that build the world around us, our high-performance bricks and linings make it possible to melt, bend, shape, and refine these materials at extreme temperatures. Summary: The Maintenance Planner is responsible for developing, coordinating, and optimizing maintenance activities to ensure equipment reliability, minimizing downtime, and supporting safe, efficient plant operations.