A Planner/Scheduler for a Debottlenecking Project develops, monitors, and optimizes the project schedule to remove production bottlenecks, ensuring timely and efficient completion by identifying critical paths, allocating resources, managing risks, and facilitating clear communication between cross-functional teams and stakeholders using project management software. Key responsibilities include analyzing project requirements, creating detailed work plans, tracking progress against the schedule, mitigating delays, and generating progress reports to maintain project success.