A Scheduler Engineer develops, maintains, and analyzes project schedules, ensuring timely completion by managing activities, resources, and timelines using CPM/PERT, tracking progress, identifying risks (delays/conflicts), and reporting to management. Key duties include creating Work Breakdown Structures (WBS), resource loading, progress monitoring, baseline control, risk management (Issue/Risk Registers), and communicating updates to stakeholders, often using specialized software like Primavera P6 or MS Project.