MROS Scheduler

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Hemlock Semiconductor (HSC) is a leading global provider of hyper pure polysilicon, an essential material used in the semiconductor and solar industries. From smartphones in your pocket to satellites in orbit, our materials play a foundational role in modern technology.

At HSC, employees do work that matters. Team members are part of a safety focused organization that values teamwork, excellence, responsibility and customer focus. Rooted in Michigan for more than 65 years, HSC continues to evolve through innovation, operational discipline and a strong commitment to its people and communities.

This role contributes to HSC’s ongoing work and long-term success by supporting teams, processes and priorities that keep operations running effectively.

The Scheduler translates the production plan into a working production schedule for their respective areas as part of the Sales and Operations Planning (S&OP) process. The Scheduler performs Produce to plan SAP workflows for their area including forecasting, material requirement planning, capacity management, master data management, inventory management, and scheduling/area production KPI reporting.

This role is accountable for all aspects of department performance including Safety & Environment, Quality, Reliability, Production, and Productivity.

• Production Scheduling and Communication: Create and communicate detailed production schedules, attend operations meetings, and ensure process order availability.
• Material Requirements Planning (MRP): Manage MRP for the area, including materialownership, purchase requisitions, stock levels, demand forecasts, and executing contract manufacturing workflows in SAP.
• Inventory Management: Execute cycle counts, investigate discrepancies, and ensure inventory accuracy by troubleshooting physical vs. SAP inventory mismatches.
• Process Order Management: Create, close, and troubleshoot process orders and material movements, manage production variances and coordinate with Finance for month-end reconciliation.
• Data Management and Reporting: Maintain bills of materials, production versions, masterrecipes, and aggregate data for performance reviews and meetings.
• Training and Support: Train, mentor, and provide SAP support for operations staff and students, and create/update procedures.
• Continuous Improvement: Lead planning and scheduling improvement projects, management of change workflows, partner with team to improve Scheduling Views for Material Master Data, and optimize workflows.

• Responsible for management of key raw material supply deliveries, including frequent communications and coordination with both HSC internal parties and external parties.
• Manage POs and daily trailer logistics of key raw materials for multiple Hemlock sites.
• Supply chain contact for shuttle coordination.
• Manage day-to-day HSC business Chemical Sales supply chain tactical workflow responsibilities and cross-functional communications to ensure on-time shipments.
• Collaborate with Planner to optimize key raw material and container tracking workflows to improve inventory accuracy and avoid both stockout or overstock.

• Day to day management of trailers to meet the plan.
• Weekly reconciling and error correction of goods movements for TCS, HCl, and STC with supplier/customer.
• Complete weekly chemicals mass balance documentation and lead troubleshooting when physical inventory and Sigma Fine does not match SAP.
• Coordinate containers and schedules with HSC production team and external vendors for incineration of waste material.

• Oversee Arnold Center…