Master Scheduler

Job Description: GENERAL JOB SUMMARY: The Master Scheduler is responsible for developing, maintaining, and optimizing the master production schedule to ensure alignment with customer demand, program requirements, material availability, and manufacturing capacity and resources. This role plays a critical part in enabling on-time delivery from material procurement, efficient material flow from kitting to outsource and/or internal manufacturing to support of MSI's programs, prototypes/engineering, and production units. This role coordinates cross-functionally with Program Management, Engineering, Supply Chain (Procurement and Planners), Quality, Test, and Manufacturing to ensure contractual commitments are met. This position establishes schedule governance, collects real-time status from shop-floor teams, ensures constraints are visible, resolves conflicts, and drives accountability to execution milestones. The Master Scheduler will own the Master Schedule with version control to manage weekly rolling production schedules, lead weekly schedule reviews, support MRP/ERP alignment (Costpoint), and serve as the central point for communicating schedule risk and recovery actions to leadership. ESSENTIAL JOB FUNCTIONS: Master Schedule Ownership Develop, manage and publish the Master Production Schedule (MPS) ensuring alignment with contract requirements and customer demand/commitments. Monitor, analyze, and adjust schedules based on material shortages, engineering changes, labor constraints, supplier delays, or shifting customer priorities. Develop MS Project that integrates engineering, supply chain, production, test, and quality tasks into a single master plan with clear dependencies, durations, and predecessors. Manage and maintain the GANTT (3-year rolling monthly demand - build plan) and publish monthly (1st week) Ensures schedule logic, baselines, critical path, and constraints are accurate and updated weekly. Cross-Functional Coordination Facilitates schedule updates from Engineering, Manufacturing, Supply Chain (Procurement and Planners), Test, Quality, and outside vendors. Leads weekly schedule stand-ups and communicates gaps, risks, and recovery actions. Coordinates with Supply Chain to ensure material availability aligns with production schedules - long-lead identification, demand signals and changes, and supplier on-time delivery status. Collaborate with Program Managers to ensure production plans reflect current program requirements Drive continuous improvement in planning processes, tools, and cross-functional communication. Execution Governance Develop and publish weekly schedule reports, dashboards, critical path summaries, schedule adherence, lead time performance, inventory health, and on-time delivery. Flags deviations early and drives root-cause analysis and corrective actions. Reviews contract requirements and integrate relevant deliverables and milestones into the master schedule. MRP/ERP Alignment Ensures MS Project schedules align with Costpoint work orders, part availability, and BOM structure. Collaborates with Inventory, Procurement, and Planning to maintain accurate supply signals. Supports program cost, material planning, and labor loading through accurate data integration. Drives master data updates in partnership with Procurement to improve MRP performance, including lead times, stocking levels, commodity codes, material status, and related parameters. Risk, Change, and Communication Performs What-If modeling to assess schedule impacts of design changes, supply chain delays, or resource constraints. Manages schedule baselines, revisions, and version control within Teams or SharePoint. Provides timely communication to leadership on schedule health and projected delivery performance. Compliance & Documentation Supports AS9100, DFARS, and internal gating requirements for planning and documented scheduling. Maintains configuration control of all schedule files and publishes official versions to the PMO reposit…

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