Overview

Job Description Job Description Planning & SIOP ManagerDepartment: Supply ChainDivision: OperationsAt Daniel Defense, Only the Best Build the Best Daniel Defense engineers and manufactures the world's finest weapon systems and accessories. Our mission of Honor God. Defend Freedom is accomplished by serving customers and providing top quality solutions to our military, law enforcement and civilians that are seeking premium firearms for home defense, hunting, and sport shooting.The Planning & SIOP Manager owns Daniel Defense's integrated planning function, including Sales, Inventory & Operations Planning (SIOP), Master Production Scheduling (MPS), production planning, capacity planning, inventory strategy, and planning system governance.This role translates business demand into executable production and supply plans that balance customer requirements, manufacturing capacity, supplier capability, inventory investment, and financial objectives. Partnering across Sales, Operations, Finance, Manufacturing, Procurement, Product Development, Quality, and Business Excellence, the Planning & SIOP Manager ensures the business operates from a single, aligned plan while providing the visibility and decision support required to sustain growth.Essential Functions: Own and lead the enterprise SIOP process, aligning demand, supply, inventory, capacity, and financial objectives. Facilitate executive SIOP reviews by presenting business risks, capacity constraints, inventory impacts, and recommended actions. Lead scenario planning to support business growth, changing market demand, new product launches, and operational constraints. Ensure SIOP decisions translate into executable production, procurement, inventory, and capacity plans. Own the Master Production Schedule (MPS) and production planning process to support customer demand while optimizing schedule stability, manufacturing lead times, and inventory investment. Balance demand, material availability, manufacturing capacity, and supplier capability to develop achievable production plans. Partner with Operations and Business Excellence to align production schedules with labor, equipment, tooling, and process capacity. Lead planning recovery activities related to supplier constraints, quality issues, engineering changes, and production disruptions. Develop inventory strategies that balance customer service, production continuity, and working capital objectives. Own planning system governance, including planning parameters, lead times, safety stock, planning calendars, and ERP master data. Ensure MRP outputs, planning exceptions, and supply risks are proactively managed through disciplined planning processes. Lead Plan for Every Part (PFEP) strategies supporting inventory optimization, supermarkets, replenishment methods, and production flow. Establish planning metrics, dashboards, and reporting that provide visibility into inventory, schedule performance, capacity, forecast accuracy, and production readiness. Drive continuous improvement of planning processes, ERP utilization, reporting capabilities, and organizational maturity. Support ERP optimization and future planning system enhancements to improve planning effectiveness and automation. Lead and develop the Planning organization while establishing clear ownership, accountability, and standard work. Develop team capability in SIOP, MRP, production planning, inventory management, capacity planning, and business analytics. Serve as the primary planning partner across Operations, Procurement, Engineering, Finance, Sales, Product Development, and Manufacturing to support informed business decisions. Success Measures SIOP process maturity and executive decision effectiveness. Master Production Schedule (MPS) attainment. Manufacturing lead time reduction. Days Inventory Outstanding (DIO) and inventory turns. Forecast accuracy and schedule stability. Material availability and shortage reduction. Capacity plan accuracy and production readiness. E