Master Scheduler

Aston Carter•Carson, CA

7d•$38 - $53•Onsite

About The Position

The Master Scheduler takes full ownership of developing and maintaining the Master Production Schedule in a plastic injection molding facility serving a diverse customer portfolio. The role creates production plans that manage labor, equipment, and materials to achieve plant efficiency targets. It requires analytical planning and close collaboration with internal teams, customers, buyers, and planners to balance supply, demand, capacity, and inventory while meeting customer service and delivery objectives. The position is based onsite in a Long Beach plastic injection molding manufacturing facility. It involves frequent coordination across shifts with production, customer service, shipping, and supply chain teams. Daily work includes using MRP/ERP systems, potentially Epicor Mattec, and Microsoft Excel for statistical analysis, forecasting, and scheduling. The work environment emphasizes collaboration, continuous improvement, and efficient material and production flow. This is a contract-to-hire position.

Requirements

Bachelor's degree in a relevant field or at least 6 years of experience in supply chain planning, coordination, and production scheduling.
Strong experience in supply chain planning, production scheduling, and manufacturing operations.
Hands-on experience with supply chain planning, production coordination, and scheduling in a manufacturing environment.
Strong knowledge of manufacturing operations, capacity management, distribution, and customer service.
Strong knowledge of and practical experience with MRP/ERP systems.
Experience with demand and capacity planning and scheduling.
Advanced proficiency with Microsoft Excel, including statistical and spreadsheet analytical skills.
Excellent written and verbal communication skills for interacting with internal teams and external customers.
Strong analytical and problem-solving abilities, particularly in evaluating supply, demand, and capacity constraints.
Ability to manage and prioritize multiple changing deliverables in a fast-paced environment.
Ability to analyze, map, and determine process requirements for planning and scheduling activities.
Experience developing and implementing standardized processes and procedures in production or supply chain environments.

Nice To Haves

APICS CPIM or CSCP certification.
Experience with Epicor Mattec or similar MRP/ERP or Epicor-based systems.
Previous leadership experience in planning, scheduling, or supply chain functions.
Experience in plastic injection molding or similar discrete manufacturing environments.
Ability to collaborate cross-functionally with customer service, production, shipping, buyers, and planners.
Strong attention to detail and commitment to accuracy in forecasting, scheduling, and order management.

Responsibilities

Prepare and maintain the Master Production Schedule by working with internal and external stakeholders to align delivery performance and inventory results.
Analyze supply and demand trends and develop methods to improve service levels, inventory turns, and production efficiency.
Develop standard scheduling procedures and strategies, and lead continuous improvement initiatives in planning and scheduling.
Use statistical analysis to develop production plans that align capacity, materials, and labor with customer demand.
Compare forecasts with historical demand and identify deviations to improve forecast accuracy and demand planning.
Develop and maintain product groupings, product forecasts, demand plans, and production schedules for a diverse customer portfolio.
Implement production and forecasting strategies that meet customer demand while maintaining minimum effective inventory levels.
Report backlog status, align it with the Master Production Schedule, review material supply and demand, and determine appropriate push/pull actions.
Analyze, improve, and control MRP settings to support efficient material flow.
Schedule daily tool and die changes, and communicate daily production plans and priorities across shifts.
Create and release daily work orders to production and verify completed work orders.
Review and approve incoming purchase orders within product-specific lead times and minimum order quantities.
Host daily reviews with Customer Service, Production, and Shipping to coordinate open orders and support OTIF shipment, expediting or rescheduling orders as needed.
Integrate sales orders into the production schedule and coordinate materials, supplies, and resources to meet required delivery dates.
Adjust and reflow orders to align with production outlook and changing customer demand.
Serve as a customer contact, providing timely, detailed, and professional updates on order and production status.
Proactively communicate order status and changes that may affect delivery or production plans.
Analyze, map, and determine planning and scheduling process requirements, and support standardized process development and implementation.
Perform other duties as necessary to support company objectives in supply chain, planning, and production scheduling.