Master Scheduler / Production Planner - SIOP Lead

Talentify; Riverside (CA); On-site; USD 126,000 - 140,000; Full time

Benefits offered by this job

Medical, dental, vision

401(k) with employer match

Paid time off and holidays

Career growth opportunities

Job summary

Aston Carter is seeking a Production Planner/Master Scheduler in Riverside, CA. This role leads integrated production planning, owns the master schedule, and drives SIOP in a restart and scale-up environment.

You will balance capacity, inventory, and lead times while ensuring safety, quality, and regulatory compliance. You will partner with Sales, Engineering, Materials, and Finance to align on a single integrated plan, escalate conflicts with options, and translate the plan into actionable

Qualifications

• Bachelor's degree in a related field is required.
• 6+ years of production planning/scheduling experience in complex manufacturing.
• Experience in automotive or aerospace environments is highly relevant.
• Strong ERP planning data and scheduling logic knowledge.
• Advanced Excel and ERP reporting experience.

Responsibilities

• Own and manage the master production schedule across programs and product platforms.
• Lead the SIOP process, defining assumptions and documenting decisions.
• Ensure readiness and compliance before schedule releases to production.
• Collaborate cross-functionally with Sales, Engineering, Supply Chain, and Finance.
• Translate master schedule into detailed work-center plans and execution steps.
• Maintain ERP data standards for BOMs, routings, and lead times.
• Lead weekly planning performance reviews and escalations as needed.

Skills

Master scheduling

SIOP process

Capacity planning

ERP data discipline

Excel proficiency

Cross-functional collaboration

Production planning

Problem solving

Data-driven decision making

Forecasting

Education

Bachelor's degree in Supply Chain, Engineering, or Business

Tools

Epicor

SAP

Oracle ERP

Job description

Aston Carter is seeking a Production Planner/Master Scheduler in Riverside, CA. This role leads integrated production planning, owns the master schedule, and drives SIOP in a restart and scale-up environment.

You will balance capacity, inventory, and lead times while ensuring safety, quality, and regulatory compliance. You will partner with Sales, Engineering, Materials, and Finance to align on a single integrated plan, escalate conflicts with options, and translate the plan into actionable