Senior Planner

MAGNAFLOW•Oceanside, CA

11d•Onsite

About The Position

As a Senior Planner, you will own the creation, alignment, and execution of master production schedules across a complex global footprint—including multiple plants, brands, and product families within a high-mix/low-volume automotive environment. You will ensure that demand, capacity, materials, and operational constraints are fully synchronized to support on-time delivery, optimized inventory levels, and overall supply chain readiness. This role requires strong cross-functional leadership and proactive communication with Production, Supply Chain, Engineering, Sales, R&D, and international manufacturing partners.

Requirements

Strong analytical, organizational, and master scheduling skills.
Advanced proficiency in Microsoft Excel and working knowledge of Power BI or similar tools.
Expertise with ERP/MRP systems (IFS, SAP, Oracle, QAD, Infor, or similar).
Strong understanding of supply/demand alignment, capacity planning, and production control fundamentals.
Excellent communication skills; ability to simplify and articulate complex planning scenarios.
Problem-solver with the ability to act quickly to prevent production disruptions.
Basic understanding of import/export operations and customs compliance.

Nice To Haves

English/Spanish bilingual skills preferred.

Responsibilities

Master Scheduling & Production Planning
Develop, maintain, and publish the Master Production Schedule (MPS) for multiple manufacturing locations and product lines.
Analyze and validate demand forecasts, customer orders, and new product launch requirements to ensure alignment with capacity and material availability.
Convert the MPS into actionable shop floor schedules, ensuring adherence to takt time,capacity constraints, and labor requirements.
Monitor schedule performance and drive corrective actions to achieve >95% schedule adherence.
MRP / ERP System Management
Execute daily/weekly reviews of MRP signals, ensuring accurate planning parameters (lead times, lot sizes, safety stocks, BOM accuracy, routings).
Maintain high levels of ERP data integrity to support reliable planning outputs.
Analyze MRP/MPS exceptions and initiate timely actions to mitigate shortages or excesses.
Capacity, Inventory & Material Planning
Conduct short-, mid-, and long-term capacity planning across multiple international sites including labor, machinery, tooling, and supplier capacity.
Balance supply and demand to support high-mix/low-volume production models with minimal disruption.
Maintain optimal inventory levels of raw materials, components, subassemblies, and finished goods to achieve >95% customer fill rate.
Lead root-cause analysis for supply constraints and implement sustainable corrective actions.
Cross-functional Collaboration
Partner with Production Managers and Plant Supervisors to optimize production flow, reduce changeovers, and improve throughput for low volume, high variety products.
Work closely with Engineering and R&D to support new product introduction planning and prototype/PPAP scheduling.
Communicate supply risks, recovery plans, and mitigation strategies to leadership in a clear, concise manner.
Reporting & Metrics
Develop and maintain KPIs such as: Schedule adherence Inventory turns On time delivery (internal & external) Capacity utilization Planner accuracy
Generate weekly/monthly reports to support operations reviews and executive reporting.