Planner, Sr.

RBC Bearingsorporated•South El Monte, CA

5h•Onsite

About The Position

The Senior Planner serves as a critical link between customer program requirements and shop floor execution in a high-mix, low-volume environment that produces precision-machined and cast components for Rockets, Satellites, and Nuclear Submarines. This role is accountable for aligning production schedules, material availability, and capacity constraints with program deliverables and contractual commitments. The Senior Planner ensures on-time delivery by driving material planning, executing make-buy strategies, coordinating across sub-tiers and internal operations, and maintaining inventory integrity in compliance with Space & Defense standards and DPAS-rated priorities.

Requirements

Minimum 5+ years planning and scheduling experience in Aerospace & Defense manufacturing (machining, casting, and/or fluid control systems preferred).
Minimum 5+ years working within an integrated ERP/MRP system (SAP S/4HANA strongly preferred).
Strong knowledge of capacity planning, production order management, and MRP exception handling (COOIS, MD04, CM01, COHV).
Demonstrated ability to analyze data, identify risks, and drive decisions across operations and supply chain.
Excellent communication skills (verbal and written) with ability to interact across multiple levels of the organization and with customers.
Proven ability to manage competing priorities and drive execution in a deadline-driven environment.
Ability to read and interpret blueprints, specifications, and engineering drawings.
Proficiency in MS Office Suite; advanced Excel and data analytics skills are strongly preferred.
Bachelor’s degree in Supply Chain Management, Operations, Engineering, or related field with a minimum of 5 years relevant experience in Aerospace & Defense manufacturing.
Equivalent combination of education and experience will be considered.
U.S. citizenship required.

Nice To Haves

APICS/ASCM CPIM certification preferred.

Responsibilities

Develop and maintain production schedules that align with contractual delivery dates, program milestones, and DPAS-rated requirements.
Manage timely review, release, and execution of production work orders and purchase requisitions across assigned product lines.
Evaluate and balance plant inventory levels, ensuring proper quantities, lead times, and storage capacity while resolving discrepancies and shortages.
Drive make-buy decisions for precision-machined and cast parts in collaboration with Supply Chain, balancing lead time, cost, and quality.
Coordinate with machining, casting, welding, and assembly work centers to identify and resolve capacity constraints. Escalate bottlenecks through SIOP and capacity review forums.
Collaborate with Contracts, Quality, Program Management, and Operations to prioritize and negotiate schedule adjustments in support of customer needs.
Partner with Supply Chain to monitor sub-tier supplier performance, track critical-path materials, and mitigate risks on long-lead or sole-source components.
Incorporate engineering changes quickly and accurately into production schedules while minimizing disruption (ECNs, BOM changes, routers, ECOs, MRBs, and part activations).
Support root cause analysis and corrective actions for material delays, quality issues, or schedule variances.
Ensure data integrity and accurate parameter updates across SAP and associated systems.
Maintain records and documentation in compliance with company SOPs, ISO/AS9100, ITAR/EAR, and customer requirements.
Own and drive performance metrics including: Customer On-Time Delivery (COTD), Production Schedule Adherence, Inventory Accuracy (cycle count and reconciliation).