Senior Production/Materials Planner

Siegfried•Irvine, CA

2d•$90,000 - $100,000•Onsite

About The Position

The Senior Production/Materials Planner is accountable for end-to-end production and materials planning, ensuring customer demand is met through an integrated, feasible, and cost effective plan. This role owns the Master Production Plan (MPS) and Material Requirements Plan (MRP) across short-, medium-, and long-term horizons, balancing customer commitments, manufacturing capacity, material availability, inventory targets, and cGMP compliance. The Senior Production/Materials Planner acts as the single point of accountability for supply demand balance at the site, translating demand into executable schedules and material plans while proactively managing risks.

Requirements

Strong end-to-end supply chain planning mindset
Excellent analytical, problem-solving, and scenario-planning skills
Ability to make trade-off decisions under constraints
Strong communication skills; able to influence across functions
High proficiency in ERP/MRP systems (SAP preferred) and Excel
Ability to operate effectively in a fast-paced cGMP environment
Bachelor’s degree in Supply Chain, Engineering, Business, or related field
5+ years experience in production planning, scheduling, and/or material planning in regulated manufacturing (pharma preferred)
Demonstrated experience owning MPS and MRP

Nice To Haves

APICS (CPIM/CSCP) or Lean Six Sigma certification a plus

Responsibilities

Own and maintain the Master Production Schedule (MPS) and Material Requirements Planning (MRP).
Translate demand forecasts, firm orders, and revenue targets into feasible production and materials plans.
Balance service level, capacity, cost, and inventory tradeoffs and escalate constraints with clear options.
Develop and approve weekly and near-term production schedules, ensuring optimal plant utilization.
Align production sequencing with material availability, equipment constraints, and labor capacity.
Monitor schedule adherence, WIP status, and execution risks.
Drive corrective actions for deviations impacting OTIF.
Develop and maintain the site material plan aligned to the MPS.
Ensure timely availability of raw materials, components, and packaging under cGMP constraints.
Establish and optimize ROP/ROQ, safety stock, and storage-capacity-based policies.
Oversee BOM accuracy and planning master data integrity.
Monitor and mitigate expiry, obsolescence, and excess inventory risks.
Identify and proactively manage risks related to: Capacity constraints, Supplier performance, Material lead times, Engineering and quality changes.
Lead Supply Chain–related Change Control activities (new sources, spec changes, vendor changes).
Coordinate resolution of material and production constraints with QA, Ops, Engineering, and Procurement.
Define, track, and report site planning KPIs, including: OTIF, Production Schedule Performance (PSP), Schedule adherence, Inventory turns / DIO, Obsolete and at-risk inventory.
Provide clear planning scenarios and recommendations to site leadership and corporate stakeholders.
Support continuous improvement in planning processes, tools, and KPIs.