Senior Materials & Production Planner — Semiconductors

Ichor Systems, Inc.; Heroica Nogales; On-site; MXN 900,000 - 1,500,000; Full time

Job summary

Ichor Systems, Inc. is seeking a Senior Planner to lead materials and production planning in a demanding semiconductor manufacturing environment. You will translate demand into executable production and material plans, ensuring supply continuity and reliable delivery.

Collaborate with suppliers and internal teams, manage MPS/MRP, optimize inventory, and drive schedule adherence. The role requires strong analytical skills, ERP proficiency, and the ability to balance competing priorities.

Qualifications

• Experience in materials planning, production planning within a manufacturing environment.
• Strong understanding of MPS, MRP, capacity planning, inventory management, and supplier performance management.
• Proficiency with ERP/MRP systems and intermediate-to-advanced Excel, including pivot tables, data analysis, and reporting.
• Strong analytical and problem-solving skills, with the ability to translate complex data into actionable plans.
• Ability to interpret technical information, demand forecasts, and operational reports.
• Clear written and verbal communication skills, with the ability to coordinate priorities across suppliers and internal teams.
• Ability to manage competing priorities and respond effectively to changing demand and supply conditions.

Responsibilities

• Develop and maintain the Master Production Schedule (MPS), aligning demand with production capacity and material availability.
• Analyze demand forecasts, capacity, and supply constraints to identify gaps and recommend planning adjustments.
• Release and monitor production and work orders in accordance with MRP outputs and production priorities.
• Manage material availability and supplier delivery commitments for direct materials, metals, and components.
• Optimize inventory levels to reduce shortages, excess stock, and obsolescence while supporting production requirements.
• Identify risks related to material shortages, quality issues, and equipment downtime; coordinate recovery plans and actions.
• Evaluate supplier performance, address delivery gaps, and drive corrective actions with Purchasing and Quality.
• Partner with Production, Engineering, Purchasing, Logistics, and Quality to align material readiness with manufacturing priorities.
• Facilitate planning and supply reviews, communicating schedule changes, risks, and recovery actions to stakeholders.
• Track and report key performance indicators, including on-time delivery (OTD), schedule adherence, inventory performance, and material shortages.
• Support business continuity planning, audit requirements, and internal controls.
• Provide functional guidance and mentoring to junior planners and buyers.

Skills

Materials planning

Production planning

MPS & MRP

Inventory management

Supplier performance management

ERP/MRP systems

Advanced Excel

Tools

Excel

Job description

Ichor Systems, Inc. is seeking a Senior Planner to lead materials and production planning in a demanding semiconductor manufacturing environment. You will translate demand into executable production and material plans, ensuring supply continuity and reliable delivery.

Collaborate with suppliers and internal teams, manage MPS/MRP, optimize inventory, and drive schedule adherence. The role requires strong analytical skills, ERP proficiency, and the ability to balance competing priorities.