Materials Planner | JIT/Lean Production

Sanmina Corporation; Fremont (CA); On-site; USD 80,000 - 97,000; Full time

Job summary

Sanmina Corporation in Fremont, CA, is looking for a Materials Planner to translate engineering requirements and customer orders into actionable production schedules. You will synchronize materials, labor, and machinery to meet tight deadlines while upholding high technical standards at a leading EMS facility.

This role requires hands-on ERP/MRP experience (SAP/Oracle/NetSuite), strong Excel skills, and a proven ability to manage capacity, ECOs, and Lean improvements to drive Just-In-Time

Qualifications

• Bachelor’s degree in Industrial Engineering, Supply Chain Management, or related field.
• 2–3 years of production planning or manufacturing experience.
• 2–3 years of experience in sheet metal fabrication.
• Advanced proficiency in ERP/MRP systems and Microsoft Excel (Pivot tables, VLOOKUPs, macros).
• Experience with NC/Laser and press-brake capability.
• Understanding of setup sheets for punching, laser-cutting, and forming.

Responsibilities

• Develop and maintain master production schedules (MPS) using ERP/MRP systems (e.g., SAP, Oracle, NetSuite).
• Analyze plant capacity and labor availability to prevent bottlenecks and ensure smooth workflow.
• Incorporate ECOs into active production runs without disrupting lead times.
• Monitor raw materials and sub-assemblies to ensure JIT availability.
• Provide real-time WIP updates to project managers and stakeholders.
• Identify inefficiencies and apply Lean/Six Sigma to reduce waste and cycle time.

Skills

Production planning

Lean manufacturing

ERP/MRP usage

Education

Industrial Engineering

Supply Chain Management

Tools

ERP/MRP systems

Microsoft Excel

NC/Laser

Press brake

Job description

Sanmina Corporation in Fremont, CA, is looking for a Materials Planner to translate engineering requirements and customer orders into actionable production schedules. You will synchronize materials, labor, and machinery to meet tight deadlines while upholding high technical standards at a leading EMS facility.

This role requires hands-on ERP/MRP experience (SAP/Oracle/NetSuite), strong Excel skills, and a proven ability to manage capacity, ECOs, and Lean improvements to drive Just-In-Time