Material Planner

The role

The Material Planner executes day-to-day material planning and procurement activities. This role runs MRP, places and tracks purchase orders, and monitors supplier deliveries to keep builds on schedule.

What you will do

• Run MRP and translate net requirements into purchase orders and supplier releases
• Place, track, and expedite purchase orders
• Monitor open PO status daily and follow up with suppliers/CM partners
• Maintain accurate system data for lead times, order quantities, safety stock levels, and delivery dates
• Monitor daily inventory levels against safety stock and consumption plans
• Flag excess, aging, or at-risk inventory to the Planning Manager
• Support cycle counts and inventory accuracy reconciliation
• Identify and escalate material shortages that put build schedules at risk
• Coordinate with suppliers and CM partners to resolve delivery exceptions
• Work with the Planning Manager to align material orders with updated build plans and forecasts

Required qualifications

• 2+ years of experience and a bachelor’s degree in engineering, business, supply chain, or a related field
• Strong knowledge of materials planning fundamentals, including master data management, order policy, bill of material control, planning release, and fulfillment execution
• Proficiency with MRP and ERP systems used to support complex manufacturing and supply planning processes
• Strong analytical skills with proficiency in Microsoft Office, mathematics, and statistics
• Excellent verbal and written communication skills

About the company

Lumilens is building photonics infrastructure to power AI supercomputing. The company is a well-funded startup backed by Mayfield.