Materials Supervisor

LayerZero Power Systems Inc•Streetsboro, OH

About The Position

The Materials Supervisor is responsible for owning day-to-day materials execution across inventory, warehouse operations, and shipping/receiving for two manufacturing facilities. This role will lead a team of materials personnel while helping design, standardize, and scale material flow processes to support continued growth. This position is ideal for a hands-on leader who enjoys building structure, improving processes, and using data to drive better decisions — especially in an environment transitioning from manual tools (Google Sheets) to a formal ERP system. The Materials Supervisor will play a critical role in shaping how materials operations scale as LayerZero continues to grow. The right candidate will have the opportunity to leave a lasting operational footprint and grow alongside the organization.

Requirements

5+ years of experience in materials, inventory, or warehouse operations within a manufacturing environment
Strong working knowledge of inventory control and material flow concepts
Comfortable using Excel or Google Sheets for tracking, analysis, and reporting
Ability to lead through change in a growing, evolving organization

Nice To Haves

Prior experience leading hourly or frontline teams
Experience in high-mix or engineered-to-order manufacturing environments
Exposure to ERP implementations or system transitions
Lean or continuous improvement experience

Responsibilities

Own the performance, engagement, and development of the materials team across both facilities
Set clear expectations, coach daily performance, and address issues proactively
Build bench strength through training, cross-training, and standard work
Foster a culture of accountability, continuous improvement, and safety
Oversee stockroom, supermarket, material handling, and shipping/receiving activities
Ensure materials are available to support production schedules and customer commitments
Maintain inventory accuracy through disciplined processes and routine audits
Coordinate closely with Production, Planning, Procurement, and Engineering
Develop, document, and maintain standard work for all materials processes
Implement visual management and operating rhythms to ensure process adherence
Identify gaps, inefficiencies, and risks in material flow and inventory control
Lead root cause analysis and corrective actions for shortages, discrepancies, and delays
Track and analyze key operational indicators using available tools (primarily Google Sheets initially)
Use data to identify trends, prioritize improvement opportunities, and support decisions
Lead or support continuous improvement initiatives using lean concepts (Kanban, supermarkets, 5S, etc.)
Serve as a key participant in ERP preparation, testing, and go-live activities
Help translate current-state processes into future-state system workflows
Support team training and adoption during the ERP transition