Materials Manager

Winchester Interconnect; San Marcos (CA); On-site; USD 144,000 - 176,000; Full time

Job summary

Winchester Interconnect is seeking a seasoned Materials Manager to align strategy, flow, and optimization of materials across supply partners into the operational pipeline. This role emphasizes collaboration with the site’s procurement team to forecast demand, manage lead times, and ensure inventory availability across the organization.

The position drives end-to-end lifecycle management of goods, directing strategic planning, shipment, receipt, secure storage, and efficient internal

Qualifications

• Bachelor’s degree or equivalent practical experience in a related field.
• Minimum 10 years of experience in materials control.
• 3–5+ years of experience leading and developing teams in warehouse, shipping, and planning.
• Experience with KPI tracking to optimize efficiency and inventory turns.
• Strong ability to read Bills of Materials and collaborate with engineering on configurations.

Responsibilities

• Oversee end-to-end materials management, inventory control, and logistics.
• Lead and develop planners, warehouse, and shipping personnel for high performance.
• Collaborate with Finance for physical inventories and obsolete inventory disposal.

Skills

Leadership

Inventory management

KPI analysis

MRP/ERP systems

BOMs management

Cross-functional collaboration

Spanish (optional)

Education

Bachelor’s degree in Supply Chain Management or related field

Tools

Google Enterprise

ADP

Epicor ERP

Job description

At Winchester Interconnect, we always do the right thing, the right way. Winchester Interconnect is committed to inspiring the most innovative teams. We foster a dynamic, inclusive environment that thrives on collaboration and continuous growth. We hire exceptional people, celebrate wins, empower employee growth, and provide opportunities to thrive. Winchester is where potential transforms into purpose, and every team member plays a vital role in shaping our shared success.

Position Summary

As our Materials Manager, you are responsible for the strategic alignment, flow, and optimization of materials from key supply partners into the operational pipeline. Rather than executing transactional procurement, this role focuses on cultivating deep, collaborative partnerships with the site's procurement team to synchronize demand forecasting, proactively manage lead times, and guarantee optimal inventory availability.

As the vital link between external supply networks and internal operations, the Materials Manager owns the end-to-end lifecycle of goods. This includes directing the strategic planning, shipment, and receipt of all incoming and outgoing materials, parts, and products, and governing the secure storage, inventory control, and efficient internal distribution across the organization.

Qualifications & Requirements

• A Bachelor’s degree in Supply Chain Management, Logistics, Business Administration, or a related field (or equivalent practical experience).
• Minimum 10 years of experience in materials control
• 3 to 5+ years of experience managing, training, and developing teams, specifically supervising warehouse, shipping, and planning personnel.
• Proven experience in inventory control, material requirements planning (MRP/ERP systems), shipping and receiving protocols, and coordinating physical audits.
• Experience developing, tracking, and analyzing Key Performance Indicators (KPIs) to optimize operational efficiency and inventory turns.substantial background and practical application within Sales, Inventory, and Operations Planning (SIOP) along with Strategy/Operations Execution (SOE) methodologies.
• Strong familiarity with reading and managing Bills of Materials (BOMs) and collaborating directly with engineering teams on product configurations
• Bilingual (Spanish) a plus

Our core values - Accountability, Collaboration, and Empowerment (ACE) - are the foundation of how we operate and drive success. You will take ownership of your contributions, collaborate with a team that gets stuff done, and be empowered to innovate and pursue bold initiatives that drive our business forward.

Are You Our Next ACE

• Accountable for the end-to-end management of materials, inventory, and logistics, as well as the leadership and development of your team. Specifically, you will oversee, train, and develop a dedicated team of planners, warehouse, and shipping personnel to ensure high performance and career growth. Strategically, you will manage inventory levels to align with customer demand and corporate turn objectives, maintaining system accuracy, executing obsolete inventory disposal, and partnering with Finance to conduct physical inventories. Your operational oversight will span all shipping, receiving, and storage activities—ensuring incoming and outgoing order accuracy, optimizing component and finished goods storage, and collaborating with planning departments to schedule critical material deliveries. Finally, you will serve as the key departmental liaison with engineering on product configurations and bills of materials, while establishing and monitoring key performance metrics to drive continuous improvement across all your areas of responsibility.
• Collaborate by prioritizing operational excellence by collaborating across all departments. This leadership role involves guiding by example, exhibiting empathy, ensuring task ownership, leveraging data to drive decisions, and consistently putting the customer first.
• Empowered to optimize operations by reviewing current methods and developing improved practices. This role has the authority to select, allocate, and organize both people and materials to meet company objectives, while also driving team success by establishing clear expectations, maintaining transparency, and holding the team accountable through recurring reviews.

Systems You’ll Use

• Google Enterprise
• ADP
• ERP Systems (EPICOR)

Pay Transparency

Winchester Interconnect Corporation is committed to pay transparency. The pay range for this position is up to $160,000/annually (DOE) per year, plus incentive compensation. Exact salary will be contingent upon your experience, education, skills, and any other factors Winchester Interconnect Corporation considers relevant to the hiring decision.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities. In addition to federal law requirements, Winchester Interconnect complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities.

Winchester Interconnect expressly prohibits any form of workplace harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status.