Pacific Packaging Machinery, a product brand of ProMach, is looking for a Materials Manager to contribute to the success of the Corona, CA operation by leading procurement, planning, inventory control, receiving, shipping, and materials flow in support of custom filling and capping machinery. Provide direct leadership for the materials team, including buyers, planners, inventory control, receiving, stockroom, and shipping personnel; set clear expectations, assign work, monitor priorities, and ensure daily execution supports production schedules and customer commitments.