Storeroom Supervisor - Ripon

The Wine Group (TWG) is a leading producer of award-winning wines and alcoholic beverages across 120+ brands. With operations in California, New York and Australia, TWG is an innovator in developing and marketing brands beloved by consumers globally, including Cupcake, Franzia, Benziger, Imagery, Tribute, Chloe, Meiomi, Cooks, 7 Deadly, Cooper & Thief, and more. We produce our products using sustainable practices to create delicious beverages that people can feel good about. Visit us at www.thewinegroup.com.

JOB SUMMARY

The Storeroom Supervisor oversees maintenance, repair, and operations (MRO) inventory supporting all departments and maintenance functions across The Wine Group’s Ripon site. This role provides leadership, administration, control, and continuous improvement of storeroom operations and inventory management processes to ensure material availability and inventory accuracy.

This position leads the storeroom team, including Storeroom Coordinators, Storeroom Attendants, and Storeroom Buyers, ensuring inventory is properly controlled, transactions are accurately recorded, and materials are readily available to support safe, reliable, and efficient plant operations. The supervisor partners closely with Maintenance, Engineering, Reliability, Planning, Procurement, Operations, Finance, and site leadership to maintain inventory integrity, optimize stock levels, and drive continuous improvement.

ESSENTIAL FUNCTIONS

Leadership & Team Development

• Lead, coach, and develop Storeroom personnel while fostering a culture of safety, accountability, customer service, and continuous improvement.
• Establish priorities, allocate resources, and ensure effective execution of daily Storeroom operations.

Inventory Control & Financial Stewardship

• Ensure inventory transactions and material movements are accurately recorded within ERP and inventory management systems.
• Maintain accurate inventory records, investigate discrepancies, and ensure the Storeroom remains secure, controlled, auditable, and measurable.
• Report inventory value, performance metrics, and key findings to Finance and site leadership.

Inventory Management & Material Availability

• Ensure that critical spare parts and maintenance materials are available to support safe, reliable, and efficient plant operations.
• Optimize inventory levels, supplier utilization, material master data, and stock nomenclature to balance service levels, inventory investment, and operational needs.
• Utilize system data, reporting tools, and analytics to drive inventory performance and decision-making.

Storeroom Operations & Compliance

• Develop, implement, and maintain SOPs and standardized processes for Storeroom operations and inventory control.
• Ensure compliance with company policies, GMP requirements, safety standards, inventory control procedures, and documentation requirements, including SDSs and Certificates of Conformity where applicable.
• Maintain Storeroom organization, housekeeping, access controls, and visual management standards.

Inventory Accuracy & Continuous Improvement

• Oversee cycle count programs, inventory audits, and corrective actions to maintain inventory accuracy and integrity.
• Lead initiatives that improve inventory accuracy, material availability, process efficiency, customer service, and cost management.
• Partner with Maintenance, Reliability, Engineering, Procurement, Operations, and Finance to support site objectives and continuous improvement efforts.
• Conduct periodic stakeholder reviews to communicate Storeroom performance, improvements, and opportunities.

Additional Responsibilities

• Perform other duties and special projects assigned in support of facility operations.

QUALIFICATIONS

Required

• High School Diploma or GED equivalent required.
• 5+ years of experience in MRO inventory, storeroom, warehouse, maintenance, purchasing, or supply chain operations.
• 2+ years of supervisory or leadership experience.
• Experience with ERP/CMMS systems (JDE preferred).
• Strong knowledge of inventory control, cycle counting, and inventory management practices.
• Proficient in Microsoft Office, particularly Excel.
• Strong analytical, organizational, communication, and problem-solving skills.

Preferred

• Associate's or Bachelor's degree in Business, Supply Chain, Operations, Maintenance, or related field.
• Experience in a manufacturing or food production environment.
• Experience with KPI development, reporting, and continuous improvement initiatives.
• Knowledge of Lean, 5S, and inventory optimization principles.

Technical Competencies

• Ability to effectively utilize ERP, CMMS, reporting tools, and data analytics to drive inventory performance and decision-making.
• Experience maintaining inventory master data, part nomenclature standards, and material catalogs.
• Ability to develop and analyze inventory, service level, and financial performance metrics.

PHYSICAL DEMANDS

• Frequent walking, standing, bending, and movement throughout warehouse, maintenance, and production areas.
• Ability to occasionally lift and move materials up to 50 lbs.
• Ability to operate computers, mobile devices, and inventory scanning equipment.
• Work is performed in both office and manufacturing environments with exposure to varying temperatures, noise, and forklift traffic.
• May require occasional off-hours support for inventories, audits, shutdowns, or operational needs.
• Must comply with all safety, GMP, food safety, and PPE requirements.

COMPENSATION

• Hiring Salary Range Posted: $73,100 - $109,700.
• Actual compensation will be based on factors such as experience, skills, knowledge and abilities, education, and other position-related factors.

At The Wine Group, we are proud to be an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, genetic information, national origin, disability, protected veteran status, or other characteristic protected by law.

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NOTICE TO THIRD PARTY AGENCIES

Please note that we do not accept unsolicited resumes from recruiters or employment agencies. In the absence of a signed Recruitment Services Agreement, we will not consider, or agree to, payment of any referral compensation or recruiter fee. In the event that a recruiter or agency submits a resume or candidate without a previously signed agreement, we explicitly reserve the right to pursue and hire those candidate(s) without any financial obligation to the recruiter or agency.