Warehouse Supervisor - 1st Shift

USA - Rialto · CA - Rialto · USD 70,304-78,740 / year · 3-5 years experience · Posted Oct 13, 2026

At a glance

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A Day in the Life:
In the position of Warehouse Supervisor you will supervise and coordinate daily activities of workers engaged in materials movement or handling, receiving, loading, unloading, transporting, stacking, order filling, shipping, and maintaining stock in a storeroom or warehouse.
The Impact You'll Make:
- Assist with design and implementation of work methods and operational procedures for activities, such as verification of incoming and outgoing shipments, handling and disposition of materials, and keeping warehouse inventory current.
- Review shipping or receiving orders and requests for movement of materials and products. Manage inventory accuracy through monitoring daily warehouse activities, cycle counts, stock takes and audits to verify results.

Monster Energy is seeking a Warehouse Supervisor for the 1st Shift in Rialto, CA to supervise and coordinate daily activities of workers engaged in materials movement or handling.
The role involves managing inventory accuracy, developing work schedules, and overseeing shipping, receiving, loading, and unloading operations.

Assist with design and implementation of work methods and operational procedures for activities, such as verification of incoming and outgoing shipments, handling and disposition of materials, and keeping warehouse inventory current.
Review shipping or receiving orders and requests for movement of materials and products.
Manage inventory accuracy through monitoring daily warehouse activities, cycle counts, stock takes and audits to verify results.
Develop work schedules and assign work to subordinates.
Supervise staff, manage workload and provide effective guidance and direction.
Train, evaluate employee performance, and recommend or initiate promotions, transfers, and disciplinary action.
Review work processes, recommend measures to improve production methods, equipment performance, and quality of product or service, and suggest changes in working conditions to increase efficiency.
Provide leadership support by establishing clear expectations and demonstrating high standards of work practices and safety conscious behavior.
Communicate with other shift supervisor and warehouse manager regarding the progress of the shift and any outstanding issues.
Keep accurate records, and prepare and submit required paperwork.

Bachelor's Degree in the field of Business Administration, or related field of study
Between 3-5 years of experience in Warehouse supervisor role
Proficiency with Microsoft Office
SAP experience preferred
OSHA Forklift Certification a plus