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Part-Time In-House Operations Administrator

Shepard Exposition Services · Ontario, California, United States · Posted Jun 3, 2026

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The In-House Operations Administrator will offer administrative support to the Shepard branch. This role is responsible for coordinating office activities, maintaining inventory and supplies, supporting payroll and onboarding processes, and assisting the operations team to ensure efficient daily operations.

Key Contributions of the Role

Assist the In-House Operations Manager and General Manager with inventory verification/counts process and supply ordering.

Support managers with union new hire onboarding, timecard processing, and mailing of payroll packages.

Perform general administrative duties including:

Providing general support to visitors

Receiving and sorting incoming and outgoing mail deliveries

Preparing show books for operations supervisors

Answering and directing phone calls

Managing office supplies and inventory

Assist with office housekeeping, including maintenance of office equipment.

Perform data entry, maintain databases, and facilitate communications with the branch operations team.

Support the operations team with expense reports and reimbursements as needed.

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