Part-Time Administrative Assistant

Department: Auxiliary and Business Services

Classification: GMU Worker

Job Category: Part-Time / Hourly Wage

Job Type: Part-Time / 20-29 hours per week

Location: Fairfax, VA

Workplace Type: On Site Required

Sponsorship Eligibility: Not eligible for visa sponsorship

Salary: $22.50 / hour

Criminal Background Check: Yes

About the Department:

The success of a top-tier research institution depends on a seamless, effective, and efficient infrastructure of support. The mission of Auxiliary and Business Services (ABS) is to improve the quality of campus life for students, faculty, staff, and the community. ABS supports the university’s overall strategic plan by providing quality goods, innovative services, and strategic business partnerships that improve value, increase student success, and enhance the university’s financial condition.

ABS impacts everyday life on campus by providing services administered through contracts, such as dining, parking, print and mail, and vending. It also oversees several campus departments, including Student Centers, the Mason Card Office, the Child Development Center, and Parking and Transportation.

About the Position:

The Administrative Assistant for ABS is a part-time position, typically 20-29 hours per week, providing support for the Office Manager and department staff. The Part-Time Administrative Assistant will be responsible for a variety of clerical and technical tasks that ensure efficient day-to-day operations within the department. The role requires excellent organizational skills, attention to detail, and a strong customer service orientation. The ideal candidate will have excellent communication skills, attention to detail, and the ability to multitask in a fast-paced environment.

Responsibilities:

• Assists the Office Manager in processing, tracking, and updating applications submitted by external vendors seeking approved caterer status with George Mason University;
• Helps maintain and update the Approved Caterers database regularly;
• Communicates with external vendors to collect required documentation or follow up on updates, as directed by the Office Manager;
• Serves as a backup HR Liaison under the guidance of the Office Manager. Support the Office Manager in drafting job descriptions and assisting with hiring processes for administrative staff;
• Coordinates logistics for search committees, including scheduling interviews, communicating with candidates, and preparing search materials;
• Assists with initiating and tracking EPAFs (Electronic Personnel Action Forms) for various employment types (full-time, wage, student workers, and contractors);
• Monitors expiration dates for contractor EPAFs and support the Office Manager in maintaining accurate HR records;
• Monitors and assists with IT help desk tickets, especially those related to print exceptions and other common technical issues;
• Follows up on outstanding tickets and escalate concerns to the Office Manager as needed to ensure timely resolution;
• Assists the Office Manager and departmental staff with providing comprehensive administrative support;
• Manages calendars, schedule meetings, and coordinate recurring and ad hoc appointments;
• Prepares meeting agendas, supporting documents, and materials in advance as directed;
• Confirms meeting logistics such as attendance, room reservations, catering, and technology setup;
• Attends meetings in absence of the Office Manager, take notes, distribute minutes, and track follow-up items;
• Helps maintain a safe and efficient office environment, including managing office supplies, submitting maintenance requests, and coordinating housekeeping needs;
• Supports travel arrangements for staff and prepare reimbursement documentation following university guidelines;
• Assists with internal projects or committee work at the direction of the Office Manager;
• Handles vending machine refunds and submit related maintenance requests as needed;
• Tracks and follows up on work orders for facilities maintenance or departmental support; and
• Performs other administrative duties as assigned by the Office Manager.

Required Qualifications:

• Associate’s degree in related field or the equivalent combination of education and experience;
• At least two years of experience providing administrative or office support, particularly in a university or similar setting;
• Demonstrated experience supporting executive-level scheduling, supply and facilities requests, and basic office operations;
• Familiarity with HR processes and the ability to handle sensitive information discreetly;
• Proficiency in Microsoft Office 365 (Word, Excel, Outlook, Teams, Zoom, PowerPoint);
• Strong communication skills with the ability to interact professionally across departments; and
• Excellent time management skills and the ability to work independently under the direction of the Office Manager.

Preferred Qualifications:

• Bachelor's degree in business administration, public administration, or human resources;
• Experience supporting HR and financial processes in a higher education environment;
• Advanced experience with Office 365 and university systems (e.g., purchase orders, EPAFs); and
• A team-oriented attitude with a strong interest in supporting office operations, staff, faculty, and students.

Instructions to Applicants: 

For full consideration, applicants must apply for Part-Time Administrative Assistant at https://jobs.gmu.edu/. Complete and submit the online application to include three professional references with contact information, and provide a Cover Letter/Letter of Intent with Resume for review.

Posting Open Date: February 23, 2026

For Full Consideration, Apply by:  March 10, 2026

Open Until Filled:  Yes