Administrative Assistant

Department: Costello College of Business

Classification: GMU Worker

Job Category: Part-Time / Hourly Wage

Job Type: Part-Time

Work Schedule:{}

Location: Fairfax, VA

Workplace Type: Hybrid Eligible

Sponsorship Eligibility: Not eligible for visa sponsorship

Salary: Salary commensurate with education and experience

Criminal Background Check: Yes

The Donald G. Costello College of Business at George Mason University is one of the largest business schools in Virginia, and is located near Washington, D.C., in Arlington and Fairfax, and at George Mason’s global campus in Incheon, South Korea. The college’s AACSB-accredited business and accounting curricula prepare undergraduate and graduate students from the U.S. and across the globe for career success in business and government.

Its research-based faculty and focus on multi-disciplinary academic programs, inclusive entrepreneurship, modular education, experiential learning, and corporate partner engagement are transforming the landscape of business education and workforce development. Learn more .edu.

The Office of Advancement at the Costello College of Business supports fundraising, alumni engagement, and donor stewardship efforts. This role contributes to the successful execution of events, data integrity, and donor engagement strategies as the College continues to expand its programs and outreach.

This part-time wage position provides administrative and operational support to the Office of Advancement. The role supports donor and board data management, event coordination, stewardship activities, and internal operations. This position is essential to maintain accurate records, supporting engagement efforts, and ensuring successful execution of Advancement programs.

Hours:

Up to 29 hours per week.

Administrative Support

• Maintains and updates donor, prospect, and board records in Patriot Force (Salesforce), including activity reports
• Reviews and updates advisory board rosters; assists with reporting and data cleanup
• Maintains electronic filing systems (SharePoint, Teams, shared drives)
• Supports procurement processes, including eVA submissions and order tracking
• Supports stewardship efforts - drafting and processing donor thank-you correspondence, gift packaging and mailing
• Conducts basic prospect research and handles confidential information with discretion
• Annual Giving Campaign reporting

Event Support

• Assists with event logistics, including RSVP tracking, registration lists, and materials preparation
• Supports event setup, execution, and breakdown (as necessary)
• Leads registration processes and tracks attendance at events
• Reconciles attendance data in Salesforce post-event
• Assists with coordination of marketing materials and website data integrity
• Event based donor tracking and engagement reporting

• Executes special projects and duties as assigned to support the department

• Prior administrative or office experience
• Experience working in a fast-paced environment
• Experience purchasing goods and services for an organization
• Strong organizational skills and attention to detail
• Effective written and verbal communication skills
• Ability to handle sensitive and confidential information
• Proficiency in Microsoft Office Suite (Excel and Word, including mail merge)
• Strong interpersonal and customer service skills
• Ability to learn CRM and reporting systems (e.g., Salesforce, Anthology, Micro Strategy)
• Ability to manage multiple priorities and meet deadlines
• Ability to lift and carry up to 20 pounds (event materials) and transportation to events

• Experience in higher education, nonprofit, or advancement environments
• Familiarity with event coordination or donor stewardship processes