Membership Admin Assistant (Part Time)

Job Title: Membership Admin Assistant (Part Time)

Industry: Nonprofit / Membership Organization

Location (city, state): Washington, DC

Assignment Type: Contract (through September 30)

Pay: $22 – $24 / hour (depending on experience)

Work Schedule:

Part-time, 20 hours per week

Tuesday–Friday, 12:00 PM – 5:00 PM

Hybrid schedule with two onsite days and two remote days

Benefits: This position is eligible for medical, dental, vision, and 401(k).

About Our Client:

Addison Group is partnering with our client, a mission-driven organization, to identify a Membership Admin Assistant (Part Time) . This role will support teams focused on member engagement and program initiatives, working with stakeholders across multiple regions in a collaborative and fast-paced environment.

Job Description

This position provides administrative and operational support to two teams, helping manage communications, coordinate meetings, and handle financial tracking processes. The ideal candidate is detail-oriented, proactive, and comfortable supporting a high-volume workflow across multiple priorities.

Key Responsibilities:

Financial & Administrative Support:

• Process and monitor payment requests using expense management systems
• Maintain accurate records of invoices, contracts, and payment activity
• Update internal tracking systems to ensure accurate financial and membership data

Meeting & Logistics Coordination:

• Schedule meetings across multiple time zones and manage calendar logistics
• Prepare meeting materials and capture notes, action items, and follow-ups
• Support internal coordination efforts to keep projects on track

Webinar & Virtual Event Support:

• Coordinate and launch virtual events using platforms such as Zoom
• Manage registrations, confirmations, and attendee communications
• Assist with post-event follow-up and reporting

Communication & Inbox Management:

• Monitor and respond to incoming inquiries from members or stakeholders
• Provide timely follow-up and route requests to appropriate team members
• Maintain distribution lists, contact databases, and communication tools

General Administrative Support:

• Assist with outreach efforts, event preparation, and materials coordination
• Support ongoing projects and team initiatives as needed
• Help maintain organized systems and ensure smooth day-to-day operations

Qualifications

• 2+ years of administrative experience, preferably within a nonprofit, association, or membership-based organization
• Experience managing shared inboxes, coordinating meetings, and supporting member or customer communications
• Hands-on experience with Concur for expense processing and tracking required
• Proficiency with virtual meeting platforms such as Zoom and collaboration tools like Microsoft Teams
• Strong organizational skills with attention to detail and accuracy
• Ability to multitask and adapt in a fast-paced, deadline-driven environment
• Associate’s degree required

Additional Details:

• Start Date: Early May
• Interview Process: One-step virtual panel interview
• Team Size: Mid-sized, collaborative team environment
• Schedule supports teams across multiple U.S. time zones
• Opportunity to gain exposure to member engagement and program operations

Perks

• Flexible part-time schedule with hybrid work environment
• Opportunity to support impactful programs and initiatives
• Collaborative and supportive team culture
• Exposure to cross-functional projects and stakeholder engagement

Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. Addison Group complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. Reasonable accommodation is available for qualified individuals with disabilities upon request.