Membership Administrative Assistant

About the Role

Membership Admin Assistant (Part Time)

Washington, DC

Type: Contract
Category: Administrative
Reference ID: 10070090

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