Part-Time Office Manager

Work Schedule

24 hours a week between the hours of 9am - 5pm, Monday - Friday

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

Addison Group is partnering with a mission-driven nonprofit organization seeking a Part-Time Office Manager to support daily operations during an exciting period of growth and transition. This role is newly created and will play a key part in supporting an upcoming office relocation and the rollout of new systems and procedures.

The Part-Time Office Manager will support both administrative and operational functions, helping ensure smooth day-to-day office activity while assisting leadership with financial coordination and organizational projects. This position is ideal for someone who enjoys wearing multiple hats, thrives in a collaborative environment, and is comfortable supporting change initiatives such as office moves and system updates.

• Provide administrative and operational support to leadership and staff
• Monitor incoming financial documents, including invoices and billing-related items, and route them to appropriate stakeholders
• Assist with basic accounts payable and receivable tracking in coordination with a third‑party accounting partner
• Support office operations including vendor coordination, supplies, and facilities needs
• Help prepare staff for an upcoming office relocation by assisting with new building procedures and systems
• Create simple reference materials such as quick guides or one-page instructions for internal use
• Maintain organized records, contracts, and administrative documentation
• Support onboarding and offboarding logistics as needed
• Assist with special projects focused on process improvement and operational efficiency

• 2–3 years of experience in office management, operations, or administrative support
• Prior experience in a nonprofit or mission-driven organization preferred
• Familiarity with basic AP and AR documentation and invoice workflows
• Proficiency with Microsoft Office and cloud-based administrative or financial tools
• Experience with Quick Books is a plus but not required
• Strong organizational skills with the ability to manage multiple priorities
• Four-month contract role
• Background check required prior to start
• Business casual work environment
• Interview process consists of one virtual interview
• Start date as soon as possible
• Opportunity to support a meaningful mission-driven organization
• Hands‑on involvement in an office relocation and systems implementation
• Collaborative team environment with direct exposure to leadership
• Variety in daily responsibilities with opportunities to contribute to process improvements

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.