HR Administrative Assistant (Part-Time)
Addison Group, Washington, District of Columbia, United States
Job Title:
HR Administrative Assistant (Part-Time)
Industry:
Nonprofit / Association
Location:
Washington, DC
Assignment Type:
Contract-to-hire (through September 30, with potential for extension or conversion)
Pay:
$25–28/hr (depending on experience)
Benefits:
This position is eligible for medical, dental, vision, and 401(k).
Work Schedule:
Part-time, 20–24 hours per week. Tuesday–Thursday, 9:30 AM – 5:30 PM. Hybrid schedule with two onsite days and one remote day.
About Our Client:
Addison Group is partnering with our client, a mission‑driven organization, to identify a Part‑Time HR Administrative Assistant. This team operates in a collaborative, fast‑moving environment and is seeking someone who can provide reliable day‑to‑day support across HR operations.
Job Description:
This is a hands‑on HR support role responsible for keeping daily operations running efficiently. The position will assist with recruiting coordination, employee records management, onboarding and offboarding activities, and a variety of administrative and project‑based tasks. The ideal candidate is highly organized, adaptable, and eager to contribute wherever needed.
Key Responsibilities
Recruiting Support
Coordinate and schedule candidate interviews across teams
Track and maintain recruiting‑related expenses and invoices
Provide general support for talent acquisition efforts
Onboarding & Offboarding
Prepare and maintain new hire documentation in both digital and physical systems
Assist with coordinating exit processes and scheduling exit meetings
Ensure employee records are accurate and up to date
HR Operations & Administrative Support
Provide day‑to‑day support to the HR team on ongoing initiatives and special projects
Manage incoming calls and route inquiries appropriately
Maintain office supplies and coordinate orders as needed
Organize HR file storage systems and ensure documentation is properly maintained
Support planning and execution of internal events such as trainings, meetings, and employee programs
Take meeting notes and help track follow‑ups and action items
Process vendor invoices and review for accuracy, including benefits‑related billing
Assist with reporting on a recurring basis (daily, monthly, quarterly)
Reconcile departmental expenses and resolve discrepancies
Support general office logistics including mail distribution and special orders
Qualifications
2+ years of administrative experience, ideally supporting HR or a similar function
Experience with scheduling, event coordination, and office support
Familiarity with HR systems such as ADP and applicant tracking systems (ATS), Greenhouse preferred
Proficiency with Microsoft Office tools, including OneDrive and SharePoint
Strong attention to detail with the ability to manage data, reporting, and billing tasks accurately
Ability to coordinate logistics for meetings, events, and special projects
Highly organized with the ability to manage files, supplies, and administrative processes
Comfortable working in a fast‑paced environment with shifting priorities
Associate’s degree required
Additional Details
Start Date: Early May
Interview Process: Single panel interview (virtual or onsite)
Team Size: Small, collaborative HR team
Opportunity for conversion based on performance and business needs
Hourly schedule may have some flexibility based on availability
Perks
Opportunity to support a collaborative and mission‑driven team
Exposure to a wide range of HR functions and projects
Flexible part‑time schedule
Potential for long‑term opportunity
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.
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HR Administrative Assistant (Part-Time)
Industry:
Nonprofit / Association
Location:
Washington, DC
Assignment Type:
Contract-to-hire (through September 30, with potential for extension or conversion)
Pay:
$25–28/hr (depending on experience)
Benefits:
This position is eligible for medical, dental, vision, and 401(k).
Work Schedule:
Part-time, 20–24 hours per week. Tuesday–Thursday, 9:30 AM – 5:30 PM. Hybrid schedule with two onsite days and one remote day.
About Our Client:
Addison Group is partnering with our client, a mission‑driven organization, to identify a Part‑Time HR Administrative Assistant. This team operates in a collaborative, fast‑moving environment and is seeking someone who can provide reliable day‑to‑day support across HR operations.
Job Description:
This is a hands‑on HR support role responsible for keeping daily operations running efficiently. The position will assist with recruiting coordination, employee records management, onboarding and offboarding activities, and a variety of administrative and project‑based tasks. The ideal candidate is highly organized, adaptable, and eager to contribute wherever needed.
Key Responsibilities
Recruiting Support
Coordinate and schedule candidate interviews across teams
Track and maintain recruiting‑related expenses and invoices
Provide general support for talent acquisition efforts
Onboarding & Offboarding
Prepare and maintain new hire documentation in both digital and physical systems
Assist with coordinating exit processes and scheduling exit meetings
Ensure employee records are accurate and up to date
HR Operations & Administrative Support
Provide day‑to‑day support to the HR team on ongoing initiatives and special projects
Manage incoming calls and route inquiries appropriately
Maintain office supplies and coordinate orders as needed
Organize HR file storage systems and ensure documentation is properly maintained
Support planning and execution of internal events such as trainings, meetings, and employee programs
Take meeting notes and help track follow‑ups and action items
Process vendor invoices and review for accuracy, including benefits‑related billing
Assist with reporting on a recurring basis (daily, monthly, quarterly)
Reconcile departmental expenses and resolve discrepancies
Support general office logistics including mail distribution and special orders
Qualifications
2+ years of administrative experience, ideally supporting HR or a similar function
Experience with scheduling, event coordination, and office support
Familiarity with HR systems such as ADP and applicant tracking systems (ATS), Greenhouse preferred
Proficiency with Microsoft Office tools, including OneDrive and SharePoint
Strong attention to detail with the ability to manage data, reporting, and billing tasks accurately
Ability to coordinate logistics for meetings, events, and special projects
Highly organized with the ability to manage files, supplies, and administrative processes
Comfortable working in a fast‑paced environment with shifting priorities
Associate’s degree required
Additional Details
Start Date: Early May
Interview Process: Single panel interview (virtual or onsite)
Team Size: Small, collaborative HR team
Opportunity for conversion based on performance and business needs
Hourly schedule may have some flexibility based on availability
Perks
Opportunity to support a collaborative and mission‑driven team
Exposure to a wide range of HR functions and projects
Flexible part‑time schedule
Potential for long‑term opportunity
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.
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