Part-Time Mailing Assistant — Reliable, Detail‑Oriented (DC)

Addison Group; Washington (District of Columbia); On-site; USD 30,000 - 33,000; Part time

Benefits offered by this job

Flexible part-time schedule

Consistent weekly hours

Short, predictable work visits

Opportunity to supplement existingPart

Job summary

Addison Group is seeking a dependable part-time Mailing Assistant for a small nonprofit in Washington, DC. The role requires visiting the DC office 1 hour per day, 2–3 days per week, with potential increases during busy mailing seasons.

You will handle incoming mail, organize materials, scan and file documents, and maintain confidential records. Ideal candidates have prior administrative or clerical experience, are proficient in Microsoft Office and OneDrive, and possess strong attention to

Qualifications

• Previous administrative, office support or clerical experience preferred.
• Proficient with Microsoft Office, OneDrive and basic spreadsheet tasks.
• Reliable, able to work independently in an office setting.
• Strong attention to detail and organization.
• Able to follow established procedures consistently.
• Professional and trustworthy when handling mail and correspondence.

Responsibilities

• Retrieve incoming mail on scheduled days.
• Open and organize mail while retaining all original materials, including envelopes.
• Record incoming mail in a daily tracking log.
• Scan mail and supporting documents into organized digital files.
• Maintain accurate electronic records using Microsoft OneDrive and Excel.
• Prepare processed mail for shipment to remote employees.
• Package and send outgoing materials through the appropriate shipping service.
• Follow established procedures to ensure mail is handled accurately and securely.
• Keep the workspace organized and maintain confidentiality when handling incoming correspondence.

Skills

Administrative experience

Office support

Mailroom experience

Detail-oriented

Independent worker

Tools

Microsoft Office

OneDrive

Excel

Job description

Addison Group is seeking a dependable part-time Mailing Assistant for a small nonprofit in Washington, DC. The role requires visiting the DC office 1 hour per day, 2–3 days per week, with potential increases during busy mailing seasons.

You will handle incoming mail, organize materials, scan and file documents, and maintain confidential records. Ideal candidates have prior administrative or clerical experience, are proficient in Microsoft Office and OneDrive, and possess strong attention to