One Federal Solution (OFS) is seeking an experienced and detail-oriented Accounts Payable Specialist to support a Government client in Arlington, VA. The Accounts Payable Specialist will provide financial and administrative support to the Financial Services Division, assisting management and staff with day-to-day financial activities and operations. This position will work closely with federal employees, contractors, and various divisions to support accurate and timely financial processing.
This is a full-time, on-site position located in Arlington, VA.
Key Responsibilities- Assist with financial audits, account reconciliations, and preparation of financial reports.
- Support the identification and resolution of accounting and financial discrepancies or issues.
- Prepare journal entries and perform financial data entry.
- Process payments and associated financial documentation.
- Receive, organize, and distribute invoices and financial correspondence.
- Perform mail and invoice distribution.
- Maintain accurate financial and administrative records.
- Coordinate with federal employees, contractors, and other departments regarding financial and accounts payable matters.
- Provide ad hoc administrative and financial support to management and other branches as needed.
- Ensure assigned financial activities are completed accurately and within established deadlines.
- High school diploma or equivalent required.
- Minimum of 3 years of experience performing accounts payable functions.
- Knowledge of accounting and financial management concepts.
- Proficiency with Microsoft Office Suite.
- Familiarity with Momentum-based systems.
- Strong data entry and financial documentation skills.
- Excellent time management, organization, and prioritization skills.
- Strong attention to detail and ability to maintain accuracy when processing financial information.
- Must be a U.S. Citizen.
- Must be able to successfully undergo and pass a Tier 2 background investigation.
- Must be able to work on-site in Arlington, VA, Monday through Friday.
- Previous accounts payable experience supporting a U.S. Government agency.
- Previous experience working in a federal financial management environment.
- Experience with financial reconciliations, payment processing, journal entries, and financial reporting.
Arlington, VA 22202
On-site | Full-time
Travel: 0%
One Federal Solution (OFS) is an innovative Professional Services provider with over 20 years of experience supporting Defense and Civilian agencies. OFS specializes in Business Intelligence, Acquisition and Procurement, and other Professional Services. We are dedicated to delivering innovative solutions and exceptional service to our government clients.
Skills Required
- High school diploma or equivalent
- At least 3 years of accounts payable experience
- Knowledge of accounting and financial management concepts
- Proficiency with Microsoft Office Suite
- Familiarity with Momentum-based systems
- Strong data entry and financial documentation skills
- Strong time management, organization, prioritization, and attention to detail
- U.S. citizenship
- Ability to successfully undergo and pass a Tier 2 background investigation
- Ability to work on-site in Arlington, Virginia, Monday through Friday
- Previous accounts payable experience supporting a U.S. Government agency
- Previous experience in a federal financial management environment
- Experience with financial reconciliations, payment processing, journal entries, and financial reporting
What We Do
One Federal Solution is a Service-Disabled Veteran-Owned Small Business that provides secure, scalable technology, professional services, and acquisition support to federal and commercial organizations.









