Accounts Receivable/Billing Specialist

Abacus Technology Corp.

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Chevy Chase, MD

Job Description

As posted by the hiring company

Job Overview:


Abacus Technology is seeking an Accounts Receivable Specialist to provide billing support for Federal government contracts.  This is a full-time position.


  • Prepare invoices on approximately 30-40 Fixed Price, Time and Materials or Cost Plus contracts/delivery orders monthly:
    • Review the contract and all associated mods and fact sheets for billing requirements.
    • Create invoices in Jamis Accounting System, review all cost entries charged to ensure they are valid contract costs.  If errors are found, notify proper departments for corrections.
    • Ensure all invoices and supporting detail are prepared in accordance with the contract. 
    • Send invoices to client in accordance with contract within deadlines as requested by client.
    • Work closely with Accounts Payable/Payroll/Contracts Department and/or Project/Cost Center Managers on all billing issues.
    • Prepare Monthly or Quarterly Financial Management Expenditure Reports. 
  • Process subcontractor/consultant/staffing agency invoices:
    • Prepare invoice approval forms, ensuring costs are charged to the correct project and contract line item per the terms of the agreement.
    • Ensure the total amount of hours/costs charged do not exceed the total funding on their agreement.
    • Maintain communications with Vendor, Project Managers and Contracts Administration if charges exceed the funded values.
    • Respond to Vendor RFI’s regarding payment inquiries.
  • Enter daily cash in the AR cash receipts module.  Update the daily cash and aging report.
  • Begin collection efforts as needed when invoices have not been paid within 45 days of issue.  Follow up as needed.


2+ years experience in billing or accounts receivable.  Experience with billing for government contracts strongly preferred.  Degree in a related field a plus.  Knowledge of WAWF/PIEE website helpful.  Must be detail-oriented, able to communicate professionally, and able to interact with all levels of an organization.  Must be a US citizen.


Applicants selected will be subject to any Executive Orders regarding vaccination mandates for Federal government contractors.