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Senior Billing Specialist

Company: SOSi
Location: Reston
Posted on: May 3, 2021

Job Description:

SOSi is currently seeking an experienced Senior Billing Specialist to join our Billing team at our operation headquarters in Reston, VA. The ideal candidate will have expereince in governemnt contracting and working in CostPoint.

  • Prepares and posts complex invoices for submissions to customers of various types of government and commercial contracts (Time & Materials, Firm-Fixed-Price, Cost-Plus-Fixed-Fee, etc.) within the Deltek Costpoint Accounting System
  • Completes monthly unbilled analysis for each project and works with program teams as needed to ensure costs are billed timely
  • Submits invoices to the customer per contractual requirements which may include submission via various payment portals such as WAWF, IPP, GSA, etc.
  • Interprets and explains invoices to program team and customers as needed
  • Monitors collection of receivables, contacts customers and resolves past due accounts
  • Maintains / updates monthly Billing Tracker sheet on a daily basis
  • Assists with completion and final indirect rate invoices in advance of closeout
  • Assists with analysis for funding deobligations in advance of final closeout
  • May assist with closeouts as needed
  • Participates in projects performed by the Billing Department
  • Identifies potential problems or areas for improvement and provides solutions
  • Assists in external and DCAA audits
  • Performs other duties as assigned by management

  • Bachelor’s degree in Accounting or Business
  • Seven to ten years of billing experience including government contracting
  • Deltek Costpoint and Cognos Reporting billing experience required
  • Understanding of different types of contracts including T&M, FP and CP
  • Prior experience with WAWF, IPP, MPO desired
  • Independent, self-starter who can multi-task effectively and work with minimal supervision
  • Excellent oral and written communication skills
  • Strong analytical and problem-solving ability
  • Excellent organizational skills and attention to detail
  • Strong understanding of Microsoft Office Suite and Adobe

  • Fluency in a foreign language is desirable, but not required.
  • Ability to obtain and maintain a U.S. government security clearance.

  • Working conditions are normal for an office environment.
  • Fast paced, deadline-oriented environment.
  • Currently working remotely due to COVID; eventually return to office is expected.


SOSi is an equal employment opportunity employer and affirmative action employer. All interested individuals will receive consideration and will not be discriminated against on the basis of race, color, religion, sex, national origin, disability, age, sexual orientation, gender identity, genetic information, or protected veteran status. SOSi takes affirmative action in support of its policy to advance diversity and inclusion of individuals who are minorities, women, protected veterans, and individuals with disabilities.

Keywords: SOSi, Reston , Senior Billing Specialist, Other , Reston, Virginia

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