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Billing Specialist

Orbis Operations
United States, D.C., Washington
Mar 09, 2026

Orbis is seeking a motivated and detail-oriented Billing Specialist to support our growing team in the Finance Department.

MUST have DELTEK/CostPoint experience & be local to the Washington, DC Metro Area for hybrid position.

Duties/Responsibilities



  • Support Project Finance Manager

    • Monthly billings
    • Recording and reconciling project team managed billings in the accounting system, reconciling, and resolving variances under the leadership of the Project Finance Manager.
    • Monthly reporting packages for Project Managers
    • Monthly Timecard reviews for project charging accuracy
    • Sets up and modifies projects and employees in the accounting system based on contract documentation and information provided by the Project Finance Manager


  • Supports the close process as needed to ensure close timeline is met. Duties may include but are not limited to

    • Depreciation and amortization entries
    • Miscellaneous accruals
    • Monthly bank, debt, balance sheet, revenue, and other account reconciliations and adjustments
    • Other monthly close and general accounting duties as assigned


  • Support of annual financial audits, diligence, and other financial evidence collection requests

    • Maintains accessible and audit ready documentation for responsible areas.
    • Gathers, reviews, submissions, and can explain documentation to external auditors.


  • Maintains strong familiarity with Orbis Policies and procedures
  • Backup for critical functions assigned to others on Accounting Team
  • Contributes to other Special Finance/Accounting initiatives as time permits


Supervisory Responsibilities



  • This position has no supervisory responsibilities


Required Skills/Abilities



  • Must be able to obtain and Maintain a Secret level clearance
  • Excellent computer skills; experience in Deltek Costpoint, Microsoft Office Suite
  • Excellent written and verbal communication skills
  • Pays strict attention to detail


Desired Skills/Abilities



  • Bachelor's degree in Accounting, Finance or a related field
  • 4 years' experience in accounting/finance, at least 2 years in government contracting


Physical Requirements



  • Prolonged periods of sitting at a desk and working on a computer.
  • Routine video conference and/or in-person meetings.
  • Ability to attend planned meetings within the Washington Metro Area region

    • Hybrid position requiring 1-2 days in office per week.




Orbis Operations is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, disability, or protected veteran status.

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