Demo

Senior Accountant & Billing Specialist

Orbis
Mc Lean, VA Full Time
POSTED ON 7/29/2026
AVAILABLE BEFORE 8/27/2026
Orbis is seeking a motivated and detail-oriented Senior Accountant & Billing Specialist to support our growing team in the Finance Department.

MUST have DELTEK experience & be local to the Washington, DC Metro Area

Key Responsibilities

  • Supports the close process as needed to ensure timeline is met. Duties may include but are not limited to,
    • Depreciation and amortization entries
    • Miscellaneous accruals
    • Interest in calculation and entries
    • Bi-monthly labor, benefit and payroll postings
    • Monthly bank, debt, balance sheet, revenue, and other account reconciliations and adjustments
    • Accounts Receivable processing
    • Sets up and modifies projects and employees in the accounting system based on contract documentation and information provided by the Project Finance Manager.
    • Recording and reconciling project team managed billings in the accounting system, reconciling, and resolving variances under the leadership of the Project Finance Manager.
    • Attending to AR related queries.
  • 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 Qualifications

  • Bachelor’s degree in Accounting, Finance, Business with an emphasis in accounting, or a related field
  • Minimum of 4 years’ experience in accounting/finance, at least 3 years in government contracting
  • Excellent computer skills; experience in accounting software, Microsoft Office Suite
  • 2 years of recent experience using Costpoint/Deltek
  • Excellent written and verbal communication skills
  • Advanced knowledge of bookkeeping and accounting best practices, laws, standards, and state/national regulations
  • Pays strict attention to detail

Ability to obtain and maintain a government clearance

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.

We are 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.

Salary.com Estimation for Senior Accountant & Billing Specialist in Mc Lean, VA
$74,724 to $104,355
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