Role Overview
Orbis is hiring a Senior Accountant & Billing Specialist. This is a full-time role in McLean. posted today. applications are still in the early window, before most candidates have applied. Full responsibilities, required qualifications, and the apply link are listed in the description below.
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Job description
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.
About Orbis
Orbis
orbisusa.com
Frequently Asked Questions
How do I apply for the Senior Accountant & Billing Specialist position at Orbis?
Use the Apply button above to submit your application directly to Orbis. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Where is the Senior Accountant & Billing Specialist position at Orbis located?
This position is based in McLean. Orbis has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.
What does a Senior Accountant & Billing Specialist at Orbis earn?
Orbis has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Senior Accountant & Billing Specialist role at Orbis posted?
This role was posted on July 23, 2026 (today). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
How much experience does the Senior Accountant & Billing Specialist role at Orbis require?
This is a senior-level position. Most senior roles call for 5+ years of directly relevant experience. Orbis lists their specific requirements in the description below, so review the must-have qualifications closely before applying.
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