Billing Analyst

Position Title: Billing Analyst

Location: Vienna, VA — Hybrid, three days per week on-site

Assignment Type: Temp-to-Permanent

Compensation: $40.00 – $50.00 per hour

Work Schedule: Monday–Friday, 9:00 AM–5:00 PM

Benefits: This position is eligible for Medical, Dental, Vision, and 401(k).

Addison Group is seeking an experienced Billing Analyst for an established organization in Vienna, VA. This position will support a high-volume government contract billing environment and will be responsible for preparing accurate and timely invoices across multiple contract types.

The ideal candidate will have hands‑on Department of Defense government contract billing experience, strong Deltek Costpoint knowledge, and experience working with Time & Materials, Cost Plus Fixed Fee, and Firm Fixed Price contracts. This is a detail‑oriented, deadline‑driven position requiring strong organizational skills and the ability to independently manage a portfolio of complex billings.

• Prepare and process high-volume government contract billings accurately and within established deadlines.
• Manage approximately 30–40 billings per month across multiple contracts and customers.
• Prepare invoices for multiple government contract types, including Time & Materials, Cost Plus Fixed Fee, and Firm Fixed Price arrangements.
• Utilize Deltek Costpoint for billing, accounts receivable, and related accounting activities.
• Review contract terms, funding information, billing requirements, and supporting documentation prior to invoice submission.
• Ensure invoices comply with applicable contract requirements and established accounting procedures.
• Maintain accurate billing schedules, records, and supporting documentation.
• Monitor accounts receivable activity associated with assigned contracts.
• Research and resolve billing discrepancies, rejected invoices, and other invoicing issues.
• Partner with Accounting, Finance, Contracts, and other internal teams to resolve billing‑related matters.
• Review project and contract data for accuracy prior to billing.
• Support cost accounting and financial reporting activities as needed.
• Prepare reconciliations and analyses related to billing and accounts receivable.
• Maintain complete audit trails and documentation supporting invoicing activity.
• Assist with government contracting and Department of Defense audit requests.
• Respond to requests for billing documentation and financial support during internal and external audits.
• Ensure billing activities are performed in accordance with applicable government contracting requirements.
• Manage multiple contracts, priorities, and deadlines simultaneously.
• Identify billing discrepancies or process issues and assist with timely resolution.
• Support month‑end accounting and reporting activities related to billing and accounts receivable.
• Work closely with accounting leadership on special projects and process‑improvement initiatives.

• At least three years of relevant billing, accounting, or government contracting experience.
• Department of Defense government contract billing experience required.
• Hands‑on Deltek Costpoint experience required.
• Experience billing Time & Materials contracts required.
• Experience billing Cost Plus Fixed Fee contracts required.
• Experience billing Firm Fixed Price contracts required.
• Strong understanding of government contract billing requirements.
• Accounts receivable experience required.
• Experience supporting government contracting audits and related documentation requirements.
• Strong accounting and financial reporting background.
• Cost accounting experience preferred.
• Experience managing a high volume of invoices and competing billing deadlines.
• Strong understanding of contract terms and their impact on invoicing.
• Excellent attention to…