Billing Specialist - Accounting

Location: Reston, VA

Department: Corporate

Type: Full Time

Min. Experience: Experienced

Xator is growing! We are looking for an experienced Billing Specialist to add to our team! Great work environment and a chance to make a difference at Xator. 


  • Assist Project Managers and operation leads in all duties related to financial and performance; planning, tracking, and reporting.
  • Initiate, monitor and maintain proper project setup in Deltek Costpoint via completion and submission of a project setup form (PSF)
    • Form includes: project number structure, funding setup, revenue and billing formula setup, project ceilings, labor categories, billing rates, rate sequence, project workforce, etc.
  • Budgeting and financial analysis:
    • Assists with developing project cost/schedule baselines and budgets
    • Monitors project actuals and resolves issues
    • Monitors outstanding project commitments (e.g., travel, subcontracts)
    • Assists with developing monthly project financial forecasts/EACs and conducts variance analysis
    • Monitors the project’s burn rate against funding remaining
    • Initiates and routes at risk forms for projects that are required to perform at risk
    • Analyze project reports to identify and resolve issues
    • Performs monthly unbilled analysis
    • Communicates project status and findings to Project and Operations Management monthly at a minimum
  • Month End Close
    • Documents project status each month to support Corporate month-end close reviews
  • Monitor Open Billing detail to ensure timecard & expense errors are identified and corrections are processed in timely manner
  • Project A/R and A/P:
    • Ensure subcontract/vendor payments are processed and coded correctly and in timely fashion
    • Provide customer specific invoice backup
    • Review and approve draft invoices prior to submission to customer
    • Monitor billing and payment status of customer invoices
    • Perform monthly accrual calculations
    • Assists PM with invoice collection
  • Track contractual obligations and deliverables
  • Contracts / Pricing:
    • Assist with review of contract, subcontracts, and agreements to ensure project meets financial and reporting requirements
    • Assistance with pricing and historical data collection


  • Ability to work independently, self-motivated, proactive
  • Track record of delivering well-organized and accurate billing work
  • Strong written and verbal communication skills
  • Proven ability to work well with accounting, contracts, and project personnel to accomplish tasks
  • MS Excel Proficiency (Vloopkup / SUMIF formulas, pivot tables, etc.)
  • Experience with online invoicing systems such as WAWF/iRAPT, IPP, MPO, HHMSAKnowledge of FAR/DAR/JTR/GSA 
  • Exceptional attention to detail and adherence to project deadlines
  • Experience working in a fast-paced, team environment



  • 3+ years Experience providing billing and project accounting support for services contracts for Govt. customers
  • 2+ years Deltek CostPoint Project Module Proficiency


  • Bachelor’s degree in accounting, business, finance or other business-related field
  • 1+ years Supervisory and Training experience
  • Cognos CER experience 
  • Unanet Time & Expense 


Equal Opportunity Statement
Xator Corporation provides equal opportunity to all applicants for employment as required by and/or consistent with applicable country law and company policy. Consistent with the foregoing, Xator Corporation provides qualified applicants consideration for employment without regard to race, color, religion, sex, national origin, age, disability, veterans’ status, citizenship, sexual orientation, gender identity or any other status(s) protected by law. In the United States, Xator Corporation ensures nondiscrimination in all programs and activities in accordance with Title VI of the Civil Rights Act of 1964.

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