Senior Billing Specialist

About the Company

Our client, a non-profit headquartered in Reston, VA, seeks to hire a Billing Specialist III.

About the Role

The Finance & Operations division is expanding its operational billing capacity to support mulitple revenue streams (subscription, transaction-based, and multi-million-dollar contracts). Reporting directly to the Finance & Operations Manager, the Specialist III, Billing will manage day-to-day high-volume billing operations (~600–700 invoices/month), reconcile transactional variances, investigate complex discrepancies, and dedicate 10–15% of their focus toward upcoming billing automation transformation projects. This role offers a distinct growth trajectory into finance operational leadership.

Responsibilities

• Manage and execute full-cycle complex billing across 21 multi-tiered revenue streams totaling $100M in organizational revenue.
• Directly process and monitor approximately @8,000 invoices annually (~600–700 per month), resolving non-routine contractual billing issues.
• Perform transactional account reconciliations, research discrepancies, and correct billing anomalies in close partnership with Accounting, Sales, and Operations.
• Analyze customer agreements, terms, and billing schedules to enforce financial controls and billing accuracy.
• Support the Senior Financial Analyst and General Ledger team with month-end close reporting, audit documentation, and revenue validation.
• Dedicate 10–15% of capacity to system enhancements, billing automation workflows, and process improvement initiatives (including Sage Intacct integration/upgrades).

Qualifications

• Education: Bachelor's degree in Accounting, Finance, Business Administration, or a related field (a documented combination of relevant professional experience, education, and/or military service will be considered).
• Experience: 4+ years of progressively responsible, direct professional experience in billing, accounts receivable, revenue operations, or related corporate finance.
• Variance & Reconciliation: Demonstrated background executing complex billing structures, resolving non-routine billing discrepancies, and conducting account reconciliations.
• Technical Skills: Intermediate to advanced Microsoft Excel proficiency (VLOOKUP/XLOOKUP, Pivot Tables, data normalization, variance analysis).
• Systems: Hands-on experience working in an established ERP, accounting, or billing platform.
• Work Location: Must reside within a commutable distance to Herndon, VA, or currently reside in one of the approved hiring states: CO, FL, GA, IL, MD, NJ, NY, NC, OH, PA, TN, TX, VA, WV, or Washington, D.C.
• On-Site Expectation: Ability to attend periodic meetings at the Herndon, VA headquarters (typically once per month or as business needs dictate).
• Authorization: Authorized to work in the United States on a full-time basis without visa sponsorship.

Required Skills

• Intermediate to advanced Microsoft Excel proficiency (VLOOKUP/XLOOKUP, Pivot Tables, data normalization, variance analysis).
• Hands-on experience working in an established ERP, accounting, or billing platform.
• High Volume Billing experience required.

Preferred Skills

• Direct experience with Sage Intacct.
• Exposure to subscription-based, recurring billing, or multi-revenue stream environments.
• Experience supporting billing automation, finance ERP implementations, or formal audit compliance.
• Active Certified Public Accountant (CPA) license or CPA candidate.

Pay range and compensation package

• Comprehensive Health: Medical, dental, vision, plus HSA with employer contributions and voluntary health plans.
• Retirement: Exceptional 401(k) retirement plan with generous employer matching.
• Paid Time Off: Accrue up to 13 days of vacation, 10 days of sick leave (up to 32 hours usable as personal time), 15 paid holidays (including full company year-end shutdown between Christmas and New Year's), and up to 3 weeks paid parental leave.
• Professional & Personal Growth: Tuition/Education Assistance Program, enterprise LinkedIn Learning access, plus 501(c)(3) PSLF loan forgiveness eligibility.
• Everyday Perks: Annual reimbursement for Costco/AAA memberships, mental health resources (8 free sessions), and wellness incentives.