Job Description

The Sr. Accounting Billing Specialist is responsible for accurately processing and reviewing billing transactions, executing invoices, and ensuring contract‑based billing accuracy within the accounting framework. This role partners closely with internal departments to resolve billing inquiries and support operational and financial reporting needs. The position also supports the Billing Team Lead and accounting leadership through involvement in system enhancements, audit support, and cross‑functional initiatives impacting billing and accounting operations.

Duties & Responsibilities:

• Prepare and process daily, monthly, quarterly, and annual invoices.
• Review and audit invoices prior to client release to ensure accuracy.
• Interpret client contracts and fee schedules for correct billing setup.
• Set up new clients in the accounting system for billing.
• Process termination cases within established SLAs.
• Respond promptly to billing inquiries and requests via email, instant message, and Salesforce.
• Assist Account Managers with billing questions, corrections, and adjustments.
• Support annual audits (financial statements, regulatory reporting, SOC‑1).
• Assist with billing integrations during acquisitions to ensure smooth transitions.
• Contribute to developing and improving departmental policies, procedures, and workflows.
• Support the Billing Team Lead and accounting leadership with special projects and ad‑hoc analyses.
• Participate in the daily workflow and operations of the billing department.
• Perform other duties as assigned within the nature and level of work.

Qualifications

Education & Experience

• Bachelor’s Degree in Accounting, Finance, or related field
• A minimum of five (5) years of experience in billing, accounting, or related financial operations

Skills & Abilities

• Advanced proficiency in Microsoft Excel (pivot tables, advanced formulas)
• Strong analytical and problem‑solving skills
• Excellent written and verbal communication skills
• Strong organizational, planning, and time‑management capabilities
• Ability to collaborate effectively at all levels within the organization
• Experience with Sage/Intacct preferred

Other Requirements

• Standard schedule is Monday through Friday from 8:00 a.m. to 5:00 p.m. Central Time. Additional hours may be required during peak periods
• Employees within a 90-minute radius of Oak Brook, Illinois must work onsite at least four days per month between 10:00 a.m. and 2:00 p.m. Central Time, including one Monday or Friday each month
• Occasional travel up to five percent may be required, including the ability to use personal transportation for trainings or meetings