We are looking for an Accounts Receivable Specialist to support billing and receivables operations for customers in the U.S. and international markets in Colorado Springs, Colorado. This Long-term Contract position will focus on accurate invoicing, payment posting, account reconciliation, and collections coordination while helping maintain strong financial controls. The role also partners with accounting and finance teams to support close activities, contract compliance, and audit-ready documentation.<br><br>Responsibilities:<br>• Create and issue customer invoices on schedule for recurring charges, milestone-based work, and special billing requests.<br>• Review contracts, purchase orders, and related documents to ensure each invoice aligns with agreed commercial terms and requirements.<br>• Record and apply incoming payments from multiple sources, including ACH, wire transfers, and checks, while keeping receivable balances current.<br>• Reconcile accounts receivable activity with the general ledger during monthly close cycles and investigate variances as needed.<br>• Monitor aging reports, follow up on outstanding balances, and assist with resolving payment delays and billing questions.<br>• Support month-end and year-end accounting tasks by preparing revenue-related schedules, cutoff support, and other close documentation.<br>• Assemble backup materials for internal and external audits involving invoices, receivables, and supporting accounting records.<br>• Maintain customer billing profiles, payment terms, and remittance information with a high degree of accuracy.<br>• Identify opportunities to improve billing workflows, strengthen accuracy, and support healthy cash flow.<br>• Assist with accounting system updates or enhancement efforts that affect receivables and billing processes.