AR Accountant

Our client, a rapidly growing and innovation?driven organization based in Irvine, CA, is seeking an AR Accountant to join their dynamic Accounting team. This role is ideal for someone who thrives in a fast-paced environment and enjoys working with both government and commercial contract billing. The AR Accountant will play a key role in billing, reconciliation, reporting, collections, and compliance—ensuring accuracy, organization, and exceptional communication across teams. Responsibilities Prepare, process, and submit invoices through government portals and other customer-specific methods. Maintain detailed billing schedules and forecasts to ensure timely invoicing across all contracts. Develop and manage AR aging reports; investigate, analyze, escalate, and resolve past-due accounts. Reconcile AR ledger accounts and prepare monthly financial statements and reports. Lead cash collection forecasting and assist with ad hoc billing/collections reporting. Assist with month-end close activities and reconciliations. Streamline government accounting processes for travel and expense compliance. Review project-related expenses to ensure accuracy and adherence to government accounting guidelines. Participate in government audits and maintain thorough accountability documentation. Prepare reports related to allowable and unallowable spend for internal and external stakeholders. Create and accurately code invoices in alignment with company accounting practices. Required Qualifications Bachelor’s degree in Accounting, Finance, or related field preferred. 2+ years of experience with government accounting (FAR Part 31). 6+ years of accounts receivable experience. Working knowledge of Cost Accounting Standards (CAS). Experience with Oracle Fusion or similar financial systems. Strong proficiency in Microsoft Excel (VLOOKUP, pivot tables, queries/macros). Exceptional attention to detail and high accuracy in all work. Strong communication and cross-department collaboration skills. Excellent organizational skills with ability to prioritize and meet deadlines. Must be a U.S. Person due to access requirements for export-controlled information. #J-18808-Ljbffr