AR Accountant

Overview

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.

• 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.

• 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.

Determining compensation for this role (and others) at Vaco/Highspring depends upon a wide array of factors including but not limited to the individual's skill sets, experience and training, licensure and certifications, office location and other geographic considerations, as well as other business and organizational needs. Salary ranges are disclosed where required by local law. The individual may also be eligible for discretionary bonuses, and can participate in medical, dental, and vision benefits as well as the company's 401(k) retirement plan.

Unless otherwise noted, the position is subject to change or be filled by another role. Submissions to this position may be used to build a talent pool for future opportunities. Submissions to this position are subject to the use of AI to perform preliminary candidate screenings, focused on ensuring minimum job requirements noted in the position are satisfied. Further assessment of candidates beyond this initial phase will be conducted by recruiters and hiring managers.

Vaco/Highspring does not have knowledge of the tools used by its clients in making final hiring decisions and cannot opine on their use of AI products.

Vaco by Highspring values a diverse workplace and strongly encourages women, people of color, LGBTQ+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply.

Vaco by Highspring is an Equal Opportunity Employer and does not discriminate against any employee or applicant for employment because of race, color, sex, religion or creed, national origin, citizenship, age, disability, veteran status, or any other protected characteristics as required by federal, state or local law.

Vaco by Highspring and its affiliates are committed to the full inclusion of all qualified individuals. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of…