Senior Accounts Receivable Specialist

Description Tyto Athene is seeking a highly motivated and detail-oriented Senior Accounts Receivable Specialist to join our Accounting team. This position is responsible for managing the end-to-end billing and invoicing process for a portfolio of government contracts. The ideal candidate will have strong government contracting billing experience, a solid understanding of contract types and billing requirements, and the ability to work collaboratively across finance and operations teams. Key Responsibilities Manage the full billing lifecycle, including project setup, invoice preparation, review, approval, submission, and collection follow-up. Prepare, reconcile, and distribute monthly invoices accurately and timely. Generate invoices for Firm Fixed Price (FFP), Time & Materials (T&M), Cost Plus, and other government contract types. Review contract terms and funding documents to ensure billing compliance and proper invoicing. Ensure all Other Direct Costs (ODCs) are properly billed and reconciled to supporting expenses. Review and monitor unbilled balances to ensure revenue recognition and billing activity are properly aligned. Partner with Program Managers, Contracts, and Operations teams to resolve billing issues and ensure costs are charged appropriately. Research, analyze, and resolve billing discrepancies, customer inquiries, and documentation issues. Submit invoices through government and customer billing portals, including systems such as WAWF and IPP. Monitor accounts receivable aging and proactively follow up with customers to ensure timely collections and cash receipts. Assist with month-end close activities, reconciliations, audits, and reporting requirements. Qualifications 7+ years of Accounts Receivable and/or Government Contract Billing experience. Experience with Deltek Costpoint. Experience billing government contracts, including FFP, T&M, and Cost Plus contract types. Working knowledge of government billing requirements and invoicing systems such as WAWF and IPP. Understanding of accounting principles, revenue recognition, and contract billing compliance. Strong analytical, organizational, and problem-solving skills with exceptional attention to detail. Ability to manage multiple priorities and meet deadlines in a fast-paced environment. Strong interpersonal, written, and verbal communication skills. Ability to work independently, exercise sound judgment, and escalate issues when appropriate. High level of professionalism and discretion when handling confidential information. Advanced proficiency in Microsoft Excel. Preferred Experience reviewing contract documents, modifications, and project setup requirements. Experience supporting DCAA-compliant government contracting environments. Familiarity with project accounting and contract funding management. About Tyto Athene Compensation: Compensation is unique to each candidate and relative to the skills and experience they bring to the position and this is based upon multiple factors such as education, experience, certifications, and other requirements. Benefits: Highlights of our benefits include Health/Dental/Vision, 401(k) match, Paid Time Off, STD/LTD/Life Insurance, Referral Bonuses, professional development reimbursement, and parental leave. Tyto Athene is a trusted leader in IT services and solutions, delivering mission-focused digital transformation that drives measurable success. Our expertise spans four core technology domains—Network Modernization, Hybrid Cloud, Cybersecurity, and Enterprise IT—empowering our clients with cutting-edge solutions tailored to their evolving needs. With over 50 years of experience, Tyto Athene proudly support Defense, Intelligence, Space, National Security, Civilian, Health, and Public Safety clients across the United States and worldwide. At Tyto Athene, we believe that success starts with our people. We foster a collaborative, innovative, and mission-driven environment where every team member plays a critical role in shaping the future of technology. Are you ready to join #TeamTyto? Tyto Athene, LLC is an Equal Opportunity Employer; all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, [sexual orientation, gender identity,] national origin, disability, status as a protected veteran, or any characteristic protected by applicable law.