**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.