MANTECH seeks a motivated, career and customer-oriented **Senior OneStream Architect** to join our team. This is a **remote** position.

At MANTECH we are re-engineering the financial backbone of the U.S. Government. We provide highly configured, mission-critical Planning, Programming, Budgeting, and Execution (PPBE) and Financial Close and Reporting solutions leveraging the OneStream platform.

As a Senior OneStream Architect, you will serve as a technical lead and subject matter expert for our most complex implementations. You will work as the Lead Architect—designing entire applications, complete solutions, translating functional requirements into technical blueprints, and guiding a team of Lead Consultants and Associate Consultants to deliver high-performance solutions. You will own the technical quality of the application, ensuring performant business rules, streamlined security, and scalable data models.

**Responsibilities include but are not limited...