General information Requisition # R67534 Locations USA-Remote Work Posting Date 05/06/2026 Security Clearance Required None Remote Type Fully Remote Time Type Full time Description &.
Since 1968, MANTECH has led in delivering advanced solutions to government intelligence, the Department of Defense, and Federal Civilian sectors.
Dive into innovation in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development.
Your journey to impactful work and rapid growth starts now—be extraordinary at MANTECH! 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.
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.