OneStream Consultant

General information Requisition # R68221 Locations USA-Remote Work Posting Date 05/30/2026 Remote Type Fully Remote Time Type Full time Description & Requirements Elevate your career with MANTECH International Corporation! Join a dynamic team dedicated to national security through cutting-edge technology. 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 a OneStream Consultant / Application Developer to join our team. This is a 100% Remote opportunity. Responsibilities include but are not limited to: Core Application Development: Independently configure and build complex OneStream artifacts including Cubes, Workflows, Member Formulas, Confirmation Rules, and complex Extensible Dimensionality models. UI/UX Design: Build robust and intuitive user interfaces, developing dashboards, advanced formatting string elements, and parameters to ensure seamless end-user navigation. Data Integration & Quality: Design, build, and maintain data connectors and transformation rules. Help manage Relational Table Storage structures and interface mappings for incoming data streams. Technical Quality Control: Author and execute test scripts to validate application updates. Assist in identifying and fixing metadata anomalies and rules syntax errors before code moves to production. Peer Support: Assist lower-level developers or incoming team members by offering platform guidance, participating in code reviews, and sharing best practices Minimum Qualifications: Bachelor’s degree in Finance, Accounting, Management Information Systems, Computer Science, or a related field. 5+ years of relevant experience in software development or financial systems implementation 3+ years of dedicated OneStream implementation experience. 1+ years of OneStream XF implementation, configuration, and optimization experience.