OneStream Consultant

MANTECH

4h•$75,800 - $127,000•Remote

About The Position

MANTECH International Corporation is seeking a motivated, career and customer-oriented OneStream Consultant to join their team for a remote position. The company is re-engineering the financial backbone of the U.S. Government, providing highly configured, mission-critical Planning, Programming, Budgeting, and Execution (PPBE) and Financial Close and Reporting solutions leveraging the OneStream platform. As a OneStream Consultant, you will work alongside Senior Architects and Lead Consultants to build and configure bespoke OneStream solutions. This is a "builder" role for a technically minded professional who wants to master the OneStream platform. You will move beyond standard implementation tasks to develop specific components—such as business rules, security models, and data workflows—that enable data-driven decision-making for federal agencies.

Requirements

Bachelor’s degree in computer science, Systems Engineering, Information Systems, or related field.
2+ year of relevant experience in software development, financial systems implementation
1+ year of OneStream configuration
Familiarity with object-oriented programming (C# or VB.NET).
Experience with SQL (Oracle or SQL Server) for data manipulation.
Understanding of multidimensional data (OLAP) or financial reporting concepts.
US Citizenship with the ability to obtain a Public Trust clearance or higher.

Nice To Haves

Experience with the federal Planning, Programming, Budgeting, and Execution (PPBE) process or financial management within the government sector.
OneStream Certified Associate (OCA) or completion of OneStream "First Project Readiness" / "Application Build" training.
Certified Government Financial Manager (CGFM) or Certified Defense Financial Manager (CDFM).
Experience assisting with ATOs, Single Sign-On (SSO), or working in a professional services/consulting firm.
CompTIA Security+ certification.

Responsibilities

Configure and develop OneStream artifacts including Cube Views, Dashboards, MarketPlace Solutions, and Workflow Profiles. create reports using BI Viewer and Extensible Documents.
Assist in designing and maintaining Security Groups and Roles, assigning access rights to dimensions, workflows, and users to ensure data integrity.
Apply knowledge of VB.NET and SQL to write efficient member formulas and business rules (Finance, Parser, Connector) that enhance system functionality.
Design and build Data Management sequences, transformation rules, and data load artifacts; validate data accuracy using Quick Views and XFGET/XFSET.
Utilize OneStream error logs and trace analysis to troubleshoot and resolve development issues arising from unit testing and UAT.
Proactively update project documentation, including technical playbooks, operation guides, and meeting minutes to ensure knowledge transfer.
Consulting Mindset: Listen carefully to what others need (client and team members) and be willing and ready to respond to those needs to the best of your ability; look beyond the “easy” answer working collaboratively to bring the best Mantech has to offer to exceed others’ expectations.