OneStream Developer

About this role

Job Description CSCI Consulting is looking for a OneStream Developer to support its Department of War (DoW / DoD) client. This role will support the design, development, and implementation of a OneStream financial management solution to enhance reporting, consolidation, and data integration capabilities. The ideal candidate combines technical expertise and functional financial knowledge to deliver scalable, audit-ready solutions in a federal environment.

Responsibilities Support the design and build of a OneStream platform solution under the guidance of a Technical Lead Develop and configure: Data integrations Cubes and dimension metadata Workflows and dashboards Business rules and financial calculations Participate in client discovery sessions to gather and refine business requirements Demonstrate system functionality and capabilities to stakeholders Contribute to: System testing documentation and execution User acceptance testing (UAT) End-user training materials and delivery Collaborate with functional and technical teams to ensure alignment with financial reporting requirements Minimum Requirements Active Secret Security Clearance Bachelor’s degree in a related field Hands-on experience or foundational knowledge in: OneStream (or similar EPM/CPM platform) Microsoft VB.NET (for business rule development) SQL (data querying and integration) IBM Cognos TM1 Oracle Hyperion Financial Management (HFM) Experience supporting financial systems implementations or enhancements Creativity and adaptability in problem-solving Ability to work with clients to understand their needs Strong organizational and time-management skills Excellent written and verbal communication skills Professional presence Preferred Skills Foundational understanding of: Accounting principles and financial processes Financial and management reporting Financial reporting standards (e.g., GAAP, federal reporting frameworks) Experience with: OneStream Financial Consolidation processes Budgeting, forecasting, or financial planning systems Exposure to federal financial environments or ERP systems (e.g., GFEBS, SAP, Oracle) Ability to work in a team environment, as well as independently Strong customer and vendor relationship skills Demonstrated ability to comply with data standards and policies Motivation to learn new technologies and methodologies that demonstrate value Past experience working with a Federal agency Department of War experience is a plus! About CSCI CSCI is an award-winning information technology and financial management consulting firm founded on one simple philosophy: “Do what is right, always.” We apply this philosophy across all elements of our growing business, from delivering world-class s ervices for customers to providing an environment where associates thrive both personally and professionally.