OneStream Developer

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

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

Nice to have

Foundational understanding of accounting principles and financial processes; Financial and management reporting; Financial reporting standards (e.g., GAAP, federal reporting frameworks); 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

Benefits

Competitive salaries; Generous Paid Time Off (PTO) package; Paid holidays aligned to the Federal calendar; Full health benefits including medical, dental, vision, and life insurance; 401(k) retirement plan; Team building events; Professional development support