OneStream Developer

About the 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