OneStream Developer

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!