OneStream Developer

Job Description

CSCI Consulting is looking for a OneStream Developer to support the Office of the Under Secretary of War (OUSW) OARS program. 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

Bachelor’s degree in a related field

Holds a Department of War (DoW) Secret clearance

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 services for customers to providing an environment where associates thrive both personally and professionally. At CSCI, work and fun aren’t diametrically opposed!

At CSCI, our goal is to hire people with proven track records and retain them with an energizing, diverse company culture. We value each associate’s natural drive to excel, and we provide them with the freedom to do things their way. CSCI seeks the best and brightest in the industry—those who are ready to move their lives and career forward. Join us today and get excited about Mondays again!

Benefits of Working at CSCI

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 

Legal

CSCI complies with all applicable Federal, state, and local employment regulations. Please reach out to HR@csciconsulting.com with any questions. 

Equal Employment Opportunity

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. CSCI provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

If you require an accommodation, please contact CSCI Human Resources for further assistance. For questions regarding the qualifications listed above, please contact the CSCI Recruiting Team.

E-Verify

CSCI participates in E-Verify to confirm the employment eligibility of all newly hired employees. For more information, please visit www.dhs.gov/E-Verify. 

California Consumer Privacy Act (CCPA) Notice

As part of the application and recruitment process, CSCI Consulting, Inc. may collect personal information as described under the California Consumer Privacy Act (CCPA). 

This information is collected solely for employment-related purposes, including evaluating your qualifications, processing your application, and complying with legal obligations. 

By applying to this position, you acknowledge that you have read and understand the following notice regarding the collection of your personal information as a job applicant: 

Categories of Information Collected: Personal identifiers, employment history, educational information, and any other information provided in your application or as part of the interview process.

Purposes for Collecting Information: To review your application, assess your qualifications, and manage the hiring process.

Retention and Security: Information collected will be retained indefinitely and will be securely stored and handled in accordance with CCPA guidelines and CSCI Consulting, Inc. policies.

Rights of Applicants: Under CCPA, California residents have the right to request information about the personal data we collect, delete it, and request restrictions on certain uses. However, some information may be retained as required by law. 

For further information, or to exercise your rights under the CCPA, please contact CSCI’s HR team. 

Disclaimer

The above declarations are not intended to be an all-inclusive list of the duties and responsibilities of the job described, nor are they intended to be such a listing of the skills and abilities required to do the job. Rather, they are intended only to describe the general nature of the job.