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OneStream Developer at CSCI Consulting · Katori

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 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.