About this role.
MANTECH International Corporation is seeking a OneStream Consultant/Application Developer for a fully remote role. The position involves configuring OneStream artifacts, designing user interfaces, managing data integration, and ensuring technical quality control. Candidates need a Bachelor's degree, 5+ years of experience, and 3+ years of dedicated OneStream implementation experience. Preferred qualifications include OneStream certifications and experience with federal financial processes. US citizenship and ability to obtain a security clearance are required.
Role DNA
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Job Complexity
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3/5Autonomy Level
4/5Communication Load
3/5Salary analysis
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Core skills
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Cover letter sample
Dear Hiring Manager,
I am writing to express my strong interest in the OneStream Consultant position at MANTECH International Corporation. With over 5 years of experience in financial systems implementation and 3+ years dedicated to OneStream, I am confident in my ability to deliver robust solutions for your clients.
My expertise includes configuring complex OneStream artifacts, developing intuitive UI/UX, and managing data integration with SQL. I have a proven track record of leading technical quality control and mentoring junior developers.
I am particularly drawn to MANTECH's mission of supporting national security through technology. My ability to obtain a security clearance and my experience with federal financial processes make me a strong fit for this role.
I look forward to the opportunity to contribute to your team and drive innovation in OneStream solutions.
Sincerely,
[Your Name]
Sample interview questions
I have extensive experience with OneStream Extensible Dimensionality (XD) to model complex business structures. For example, in a recent project, I used XD to create custom dimensions for cost centers and projects, enabling flexible reporting and data analysis. I configured member formulas and confirmation rules to ensure data integrity.
I first review the business rule logic and check for syntax errors. Then I use OneStream's diagnostic tools to trace the rule execution and examine intermediate values. I also check data sources and mapping to ensure input data is correct. If needed, I add temporary logging to isolate the issue.
I integrated OneStream with an ERP system using custom data connectors. The main challenge was handling data transformations and ensuring consistency. I designed transformation rules to map fields and used SQL to validate data. I also set up error handling to log and resolve mismatches.
I focus on user-centered design by understanding their workflow and pain points. I use dashboards with clear navigation, advanced formatting for visual cues, and parameters for customization. I also gather feedback during UAT to refine the interface.
I have worked on projects involving the PPBE process, which requires detailed budgeting and planning. OneStream can be configured to support multi-year planning, scenario analysis, and compliance reporting. I ensure the solution aligns with federal regulations and provides audit trails.
General information
Description & Requirements
MANTECH seeks a motivated, career and customer-oriented a OneStream Consultant / Application Developer to join our team. This is a 100% Remote opportunity.
Responsibilities include but are not limited to:
- Core Application Development: Independently configure and build complex OneStream artifacts including Cubes, Workflows, Member Formulas, Confirmation Rules, and complex Extensible Dimensionality models.
- UI/UX Design: Build robust and intuitive user interfaces, developing dashboards, advanced formatting string elements, and parameters to ensure seamless end-user navigation.
- Data Integration & Quality: Design, build, and maintain data connectors and transformation rules. Help manage Relational Table Storage structures and interface mappings for incoming data streams.
- Technical Quality Control: Author and execute test scripts to validate application updates. Assist in identifying and fixing metadata anomalies and rules syntax errors before code moves to production.
- Peer Support: Assist lower-level developers or incoming team members by offering platform guidance, participating in code reviews, and sharing best practices
Minimum Qualifications:
- Bachelor’s degree in Finance, Accounting, Management Information Systems, Computer Science, or a related field.
- 5+ years of relevant experience in software development or financial systems implementation
- 3+ years of dedicated OneStream implementation experience.
- 1+ years of OneStream XF implementation, configuration, and optimization experience.
- Proven proficiency working inside OneStream frameworks, encompassing Extensible Dimensionality, Data Management Jobs, Business Rules, and Custom Relational Tables.
- Database & Querying: Strong hands-on SQL experience, with the capability to evaluate execution plans, construct relational table queries, and interpret database layer indexing structures.
- Scripting: Foundational understanding of VB.Net or C# scripting within the OneStream business rules environment.
Preferred Qualifications:
- Completion of the OneStream Essentials Curriculum.
- Possession of the OneStream Certified Associate (OCA) – Implementation Foundations certification.
- Possession of a CompTIA Security+ certification.
- Experience with the federal Planning, Programming, Budgeting, and Execution (PPBE) process or financial management within the government sector.
- Demonstrated capability to troubleshoot complex configuration errors independently, parsing server logs and diagnostic traces to resolve system errors.
Security Clearance Requirements:
- US citizenship with the ability to obtain up to a secret level clearance.
Physical Requirements:
• Must be able to remain in a stationary position 50% of the time.
• Constantly operates a computer and other office productivity machinery.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.
Annual salary information is not provided for this position. Explore salary ranges for similar roles in our Salary Directory ›
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