> Markdown version of [/jobs/ext/2614084-onestream-senior-developer-software-engineering-associate](https://www.wearedevelopers.com/jobs/ext/2614084-onestream-senior-developer-software-engineering-associate). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# OneStream Senior Developer (Software Engineering, Associate)

- **Company:** MIL Corporation
- **Location:** Washington, DC, United States
- **Experience:** Expert
- **Salary:** $120,000.0 - $180,000.0
- **Contract:** Permanent contract
- **Skills:** Computing Platforms, C Sharp (Programming Language), Software Debugging, Microsoft SQL Server, Visual Basic .NET (Programming Language), Oracle Databases, OneStream, Single Sign-On, Software Engineering, Systems Integration, Information Technology, Api Design, User Administration
- **Published:** August 21, 2026
- **Apply:** https://jobs.localjobnetwork.com/apply/add/88103535/1

## About the Role

* 5+ years of experience with OneStream including end-to-end implementation.
 * Expertise in platform design, performance, integration and Business Rules
 * Experience with OneStream or another enterprise planning platform
 * Experience working with APIs and system integrations.
 * Excellent written and verbal communication skills, including client-facing and technical writing

Desired Qualifications

 * Federal or DoW financial management and reporting experience
 * Familiarity with financial modules including Financial Close, FP&A, and/or Operational Reporting
 * OneStream certifications
 * Familiar with C# or VB.NET, SQL Server or Oracle databases
 * Experience with ATOs and Single Sign-On

Education

BA/BS degree in Computer Science, Information Technology, Engineering, Data Science, or another relevant technical or business field, or equivalent relevant experience.

Clearance

Ability to obtain Secret Clearance

## Description

The MIL Corporation seeks an OneStream Senior Developer (Software Engineering, Associate) to support the implementation of OneStream software for federal government clients in the Washington, DC metro area., * Lead the full project lifecycle including requirements, design, development, testing, and documentation.

 * Design, configure, and implement OneStream solutions including Cube Views, Business Rules, Dashboards, Market Place Solutions, and Workflow Profiles.
 * Create user interface elements, BI Viewer dashboards, and Extensible Documents to support reporting requirements.
 * Support configuration of functional financial requirements including financial close and financial reporting
 * Support documentation and training materials.
 * Troubleshoot, debug, and resolve platform issues., * 2017, 2020 - 2025 Top Workplace Award, South Carolina (Greenville Business Magazine, Columbia Business Monthly, and Charleston Business Magazine)
 * 2025 Corporate Partnership Award, Association of Fundraising Professionals, Maryland Chapter
 * 2025 Moxie Award, GovCon Category
 * 2024 Patriot Award, Employer Support of the Guard and Reserve (ESGR), Department of Defense
 * 2022 Freedom Award, Employer Support of the Guard and Reserve (ESGR), Department of Defense
 * 2018, Above & Beyond Award, Employer Support of the Guard and Reserve (ESGR), Department of Defense

If your goal is to help the federal government deploy leading technologies, improve financial management, or defend the nation in cyberspace, MIL welcomes you. Become a part of something greater, where you, the people, make the difference.


## Related Videos

- [Why and when should we consider Stream Processing frameworks in our solutions](https://www.wearedevelopers.com/videos/1085-why-and-when-should-we-consider-stream-processing-frameworks-in-our-solutions)
- [Going Beyond Passwords: The Future of User Authentication](https://www.wearedevelopers.com/videos/714-going-beyond-passwords-the-future-of-user-authentication)
- [API Design - Getting Started](https://www.wearedevelopers.com/videos/33-api-design-getting-started)
- [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready)
- [SSO with Ethereum and Next JS](https://www.wearedevelopers.com/videos/288-sso-with-ethereum-and-next-js)
- [Rest API Antipatterns](https://www.wearedevelopers.com/videos/100208-rest-api-antipatterns)

## Related Articles

- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)
- [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)
- [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk)
- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)
- [Why Attend a Developer Event in 2026?](https://www.wearedevelopers.com/magazine/688-why-attend-a-developer-event-in-2026)