OneStream Senior Developer (Software Engineering, Associate) with Security Clearance

Summary 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. This position currently requires a hybrid schedule. Schedule is subject to change based on company/contract requirements. Responsibilities

• 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. Travel None Required Qualifications
• 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 Compensation The MIL Corporation values your contributions and offers a range of benefits to support your overall well-being. We are pleased to offer a comprehensive range of benefits to our full-time employees which include health, life, disability, and retirement plans, as well as paid time off, opportunities for professional growth and tuition assistance. Additional benefits and incentives may also apply, which will be communicated during the hiring process. For this position, the projected compensation range is $120,000 - $180,000 per year. This estimate represents the typical salary range and is just one part of MIL's complete compensation package. Final salary for this position is determined based on factors such as individual qualifications, education, experience, and contractual limitations. Learn more on the MIL Careers page. Why MIL? The MIL Corporation (MIL) is a dynamic workforce of industry professionals who deliver world-class solutions in cyber, engineering, financial management, and information technology - and we are looking for candidates like you! MIL offers opportunities for professionals at all stages of their careers, from early-career candidates to experienced industry professionals. We are known for a collaborative, people-first culture where employees are supported, valued, and encouraged to grow. This commitment to our people and our work is reflected in the industry and workplace awards MIL has received over the years.
• 2021 - 2024, Top Workplaces USA award (Energage)
• 2017 - 2025 Top Workplaces Award, Greater Washington Area (The Washington Post)
• 2018 - 2025 Certified Great Workplace, Great Place to Work®
• 2021 - 2025, Best Workplaces in Consulting & Professional Services™
• 2021 Fortune Best Workplaces for Millennials™
• 2018 Fortune, Great Place to Work: Best Place to Work for Diversity
• 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. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status or other characteristics protected by state or federal law.