Junior .NET Programmer with Database Programming Expertise
WINTrio LLC · Company website
Fort Belvoir, VAOn-siteFull-TimeMid-Senior Level$1,000 - $500,000
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Posted by WINTrio · Oct 29, 2026About the role
Position Title: Junior .NET Programmer with Database Programming Expertise
Program: COSAGE Database Development, Center for Army Analysis (CAA)
Location: On-site, Fort Belvoir, VA (no remote work permitted)
Clearance Required: DoD SECRET clearance or higher, active or interim, prior to reporting for duty
Position Summary
WINTrio LLC seeks a Junior .NET Programmer to support database enhancement and software development for the Combat Sample Generator (COSAGE) model at CAA. This role works alongside the Senior .NET Programmer to modify database schemas and build analyst-facing tools across three interlinked systems.
Key Responsibilities
Support modification and enhancement of the COSAGE, Data Request, and Master Data databases in MS SQL Server
Assist with schema changes to support new features and data requirements
Develop and maintain MS Windows-based user interfaces in C#.NET
Support maintenance of legacy code written in VB.NET where required
Build and support stored procedures and relational table structures
Assist with troubleshooting database and application processes that do not perform as expected
Support preparation of design documents and progress reporting deliverables
Required Qualifications
3 to 5 years of experience in software development with database programming
Working experience developing MS Windows applications using C#.NET
Familiarity with legacy application maintenance in VB.NET
Working experience with stored procedures and relational tables in SQL Server
Ability to obtain and maintain a DoD SECRET clearance
Ability to work on-site at a government facility on a classified network
Desired Qualifications
Exposure to Army or DoD analytical modeling or simulation systems
Familiarity with relational database design principles across multiple applications
Work Environment
Full-time position.
Primarily remote within the United States.
Occasional on-site support may be requested in the Washington, DC / Northern Virginia area.
Standard Federal business hours.
All work must be performed within the United States.
WINTrio Benefits
Healthcare, Medical, Dental, and Vision
FSA and HSA options
401(k) Retirement Plan
Annual Bonus and Profit Sharing Opportunities
Paid Time Off
Employee Assistance Program
Life and Disability Insurance
Equal Opportunity Employer
WINTrio LLC is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to any characteristic protected by applicable law.