C# / ASP.NET Application Engineer (Remote)

GovCIO is hiring an experienced skilled C# / ASP.NET Application Engineer to maintain and enhance a C# ASP.NET web application with a SQL Server backend, SSIS packages, Active Directory integration, and SQL Server Agent scheduled jobs. This position is fully remote within the United States.

• Maintain and improve ASP.NET (MVC/Web API/Web Forms) applications, ensuring seamless integration between front-end and back-end components
• Support SQL Server databases: queries, indexing, performance tuning
• Update and deploy SSIS packages
• Manage SQL Server Agent jobs and troubleshoot failures
• Design, query, and manage relational databases (SQL Server), including writing efficient T-SQL, stored procedures.
• Configure and support AD authentication and IIS settings.
• Troubleshoot, diagnose and debug issues across the full application stack, from the UI down to the database and server layers
• Collaborate with cross-functional teams including database administrators, system administrators, and security teams to design new features and troubleshoot issues
• Maintain documentation and follow secure coding practices
• Write clean, maintainable, and well-documented code following .NET coding standards and object-oriented design principles
• Optimize data models and database architectures to enhance performance and scalability
• Participate in code reviews and contribute to overall code quality and adherence to .NET best practices
• Stay current with updates to the .NET framework and the broader Microsoft development ecosystem, recommending improvements where relevant

Required Skills and Experience

• Bachelor's in Computer Science, Engineering with 12+ years of experience or commensurate professional experience
• Strong C# and ASP.NET experience
• Solid T‑SQL skills and SQL Server administration knowledge
• Hands‑on SSIS development and troubleshooting
• Experience with Active Directory and Windows Authentication.  Able read / write to AD. 
• SQL Server Agent job management
• Familiarity with IIS administration
• Git-based development workflow
• Strong problem‑solving and communication skills

Preferred Skills and Experience

• ASP.NET Core experience
• Advanced SQL performance tuning
• CI/CD (Azure DevOps or GitHub Actions)
• PowerShell scripting
• Experience with modern auth (OIDC/SAML) and cloud/hybrid environments

Clearance Required 

• Ability to obtain and maintain a suitability/Public Trust