.NET / C# Developer – Senior (Top Secret with agreement to obtain CI Poly)

This job requires active TS/SCI clearance with a CI Polygraph. Please apply only if you have an active TS/SCI clearance with a CI Polygraph. .NET / C# Developer – Senior Position / LCAT: .NET / C# Developer Level: Senior Lead Designation: N/A Location: Fort Belvoir, VA Role Summary Provides application development for a Microsoft-oriented enterprise environment, including MS.NET, C#, MVC 4+, and Internet Information Services (IIS) for Windows Server web development, in support of custom in-house developed web applications. Develops, tests, and deploys software within a DEVSECOPS operating environment across multiple supported networks, adhering to Agile, SCRUM, and Lean methodologies. Collaborates with peers to review code, ensures best practices and coding standards are followed, and uses Azure DevOps for code changes and version controls. Responsibilities Provide application development for a Microsoft-oriented enterprise environment, including MS.NET, C#, MVC 4+, and Internet Information Services (IIS) for Windows Server web development Collaborate with peers to review code to ensure best practices, team norms, and coding standards are followed Provide web development and version control for a Microsoft-oriented enterprise environment using Government-provided tools (Microsoft Visual Studio 2019 and later, Azure DevOps and later) Estimate the level of effort required for all design, development, deployment, and testing and provide information to the COR Participate in an iterative development team through all facets, including sprint planning, daily scrum meetings, reviews, and retrospectives Develop documentation including test plans, end-user documentation, wireframes, mockups, Use Case Diagrams, and flowcharts; store all documentation in identified Government document repositories Use Azure DevOps (ADO) for all code changes and version controls Create and update test plans and record results within developer documentation Collaborate with the Quality Assurance (QA) team to mitigate all findings identified during testing Build fully deployable packages for development, staging, integration, and production environments and submit deployment requests for approval Use all approved Government-provided templates for required documentation and ensure all development-related documents are stored in a single document repository Leverage advanced programming skills to develop and incorporate mandatory fields of the DNI Audit.XML specification in accordance with ICS-500-27 Collection and Sharing of Audit Data Adhere to software development methods including Agile, SCRUM, and Lean Provide project status reports to the Government at all stages of the project lifecycle as required Utilize Azure DevOps to record and report bugs to Quality Assurance, project managers, and other stakeholders Ensure SOPs, "How To" guides, testing plans, and accreditation paperwork are complete for each application Individuals not performing at a Government facility and not TS/SCI cleared shall write code in an unclassified environment and provide the code to contractor developers working at a Government facility with TS/SCI clearance for integration into integration and production environments Required Qualifications Eight years of experience in .NET Development (including MS.NET, C#, MVC 4+, and Internet Information Services (IIS) for Windows Server web development) Five years of experience with Software Development Life Cycle Process (SDLC) Five years of experience with software development Unit Testing, System Testing, Functional Testing, User Acceptance Testing, or other development testing experience Five years of experience in SQL database development stored procedures Five years of experience mentoring junior personnel on proper practices and procedures Five years of experience documenting software defects using a bug tracking system and reporting defects to software developers and project managers TS/SCI clearance with SBI and ability to attain S…