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Amentum Logo Amentum · IT - Software Development

Software Developer (.NET)

United States, Fort Meade Employment contract 140000.00 - 147000.00 USD / Year · Job Posted July 13, 2026
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Job Description

Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Software Developer to join our team of passionate individuals in Fort Meade, MD. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation’s security and intelligence mission. We are seeking Software Developers and Data Analysts with at least two years of experience in website coding, basic graphics techniques, Structured Query Language (SQL), Hypertext Markup Language (HTML), and Extensible Markup Language (XML). The .NET Core Developer will be a key contributor to the development and maintenance of SENTINEL, a web-based application used to track counterintelligence related entities and their relationships. This role requires an exceptional developer with deep expertise in .NET Core, C#, and related technologies.

Job Responsibility

  • Develop new, cutting-edge software solutions for SENTINEL utilizing strong C# programming skills
  • Maintain and enhance existing functionality within the SENTINEL application
  • Contribute to the design and architecture of new features and components
  • Develop enterprise-level web applications utilizing .NET Core, Razor Pages, Dependency Injection, Web APIs, and HTTP request/response handling
  • Utilize Entity Framework (EF) Core, Code First, Migrations, and LINQ syntax to manage data interactions with SQL Server, including data insertion, querying, updating, and deletion
  • Daily use of Visual Studio and SQL Server Management Studio for bug fixing and new functionality development
  • Daily use of Azure DevOps and Git for source code management, version control, and collaboration
  • Utilize a strong understanding of SQL Server and relational database principles to create, modify, and delete database objects
  • Troubleshoot and address database performance issues
  • Possess exceptional JavaScript development skills
  • Implement AJAX calls, form validation, DOM manipulation, and interactivity using JavaScript
  • Style web applications utilizing CSS and UI layout frameworks such as Bootstrap 5 to create visually appealing and consistent user interfaces
  • Collaborate with other developers, analysts, and stakeholders throughout the software development lifecycle
  • Potentially mentor junior developers and share knowledge

Requirements

  • Master’s degree in a relevant field and 12 years’ relevant experience
  • with a portion of the experience within the last 2 years
  • or Bachelor’s degree and 14 years of relevant experience
  • or Associate degree and 16 years of relevant
  • or High school diploma and 20 years of relevant experience
  • Security Plus certified
  • 10+ years of professional software development experience with a strong focus on .NET technologies
  • .NET Core Expertise: Deep understanding and practical experience with .NET Core development
  • C# Proficiency: Exceptional C# programming skills with a thorough understanding of object-oriented programming principles
  • EF Core & SQL Server: Extensive experience with Entity Framework Core, Code First, Migrations, and SQL Server
  • JavaScript & Front-End Technologies: Solid understanding of JavaScript, HTML, CSS, and modern front-end frameworks (e.g., Bootstrap)
  • DevOps Proficiency: Proficient with Azure DevOps and Git for source control, CI/CD, and collaboration
  • Problem-Solving: Exceptional analytical and problem-solving skills
  • Current TS with SCI eligibility

Nice to have

  • Understanding of ASP.NET Core 6.0 and related concepts to include Razor Pages, Dependency Injection and Middleware
  • Knowledge of Cascading Style Sheets (CSS) and UI layout frameworks (i.e. Bootstrap, Flexbox, etc)
  • Experience reverse engineering legacy source code to implement priority bug fixes and enhancement requests
  • Working knowledge of IIS and Web application deployments
  • TS/SCI

What we offer

  • Health, dental, and vision insurance
  • Paid time off and holidays
  • Retirement benefits (including 401(k) matching)
  • Educational reimbursement
  • Parental leave
  • Employee stock purchase plan
  • Tax-saving options
  • Disability and life insurance
  • Pet insurance
  • 17 days of vacation per year
  • seven paid holidays
  • floating holidays
  • caregiver leave
  • opportunity to purchase company stock
  • opportunity to receive a performance discretionary bonus
  • basic life insurance
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