Software Developer, Full Stack Developer, .NET Developer

ISSAC is seeking a highly motivated and skilled Software Developer to join our team supporting the Missile Defense System (MDS) Ground Test (GT) scenario design for the Missile Defense Agency (MDA). MDA Ground Tests are critical in evaluating the performance of our nation's defense systems through a variety of Hardware-in-the-Loop (HWIL) and simulation-based tests.

As part of our software development team, you will collaborate closely with engineers and software developers to maintain .NET Framework web applications, design and code new .NET Core web applications, and maintain existing and design and code new .NET Core Web Services that support the scenario design process. We are actively modernizing our tools and processes, driving innovation and efficiency in our mission.

We value creativity, collaboration, and a passion for continuous learning. This is an excellent opportunity to work on cutting-edge defense technologies while contributing to the security of our nation.

The ideal candidate will have a strong background in full-stack development, with hands‑on experience in building and maintaining SQL database structures and web applications. You will work across the entire software development lifecycle, including analysis, design, implementation, testing, and deployment of applications.

• Maintain ASP.NET Core Web Services that implement mathematical models of sensors and weapons systems.
• Design, develop, and maintain web-based applications and web services used in the MDS Ground Test scenario design process.
• Collaborate with cross-functional teams of engineers and developers to enhance and modernize tools and processes.
• Participate in requirements gathering and interface directly with end-users to understand their needs and design solutions.
• Perform full-stack development tasks including working with SQL databases, back-end services, and front-end UI components.
• Apply best practices for software development, focusing on quality, scalability, and maintainability.
• Ensure timely completion of tasks with a focus on excellence, even within tight deadlines.
• Contribute to team knowledge and innovation by bringing new ideas and solutions to the table.
• Work effectively in a fast-paced, collaborative team environment.

• Bachelor's Degree in Software Engineering, Computer Science, or a related technical discipline.
• 10-plus years of experience with full-stack development, including front-end technologies (HTML, CSS, JavaScript, ASP.NET, ASP.NET Core) and back-end development (C#, .NET Framework, .NET Core) with demonstrated ability to work on large-scale projects.
• Familiarity with web service development
• Ability to work with advanced math and physics, particularly vector mathematics
• Proficiency in designing, implementing, and optimizing SQL database structures and queries.
• Excellent problem-solving skills and the ability to adapt to new technologies quickly.
• Ability to communicate effectively with end-users and technical teams to understand and meet user requirements.
• Highly motivated, proactive, and committed to delivering quality work within deadlines.
• Active SECRET clearance.

• Experience with Agile development methodologies.
• Familiarity with Software Development Life Cycle (SDLC) processes and best practices.
• Previous experience in the defense or aerospace industry is a plus, though not required.
• Passion for working on mission-critical applications in a fast-paced environment.