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 **Chantilly or Herndon, VA** . In this role you will support challenging, mission-critical projects that make a direct impact on the Nation’s security and intelligence mission. **Your Impact:** We are seeking a talented and experienced Senior Software Engineer to join our dynamic team. The ideal candidate will have over 10 years of software development experience with a strong background in multi-tiered C# .NET applications, information systems, and service-oriented architectures. The role requires proficiency in full-stack development, database design, DevOps, and the ability to mentor junior developers. **Responsibilities:** + Lead software development projects from requirements analysis through deployment and maintenance. + Design and develop software solutions, employing technologies such as C#, C++, SQL Server, Microsoft Windows Server, and Linux. + Monitor, troubleshoot, and enhance system operations using tools like Splunk and Grafana/Prometheus. + Work with Jira and Confluence for agile management. + Produce technical documentation, including system designs, Interface Control Documents (ICDs), and operational procedures. + Collaborate with cross-functional teams to reverse engineer legacy codebases and produce UML models using Enterprise Architect. + Support secure communications systems, ensuring compliance with operational and security standards. + Research, prototype, and recommend improvements to existing systems and architectures. + Troubleshoot and resolve complex software, performance, and infrastructure issues. + Research and adopt emerging technologies to enhance system efficiency. **Requirements:** + Over 10 years of hands-on software development experience. + Hands-on experience with secure systems engineering, systems integration, and reverse engineering. + Proficiency in programming languages: C#, C++, SQL. + Experience working with tools like JIRA, Confluence, Splunk, and Enterprise Architect. + Strong skills in debugging, performance optimization, and DevOps practices. + Background in on-call support and operational monitoring of critical systems. **Clearance Required:** + TS/SCI w/ Poly **Minimum Education:** + M.S. in Computer Science or equivalent (desired) + B.S. in Mathematics and/or Computer Science (required) **Minimum Years of Experience:** 10 Preferred: + Understanding of Enterprise Service Bus architecture. + Experience with Python, Angular, JavaScript. + Experience with OpenShift or other container orchestration software. + Excellent technical writing and documentation skills. + Experience in collaborating with multidisciplinary teams. + Familiarity with high-availability systems and secure communications. + Experience providing Tier 3 on-call 24x7 support for critical systems. \#javelin