> Markdown version of [/jobs/ext/2691714-software-engineer-sr](https://www.wearedevelopers.com/jobs/ext/2691714-software-engineer-sr). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer Sr - **Company:** Lockheed Martin - **Location:** Manassas, VA, United States - **Experience:** Expert - **Salary:** $110,300.0 - $204,900.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Unit Testing, Bash Shell, C++ (Programming Language), Computer Programming, Databases, Middleware, JavaFX, Java Management Extensions, PostgreSQL, MongoDB, Performance Tuning, Red Hat Enterprise Linux, Rxjava, Signal Processing, Software Systems, Verification and Validation (Software), System Software, Systems Integration, Software Technical Review, Multithreading, Gerrit, Ios Frameworks, Reliability of Systems, Gitlab, Git, Kotlin, Containerization, Kubernetes, Reactive Programming, Asynchronous Programming, Grpc, Code Restructuring, Docker, Jenkins - **Published:** September 3, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9138111/software-engineer-sr ## About the Role * Bachelor's degree in Computer Science, Software, Computer, Electrical Engineering, or a related STEM discipline with 4+ years of relevant experience. * Proven Java development experience, including multithreading. * Strong Linux/Unix development, integration, and troubleshooting background. * Ability to integrate, test, troubleshoot, and refactor software systems. Desired Skills * Advanced Java multithreading experience * UI frameworks: JavaFX / Swing * Database experience (MongoDB, PostgreSQL, or comparable) * Inter-process messaging middleware (gRPC, Artemis) * Performance-tuning tools (JVisualVM, JConsole, JProfiler) * Reactive programming (RxJava, Kotlin Coroutines, Flow) * Containerization/orchestration (Docker, Kubernetes, etc.) * Agile full-lifecycle development familiarity * Bash scripting proficiency ## Description The RMS team in Manassas is looking for Software Engineer for the Integrated Common Processor (ICP) program. The ICP program provides a common Integrated Undersea Surveillance Systems (IUSS) signal processing and display system software and hardware suite for the US Navy. Work with our team as we develop and deliver new tools and updates to our Navy customer. This position requires DoD Secret Clearance. Core Responsibilities * Full-Lifecycle Development: Design, write, and deploy clean, scalable code or expand existing capabilities to support the evolution of critical Navy mission applications. * Baseline Lifecycle Management: Troubleshoot, maintain, and upgrade the existing software baseline to maximize system reliability, efficiency, and long-term stability. * System Integration & Testing: Conduct robust unit testing, code integration, and system verification to ensure faultless performance within complex naval computing environments. * Team Collaboration & Mentorship: Drive engineering excellence by actively participating in technical design reviews, constructive peer code evaluations, and mentoring junior engineers. Technical Environment & Framework * Operation System: Red Hat Linux (RHEL) * Programing Languages: Java, C++ * Framework & Tools: Git, Gerrit, Jenkins, GitLab ## Related Videos - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [The AI Skills Gap: What Tech Leaders Must Get Right](https://www.wearedevelopers.com/videos/1704-the-ai-skills-gap-what-tech-leaders-must-get-right) - [Exploring the Power of gRPC-Gateway for Writing RESTful Services](https://www.wearedevelopers.com/videos/2072-exploring-the-power-of-grpc-gateway-for-writing-restful-services) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Keep your code refactorable](https://www.wearedevelopers.com/videos/381-keep-your-code-refactorable) - [Boosting OpenSearch Performance: gRPC Search in Action](https://www.wearedevelopers.com/videos/1964-boosting-opensearch-performance-grpc-search-in-action) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)