> Markdown version of [/jobs/ext/3793456-senior-java-software-engineer-onsite](https://www.wearedevelopers.com/jobs/ext/3793456-senior-java-software-engineer-onsite). 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). --- # Senior Java Software Engineer (Onsite) - **Company:** RTX - **Location:** Fort Meade, MD, United States - **Experience:** Expert - **Salary:** $86,800.0 - $165,200.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Software Applications, Systems Engineering, Unit Testing, Code Review, Linux, DevOps, Perl (Programming Language), Java Web Services, Spring Framework, Junit, Python (Programming Language), Object-Oriented Software Development, Ansible, Secure Coding, Software Engineering, Software Requirements Analysis, Systems Integration, Scripting, Atlassian Tools, Software Performance, Jenkins - **Published:** October 17, 2026 - **Apply:** https://dejobs.org/x/x/B887268E326848F792E12727B889984A/job/ ## About the Role * Active and transferable TS/SCI with Polygraph U.S. government issued security clearance prior to start date with the adjudication date less than three years ago from your starting date for this position . U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. * Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience. * Experience in object-oriented software design and development using Java in a Linux environment and using unit testing tools (e.g., JUnit) * Experience in scripting languages such as Perl and Python. * Experience in an Agile/DevOps environment. Qualifications We Prefer * Experience with Ansible, Jenkins, containers, and the Spring Framework * Security+ certification * Experience using the Atlassian tool suite. * Experience with satellite communication systems and protocols is highly preferred. * Familiarity with secure coding practices, especially in a defense or aerospace setting. ## Description * Design, develop, and maintain advanced software applications for our Satellite Ground Systems. This role involves close collaboration with systems engineers, hardware designers, and other software engineers to deliver reliable and high-performance software solutions. Other responsibilities to anticipate may include: * Design, implement, and test Java-based applications and software components for satellite ground systems. * Collaborate with cross-functional teams to define software requirements and specifications. * Work with previously written code and make modifications as necessary. * Ensure software performance, reliability, and scalability. * Participate in software design reviews, code reviews, and system integration activities. * Contribute to the completion of program and project milestones under the specific guidance of their immediate supervisor. * Follow established Software processes and procedures, development, documentation and maintenance/management of operations concepts, requirements (system, element, segment level), external and internal interfaces, and other software engineering work products/artifacts. * Stay updated with the latest advancements in Java and satellite technology to drive innovation.