Senior Java Software Engineer – TS/SCI Poly Required

Arrona Tech LLC is seeking a Senior Java Software Engineer for an on-site role in the Hanover/Fort Meade area. This position requires an active TS/SCI clearance with polygraph and offers a salary range of USD 180,000 to 230,000 per year. The role centers on designing, building, and maintaining mission-critical Java software across the full development lifecycle within a small, high-impact team that collaborates closely with engineers, customers, and field-site stakeholders.

Responsibilities

• Develop, maintain, and enhance complex software systems guided by documented requirements.
• Analyze user needs to derive design and performance targets for the software.
• Design, code, test, and sustain new and existing applications.
• Modify existing software to add features, fix defects, adapt to new hardware, and improve performance.
• Debug software issues and resolve problem reports.
• Integrate software into new or updated systems and operating environments.
• Develop and maintain RESTful services and enterprise web applications.
• Create simple and complex database queries and data repository interfaces.
• Support front-end dashboards, back-end repositories, and full data-processing workflows.
• Collaborate with system and hardware engineers to define software requirements, interfaces, constraints, and performance needs.
• Develop or implement algorithms to meet performance and functional standards.
• Assist in developing and executing software test procedures.
• Review software components for adherence to design requirements.
• Document test results and support quality control of team products.
• Write and review software, system documentation, and Interface Control Documents.
• Generate and maintain design specifications using UML-based tools.
• Support deployment, installation, and operational monitoring of software.
• Recommend and implement improvements to documentation and software development standards.
• Serve as a technical lead when project needs and processes require it.

Requirements

• Active TS/SCI clearance with polygraph is mandatory.
• U.S. citizenship is required due to federal contract requirements.
• Bachelor’s degree in Computer Science, Software Engineering, or a related technical discipline from an accredited institution, plus 14 years of software engineering experience on programs of similar scope, type, and complexity; or 18 years of experience in lieu of a degree on projects with similar software processes.
• Minimum 14+ years of software engineering experience.
• 10+ years of relevant Java programming experience.
• 2+ years of Java 1.7 or higher.
• Experience developing presentation-tier applications.
• 1+ year of Spring Framework experience.
• 2+ years of JavaScript development experience.
• 5+ years of JSP and Servlet programming experience.
• 5+ years of JEE enterprise web application design and development.
• 5+ years designing and developing RESTful applications.
• Ability to create and deploy applications in an Apache Tomcat web server.
• 1+ year using JavaScript presentation libraries such as jQuery, Angular, or ExtJS.
• 6+ years programming on Linux platforms.
• 6+ years using revision control tools (Git, GitLab, SVN, CVS, ClearCase).
• 6+ years of test-driven development experience.
• 3+ years of Oracle, PL/SQL, and/or MySQL experience.
• Experience writing Interface Control Documents.
• Experience generating and documenting design specifications for system-level components.
• Experience using UML-based tools such as Confluence, Gliffy, or similar.
• Experience with Microsoft Office tools (Word, Excel, PowerPoint).

Benefits

• 401(k)
• 401(k) matching
• Paid time off
• Retirement plan

Why this role stands out

• Work on a small, high-impact mission software team.
• Develop and maintain software used in operational environments.
• Collaborate directly with engineers, customers, and field-site stakeholders.
• Engage in full lifecycle development from requirements through deployment.
• Operate with a stack that includes Java, JEE, Spring, REST, Tomcat, Linux, databases, and Git.
• Join a company where leadership is accessible and performance is visible.

Technologies

• Java, Java 1.7+, JEE, J2EE
• Spring, JavaScript, JSP, Servlets
• REST, RESTful APIs, Apache Tomcat
• Linux, C++, Git, GitLab, SVN, CVS, ClearCase
• Oracle, PL/SQL, MySQL, MongoDB
• Apache Camel, Docker, UML
• Confluence, Gliffy, TDD, RPM, YUM, SNMP