JAVA Developer

Job Description
Responsibilities

Noblis MSD is seeking a Java Software Developer to support a large-scale software project for U.S. Navy programs. This is an onsite position at the Philadelphia Navy Yard.

Noblis MSD supports Naval Sea Systems Command (NAVSEA) and Naval Surface Warfare Center Philadelphia Division (NSWCPD) by providing engineering, software development, systems integration, cybersecurity, logistics, and life-cycle support to Navy programs.

The Java Developer will work as part of a software development team to design, develop, maintain, test, and support Java-based applications. The ideal candidate is comfortable working in a large software codebase, collaborating with other developers and engineers, and supporting software updates through the full development lifecycle.

Responsibilities include:

Develop, maintain, and enhance Java software applications
Support software design, coding, testing, troubleshooting, and integration activities
Work with large existing Java codebases and help improve maintainability over time
Review, understand, and update existing software as needed
Support software builds, deployments, and release activities
Use tools such as GitLab, Jira, SonarQube, or similar tools to support software development and delivery
Assist with troubleshooting software issues identified during development, integration, testing, or field support
Collaborate with software developers, testers, engineers, cybersecurity personnel, and program stakeholders
Participate in code reviews and help maintain good software development practices
Support documentation such as software design notes, release notes, installation instructions, and user/support guidance
Communicate status, blockers, risks, and technical issues clearly and professionally

Required Qualifications

Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, Software Engineering, Information Systems, or a relevant technical discipline
3+ years of experience developing software using Java
Experience working with large or multi-module software applications
Experience maintaining, troubleshooting, or refactoring existing Java code
Familiarity with object-oriented design and software development best practices
Familiarity with version control tools such as Git or GitLab
Experience using issue tracking tools such as Jira or similar platforms
Ability to work in a Linux environment or willingness to develop Linux proficiency
Ability to work as part of a team and communicate effectively with people at varying technical levels
Must be a U.S. Citizen
Ability to obtain a Secret Security Clearance
Fluent and able to navigate in a Linux Operating System

This position is on-site at the Philadelphia Naval Yard.

Desired Qualifications

Experience with Java 17 or later
Experience supporting modernization or refactoring large Java applications
Familiarity with CI/CD concepts and tools such as GitLab CI/CD, or similar platforms
Familiarity with SonarQube or similar code quality tools
Experience with Bash scripting or general automation scripting
Experience with Docker, containers, or RHEL 8/9 environments
Familiarity with JGroups or distributed Java applications
Experience supporting software integration and formal test events
Experience writing clear technical documentation, including design notes, release notes, and installation guidance
CompTIA Security+, Linux certification, Oracle Java certification, or similar certifications are a plus
Understanding of PLC technologies such as PLC I/O mapping, ladder logic behaviors, and Allen-Bradley ControlLogix/CompactLogix
Working knowledge of dependency injection and Java Platform Module System (JPMS)
Familiar with SCADA HMI systems like FactoryTalk View, Ignition, or Wonderware