Software Engineer, Software Testing, Unix​/Linux

This role focuses on designing, developing, troubleshooting, and analyzing software programs for computer-based systems within a complex, mission-driven environment. You will perform system modeling, simulation, and analysis, and contribute to the design and development of compilers, assemblers, utility programs, and operating systems. As needed, you will provide input for documentation related to new and existing software, ensuring clarity, accuracy, and maintainability.

• Design, develop, and maintain software programs for computer-based systems in a Linux and UNIX environment.
• Perform system modeling, simulation, and analysis to support software and system performance objectives.
• Design and develop compilers, assemblers, utility programs, and operating systems components as required.
• Implement software designs, including subsystem and system integration, and conduct thorough testing activities.
• Participate in formal software reviews, including software requirements reviews, preliminary and critical design reviews, integration readiness reviews, and software acceptance reviews.
• Apply object-oriented design and development principles, including design patterns, to support modular, maintainable, and extensible software solutions.
• Develop and maintain scripts in Solaris and other UNIX variants to support automation and system operations.
• Use Integrated Development Environments (IDEs), such as Eclipse, to develop, debug, and maintain software.
• Contribute to the creation and refinement of documentation for new and existing software programs, ensuring technical accuracy and completeness.
• Work within established life cycle processes and procedures aligned with CMMI Level 5 practices.
• Collaborate with cross-functional teams to integrate software components and support system-level functionality.
• Utilize testing frameworks, including xUnit-based tools such as JUnit and Cpp Unit Lite , to develop and execute automated tests.
• Support ongoing maintenance, troubleshooting, and analysis of software issues in deployed and test environments.

• 2+ years of experience developing software with C++.
• Proficiency in C++ or Java programming in a Linux operating system environment.
• Software design, design implementation, subsystem and system integration, and testing.
• Experience participating in software requirements review, preliminary and critical design reviews, integration readiness review, and software acceptance reviews.
• Experience with object-oriented design and development, including the use of design patterns to support software insulation techniques and plugin architectures.
• Hands-on experience working in Windows, Solaris, and Linux environments.
• Experience developing scripts for Solaris and other UNIX variants.
• Proficiency using Integrated Development Environments (IDEs) such as Eclipse.
• Familiarity with UML syntax and its practical application in software design.
• Familiarity with xUnit testing frameworks, especially JUnit and Cpp Unit Lite .
• Experience working within CMMI Level 5 life cycle processes and procedures.

• Experience with Python and Bash scripting is a plus.
• Experience with embedded software development is beneficial.
• Object-oriented programming and software engineering best practices.
• Comfort working with multiple operating systems, including UNIX variants.
• Ability to collaborate effectively in a structured, process-driven engineering environment.

Work is performed on a long-term, stable defense program supporting advanced missile defense systems, with a strong history of operational use across multiple allied navies. The role is based in a professional engineering facility and involves…