ASRC Federal Mission Solutions is a premier provider of systems engineering, software engineering, system integration and project management services for real-time, mission-critical defense systems. We are seeking a Software Integration & Test Engineer in support of the development and sustainment of the U.S. Navy Aegis Weapons System in Moorestown, NJ.  The Software Integration & Test Engineer supports system-level software integration and testing within a laboratory environment.  This role assists with requirement-driven manual and automated integration testing, supports software loading and lab operations, and contributes to troubleshooting efforts across distributed software components under the guidance of senior engineers. The position involves hands-on engagement with live systems in a configuration-controlled environment. Roles and Responsibilities: Develop foundational understanding of system architecture and inter-subsystem message flows in distributed pub/sub environments. Execute system-level integration test procedures derived from documented software requirements. Assist in identifying, documenting, and retesting integration defects; support collection of logs, traces, and diagnostic data. Support execution and maintenance of automated regression tests using Python or similar scripting languages. Assist in troubleshooting integration issues under guidance from senior engineers. Support software loading and integration of subsystem builds within laboratory equipment suites. Assist in maintaining laboratory system operability and readiness during integration and test activities. Collaborate with software developers, systems engineers, and integration teams in a configuration-controlled environment. Support integration events and testing activities outside standard business hours as required. Requirements: U.S. citizenship and the ability to obtain and maintain a U.S. Government Secret security clearance or other required authorization within the timeframe specified by applicable contract requirements. Ability to work on-site in laboratory environments and support testing outside standard business hours. Bachelor’s degree in Computer Science, Engineering, or related technical discipline. 0-2 years of experience in software integration, system test, or software engineering. Familiarity with Linux/Unix environments. Basic proficiency in Python or similar scripting language. Foundational understanding of software testing and software development lifecycle (SDLC) concepts. Strong written and verbal communication skills. Preferred but Not Required Experience: Exposure to distributed or system-of-systems architectures. Familiarity with pub/sub messaging systems. Exposure to automated test frameworks. Familiarity with CI/CD pipelines and version control systems (e.g., Git or similar). Exposure to performance analysis or system metrics collection tools. Relevant internships, academic projects, or certifications related to software testing or development.