Job#: 3021843 Job Description: Systems Software Engineer Location: King of Prussia PA 19406 Clearance required: TS/SCI with POLY (CI or FSP) Role Overview We are seeking a software-focused Systems Engineer to support mission applications critical to national security. In this role, you will work hands-on with mission software, integrating, validating, and verifying software packages within an Agile environment. You'll ensure software behaves correctly within complex systems and contributes t