SAIC seeks a cleared Principal Systems Engineer to lead a cross-functional engineering team providing technical assistance for Battlespace Awareness and Information Operations (BAIO) programs within the Navy's PEO C4I organization. The role involves systems architecture design, integration, testing, and cyber certification for manned and unmanned platforms, along with requirements analysis, MBSE support, and technical advisory services to senior Navy leadership.… The candidate will manage interface requirements, conduct system-of-systems integration activities, and provide subject matter expertise on Information Operations doctrine, tactics, and advanced technology development. Requires TS/SCI clearance, a bachelor's degree in science/engineering/math with 9+ years experience (or master's with 7+ years), and demonstrated expertise in systems engineering, unmanned systems, and military command-and-control environments.