Knowledge of IT systems architecture, operating systems, and network infrastructure to isolate vulnerabilities, interpret vulnerability scanner results (e.g., ACAS/Nessus, STIGs), and recommend technical mitigations that support organizational business processes without compromising security. Responsibilities include developing, updating, and maintaining System Security Plans (SSPs), managing Plans of Action and Milestones (POA&Ms), and conducting continuous monitoring of classified and unclassified networks.