Maintain and update security authorization documentation, including System Security Plans, (SSPs), security control narratives, network diagrams, inherited controls, Configuration Management (CM) Plans, Incident Response Plan (IRPs), Contingency Plan (CPs), Risk Assessment Reports, Certification and Accreditation (C&A) packages, and System Requirements Traceability Matrices (SRTMs). Perform security compliance and vulnerability assessment using tools such as Nessus, Splunk, and Security Content Automation Protocol (SCAP) scanning tools to identify vulnerabilities, assess system compliance, and track remediation efforts.