1. Experience implementing and supporting the following Security Frameworks: NIST 800-53, DISA Security requirements, CIS, HITRUST, PCI for a major operating system or component such as FW, RHEL, Windows, DB, WEB in a large enterprise environment. Experience implementing and supporting the following Security Frameworks: NIST 800-53, DISA Security requirements, CIS, HITRUST, PCI for a major operating system or component such as FW, RHEL, Windows, DB, WEB in a large enterprise environment.