Managing Windows and Linux server environments including installation patching hardening monitoring and troubleshooting Administering Active Directory Group Policy DNS DHCP file servers user access controls and privileged accounts Managing storage infrastructure including SAN NAS iSCSI RAID redundancy performance monitoring and backup integration for clinical systems Supporting backup disaster recovery and data protection activities including scheduled backups EMR database restoration testing backup verification and DR documentation Managing PKI and certificate services including internal certificates OpenSSL certificate creation SSL renewal RADIUS authentication and certificate lifecycle management Supporting enterprise Wi-Fi infrastructure including WPA2 WPA3 Enterprise RADIUS authentication certificate-based access VLAN assignment and secure wireless access controls Managing network infrastructure including switches VLANs trunk access ports STP RSTP loop prevention redundant u...