Administrative Skills, Backup Software, Control Systems, Cryptography, Data Recovery, Disaster Recovery, Distribution Services, Documentation, Endpoint Security, Hardware Installation, Internet Security, Maintain Compliance, Microsoft Active Directory, Microsoft Hyper-V, Microsoft Windows NT Group Policy, Microsoft Windows Operating System, Network Monitoring, Network Routers, Network Switching, Operations Security (OPSEC), Regulatory Compliance, Satellite Communications, Satellite Radio, Security Analysis, Software Patches, Systems Hardware, Testing, Windows Server Update Services (WSUS), Wireless Radio