Amazon Web Services (AWS), CISCO PIX Firewall, Capacity Management, Change Management, Cisco Switches, Cloud Computing, Communication Skills, Communications Protocols, Configuration Management, Cost Control, DHCP (Dynamic Host Configuration Protocol), DNS (Domain Name System), Firewalls, ITIL (IT Infrastructure Library), Interpersonal Skills, Linux Operating System, Load Balancing, Maintain Compliance, Messaging Technology, Microsoft Active Directory, Microsoft Windows Azure, Microsoft Windows Server, Multitasking, Network Administration/Management, Network Architecture/Engineering, Network Configuration Management, Network Performance/Analysis, Network Routers, Network Routing, Network Support, Network Switching, Network Systems, PCI, POP3 (Post Office Protocol 3), Performance Analysis, QoS (Quality of Service), SMTP (Simple Mail Transfer Protocol), Service Level Agreement (SLA), Software Patches, Support Documentation, Systems Administration/Management, Systems Reliability, TCP/IP (Transmission Control Protocol/Internet Protocol), Technical Support, VPN (Virtual Private Network)