• 5 to 7 years of experience in Mainframe Host Network administration and support.
• Robust experience in z/OS Communications Server, including VTAM, TCP/IP, Enterprise Extender, and SNA administration.
• Expertise in DNS, IP routing, network security, packet analysis, connectivity diagnostics, and network performance tuning.
• Experience with problem determination, communications infrastructure support, and enterprise network troubleshooting.
• Knowledge of Microsoft Windows Server 2016/2019, VMware ESX, and public/private cloud settings, including on-premises to cloud migrations.
• Strong analytical, troubleshooting, and communication skills in production environments.