Lead design, implementation, and support of LAN/WAN and VMware-based infrastructure including high-availability, clustering, disaster recovery, hybrid cloud integration, and enterprise application deployments. Provide technical leadership, documentation, troubleshooting, and hands-on configuration of network devices, virtualization (vCenter/ESXi), storage, backup/recovery, and related systems. Support security requirements for SAP/SCI/Collateral programs and deliver training to junior engineers.