Senior Network Engineer
Current- Responsible for supporting a large WAN, SDWAN, LAN, WLAN, SDACCESS, and Datacenter environment for over 114K users and 375 plus sites for fortune 500 company.-Design, configure, install and support large scale Cisco LAN sites using Cisco Nexus 9k and Catalyst 9500, 9300, 3850, 3650, 6500, 6800, 4500-X, 3750X and 2960 switches.-Design, configure, install and support Cisco Wireless Controllers (5508/5520) and Cisco APs(3502/3602/3702/3802/9130 series) for several large sites (+500 WAPs).-Design, configure, install and support a large high availability air gapped network based on Palo Alto FWs, 6880-X, 3850, 3650, 3560CX, 2960CX, Nexus 9K series switches. To host critical services (Security and Fire detection cameras, 911 recorders, recording servers, etc..)-Worked with IT security and the users to design, configure, install and define firewall rules to implement ISO LAN networks.-Worked on Cisco SDN ACI design, BOM and deployed in the Sikorsky CT datacenter. Migrated the existing datacenter into the ACI fabric. Used Python and other automation languages to simplify repeatable operations.-Deployed Cisco SD-Access for the IIoT solution in Sikorsky. Configured Fusion and Border routers. Configured multiple VNs to isolate 3rd party network devices i.e. CNC machines, Chemical Tank Sensors, and other unsecure industrial devices.-Perform advanced Packet capture for troubleshooting application, voip and user issues.-Performed WAN traffic analyses, utilization reports and troubleshooting using CA Netflow, CA Performance and MRTG. -Worked with advanced routing protocols including OSFP, BGP and EIGRP.-Worked with 1GB, 10GB, 40GB and 100GB Single Mode / Multimode and Twinax based networks.