Thomas Gradzki

About Thomas Gradzki

Routing and Switching CCIE from 2004, CCIE v- written, CCDA, MCSE, Extensive Networking Knowledge: Ability to design, build and support large and complex network environment, Arista Cloud Vision EVPN, Cisco System – Routers ASR, ISR, Catalyst family switches, Nexus switches, QOS, TCP/IP, IPX/SPX, RIP IGRP, EIGRP, OSPF, BGP, MPBGP EVPN, IGMP/PIM Multicast, NAT, PAT, HSRP, DNS NTP, SNMP, IPSEC, SSL, HDLC, Frame Relay, Spanning tree, Port Channels, VTP, VPCExtensive knowledge variety of networking gear: F5 Load balancers, Ciena Cisco NGFW, FTD, ASA firewalls Zone base (router base ) firewall, Cisco PKI CA - Router based Certificate Authority (Cisco CA), DMVPN. IPSec and SSL VPN, ISE – Identity Service Engine, Cisco, AristaSecurity: Cisco ISE, Nessus Scanner (tenable), Cisco ASA, FTD firewalls, Fortinet / Fortigate, Palo Alto Firewalls, Cisco Umbrella, Kali Linux, Financial: Market Data interfacesWireless: Cisco Wireless, Cisco Meraki Programming experience with following languages: Python programming, REST API, Postman, Ansible (IOS module), GIT, C, C++, simple SQL, assembly language, MS Access, VBA, Project Management: Ability to lead and manage various complexity projects VOIP Unified Communications: Ability to design, build and support Cisco Voice Over IP solution and Cisco Call Center solution, Cisco Unified Communication Manager, Cisco voice gateways, MGCP, H.323, SCCP, SIP, etc, Gatekeepers, Cisco Unity, Cisco Unify Compute System: Cisco UCS Flexpod deployment with VMware and Netapp

Experience

1. Network Telecommunications Engineer

   Geller

   Oct 2022 — Present · New York, NY, US