Witold Czarnoba

Level3 Network Support of German/Austrian/Swiss ATOS Customers Technical Project Support (wireless and wired networks) for Largest European Customers(German speaking countries) : - Germany - Austria - Switzerland Management and Administration of LAN, WLAN, Data Center, DMZ, WAN - Cisco Wireless LAN Infrastructure - WLC - Management and Security servers administration: Cisco ISE2.x 3.x - Switches: Cisco NEXUS 5000/7000, Catalyst 2900, 3600 and 6500/6800 series - Juniper QFX/EX and HP Switches

Administration of DATACENTER WAN/LAN, WLAN, MPLS, VPN, IP-core routing, OSPF, BGP and policy routing. Cisco network device configuration and management: Firewalls/VPN: Cisco Asa, Routers: Cisco 1800,2600,3800,Cisco ASR. Switches: NEXUS 5K/7K, Catalyst 2900, 3600 and 6500 series VPN: Pulse Secure, Juniper SA, Cisco WLAN Infrastructure: WLC, Cisco ISE, Cisco PRIME Loadbalancers: A10,

Management and project development IP/MPLS Network for Virgin Media (major UK telecommunications company). IP core routing, MPLS, OSPF, BGP, ISIS Management and administration of routers: Cisco (7600/7200/Catalyst6500), Juniper (MX960/M-series) and Alcatel-Lucent (7750/7450) Multiple configurations for large and complex networks. Preparation of documentation, projects and technical specifications. Management and monitoring of network by Alcatel Lucent SAM

Administration of WAN: MPLS/DMVPN Network of 350 branches and 3 headquarters (about 900 network devices). IP-core routing, EIGRP, OSPF, BGP and policy routing. Cisco network device configuration and management: Firewalls, Routers, Switches, Multi-configurations for large networks. Servers Administration: Freebsd: syslog, backup network devices, management and monitoring, ftp. Cisco ACS. Programming: “expect”, bash and shell scripting,

WAN, LAN Administration. WAN of 16 Regional offices and Remote Data Centers. IP-core routing, EIGRP, OSPF, BGP og policy routing. Maintenance connections to internet and external Institutions. Cisco ASA Firewalls, Switches, Routers. Extreme Networks Switches: Juniper Netscreen:Firewalls: NS 25, NS 50 Juniper Netscreen IDP; Juniper IPS. Servers Administration:Freebsd: syslog, backup network devices, management and monitoring, ftp.Cisco ACS. Programming: “expect”, bash and shell scripting,

LAN Administration Windows 2000 and Windows XP administration Oracle/Access production system administration Sales support of IT services and software. Customers support Software development with cooperation of Central Office in Vienna, Austria

Work in IT ARiMR System, Hardware and Software support.

Help desk, LAN Administration and development, IT Analysis, IT support, User support

Windows 2000 and Windows 98 administration, LAN administration. Hardware support Help Desk, IT support

Management of IT Systems and Networks.

IT Networks and security