• Designing and implementing Fortinet SD-Wan for 27 EU member states as well as supporting traditional MPLS WAN• Data Center networking support (VMware, Nutanix) including AWS public cloud solutions• Upkeep of security zones (including classified materials) leveraging Checkpoint, Fortinet, Redhat firewalls plus WAF firewalls• Administering enterprise-class environment like redundant routers (BGP OSPF Cisco), switches(HP,Cisco, Aruba), load balancers (Alteon), VPN portals• Infrastructure monitoring and orchestration with classic tools (e.g. HP ICM config managment) and scripting (TCL,Python,Ansible)

• supporting and optimizing virtualized Data Center (VMware vSphere) with the focus on networking and security aspects• Administering restricted routing based on Palo-Alto firewall• Supporting MS Windows domain users within a testbed for NATO Command&Control software testing

• Activities within Layer 3 Supports in NTS SOC /Service Operation Center/• Supporting customer's network in the field of Routing&Switching – Support for Hardware like e.g. Catalyst 2k/3k/4k, 6500/6800 and routers 7600 & ASR1k• Fixing problems for local Service Provider (MPLS, IPv4/v6, BGP, OSPF, ISIS, QoS, WCCP, WLC-based wireless connectivity) - including IOS-XR-based ASR9k routers• Optimization as well as troubleshooting of Cisco Unified Data Center Networks (with a focus on Cisco Nexus Switching Platforms plus Cisco UCS)• Tight contacts with Cisco TAC – Cisco IOS, IOS-XE Bug remediation,

Maintaining NATO networks throughout Europe, US, as well as in war theaters (Afghanistan, Iraq), keeeping a supporting position in Network Operation Center embracing network technologies like switching, core routing (BGP, OSPF), VPN, QoS, etc

I held Network Engineer role supporting Sales, implementing new network solutions (LAN, WAN-Frame Relay, ATM, MPLS, QoS, SNMP, DOCSIS), troubleshooting Cisco-based networks , also was dealing with Microsoft server technologies (Server2003) as well as UNIX ones (e.g.Siemens Sinix)