Panos Chatzigeorgiou

Network Engineer at SysteCom S.A.
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Contact Information
us****@****om
(386) 825-5501
Location
Greece, GR
Languages
  • English -
  • Greek Native or bilingual proficiency
Skills

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Credentials

  • MCTS: Windows Server 2008 Active Directory, Configuration
    Microsoft
    Apr, 2014
    - Nov, 2024
  • CCNA Routing and Switching
    Cisco
    Sep, 2016
    - Nov, 2024
  • MTCTCE (MikroTik Certified Traffic Control Engineer)
    MikroTik
    Jul, 2019
    - Nov, 2024
  • MTCNA (MikroTik Certified Network Assosiate)
    MikroTik
    Jan, 2019
    - Nov, 2024
  • MTCRE (MikroTik Certified Routing Engineer)
    MikroTik
    Jan, 2019
    - Nov, 2024
  • HCNA - Huawei Certified Network Assosiate
    Huawei Technologies
    Sep, 2017
    - Nov, 2024

Experience

  • SysteCom S.A.
    • Greece
    • IT Services and IT Consulting
    • 1 - 100 Employee
    • Network Engineer
      • Dec 2019 - Present

      Installation, administration, troubleshooting of computer and network systems. Design and implement complex networks, which includes technology as: · ASA and FTD Firewalls (access rules, NAT, failover active/standby, Policy based routing etc.) · Cisco FMC, Cisco WSA, Cisco ESA · Cisco Nexus and Catalyst switches in Layer 2 and layer 3 scenarios. Implementation of STP, LAGs, Stacking, vPC · VPNs (Site to site, Remote Access) · Cisco WiFi installations, business oriented with controllers, multiple VLANs · Forcepoint firewalls (basic installation) · Cloudflare (basic implementation) · Microsoft Windows Server (maintain customers installations) Show less

  • UTELIT
    • Greece
    • Telecommunications
    • 1 - 100 Employee
    • Network Engineer
      • Sep 2018 - Dec 2019

       Installation, administration, troubleshooting of computer and network systems. Design and implement complex networks, which includes technology as: · Dynamic routing (EIGRP, BGP, OSPF) · Mikrotik advanced firewall topics (PCC Load balancing, mangle rules, scripts etc) · Policy based routing (Mikrotik, Cisco) in complex scenarios · ASA Firewalls (access rules, NAT, failover active/standby etc) · QoS (policing, shaping, nested policies) · VPNs (IPSec, GRE over IPSec, SSL, L2TP/IPSec, OVPN with certificates, IKEv2 with certificates, PPTP) · WiFi installations (RUCKUS, HUAWEI, MIKROTIK, UBIQUITY) business oriented with controllers, multiple VLANs Show less

  • Hellenic Technical Enterprises Ltd
    • Telecommunications
    • 1 - 100 Employee
    • Network Engineer
      • Jun 2014 - Jul 2018

       Installation, administration, troubleshooting of network systems.· Design and implement complex networks using Cisco, Huawei, Fortinet, Sophos hardware. · Excellent knowledge of basic principles and concepts of IP networks: TCP/IP, addressing/ sub-netting, routing (EIGRP, OSPF), QoS (policing, shaping, nested policies)· Excellent knowledge of Ethernet networks and related concepts, protocols and functions (e.g. 802.1Q VLAN, spanning tree, SVIs, port channels, vPC, VSS, stacking etc)· ASA Firewalls (access rules, NAT, failover active/standby etc)· VPNs (IPSec, GRE over IPSec)· Monitoring tools (solarwinds, Nagios, PRTG, wireshark) and protocols (netflow, SNMP, syslog)· WiFi installations business oriented with controllers, multiple VLANs Assisting in the administration of the company's infrastructure which includes tasks concerning Microsoft's Active Directory, virtualization based on VMware's products (vShpere, ESXi, vCenter), Microsoft's Exchange Servers and Cisco's SW/HW Show less

    • IT Specialist
      • Jan 2012 - Jun 2014

       Installation, administration, troubleshooting of computer systems.· Active Directory setup, DHCP, DNS, migrations/upgrades· VMware and Hyper-V hypervisors· Storages and SANS implementing FC, FCoE and iSCSI · Mailbox migrations (imap, exchange), office 365 deployments· Hardware repair (Servers, Desktop PCs, Laptops etc) Assisting in the administration of the company's infrastructure which includes tasks concerning Microsoft's Active Directory, virtualization based on VMware's products (vShpere, ESXi, vCenter), Microsoft's Exchange Servers and Cisco's SW/HW Show less

Education

  • Ethnikon kai Kapodistriakon Panepistimion Athinon
    Physics

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