Antonis G.

System Administrator at MassiveGRID
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Contact Information
us****@****om
(386) 825-5501
Location
Agia Paraskevi, Attiki, Greece, GR

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Experience

  • MassiveGRID
    • United States
    • IT Services and IT Consulting
    • 1 - 100 Employee
    • System Administrator
      • Apr 2020 - Present

  • Vodafone
    • United Kingdom
    • Telecommunications
    • 700 & Above Employee
    • Second Level Technical Support Team Leader
      • Apr 2019 - May 2019

  • Cyta Hellas
    • Telecommunications
    • 1 - 100 Employee
    • Second Level Technical Support Team Leader
      • Sep 2015 - Mar 2019

      • Applications Citrix, IP Multimedia Subsystem (IMS), Report Manager, Wireshark (SIP Traces) • CPE user manuals creating and updating (ΖΤΕ, ADB, Technicolor) • Knowledge base (wiki) creating and updating • Lab creating for configuration and testing of CPE’s firmware releases • Providing support to call Agents of the technical support center • Communicating internally with various departments and externally with international web hosting companies for optimum customer service • Diagnosing routing errors and number portability issues • Ensuring effective workflow and deliverables within the department • Monitoring achievement of departmental goals • Monitoring and managing incoming calls of the Technical support center to ensure compliance with SLA • Keeping oversight of employees attendance and delegating daily workload • Creating and exporting reports of daily, weekly and monthly departments performance Show less

    • Second Level Technical Support Engineer
      • Jul 2011 - Sep 2015

      • Managing and solving technical issues of broadband services (ADSL, VDSL, VOIP, IPTV) • Managing fixed line / MSAN (Alcatel-Lucent, Ericsson, Huawei) • Managing and modifying VLAN’s for improving overall network of broadband services • Configuration and optimization of equipment of home and residential –SoHo customers via GUI / Telnet • Training new coming Agents of the 2nd Technical Lvl Department • Convening, Training and Supervising of the First Call Resolution Team Show less

    • Technical Support Technician
      • Jun 2010 - Jul 2011

      • Customer telephone technical support for broadband services (ADSL, VDSL, IPTV, VOIP, Email)• Troubleshooting in webhosting/domain, email configuration.▪ CPE / IADs Configuration

Education

  • I.I.E.K. Delta
    Network Engineering
    2007 - 2009

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