Andreas Giannakopoulos

Experience

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  ABS - ADVANCED BUSINESS SOLUTIONS INC

  Sept 2002 - Aug 2003

  Web Developer
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  OLIKON S.A.

  Jan 2007 - Oct 2007

  IT SUPPORT ENGINEER
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  Datacube

  Nov 2007 - Dec 2012

  IT Support Engineer
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  Freelance software developer IT support "self employed"

  Nov 2013 - Dec 2015

  IT Specialist Software developer
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  ΙΜΕ ΠΛΗΡΟΦΟΡΙΚΗ

  Dec 2015 - Jun 2022

  Network Engineer, IT Support Engineer

   IT member, interacting with both software engineers and software support teams. Designed implemented and managed, large scale networks, firewall, routers, Hotspot, WindowsServer applications, File servers, Active Directory, Group policies, Asterisk, FreePBX Voip, Replication andbackup. Virtualization implementations (Microsoft Hyper-V, Oracle VirtualBox , Vmware ESXI), designedcreated and managed VMs. Provided Software support on IME Informatics Software, software deployment, set up andcustomization to fit the customers needs, provided continuous support and troubleshooting, tasksinvolved even using SQL and accessing the databases directly. Troubleshooting and problem solving on hardware and operating system related issues (Windows,MacOS, Linux, Android). Work tasks were conducted in the office, remotely all over Greece and frequently traveled to thecustomers site for installations and upgrades.Overall achievements: excelling proficiency in large scale networks over multiple sites, providing solutionsto fit the budget assigned, supporting customers with 24/7 requirements, resolving issues or conductingmigrations with minimum downtime and overall ensuring data confidentiality integrity and availability. Show less

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  Citrix

  Jul 2022 - Jan 2024

  Field Operations Engineering Specialist

  Providing onsite IT support in Patras office and remote support for EMEA. (Service Now, Jira)Administration of enterprise SaaS products (Microsoft 365, Azure, Active Directory, Exchange Management Console, Okta, Thycotic, Citrix Director, Citrix Cloud. Citrix Workspace, Citrix Secure Access, Splunk, Microsoft Endpoint Manager (Intune), Apple CEM & Jamf, Google Workspace).Handling issues with users accounts , permissions and access rightsMaintaining and supporting Meeting rooms infrastructure, Printers, WiFi and Ethernet access.Working with remote network team on decommissioning existing AP and switches and replacing with Cisco Meraki, planning, installation of network equipment for the new setup, conducting installation first setup, testing and resolving local issues. Coordinating escalation of major issues with Level 3 operations, engineering and other business owner and cooperating with the relevant teams on handling and resolving issues.Tracking and managing assets, organising and managing local stock, arranging procurement of required equipment and organising ewaste of retired assets for Patras office and remote sites.Reimaging and installing tools on newly acquired assets (Windows and Mac), troubleshooting MacOS/Windows operating systems, resolving software issues and organising repairs by the vendors when required while in warranty.Creating training materials, using standard templates, for use by IT support teams and end users.Training new hires and educating existing users on corporate policies and security issues. Show less

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  TPL

  May 2024 - now

  System Administrator Network Engineer