- Piraeus University of Applied Sciences 2009-2014
- Current Company 2020 - Present
Maintenance and monitoring of Netcool distributed and high availability cluster infrastructure of Nordic customers Unix / Aix, Linux server infrastructure, db2 sql databases, Perl and Java apps Provide consultancy on Ansible projects for Cloud automation after red hat acquisition as a Devops, Bash for scripting Work with senior OS sysadmins to manage large, complex projects and provide detailed troubleshooting
- AT&T 2018 - 2019
Plan and deploy software upgrades on US network Infrastructure. Mainly Voice Core Servers and Radio Access network devices. Unix and solaris servers, Cli manager and Bash scripts Work with senior Advanced Tech support to troubleshoot and limit customer impact.
- AT&T 2017 - 2018
Supervise and maintain Radio Access infrastructure. Implementations for new 4G and 5G upgrades. Network Management with Nokia and Ericsson Management systems, unix and solaris, AMOS and Winfiol Work with field Technicians to support, troubleshoot, isolate problems, report outages and limit customer impact.
- Xerox 2014 - 2017
Maintenance and day to day support of large account customers MPS solution, Pre and Post sales support Single point of contact and primary country escalation point supporting field techs and customer IT Work with senior software and hardware analysts providing resolution details, Root cause and monitor SLA
- Vodafone 2014 - 2014
Participated in two, two month sale project cycles Telephony, Voip services, Mobile services, customer service
- Attica Gas company 2013 - 2014
GIS and strategic planning department, ArcGis admin, providing analysis, support and data-map reports Autocad designs, drafts, drawings, rural buildings and gas pipelines
- Freelance Computer Engineer 2010 - 2013
Personal computer support, builds, software installations Home personal and office networks, Greek ISP routers setup and web page hosting