Profileimage by Theodoros Skouras Galileo GMS Network Engineer, Senior Network & Security Engineer, Network Engineer from Thessaloniki

Theodoros Skouras


Last update: 23.12.2021

Galileo GMS Network Engineer, Senior Network & Security Engineer, Network Engineer

Graduation: Msc Information Technologies & Telecommunications
Hourly-/Daily rates: show
Languages: German (Limited professional) | English (Full Professional) | Greek (Native or Bilingual)


Firewall, CISCO ASA/ PFSense, Configuration network switches, routers, Wifi, Firewalls/IDS/IPS, Firewalls, Docker, SaaS, Proxmox, vmWare, Elastix, F5 Load Balancers, Galileo, Cyber Security, Security Monitoring, Configuration Management, debugging, Routers/Switches, Cisco Aironet Wifi, Barracuda Load Balancers, Virtualization, vSphere, Hyper-V, Slack/Lync/ASANA, Voip, Debian, Centos, Kali Linux, ISO27001, Cisco Switches, Cisco ASA, WAN, Wireless Network, Cisco Aironet, Cisco, Controllers, VPN, internetwork, Cisco Routers/Switches, IPS, Cisco Catalyst Switches 2924, 2950, 3550,3760X Stackwise 3950, Cisco Layer 3 Switches 6500, Cisco Routers, Barracuda WebFilter, Barracuda Antispam, HP Procurve Switches, local network, Cisco Catalyst Switches 2924, 2950, 3550, PHP, cedefop, europa, eu Page / 4, JQuery, MySQL, MongoDB, Python, Java, Shell scripting, DNS, Wireshark, Cacti, PRTG, Graphite

Project history

03/2018 - Present
Principal Network & DevOps Engineer
Self Employed (< 10 employees)

05/2017 - 08/2018
Galileo GMS Network Engineer
European Space Agency
Munich, Germany

As a Galileo GMS Network Engineer I am involved in the following tasks/duties:
* Monitoring & Control of GALILEO ground segment devices
* Performing Troubleshooting Activities
* Performing Contingency Activities
* Trouble Ticket Management
* Testing & Integration
* Review of element/segment operative procedures
* Contribution to preparation of reports

02/2015 - 05/2017
Senior Network & Security Engineer
Orange TS
Orange TS, Thessaloniki (Greece)

As a Senior IT Engineer i am involved both in the design/analysis procedure, in order to provide
optimal IT solutions to customers, and to the implementation of the IT solution. Having always
customer-centric approach and adhering to well defined methodologies.

© European Union, 2002-2015 | Page 1 / 4

Key role :

1) Analysis/Design of business needs.
2) Implementation of IT projects according to the business needs.
3) Maintenance of the overall infrastructure
4) Second & Third level support
5) Working knowledge & experience with one or more of the following domains in Cyber Security:
Security Monitoring (privileged activities, suspicious patterns)
Threat Intelligence
Secure Configuration Management
Vulnerability Management
Strong debugging and problem-solving skills
6) Clear understanding of information security, backed by a depth and breadth of supporting technical
knowledge and specialisms, especially in the field of Cyber Security

7) Expertise in the following technologies :

* CISCO Routers/Switches

* Cisco Aironet Wifi

* Fortinet NGFW

* Barracuda NGFW

* Barracuda Load Balancers,

* Virtualization (vmWare vSphere, Hyper-V)

* Dell Servers & Storages

* Collaboration tools such as Slack/Lync/ASANA

* Voip technologies (Cisco Call Manager, CUCM, Asterisk , FusionPBX)

* Debian, Centos, Kali Linux

* Strong knowledge of ISO27001

03/2008 - 02/2015
Network Engineer
Intrasoft International S.A.
Intrasoft International S.A., Athens (Greece)

As a Network Engineer i had participation in various network projects both in Public Sector and in
Private such as:
1) Network design & implementation of the Public Insurance Institution of Greece.
This project included Cisco Switches & Routers, Cisco ASA for the perimeter security, Barracuda
Load Balancers. More than 100 points of presence, directly connected to the main infrastructure, in
the whole country with WAN (BRI and Serial).
2) Network design & implementation of Mesh Wireless Network in the Port Authority of Piraeus, with
Cisco Aironet, Cisco Wireless Controllers and Cisco Switches & Routers.
3) Design and configuration of site to site VPN with private banks with Cisco ASA.
4) Network design & implementation of Greek Police internetwork with Fortinet appliances.
5) Network design & implementation of Ministry of Development with Cisco Routers/Switches and
Cisco ASA and IPS for the perimeter security.
6) Network implementation of the information system in Public Transportations of Athens, with HP
MSM Wireless Controllers and HP5800 Layer 3 switches.
* Hands on experience on the following networking products: Cisco networking devices such as :
Cisco Catalyst Switches 2924, 2950, 3550,3760X Stackwise 3950,Cisco Layer 3 Switches 6500,
Cisco Routers,
* Barracuda Loadbalancer, Barracuda WebFilter, Barracuda Antispam

© European Union, 2002-2015 | Page 2 / 4

Curriculum vitae

* HP MSM Wireless Controllers, HP Procurve Switches
* Fortinet FortiGate, FortiAnalyzer, FortiManager

07/2007 - 03/2008
Network Support Engineer
Velti S.A.
Velti S.A., Athens (Greece)

Member of the internal IT department
* Daily network and systems checks
* Redesign of the local network infrastructure according to the needs of the company
* Presales of network equipment.
* Hands on experience on the following networking products:

* Cisco networking devices such as: Cisco Catalyst Switches 2924, 2950, 3550

Time and spatial flexibility

Available to travel in Europe amd Middle East

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