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Work History

2012Present

Senior Engineer Networks & Security

GCC Computers Ltd

Planning, Designing, and Troubleshooting multi-vendor and multi-platform networks of both major
Service Provider, Enterprise and Data Center networks.
Senior Network Engineer acting as Escalation Engineer for Support incidents. Supporting various
implementations of special and complex customer set ups.
Troubleshooting and Integration of Juniper, Fortinet and Cisco devices.
Pre-Sales (RFP/RFI) experience providing technical support, recommending networking solutions
and providing relevant documentation.

20102012

IP Backbone Coordinator

Wind Hellas

Participated in the design, provisioning and configuration of IP Backbone network elements.
Participated in the planning of IP Backbone resources and elements and in the relevant ordering
process.
Handled the production of configuration data for all IP Backbone network elements according to the
required network configuration and service deployment.
Handled design and configuration of IP implementation for mobile and fixed services.
Handled 3rd level troubleshooting of IP Backbone operational issues and problems.
Participated in meetings with suppliers, in order to fulfill IP Backbone core network and contractual
objectives as well as to investigate future products, updates and technologies.

20062010

IP Network Engineer

Kestrel Information Systems S.A

Planning, Designing, and Troubleshooting multi-vendor and multi-platform networks of both major
Service Provider, Enterprise and Data Center networks.
Senior Network Engineer acting as Escalation Engineer for Support incidents. Supporting various
implementations of special and complex customer set ups.
Troubleshooting and Integration of Juniper, and Cisco devices.
Pre-Sales (RFP/RFI) experience providing technical support, recommending networking solutions
and providing relevant documentation.

20032005

Engineer

Hellenic Telecommunications Organization S.A

xDSL Engineer Installation and support of xDSL CPEs of Business customers.

20022005

Pc/network Technician

Technimon Computer Applications

Installation,maintenance and support of residential and SoHo customers.

PROFESSIONAL TRAINING

20112011

Introduction To IOS XR

Cisco Systems
20102010

Juniper Networks Advanced Policy (EDU-JUN-APOL)

Juniper Networks
20102010

Configuring Juniper Networks Routers (EDU-JUN-CJNR)

Juniper Networks
20102010

Advanced Juniper Networks VPNs (EDU-JUN-VPN)

Juniper Networks
20102010

CCNP Routing and Switching

Hellenic American Union (Cisco Network Academy)

Certifications

Jun 2014Present

Security Support, Professional (JNCSP-SEC)

Juniper networks

Designed for experienced networking support professionals with intermediate knowledge of the Junos OS, this written exam verifies the candidate’s understanding of how to troubleshoot general issues related to Junos devices.

Jun 2014Present

Security, Professional (JNCIP-SEC)

Juniper networks

Designed for experienced networking professionals with advanced knowledge of the Juniper Networks Junos software for SRX Series devices, this written exam verifies the candidate’s understanding of advanced security technologies and related platform configuration and troubleshooting skills.

May 2014Present

Service Provider Routing and Switching Support, Professional (JNCSP-SP)

Juniper networks

Designed for experienced networking professionals with advanced knowledge of the Junos OS, this written exam uses scenarios to verify the candidate’s understanding of how to troubleshoot complex issues in supporting advanced service provider technologies related to Junos devices.

Apr 2014Present

Service Provider Routing and Switching, Professional (JNCIP-SP)

Juniper networks

Designed for experienced networking professionals with advanced knowledge of the Juniper Networks Junos OS, this written exam verifies the candidate’s understanding of advanced routing technologies and related platform configuration and troubleshooting skills.

Dec 2013Present

Security, Specialist (JNCIS-SEC)

Juniper networks

Designed for experienced networking professionals with intermediate knowledge of the Juniper Networks Junos software for SRX Series devices, this written exam verifies the candidate’s understanding of security technologies and related platform configuration and troubleshooting skills.

Oct 2012Present

Service Provider Routing and Switching, Specialist (JNCIS-SP)

Juniper networks

Designed for experienced networking professionals with beginner to intermediate knowledge of routing and switching implementations in Junos, this written exam verifies the candidate’s basic understanding of routing and switching technologies and related platform configuration and troubleshooting skills.

Aug 2006Present

Juniper Networks Certified Associate - Junos (JNCIA-Junos)

Juniper networks

Designed for networking professionals with beginner-intermediate knowledge of networking, this written exam verifies the candidate’s understanding of networking fundamentals, as well as core functionality of the Juniper Networks Junos OS.

Jul 2006Present

CCNP Routing and Switching

Cisco systems

Cisco Certified Network Professional (CCNP) Routing and Switching certification validates the ability to plan, implement, verify and troubleshoot local and wide-area enterprise networks and work collaboratively with specialists on advanced security, voice, wireless and video solutions.

Major Projects Involved

2016- Carrier Grade Nat for fixed network services at Vodafone Greece

  Design, Installation, Implementation of CGNAT solution with MX960 and Nat44/Ds-lite technologies. 

2016- Design, Installation, Implementation of Carrier Grade NAT project at Vodafone Hellas

 Swap of MX960 and  SRX3600 Gi firewall with a Juniper SRX 5800 cluster firewall.

2015- Design, Installation, Implementation of Carrier Grade NAT /Gi Firewall at T- Telecom Albania.

 Swap of old checkpoint  Gi firewalls with Juniper SRX 5400 cluster.

2015- Design, Installation, Implementation of Carrier Grade NAT Expansion project at Vodafone Hellas

 Expansion to accommodate more subscribers of Vodafone’s mobile users for the aforementioned project on MX960.

2014- Design, Installation, Implementation of Gi Firewall project at Vodafone Hellas       

 Swap of old Cisco ASA Gi firewall with a Juniper SRX 3600 cluster firewall.

2013-    Design, Installation, Implementation of Carrier Grade NAT project at WIND Hellas

 Design, Installation, Implementation of CGNAT solution to deal with IPV4 depletion with Cisco ASR 9000.

2013-    Design, Installation, Implementation of Carrier Grade NAT project at Vodafone Hellas

             Design, Installation, Implementation of CGNAT solution to deal with IPV4 depletion with Juniper

             MX960

2012-    Design, Installation, Implementation of  Electricity Authority of Cyprus (EAC) MPLS Network.

            Design, Installation, Implementation of an Mpls based solution for connecting EACs remote sites    and  HQ with Juniper             MX80 platform

2011-    Swap of Internet Border Gateway routers at WIND HELLAS.

               Swap of old Cisco GSR internet border gateway routers with new Cisco ASR 9000

2010-    Design and coordination of the IP/MPLS Project at WIND HELLAS.

                Consolidation of mobile and fixed network with Juniper MX960 routers

                 and mpls based solution.

2009- Design, Implementation, Installation and Support at TRING Albania Broadband network.

          Design, Installation, Implementation of Juniper MX960, Juniper EX switches and Juniper SRX 650 

          firewalls platform for broadband services.

2009- HELLAS ONLINE Bras Design, Installation, Implementation and Support Project.

          Design, Installation, Implementation of Juniper E320 platform for residential

         subscriber’s pppoe termination.

2008- WIND HELLAS Bras Design, Installation, Implementation and Support Project.

           Design, Installation, Implementation of Juniper E320 platform for residential

           subscriber’s pppoe termination.

2007- Hellenic Telecommunications Organization (OTE S.A.)Metro Ethernet network Upgrade.

           Installation and configuration of Huawei dslams and Switches .

2007- Design, Implementation and Support of Netone S.A Broadband network.

           Design, Installation, Implementation of Broadband Service Provider Netone end  to end network.

           Equipment used:Huawei Dslams,Juniper E320 Bras,Juniper ISG Firewalls,Huawei Switches