Apostolos Vasileiou Email & Phone Number

• Responsible for working as part of a team that is continually improving the way it delivers its IT and networking services. More specifically:
• Acting as the technical escalation point within the networking team.
• Prioritising and troubleshooting complex network and systems issues, ranging from low-level hardware right through to application level.
• Providing network support to complex WAN and LAN networks.
• Completing hardware implementations, upgrades and repairs.
• Securing network systems by enforcing policies and monitoring access to them.

• Maintaining computing environment by identifying network requirements, installing upgrades and monitoring network performance by:
• Establishing network specifications by conferring with users; analysing workflow, access, information, and security requirements; designing router administration, including interface configuration and routing protocols.
• Securing network by developing network access, monitoring, control, and evaluation; maintaining documentation.
• Upgrading network by conferring with vendors; developing, testing, evaluating, and installing enhancements (Cisco, HP, Fortinet, Dell).Main Projects:▫ Redesign of internal WAN and LAN network▫ Design and implementation.

As member of the Network Security Department being responsible of ensuring the security of network from threats originating from inside and outside an organization. In addition, frequent audits were performed to ensure that the security policies are up-to-date and are being followed and take corrective steps where there are breaches.Main Projects:▫.

• Designing the network, including making decisions about the type of network that best suits the needs of the company, setting up the network by installing the hardware of the network and configuring the files or.
• Providing support to internal users and forecast any needed improvements and implementing any changes.

As a consultant, the responsibilities involved developing, designing and delivering networking and IP Telephony solutions,presales and second-level supportMain Projects▫ Alpha Bank: Design and implementation of highly available and secure data center network infrastructure that served the banking system for Alpha Bank Subsidiaries and also implementation.

• Design of networking solutions for customers
• Presales support
• After Sales support Main Projects▫ AIA (Athens International Airport): Implementation of Cisco IP Telephony▫ Athens 2004: Member of TOC and creation of network configuration templates▫ EMY: Design and implementation of.

Main Projects▫ OTEGLOBE:Implementation of multiservice, multinational network based on IP and ATM▫ SYZEYKSIS: Implementation of pilot phase for interconnection Greek Public Sector▫ COSMOTE S.A.: Redesign company's data network▫ STET S.A.: Design and implementation of an ISP consisting of more than 50 nodes

• Networking Technologies: TCP/IP, IPX, DECNET, ISDN, LANE, BRIDGING, X25.
• Routing/WAN protocols: RIP, EIGRP, OSPF, PPP, HDLC, X.25.
• Services: VoIP, VPN.
• Platforms:Cisco routers, Cisco access servers, Cisco hubs and catalysts, 3Com Gigabit switches, Cisco Secure, Resource Manager Essentials.
• Customer Training

• Synchronous/asynchronous data communications (E1, HellasCom, Frame-Relay, ISDN, Leased/Dialup Lines).
• Modem setup for both dialup and leased line connections – Voiceband / Baseband (Nokia, Multitech, Microcom,Zyxel, US Robotics etc.).
• Routing (RIP, IGRP, EIGRP, OSPF, BGP, mostly in Cisco Routers).

Undergraduate Electronics Engineer

Education record