Michalis Daskas

• Designing, maintence and troubleshooting of the Metro ethernet, IP Backbone, ISP MPLS, LAN/WAN
• Working in a Multivendor ISP network environment with the biggest Vendors in market (CISCO, JUNIPER, FORTINET)
• Expertise knowledge on CISCO products and software (all Cisco flavors IOS, IOS XE, IOS XR)
• ASR 920 all models.
• CISCO 4000 Series ISR 4321, 4431 - CISCO 800 Series C881, C888 - CISCO 3400,NCS-520
• Metro Aggregation (CISCO7609, NCS-540, NCS-5500, C-7600, C-ASR-9000)
• IP Backbone/ IP CORE (ASR-9001, C-7200, C-ASR-9000, ASR-9910)
• Good knowledge on Juniper products and softwares
• IP CORE - J-M10i, J-MX960, MX104
• Advanced knowledge on Fortinet Products with hands on experience (Fortigate 40F, 60F, 70F, 90G, 100F, 600E).
• Software products with hands on experience (Fortianalyzer, FortiManager, Fortiportal,Forticlient)
• Experience on the design of SD-WAN and SECURESDWAN projects
• Advanced hands on experience on Fortinet infrastructure technologies (High-availability (HA cluster, split-brain etc), Health monitoring, Routing, NAT, VDOMS, FSSO, ZTNA, IPSEC VPNs, SSL VPNs, BGP (features such as dynamic bgp, bgp self-healing).
• SDWAN Architecture (Hub&Spoke , ADVPN ,ECMP,sla-based routing,ZTP)
• Advanced hands on experience on Fortinet security technologies (Secure SDWAN, Firewall Policies, SSL Inspection, IPS, Application control, Antivirus, Web Filtering,DNS filtering, Custom Security Profiles, Security Fabric designing).
• Routing Protocols (EIGRP, OSPF, OSPFV3, BGP, MP-BGP) Advanced hands on experience
• IP network design and implementation of corporate customer services (Internet, VPLS, E-lines ,AtoM,QoS,L2vpn,L3vpn,Traffic-Eng tunnels) over Metro Ethernet networks and transport over IP MPLS backbone
• Participating in Syzefxis II project's roll-out, connecting public bodies to central hubs
• IP network design and implementation of all corporate customer services
• WEB services, Data circuits, MPLS L2VPN/L3VPN, BGP for our Customers or Provider Independent Corporate Customers
• VOICE services, SIP TRUNK, TDM (asr920 with PRI)
• Designing of Qos Mechanisms (Queuing, Marking, Shaping, WRED, Policing)
• DDOS activation for Corporate Customers (ARBOR)
• Lead Engineer on Most valuable B2B projects in my company
• ERT project Design-rollout (168sites)

- Dual Hub&Spoke Design.

- L2vpn VPLS Redundancy.

- MPLS IP SLA.

- QoS.

- MPLS traffic-Eng tunnels.

- Design with Automation tools(Ansible+Jinja).

• SecureSDWAN projects.
• Mobile IP Migration of old firewall Cisco ASA ipsec vpns to the new Firewall Fortigate 600F
• DEDDIE IoT Project(Designing&Implementation).
• Eurobank design and rollout of 168 branches (Hub-spoke topology, L3vpn, IPSLA)
• BGP designing (iBGP, eBGP, MP-BGP).
• OSPF designing (Areas,LSA types,Redistribution,adjacencies).
• MPLS (L2VPNs, L2VPNs, L2PtP, EoMPLS, VPLS over MPLS, EVPN, Traffic-Eng, Pseudowires).
• Hands on experience in Secure Access Control field: AAA server (RADIUS, TACACS +), Rancid
• Hands on experience in Network Analysis Tools: Wireshark, IP SLA, SPAN, RSPAN, ERSPAN, SNMP, NETFLOW, monitoring (Cacti, solarwinds)
• Designing of VPNs: GRE, IPSEC, DMVPN, ADVPN ,SSL.
• Excellent knowledge in Design, Implementation and Troubleshooting of all b2b services for both exWind and exForthnet ISP networks.

• Implementation of network projects for our customers (Network Architecture, Routing, Switching, Security, QoS)
• Good understanding of Mikrotik, Ubiquiti, TP-Link and Cisco devices (routers, switches, access-points, Point-to-Point and Point-to-Multipoint Antennas, managed switches and poe switches, Network Controllers, Antennas for Air-fiber etc)
• I contributed to the big project of the company in building our own Internet Service Provider through wireless pairs mostly
• Security policies with firewalls, ports security, Acls (extended, named), mac-filtering, network analysis with tools such as wireshark
• VLANS (Voice Vlans, Management Vlans, Dot1q, VTP, DTP, Vlans Trunking, Inter-Vlans, Router on stick, L3 switch)
• STP
• Dynamic routing (EIGRP, OSPF)
• BGP Designing in order to build the WISP (BGP peer groups, Communities, attributes, filtering, route maps and prefix lists, BGP Authentication and best practices to prevent BGP hijacking or leaks)
• NAT implementation for our Customers
• Install, repair and maintence hardware infrastructures (Network Cables CATE5e, CAT6, FTP, multimode fibers, modems, routerboards, switches, patch panels)
• Worked with Mikrotik products such as (CCR1009 router, CCR1072 router, RB4011 router, RB951, RBCap AP, CRS112 Switch, CRS all the versions)
• Worked with Ubiquiti products such as (Ubiquiti AIRFIBER 5XHD, PowerBeam all the versions, LiteBeam, Edge Switch, UNIFY Switch all the versions)
• VPN implementations (GRE, IPSEC, GRE OVER IP TUNNEL, GRE OVER IPSEC, DMVPN, OPENVPN)

• Customer Support
• Call Center support Inbound, Outbound
• Working with tools such as Oracle CRM Right Now, UIP Tool, Microsip
• Remote support on company tools
• Emails management

• Call center agent (Inbound, Outbound)
• Technical support on Main Distribution Frame (MDF)
• Network cables measuring and testing
• Installation, repair and maintenance VOIP technologies (hardware & software)
• Installing, configuring and supporting network equipment including routers, servers, switches, DNS and DHCP
• Troubleshooting on Network issues
• Configuring firewalls, routing and switching on Military base network
• Field services engineering
• Setting up, developing and maintaining computer networks
• Troubleshooting on a PSDN/ISDN lines issues such as (Hec, Fec, Crc, Latency, Jitter, Packet loss)
• Packet and Malware analysis with a variety of tools such as Wireshark, Tshark, Nmap
• Server room management
• WLANS installation, repair and maintenance (Architecture, Access Points, Wireless Controllers, Security)
• Troubleshoot, diagnose and resolve software, hardware issues

• Install, repair and upgrade PSTN/ISDN lines
• Technical support on ADSL/VDSL (vectoring, super vectoring) issues
• Network testing and measurements with variety of tools such as ARGUS 152, VIAVI
• Solving network and telecom cables issues
• Customer support on variety of network & telecom problems
• Good knowledge and technical support on VOIP technologies
• Technical support on Network Main Distribution Frame (MDF)
• Good knowledge on Network and telecommunications measurements such as RC, TDR, COPPER BOX
• Maintenance and troubleshooting of network devices