Tayfun Tatli

Experience

• 

  ATP

  Jun 2012 - now

  Network and Security Executive with over 8 years of experience in the industry, which includes expertise in the areas of Routing, Switching, Sd-WAN (Forcepoint), NAC (Cisco ISE ) , Data Loss Prevention DLP (Forcepoint) , Voice (Cisco, Avaya), Security (CheckPoint,Cisco,SonicWall,Cisco ASA Sourcefire,Palo Alto)• Administration of Palo Alto Next Generation Firewall• Administration of Cisco Asa Sourcefire and FirePower Modelus ( ASA 5585 ), DLP (Forcepoint), 802.1x NAC (Cisco ISE)• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST.• Responsible for the configuration, implementation and operation of Cisco• Designed ACLs, VLANs, troubleshooting IP addressing issues and taking back up of the configurations on switches and routers.• Monitor, evaluate & report on health of WAN/LAN Network.• Features & Services: IOS and Features, HSRP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP,DNS,TFTP• WAN/LAN experience TCP/IP• Providing documentation in CobIT (Control Objectives for Information and Related Technology) and financial controls• Configured Cisco Routers for BGP, OSPF, IGRP, RIPv2, EIGRP, Static and default route.• Firewall Management (Checkpoint, Cisco PIX, ASA, Fortinet, TMG, Juniper, Palo Alto)• Lan/Wan/Security Monitoring and Analyzing (PRTG, ManageEngine Netflow Analyzer, CP Smart View Tracker, ManageEngine Firewall Analyzer, Whatsup Gold Applications Manager)• Packet sniffer Analyzing ( WireShark )• Cisco Call Manager IP Phone Service Management• Administration Active Devices Network and Security Support to all other Ata Holding’s Companies• Administration Active Devices Network and Security Support to all Customers• Administration of Avaya IP Office PBX environment• Video Conferencing Systems Installation and Configuration (Cisco DX80, MX800 )• Participating the IT related seminars, workshops, conferences, and online training classes Show less Network and Security Specialist with over 8 years of experience in the industry, which includes expertise in the areas of Routing, Switching, Sd-WAN (Forcepoint), NAC (Cisco ISE ) , Data Loss Prevention DLP (Forcepoint) , Voice (Cisco, Avaya), Security (CheckPoint,Cisco,SonicWall,Cisco ASA Sourcefire,Palo Alto)• Administration of Palo Alto Next Generation Firewall• Administration of Cisco Asa Sourcefire and FirePower Modelus ( ASA 5585 ), DLP (Forcepoint), 802.1x NAC (Cisco ISE)• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST.• Responsible for the configuration, implementation and operation of Cisco• Designed ACLs, VLANs, troubleshooting IP addressing issues and taking back up of the configurations on switches and routers.• Monitor, evaluate & report on health of WAN/LAN Network.• Features & Services: IOS and Features, HSRP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP,DNS,TFTP • WAN/LAN experience TCP/IP• Providing documentation in CobIT (Control Objectives for Information and Related Technology) and financial controls• Configured Cisco Routers for BGP, OSPF, IGRP, RIPv2, EIGRP, Static and default route.• Firewall Management (Checkpoint, Cisco PIX, ASA, Fortinet, TMG, Juniper, Palo Alto)• Lan/Wan/Security Monitoring and Analyzing (PRTG, ManageEngine Netflow Analyzer, CP Smart View Tracker, ManageEngine Firewall Analyzer, Whatsup Gold Applications Manager)• Packet sniffer Analyzing ( WireShark ) • Cisco Call Manager IP Phone Service Management• Administration Active Devices Network and Security Support to all other Ata Holding’s Companies• Administration Active Devices Network and Security Support to all Customers• Administration of Avaya IP Office PBX environment• Video Conferencing Systems Installation and Configuration (Cisco DX80, MX800 )• Participating the IT related seminars, workshops, conferences, and online training classes Show less

  • Senior Network and Security Executive

    Jun 2023 - now

  • Network and Security Executive

    Nov 2020 - now

  • Network and Security Specialist

    Apr 2019 - Nov 2020

  • Network Techinal Specialist

    Mar 2014 - Apr 2019

  • Technical Assistant Specialist

    Jun 2013 - Mar 2014

  • System Operator

    Jun 2012 - Jun 2013