Security Consultant (Integration-PS), Zscaler Tech Lead

• Mar 2021 - Present

Network Security Engineer (L2-Global SOC)

• Nov 2018 - Mar 2021

-Troubleshooting and resolving high complexity customer faults. -Provide next level technical support for Level 1 Specialists. -When the resolution is not possible ensuring the fault is passed to the most appropriate group able to resolve it. -Perform service changes by assessing risk and implementing requests reported within the agreed Change Management process. -Resolve service problems by performing root cause analysis and designing action plans for unknown errors reported through Problem Management Dashboard. -Perform solution releases by authorizing, validating (changes, upgrades, updates, patches and migrations) and implementing them. -Design and implement Service Improvement Plans for top customers under supervision of top management. -Perform technical & management escalations as implied by the escalation process to ensure security tasks are progressing toward resolution and/or completion Our daily work includes working on several platforms such as o Juniper Firewalls (Netscreen ,SRX) o Checkpoint Firewall (R65,R71,R75.40,R77) o Fortigate UTM, FortiManager and FortiAnalyzer. o Palo alto NGFW o F5 BIGIP LoadBalancers o Juniper SSL (pulse secure) o Juniper IDP o McAfee IPS o Bluecoat proxy o Zscaler proxies o Cisco IronPorts Proxies o Cisco Switches o Safenet Cloud Authentication Servers Show less

Senior Network and Security Engineer

• Jan 2014 - Oct 2018

-Implement and administrate multi-vendor NGFW (Palo Alto, Fortinet, Cisco, Cyberoam).-Administrate Cisco Routers, Switches, Wireless LAN Controller and access points.-Administrate Cisco ISE.-Deploy switches security features (DAI/DHCP snooping/IP source guard/BPDU guard/port security/VLAN hopping.-Implement variety of VPNs (S2S, DMVPN, EzVPN, SSL client) on different devices.-Troubleshoot network issues of Vlans, HSRP, Ether channels, ACL, AAA, NAT, PBR, VPN.-Administrate Kaspersky Security Center Server.-Administrate Microsoft Active Directory Windows server 2008, 2012. Show less

Network and Security Engineer

• Aug 2010 - Jan 2014

-Administrate Cisco Routers, Switches, Wireless LAN Controller and access points.-Deploy switches security features (DAI/DHCP snooping/IP source guard/BPDU guard/port security/VLAN hopping.- Providing, securing and monitoring internal-External network activities.-Administrate Microsoft Active Directory Windows server 2008, 2012.-Administrate MS Office 365 Portal.-Administrate Elastix VoIP Server.-Configure IP Phones (Polycom and Cisco).- Giving suitable required privilege for accessing both internal and external resources.- Deciding technical specification for all IT purchased equipment's, components & software.- Do the required Configuration and installation of a new hardware for the whole network.- Ensuring that the backup policy is being applied using the most efficient way. Show less

Technical Support Leased Line Engineer

• Mar 2010 - Jul 2010

- Handle and troubleshoot leased lines connections problems. - Troubleshoot VPN MPLS, Layer2 VPN, Layer3 VPN, and internet connections. - Dealing with Cisco routers 7200, 3600, 1700, 1600 and Cisco Catalyst switches, ATM switches, ATM DSLAMs, Modems, Huawei NE40, NE20, IPDSLAMs 5600, Juniper Routers. - Contribute with the other teams to ensure that the customers problems are totally solved. - Escalate to the next level and do the proper handover. - Handle and troubleshoot leased lines connections problems. - Troubleshoot VPN MPLS, Layer2 VPN, Layer3 VPN, and internet connections. - Dealing with Cisco routers 7200, 3600, 1700, 1600 and Cisco Catalyst switches, ATM switches, ATM DSLAMs, Modems, Huawei NE40, NE20, IPDSLAMs 5600, Juniper Routers. - Contribute with the other teams to ensure that the customers problems are totally solved. - Escalate to the next level and do the proper handover.