• Certified network security engineer with 10+ years of hands-on experience in Designing, Implementation, Configuration, Migration and Troubleshooting.• Experience in design, installation, configuration, administration, troubleshooting and maintenance of complex network systems including Palo Alto, Checkpoint, ASA, McAfee IPS/IDS, DNS, VPN, Email Gateways, SIEM, Cisco routers, NEXUS, Cisco Catalyst Switches, F5 Load Balancers, CLOUD (AWS, Azure, GCP). • Excellent troubleshooting, problem solving, analytical and logical thinking skills. Worked on DDOS attacks to blacklist and whitelist the IPs, URLS, Domains with vendors.• Extensive knowledge and experience of proficiently handling complex mission critical projects under extreme time constraints• Proficient in technical and non-technical communication in both oral and written.

Worked on cloud technologies (AWS and Azure), Palo Alto Networks 5.0 and 6.0,7.0,7.1(7080, 7050, 5060), Checkpoints(12k) - SPLAT and GAIA, ASA - pix to 9.x, DDOS attacks, Mitigation, VPNs, F5, AAA, DNS Men and Mice, Cisco Ironport Email, Cisco Security Manager, Remedy, TACACS, nagios, Firemon, Riverbed, Juniper SSL VPN, McAfee IPS, QRADAR, infrastructure upgrades, IOS upgrade, Migration from ASA to Palo Alto, Checkpoint to Palo Alto, fwsm to ASA etc.

Worked on Checkpoints(12k) - SPLAT and GAIA, ASA - pix to 9.x, DDOS attacks, Mitigation, VPNs, F5, AAA, DNS Men and Mice, Cisco Ironport Email, Cisco Security Manager, Remedy, TACACS, Riverbed, McAfee IPS, QRADAR, infrastructure upgrades, IOS upgrade, Migration from fwsm to ASA, Nexus, 6500, Routers, VPN, AAA, SNMP, Network outages, OSPF, Troubleshooting, DHCP, wireshark, etc.

Worked on Checkpoints, ASA - pix to 8.x, VPNs, AAA, DNS, TACACS, infrastructure upgrades, IOS upgrade, 6500, Routers, VPN, SNMP, Network outages, OSPF, Troubleshooting, DHCP, wireshark, etc.

Firewalls: ASA 7.x-8Cisco router platforms: 2500, 2600, 2800, 3600, 3700, 3800, 7200, 7609.Cisco Switch platforms: 2900XL, 2950, 2960, 5500, 3560, 3750, 4500, 6500 and Nexus (7K, 5K, 2K).Load Balancer: Cisco ACE 4700 series. WAN Technologies: FRAME RELAY, PPP, ATM, MPLS, leased lines.LAN Technologies: Ethernet, Fast Ethernet, Gigabit Ethernet.Cisco Secure Access Control Server (ACS) for TACACS+/Radius.Network Securities: NAT/PAT, VPN, URL Filtering, Load Balancing, IDS/IPS, SSH, IPsec, and ACL. Routing Protocols: RIP, IGRP, EIGRP, OSPF, BGP, IS-IS, IPv6.Switching Protocols: VLANs, Dot1Q, VTP, STP, RSTP, VLAN Maps, HSRP, GLBP and Port Security.Network Monitoring Tools: Syslog, Riverbed, TFTP, Solarwinds servers and OPNET, Wireshark, Cisco Works, MARS.Telecom Technologies: LTE, GSM, CDMA 2000, WCDMA, HSPA, GPRS, OFDMA.Documentation Tools: VISIO, MS Word, MS Excel, MS Power Point.

Worked with the networking team on routers and switches learning basic stuff.Basic Configuration of Cisco routers 2600 series, 3600 series.Troubleshoot TCP/IP problems; troubleshoot connectivity issues in Ethernet networks.Configured and implemented VLANs on local network.Updated ios versions on catalyst switches and routers by creating a backup on TFTP server and loading back new versions from TFTP server.Performed password recovery procedures on switches and routers.

Configuration and Administration of Windows 2000 and Windows 2003 servers, TCP/IP and OSI layers, Physical cabling, IP addressing, sub-netting, VLSM, CIDR, Strategically install and upgrade network computer applications, upgrade and maintain computer hardware, and perform critical backups.Creating new users id and privileges, crimping of Ethernet cables.