SUMMARY

• 6+ years of experience in providing solutions, implementation, configuration and troubleshooting of Cisco Routers and switches, fine tuning of firewalls, VPN configuration, troubleshooting network related problems in Enterprise Network.
• Hands on experience in configuring Cisco Catalyst and Nexus switches and Cisco routers and Load Balancers.
• Experience with various LAN and WAN technologies and protocols like: - TCP/IP, VLAN, VTP, STP, EIGRP, OSPF, BGP, IKE/IPSec VPNs, NAT, DNS, MPLS and access list.
• Knowledge and experience on Protocols such as TCP/IP, SNMP, ICMP, NAT, PAT and also technologies like IPv6, Multicasting and MPLS.
• Firewall technologies including general configuration, risk analysis, security policy, rules creation and modification of Palo Alto.
• Knowledge of Juniper environment including SRX/Junos Space.
• Experience in addressing Cisco infrastructure issues, monitoring, debugging like routing, WAN outages, Network Hardware/Software failure, configuration and performance issues.
• Knowledge of installation, configuration, maintenance and administration of Checkpoint Firewall R55 up to R77
• Practical experience in Active directory, OU, DNS, DHCP, Group policy, Replication, Active directory domain trust relationship.
• Knowledge on Juniper SRX240, SRX220, and SRX550 series firewalls.
• Hands-on configuration and operational experience working on Juniper (SSG&ISG), SRX, Palo Alto Firewalls.
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Configuring, Administering and troubleshooting the Palo Alto firewall.
• Ability to Install, Manage & Troubleshoot Large Networks & Systems Administration on Windows & Linux platforms in Development, Lab & Production Environments.
• Configure all Palo Alto Networks Firewall models (PA-2k, PA-3k, PA-5k etc.)
• Also proficient in handling Network Monitoring tools and Packet capture tools, technical documentation and presentation tools and also has excellent analytical, organizational, problem solving & resolution skills.

TECHNICAL SKILLS

Routers: Cisco 7609, 2600, 2800, 3800, 3640, Cisco 3745, 7200 Series.

Switches: Cisco 3500, 4500, 5000, 6500 Catalyst Series Cisco 7000, 2000 Nexus Series

Firewall: Palo Alto, Juniper.

Load Balancer: F5-Big-Ip, LTM, Ax10.

Routing Protocols: BGP, OSPF, EIGRP, VRRP, HSRP, GLBP, and RIP.

Switching Protocols: STP, RSTP, PVSTP, VTP, ARP, and VLAN.

IP Services: DHCP, NAT, VLAN, DNS, FTP, TFTP, LAN/WAN.

WAN Technologies: ATM, ISDN, PPP, MPLS, ATT, 802.11, 802.11a, 802.11b, APLUS.

Network Technologies: IPsec, GRE, NAT/PAT, ACL, IPv4, IPv6.

Operating System: Windows XP, Vista, Windows 7, UNIX, SPLAT (Secure Platform), Linux

PROFESSIONAL EXPERIENCE

Confidential, Philadelphia, PA

Network/Firewall Admin

Responsibilities:

• Working with Network Design and implementation teams on various projects across North America and South America.
• Providing end-user network support for computers, network systems, cisco phones, printers and network peripheral equipment’s etc.
• Involved in Configuring and implementing of Composite Network models consists of Cisco 7200, 3800 series routers.
• Worked on Cisco 6509, 6513 and 4510 switches for LAN requirements that include managing VLANs, Port Security and troubleshooting LAN issues.
• Successfully installed Palo Alto PA-3060 firewalls to protect Data Center and provided L3 support for routers/switches/firewalls.
• Monitor, troubleshoot and support Local Area Networks (LANs) and Wide Area Network (WANs) and ensure network connectivity throughout the organization’s infrastructure.
• Deploying and decommission of VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.
• Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.
• Experience with manipulating various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
• Palo Alto Firewall support and deployment.
• Implementing and configuring F5 LTM's for VIP's and Virtual servers as per application and business requirements. Configured multiple IPsec VPN Tunnels to facilitate encryption of data on WAN circuits.
• Installed and Configured Checkpoint Firewall R71.
• Configured Security policies including NAT, PAT, Route-maps and Access Control Lists.
• Provide customer service on network related issue to all the employees.
• Hands on experience and good working knowledge with Checkpoint Firewall policy provisioning.
• Implemented Positive Enforcement Model with the help of Palo Alto Networks.
• Configured and set up of Juniper SRX firewalls for policy mgmt. and Juniper SSL VPN's
• Adding security rules and pushing the security policy on Checkpoint.
• Reviewing all changes to network configuration for technical accuracy and provide solutions to Multi-Protocol Network problems.
• Administer and support Juniper Firewalls Using NSM (Netscreen and ISG firewalls).

Confidential, San Francisco, CA

Network Engineer

Responsibilities:

• Responsible for entire LAN and WAN maintenance and troubleshooting of the company network.
• Involved in the team of Data Center Operations to perform duties like administration and deployment of Cisco Routers and Switches according to the organization requirements.
• Worked with the data center planning groups, assisting with network capacity and high availability requirements.
• Monitoring and troubleshooting network issues between client site and 85 remote sites with legacy switches and routers.
• Maintained complex LAN/WAN networks with several VLANS and provided support for routing protocols and also providing secure sessions over internet using IPSec and SSL encryption.
• Performing troubleshooting on slow network connectivity issues, routing issues that involves OSPF, BGP and identifying the root cause of the issues.
• Researched, designed, and replaced aging Checkpoint firewall architecture with new next generation Palo Alto appliances serving as firewalls and URL and application inspection.
• Palo Alto design and installation (Application and URL filtering, Threat Prevention, Data Filtering).
• Managed fast Layer 3 switched/routed LAN/WAN infrastructure as a part of Network team. The LAN consisted of Cisco campus model of Cisco 3550 at access layer, Cisco 6513 at distribution/core layer.
• Deployed Nexus 2000 series Fabric Extenders, Nexus 5000 series Fabric Interconnects and 7000 series switches. Deployed features like VPC, VDC, FEX links & OTV.
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Troubleshooting & configuration f complex VLAN, VTP, STP and inter VLAN communication using Switches & Routers.
• Configuration and support of Juniper Netscreen firewalls.
• Extranet changes to Cisco 6513, 6509 and 7204 series devices including FWSM firewall changes, routing switching changes and Juniper Netscreen based SSL VPN and ISG.
• Responsible for setting up the infrastructure environment with majority of Cisco & Palo Alto appliances apart from various other equipment.
• Configuration of Router using router protocols RIP, EIGRP, OSPF, BGP.
• Provide help desk assistance for all the company's accounts including onsite visits and remotely management of enterprise networks.

Confidential

Network Engineer

Responsibilities:

• Provided estimated bandwidth requirements for data replication, to best determine adequate timing for migration service levels.
• Planning, installation, configuration and ongoing maintenance of wired networking infrastructure including routers, switches, and configuring all necessary LAN / WAN protocols in support of wireless infrastructure.
• Maximizes network performance by monitoring performance; troubleshooting network problems and outages; scheduling upgrades; collaborating with network architects on network optimization.
• Configuring/Troubleshoot issues with the following types of routers Cisco (7200, 6500, 4500, 2600 and 3500 series), to include: bridging, switching, routing, Ethernet, NAT, and DHCP, as well as assisting with customer LAN /MAN, router/firewalls.
• Configuring, managing and troubleshooting networks using routing protocols like RIP, EIGRP and OSPF (Single Area and Multi Area).
• Assisted with troubleshooting all network issues with routers and switches when necessary and consulted with on call tech as needed for client.
• Assisted in network engineering efforts consistent with the infrastructure of an Internet Service Provider and support of such network services. Helped in designing and implementation of VLAN for the new users.
• Perform routine network maintenance checks as well as configure and manage printers, copiers, and other miscellaneous network equipment.
• Configuring of IP Allocation and sub netting for all applications and servers and other needs throughout company.
• Install and configure network services like DCHP, DNS, FTP and SNMP.
• Troubleshot the issues related to routing protocols.