SUMMARY

• Decisive, results - focused professional offering an experience of over 7 years in routing, switching, firewall technologies, network support and network security seeking a challenging position. Proficient in working on multi-vendor equipment and summed up with strong knowledge in data center operations.
• Expertise in Network design, implementation and network security in diversified industries.
• Excellent knowledge and experience on multi-vendor platforms like Cisco, Juniper, Bluecoat, Riverbed, Citrix, and VMware.
• Develop, design and implement firewall infrastructure surrounding Checkpoint and Cisco Firewalls and a good experience with security tools and protocols like NERC/CIP and SOX.
• Experience in Cisco FabricPath for private clouds and high-performance computing (HPC) environments.
• Experience in Juniper Switches, firewalls (SRX).
• Experience in managing DCX 8510 Directors and Brocade Edge switches and IronView Network Manager (INM).
• Experience in working with Cisco ASA 5500-X series and ASA 5585-X series.
• Experience on implementation for access and interoffice networks deploying CISCO 3750, 6500, 7609 Routers, Nexus 9k and 7k series switches.
• Experience in Global ITIL Network Support.
• Experience on configuring and troubleshooting issues related to RADIUS, TACACS, IPSEC Protocols.
• Knowledge in implementing and configuring F5 Big-IP LTM-3600, 6900 load balancers.
• Experience with various LAN and WAN technologies and protocols like: - TCP/IP, IPAM, VLAN, VTP, STP, EIGRP, OSPF, BGP, BFD, IKE/IPSec VPNs, NAT, DNS, DHCP, MPLS and access list.
• Sound knowledge and experience in SIEM, host and network based intrusion detection for log analysis to determine the threat pattern, attacks and anomalies on the network and SNORT, nCircle, DAM and WAF services
• Experience with multi-vendor load Balancers, WAN accelerators, proxy server, content filtering and also with automate network administration using applications like HPNA
• Plans and executes complex Network Upgrade and Network Migration activity.
• Sound knowledge on Virtualization, Servers, Operating Systems & Storage Networks.
• Worked with various Linux/UNIX Distributions like Ubuntu, Red Hat.

TECHNICAL SKILLS

Routing / Switching: EIGRP, OSPF, BGP, Route redistribution, Multicast, Policy based Routing, VRRP, GLVP, Cisc0 7XXX routers, Cisco 6XXX switches, Nexus 9k, 7k, 5k, 4k, 2k, Catalyst 6500, ISR, ASR, OTV, QOS, VLANS, VTP, RSTP, Ether Channel, Private Vlans, Cisco Nexus 1000v, NETbios, NFS, SMTP, STP, Port Fast, IP Access control lists, LAN:10/100/1000 & 10 GBPS Ethernet

Security & Remote Access: MPLS, VPN, Cisco ASA, Cisco IPS, Cisco (PIX/ASA), FWSM, Checkpoint Fw1/ NGX / Provider -1, VPN-1 Sonicwall TZ, McAfee Firewall Enterprise, Palo Alto Firewalls, Foritnet Fortigate, Juniper (SRX/Netscreen), Algosec, QRadar, Stealth Watch, Sourcefire, Zenoss

Services: Cisco ACE, GSS, WAAS, F5 Networks BigIP 1500, 3400, 6400 8900 LTM, GTM 5

Monitoring and Documenting: Cisco works, DCNM, Fabric Manager, Cisco LMS, Solarwinds, Wireshark, Visio, Smart draw

Wireless: Cisco Aironet, Dlink, Linksys, Wireless Security

Operating Systems: Windows Desktop and Server OS, RHEL, CentOS, Ubuntu, SUSE, Bash Script, Windows Active Directory, LDAP, Windows Servers 2003/2008/2012 , Windows 7, Windows Vista, Windows XP troubleshooting

Network Topology: Frame Relay, ISDN, Gigabit Ethernet, OSI and TCP/IP layered architecture

Scripting: Perl,Python

Network Management: SNMP v2, Cisco Works NCM, 3Com Network Analyzer, MRTG, Solar Winds NPM, TACACS, Spirent, IronView Network Manager

PROFESSIONAL EXPERIENCE

Confidential, Chandler, AZ

Network Administrator

Responsibilities:

• Design, configure and troubleshoot networks using routing protocols such as RIPv2, OSPF, BGP, BFD and route distribution.
• Reviewing project activities for compliance with procedures and standards.
• Inventory maintenance and system documentation.
• Troubleshooting and path failure detection using advanced protocols like BFD to provide fast forwarding path to all media types
• Configuring BFD Version 0 and Version 1 and troubleshoot issues related to multiple routing protocols running across same link.
• Working knowledge on Cisco ASA 5500-X series and ASA 5585-X series and well versed with security group tags and identity-based firewall.
• Working knowledge on InfoBlox and its implementation to secure servers from cache poisoning and DDos attacks.
• Using InfoBlox IPAM to add new hosts and networks to IPAM database and perform limited network discovery.
• Configured and deployed Cisco FabricPath Switching System (FSS) to improve efficiency and performance in a data center based application.
• Managing DHCP/DNS servers and identifying unauthorized devices and IP conflicts.
• Working knowledge of leveraging F5 devices for web acceleration and caching.
• Installed and configured F5 BigIp to provide load balancing for server across multiple datacenters.
• Worked with the data center planning groups, assisting with network capacity and high availability requirements.
• Worked on configuring VRRP/HSRP to support redundancy in datacenters.
• Filtering network traffic by configuring IP access list to comply with organization network policy.
• Installing and configuring Cisco Nexus 9k, 7k and their implementation with port channel and troubleshooting in a TCP/IP OSPF environment.
• Installing and configuring Cisco Nexus 9500 (modular) and 9300 (fixed) switches.
• Managing and troubleshoot Cisco Nexus 9300 switch through remote procedure calls.
• Actively participated in upgrading fast Ethernet, Layer 3 switched/routed LAN infrastructure from Cisco 3640 to Cisco 2811 ISR routers and switches at access level to 2950, 3550.
• Working knowledge on MPLS networks which provides a data-carrying service for circuit-based as well as packet-switching clients.
• Used security features on network devices to protect devices from inside attacks.
• Implementation of VLANs, STP configuration on Cisco 2900XL, 3750.
• Cisco routers and switches, application of TCP/IP, including routing protocols, IP subnetting and common TCP network applications such as Telnet.
• Establish LAN & WAN connectivity for different client hosting networks and ensure connectivity for all web & email services.
• Monitor traffic and access logs in order to troubleshoot network access issues.
• Gather information for specific technologies as to function and deployment configurations.
• Implemented GRE-tunnels for Cisco Routers and Configured ether channels using PAgP and LACP.
• Implemented WAN/Core based on ATM & Frame Relay on Optical SONET infrastructure. Quality of Service Classification and Marking (CoS, ToS), Congestion, Management & Avoidance (CQ, PQ, WFQ, CB-WFQ, RED, WRED, LLQ).

Confidential, Chicago, IL

Network Engineer

Responsibilities:

• Responsible for IP routing using BGP, OSPF, static routers and switching using STP/VTP/VLAB.
• Configured RSTP, MST and used VTP with 802.1q trunk encapsulation. Provided port binding and port security wherever required. Provided router redundancy through HSRP.
• Establishing and configuring Site-Site and SSL VPNs on Checkpoint and Cisco Firewalls and using IP access list.
• Deployment and maintenance of certificate authority.
• AAA services using Cisco ACS.
• Configuring IronView Network Manager(INM) which is used for IP network management.
• Setup and maintained CheckPoint-1 security policies including NAT, VPN and SecuRemote access.
• Monitoring and reporting using Cisco DCNM, Cisco LAN Management Solution.
• Anomaly detection using Cisco IPS.
• WAN optimization using Cisco WAAS.
• Providing root cause analysis for technical issues and document them accordingly, troubleshooting issues related to DHCP, DNS, Multicast, 1/10 GB, SNMP.
• Worked with Network Operations Center (NOC) to troubleshoot various network issues like TCP/IP, VLAN, MPLS, routing issues like RIP,OSPF,BGP
• Configuring BFD Version 0 to detect a path failure in EIGRP, OSPF routing protocol environment.
• Monitor and troubleshoot issues related to F5 and A10 Load balancers, Checkpoint Firewall, Fortinet, McAfee IDS.
• Migration of servers from one datacenter to another and then connecting them through Cisco Nexus 9k, 5k switches and troubleshooting issues.
• Advanced skills of designing, coding and troubleshooting iRules and iControls.
• Installed and configured of Cisco Switches 2950, 3500, 3750, 4500 and 6500 series.
• Installed and configured Juniper and Cisco Routers - GSR 12000, 7600series, 4500, 2800s.
• Worked with different WLAN devices e.g. WAP, Wireless Access Controller etc.
• Validating solution in lab before deployment.
• Traffic analysis using Wireshark.
• Failover, HA and data backup configuration on Firewalls, Routers and Switches.
• Responsible for configuration, firmware and inventory

Confidential, Chandler, AZ

Network Engineer

Responsibilities:

• Involved in configuring various protocols like EIGRP, OSPF, etc. for inter-site and intra-site connectivity.
• Tuning firewall to control web traffic for organizational compliance.
• Managing the support and provision of project tools and equipment along with data security, software and license control.
• Responsible for configuration, firmware and inventory.
• Installation and Configuration of Cisco routers 2500 series, 2600 series, 3600 series, 3800 series and 7200 series.
• Designed schemes for IP addressing, subnetting and routing policies using BGP/OSPF.
• Used BGP attributes such as Local preference, ASPATH and extended communities for path control/manipulation.
• Troubleshoot intra-net and internet connectivity issues using PING, Traceroute
• Configured VLANs with 802.1q tagging, Ethernet port-channels using LACP for redundancy and load-balanced access to servers
• Good understanding and working experience of Network Monitoring (SolarWinds), Routing implementations and support for MPLS/BGP related issues.
• Troubleshooting BGP/OSPF complex routing issues.
• Very good understanding of implementing MPLS based VPN for various enterprise customers
• Responsible for providing Network diagram & document for all locations using Visio, Excel and Word.
• Scheduled and carried out planned activity maintenance for persistent link problems to ensure optimal utilization of the links.
• Installing, configuring network devices in a data center including patching the cables in patch panel. Implementation of network infrastructure and configuring the entire network.
• Analyzed power requirements for the routers and testing tools and setting up the same
• Applied and configured Route-Maps as BGP Filters, and also implemented various changes in BGP policies to influence path selection
• Implementing changes in BGP Policy and supported multi area OSPF implementations.
• Configured OSPF summarization in a Multi area network consisting of Stub/Totally stub areas.
• Improvement of OSPF convergence timings by controlling LSA generation, LSA flooding, SPF calculation, LSA throttling.
• Improving OSPF convergence by controlling SPF algorithm, LSA/SPF throttling.

Confidential

Jr. Network Administrator

Responsibilities:

• Responsible for installing the Cisco, Microsoft and DLink products.
• Deploying the switching functions like VLANS, VTP, STP, Ether Channel.
• Used OSPF for inter-site and intra-site connectivity.
• Installing operating systems on user desktops and servers.
• Responsible for troubleshooting desktop user issues and other network devices like printers, scanners, etc.
• Configuring Cisco IP phones and Call Manager.
• Maintaining proxy server for enhancing web security and performance.
• Installed and maintained Virtual machines on user workstations.
• Validated server, desktop security settings and update patches.
• Reviews project activities for compliance with procedures and standards.
• Managing the support and provision of project tools and equipment along with data security, software and license control.