SUMMARY

• Cisco Certified Network Engineer with 7+ years of experience in Routing & Switching and Security. It involves designing, deployment and providing operational support for a broad range of LAN / WAN protocols.
• Excellent working knowledge of TCP/IP protocol suite and OSI layers
• Good knowledge and experience in Installation, Configuration and Administration of Windows Servers 2000/2003, Active Directory, FTP, DNS, DHCP, TFTP, Linux OS under various LAN and WAN environments
• Effective inter - personal skills, adaptive to any environment, keep abreast with the latest technologies and delivering solutions as an individual and as part of a team.
• Troubleshooting and installing of CRS, ISR, GSR, ASR9000 and Nexus devices.
• Experience in testing Cisco routers and switches in laboratory and deploy them on site production.
• Worked on Load Balancer F5 LTM, GTM series like 6400, 6800, and 8800.
• Strong knowledge on Wireless Standards and Technologies, i.e. Ethernet, WAN, LAN, IEEE 802.11 (Wi-Fi). Very good knowledge on IEEE 802.15.1 (Bluetooth), IEEE 802.15.31a (UWB), IEEE 802.15.4 (ZigBee), Cognitive radio networks, Mesh networks, etc.
• Strong hands on experience in installing, configuring, and troubleshooting of Cisco 7600, 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches ASR 9k, CISCO CRS.
• Designing, Implementing and Troubleshooting Cisco 3750, 3550, 3560, 2924, 6509-V-E, 6513, 6504, 6503, 6506, 6500 series switches.
• Strong hands on experience on PIX 535, ASA (5520/5540) Firewalls. Implemented security policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS)
• Expertise in network protocols, Firewalls and Communication Network design.
• Strong grasp of current and future technologies including TCP/IP, IPv4/v6, RIP, EIGRP, OSPF, BGP, Frame Relay, ACL, VPN, Wireless LAN and configuration of VLANS.
• Strong knowledge on Wireless Standards and Technologies, i.e. Ethernet, WAN, LAN, IEEE 802.11 (Wi-Fi). Very good knowledge on IEEE 802.15.1 (Bluetooth), IEEE 802.15.31a (UWB), IEEE 802.15.4 (ZigBee), Cognitive radio networks, Mesh networks, etc.
• Provided 24x7x365 availability and on-call support as required
• Responsible for Check Point and Cisco ASA firewall administration across global networks.
• In-depth knowledge of deploying and troubleshooting LAN, WAN, Frame-Relay, Ether-channel, IP Routing Protocols - (RIPV2, OSPF, EIGRP & BGP), ACL's, NAT, VLAN, STP, VTP, HSRP & GLBP
• Strong hands on experience in layer-3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, 2K series, Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches
• Analysis of packets using ether-peek and troubleshooting network problems related to IP address, routing, VPN connections, and firewall changes.
• Monitoring network maintenance activities and implementing efficient troubleshooting techniques to achieve maximum network uptime.
• Designed MS scripts to automate daily tasks. Responsible for maintaining and updating the internal and external IP allocation.
• Creating specific data-traffic policies for allowing or denying host and/or network access
• Highly enthusiastic, creative team player with project implementation, analytical, interpersonal and communication skills.

TECHNICAL SKILLS

Cisco Routers: Cisco 7606, 7609, 7200, 7613, ASR 9K

Switches: Nexus 2K/5K/7K, Cisco Catalyst 2900, 3500, 3700, 6500, 4500

Juniper Routers: M (20E, 40E, 10i, 40i), Switches EX 4200

ALU: 7750 Service Router, 7210 SAS (Service Access Switch)

Data Center: VDC, VPC, Fabric Path, FEX

Load Balancer: F5 Networks (Big-IP) LTM 8900 and 6400.

Redundancy and management: HSRP, RPR, NSF/NSR

Routing Protocols: RIP, EIGRP, OSPF, BGPv4, MP-BGP, ISIS, PBR, Route Filtering, Redistribution, Summarization, and Static Routing

WAN Protocols: PPP, HDLC, Channelized links (T1/T3), Fiber Optic Circuits, Frame Relay

LAN: Ethernet (IEEE 802.3), Fast Ethernet, Gigabit Ethernet

Security Technologies: Cisco FWSM/PIX/ASDM, Nokia Checkpoint NG, Juniper SRX

Physical interfaces: Fast Ethernet, Gigabit Ethernet, Serial, HSSI, Sonet (POS)

Layer 2 Technology: VLAN, VTP, ISL, dot1q, DTP, STP, PVST+, RPVST+, MST, MLS, Ether Channel

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

QOS: CBWFQ, LLQ, WRED, Policing/Shaping.

Network Management: Wireshark, SNMP, Solarwinds

Testing: Spirent (Tested QoS for various classes of Network Traffic)

Programing: C, Python

PROFESSIONAL EXPERIENCE

Confidential, Roseland, New Jersey

Sr. Network Engineer

Responsibilities:

• Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 70105000 series to provide a Flexible Access Solution for datacenter access architecture.
• Worked with F5 Load Balancer.
• Experience migrating Company Partner IPSEC VPN from one data center to another data center.
• Experience working with Converting OSPF to BGP as the WAN protocol.
• Network Redesign for branches/Campus Locations. This includes changes to both the voice and data environment.
• Experience working with converting Cisco IOS to Cisco IOS XR. I also worked with ASR 9000 with IOS XR.
• Experience working to replace WAN routers due End of Life Project, and during the process I did convert from Cisco 6500 WAN router to ASR 1002, 1004 with Gigabit and OC3 modules for different campus designs.
• Experience configuring Virtual Device Context in Nexus 7010.
• Design and manageMPLSWAN network (usingBGPand EIGRP routing) and associated Cisco components and devices
• Migration Network, Firewall and F5 Load Balancer infrastructure from one data-center to another data center.
• Experience writing the test case scenarios for protocol failover and Devices certification purposes. Project like writing test plan for redistribution of OSPF into BGP, writing test plans for VRRP, Writing test plan for Devices failover or protocol failover, writing test cases for SNMP protocol testing.
• Configuring Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-210
• Working with Cisco for opening TAC Case and resolving to project deadlines.
• Experience in Configuring, upgrading and verifying the NX-OS operation system.
• Configuring RIP, OSPF and Static routing on JuniperM and MX series Routers
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
• Worked with projects like redesign the 6000 User Campus Environment and 150 User Branch Environments for Cisco Routers and Switches and Also later convert these sites from Point to point links to MPLS Links
• Worked on Projects like Setting up New Branch locations, Projects like changing routing of the location (EIGRP to OSPF), projects like adding new switches/routers to the network
• I did upgraded the IOS on the ASA and also have done IOS upgrades on Cisco routers and switches
• Experience indeploying EIGRP/BGPredistribution and the changing the metrics for the primary and backup paths for the packet prioritization
• Involved in iRules management like loading rules, writing iRules syntax using TCL language in F5 LTM
• Hands on Experience testing iRules using Browser(IE), HTTP watch
• Responsible for Cisco ASA firewall administration across our global networks
• Support customer with the configuration and maintenance of PIX and ASA firewall systems
• Projects like adding firewall rules, NAT, security contexts, Failover, Object groups, IP sec VPN between ASA firewalls.
• Experience with Designing, Implementing and Troubleshooting Cisco Routers and Switches using different routing protocols like RIP, OSPF, EIGRP, BGP, ISIS & MPLS L3 VPN, VRF, RD, RT, Hands on experience with LAN protocols like STP, RSTP, VTP, VLAN and WAN protocols like Frame relay, PPP, port channels protocols like LACP PAGP
• High BandwidthMPLSWAN links, OSPF Redistribution toBGP, Replaced legacy Layer 2 Network with a fast converging layer 3 network.
• Experience with working on cisco routers like 3800, 3900, 2800, 2900, ASR1002, GSR 12016, 7200, 7600, Nexus 7k, Nexus 5k
• Experience with working on cisco switches like 2960, 3750, 4500, 6500
• Experience with working on Juniper Routers like, M320 and MX80, MX960, MX480. Experience with working on juniper switches like EX2200, EX2500
• Experience with working on firewall series like ASA5510, 5520, 5550
• Installation & configuration of Microsoft Proxy Server 2.0 and InfoBlox DNS, DNCP and IP Address Management

Environment: In Corporate office architecture with highly reliable & secured network including Cisco routers (7200, 3800, 2800) and Cisco switches (6500, 3700, 4900, 2900), Nexus(7K, 5K & 2K) Routing Protocols (EIGRP, OSPF, BGP), Switching protocols (VTP, STP, GLBP,HSRP), Cisco PIX(525, 535), ASA(5505, 5510) firewall

Confidential, Sacramento, CA

Sr. Network Engineer

Responsibilities:

• Installed and configured Cisco ASA 5500 series firewall and configured remote access IPSEC VPN on Cisco ASA 5500 series
• Responsible for Configuring SITE TO SITE VPN on Cisco Routers between Head Quarters and Branch locations
• Implemented the security architecture for highly complex transport and application architectures addressing well known vulnerabilities and using access control lists that would serve as their primary security on their core & failover firewalls
• Installation & configuration of Cisco VPN concentrator 3060 for VPN tunnel with Cisco VPN hardware & software client and PIX firewall
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems
• Implementation of name resolution using WINS & DNS in TCP/IP environment
• Configured FTP server for inside/outside users & vendors
• Used various scanning and sniffing tools like Wire-shark
• Enabled STP Enhancements to speed up the network convergence that include Port-fast, Uplink-fast and Backbone-fast
• Troubleshoot latency and throughput issues onMPLSand Dedicated Internet Access circuits
• Configured network access servers and routers for AAA Security (RADIUS/ TACACS+)
• Other responsibilities included documentation and change control
• Worked on Cisco routers 7200, 3800, 2800 and Cisco switches 4900, 2900
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include
• Configured Firewall logging, DMZs & related security policies & monitoring
• Creating Private VLANs & preventing VLAN hopping attacks & mitigating spoofing with snooping & IP source guard
• Hands on Experience working with security issue like applying ACL’s, configuring NAT and VPN
• Documenting and Log analyzing the Cisco ASA 5500 series firewall
• Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security
• Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network administrator during any major changes and implementation
• Routing protocols OSPF, RIP & BGP
• Configured BGP for CE to PE route advertisement inside the lab environment
• Spearheaded meetings & discussions with team members regarding network optimization and regarding BGP issues

Confidential

Network Engineer

Responsibilities:

• Hands on experience with Cisco 3500, 2950 series equipment and configuring and deploying from the scratch and fixing them with various modules like Gig card, T1-WIC card and other modules
• Experience in deploying EIGRP/BGP redistribution and the changing the metrics for the primary and backup paths for the packet prioritization and EIGRP tuning
• Involved in designing data communications and networks utilizing that utilize a mixture of frame relay, point to point T1, T3 & OC3 lines
• Involved in designing and applying QOS to 2600 series routers for all the branches
• Experience in configuring routing protocols like EIGRP, RIP v2, OSPF & BGP and Cisco ACS protocols like RADIUS and TACACS
• Coordinated with senior engineers with BGP/OSPF routing policies and designs, worked on implementation strategies for the expansion of the MPLS VPN networks
• Involved in IP Quality of Service (QoS) implementation including Priority and Class-Based Weighted Fair Queuing, IP Precedence, DiffServ.
• Implementation of name resolution using WINS & DNS in TCP/IP environment
• Spearheaded meetings & discussions with team members regarding network optimization and regarding BGP issues
• Implemented the concept of Route Redistribution between different routing protocols
• Switching related tasks included implementing VLANS, VTP, STP and configuring on Fast Ethernet channel between switches
• Enabled STP Enhancements to speed up the network convergence that include Port-fast, Uplink-fast and Backbone-fast
• Routing protocols OSPF, RIP & BGP
• Configured BGP for CE to PE route advertisement inside the lab environment
• Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network administrator during any major changes and implementation
• Configured Firewall logging, DMZs & related security policies & monitoring
• Creating Private VLANs & preventing VLAN hopping attacks & mitigating spoofing with snooping & IP source guard
• Hands on Experience working with security issue like applying ACL’s, configuring NAT and VPN
• Other responsibilities included documentation and change control
• Worked on Cisco routers 3700, 2600 and Cisco switches 2950