SUMMARY

• CCNP certified network engineer with overall 8+ years of experience in IT industry which includes expertise in the areas of Routing, Switching, Firewalls management, IP sec VPN management, and Administration and troubleshooting.
• Proficient in configuration & troubleshooting of routing protocols: MP - BGP, OSPF, EIGRP, OSPF, BGP and MPLS.
• Involved in configuration setup and troubleshooting of Cisco IOS and juniper devices to perform functions at the Access, Distribution, and Core layers.
• Experience working with Nexus 7010/Nexus 7018, 5020, 2148, 2248 devices.
• Experience working with Cisco Nexus2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for a datacenter access architecture.
• Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Cisco NX-OS 5000.
• Hands on experience in troubleshooting and deploying of various IP Routing Protocols OSPF & BGP on Juniper routers.
• Implemented security policies using ACL, Firewall, IPsec,GRE tunneling, VPN, AAA Security TACACS+, and Radius on different series of routers.
• Worked on Juniper devices like EX-2200, EX-4200, EX-4300, MX-80, MX-480, M Series, SRX210 and SRX240.
• Ability to manage all phases of network installation and administration.
• Excellent customer management/resolution, problem solving and debugging skills with good verbal/written communications and presentation skills.
• Experience with convert Cisco ASA rules over to the Juniper SRX based solution.
• Responsible for Cisco ASA, Juniper SRX firewall administration across customer’s networks.
• Excellent skills to implement VLANS, private VLANS, Voice VLANS,Installing VOIP capable wares, Port security, STP and RSTP (802.1W), standard and extended access lists for managing access based security, creating root views for administrative privileges.
• Extensive knowledge of deploying & troubleshooting TCP/IP, Implementing IPv6, Transition from IPv4 to IPv6, Multilayer Switching, UDP, Fast Ethernet, Gigabit Ethernet, Voice/Data Integration techniques.
• Experience in Network Management Tools and sniffers like SNMP, HP-Open view, Wireshark and Cisco works to support troubleshooting issues.
• Adept in preparing Technical Documentation, MOPS and presentations using Microsoft VISIO/Office.
• Well organized, Self-starter, Quick learner, Self-Motivated, Team player with analytical, technical and communication skills.

TECHNICAL SKILLS

Routers: Cisco 2800,2900,3900,7200, ASR 1K, ASR9K,CRS, Juniper M series, MX series, SRX series

Switches: Cisco 3560, 3750,3580,4500,6500, Nexus 7K, 5K,2K, EX-4300, EX-4500, QFX-5100, Alcatel-Lucent switches.

Load Balancer: Cisco CSS, F5 Networks (Big-IP).

WAN Optimization: Cisco WAAS, PPP Multilink.

Routing: OSPF, EIGRP, BGP, PBR, Route Filtering, Redistribution, Summarization, Static Routing

Switching: VLAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switching, Multicast Operations, Layer 3 Switches, Ether channels, Transparent Bridging.

LAN: Ethernet, Fast Ethernet, Gigabit Ethernet, FDDI, CDDI, Frame Relay.

WAN: Channelized links (E1/T1/E3/T3), Fiber Optic Circuits(OC-3, OC-12), Frame Relay.

Features& Services: IOS and Junos Features, HSRP, GLBP, VRRP, NAT, SNMP, SYSLOG, QoS, NTP, DHCP, CDP, MPLS DNS, SFLOW, JFLOW TFTP, FTP Management,VDC,VPC,Fabricpath,OTV.

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

Monitoring: Wireshark, Solarwinds, Xenoss,Spirent,IXIA.

Language: C, C++, Python.

PROFESSIONAL EXPERIENCE

Confidential, SanFrancisco,CA

Sr. Network Engineer

Responsibilities:

• Involved in the migration of current datacenter setup from 6500 based data center to Nexus based data center.
• Experience working with Cisco NX-OS 7010, 5020, 2148, 2248 devices.
• Involved in configuring VPC(Virtual Port Channel), VDC(Virtual Device Context) in Nexus 7010/7018 devices.
• Involved in the Implementation of (LAN) VLANs, VTP, Spanning Tree (STP), Trunking (dot1q and ISL) and Ether channel across the distribution/access layer switches.
• Configured SRX-240 devices as an HA pair for redundancy and Performed JUNOS code upgrades across multiple different branch firewalls.
• Experience with setting up IPSEC VPN on Juniper SRX 3600 Firewalls towards the multiple Customer sites as backup path to the datacenter.
• Involved in the configuration of MX-80 and MX-104 routers with OSPF and peer with BGP to service providers for redundancy.
• Experience in Overlay Transport Virtualization (OTV) and FC Networks.
• Design and implement OSPF Areas for reliable Access Distribution and for Core IP Routing.
• Responsible for new site setup, migration of existing point to point circuits to an MPLS based solution.
• Involved in configuring Juniper and Cisco ASA firewalls and applying rules to pass servers and switches through firewall.
• Involved in setting up and Migrating DMZ's from existing setup to an integrated new setup in the environment.
• Configuring various advanced features (Profiles, monitors, I Rules, Redundancy, SSL Termination, Persistence, SNATs, HA on F5 BIGIP appliances SSL termination and initiation, Persistence, Digital Certificates, Executed various migration/upgrade projects across F5 and hands on with F5 BIGIP LTMs/EM.
• Worked on F5 LTM series like 7050, 5050, 2200 for several applications and their availability.
• Responsible for the configuration of Virtual Servers, Nodes, and load balancing Pools and configuring load balancing algorithms.
• Configured Session based persistence and I have learnt writing i-Rules for specific redirection purpose and also i-rules for persistence.
• Experience working with Cisco Nexus2148 Fabric Extender and Nexus5000 series to provide a Flexible Access Solution for a datacenter access architecture.
• Experience with migrating from IOS to IOS-XR on ASR 9K.
• Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.
• Implement and configured GLBP (on core switching and also for VPN redundancy), VRRP on MX 480 devices in a different location of office on the switched network and managing the entire multilayer switched network.
• Work on multiple Port open requests for multiple business units in the organization on ASA and SRX firewalls
• Experience with Firewall Administration, Rule Analysis, Rule Modification
• Configuring Vlan’s, VTP’s, enabling trunks between switches.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Involved in the Support of network security and network devices such as routers, switches and wireless access points.
• Configured WLC-5505 and IOS XE, Cisco IOS Platforms in 3502 wireless access points across branches.
• Ensure problems are satisfactorily resolved in a timely manner with focus on providing a high level of support for all customers.
• Responsible for Coordinating with service providers for WAN link outages.
• Experience in Configuring, upgrading and verifying the NX-OS operation system.
• Responsibilities also include technical documentation of all implementations including visio drawings. Attending meetings and technical discussions related to current project.
• Task with being the local Tools administration of Network Monitoring tools such as: Net Scout HPNA, Opsware and CA Concord eHealth and working through the integration with Spectrum for reporting the alarms from eHealth.
• Experience using Solar winds Orion for monitoring/backing up device configurations and monitoring bandwidth.

Confidential, Chicago, IL

Sr. Network Engineer

Responsibilities:

• Responsible in the Configuration of EIGRP, OSPF and BGP Involving in the configuration & troubleshooting of routing protocols on Cisco 2900,3900, ASR 9010, ASR 1002 devices across locations and datacenters.
• Responsible for Firewall Administration, Rule Analysis, Rule Modification on ASA 5585, SRX550 devices.
• Documented new VPN enrolments in a database and create standard procedures for further improvement.
• Troubleshoot traffic passing managed firewalls via logs and packet captures.
• Managed fast Layer 3 switched/routed LAN/WAN infrastructure as a part of Network team. The LAN consisted of Cisco campus model of Cisco 3750 at access layer, Cisco 6513 at distribution/core layer.
• Created standard access lists to allow SNMP, NTP and logging servers.
• ConfigureVRRP & GLBP andVLANTrunking802.1Q & ISL, STP, Port Security on Catalyst 6509 switches.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
• Negotiate VPN tunnels using IPSec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.
• Co-ordinated with the Data Network and Security team and came up with possible solutions.
• Performed Configuration on ASR 9K Pairs includes HSRP, Bundle Ethernet Config, Assigning dhcp profiles.
• Work on Physical site Inventory verification, gather information of various Cisco Network devices and Security Devices to develop Run book and Spec Book.
• Configuration and troubleshooting of Cisco catalyst 6509, 7613 with supervisor cards.
• Experience with implementing and maintaining network monitoring systems (Cisco works and HP Open view) and experience with developing complex network design documentation and presentations using VISIO.
• Created MOPS to get approval from peers to perform configuration add/ remove changes following change management process.

Confidential

Network Admin

Responsibilities:

• Involved in the configuration of BGP as a WAN protocol, and OSPF/EIGRP as interior routing protocol.
• Monitoring the NMS system for different Network Alerts.
• Ensure tickets are satisfactorily resolved in a timely manner with focus on providing a high level of support for all customers.
• Involved in troubleshooting of DHCP and other IP conflict problems.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trucking, STP, RSTP, port aggregation & link negotiation.
• Configured EBGP/IBGP policies also tested BGP attributes such as Local preference, MED, AS-PATH, Community and Weight.
• Configured EIBGP load balancing and ensured stability of BGP peering interfaces.
• Resolved network issues, ran test scripts and prepared network documentation.
• Working on Cisco IOS, IOS XE 6509 and 4507 series switches for LAN requirements, that includes managing VLANs, Port Security and troubleshooting LAN issues.
• Configuration of Access List ACL (Std, Ext, Named) to allow users all over the company to access different applications and blocking others.
• Dealt with NAT configuration and its troubleshooting issues related access lists and DNS/DHCP issues within the LAN network.
• Responsible for technical documentation and Visio Drawings for the implemented projects.
• Involved in Attending meetings and technical discussions related to current project.

Confidential

Network Associate

Responsibilities:

• Worked on troubleshooting customer related issues related to router Configuration, Layer 1/Layer 2 issues.
• Configured Virtual-link between discontinuous backbone areas in the network also established authentication between all OSPF routers using MD5 authentication.
• Worked on WAN Troubleshooting for circuits like T1,T3 etc.
• Monitor network performance accompanying company service level agreements (SLA’s) using Network management tools such as Cisco works and also provided necessary recommendations to improve network performance.
• Involved in configuration and management of different Layer 2 switching tasks which includes address learning, efficient switching etc.
• Involved in HSRP standby troubleshooting and load balancing protocol GLBP, Port channel management of the network.
• Provisioning and troubleshooting Ethernet services, Gigabit networks and Connectivity issues with WAN types (T1, E1, DS3) for WAN issues.
• Dealt with the escalation problems from Level1, Level 2 & Level 3 for routing, switching and WAN connectivity issues using ticketing system Remedy.
• Designed VLAN’s, access lists (ACL), troubleshooting IP addressing issues and Updating IOS images and other hardware installations.
• Experience in troubleshooting VLAN, STP (Spanning tree protocol), & Switch Trunk and IP subnet issues.
• Dealt with NAT configuration and its troubleshooting issues related access lists and DNS/DHCP issues within the LAN network.
• Involved in Configuration of Access lists (ACL) on checkpoint firewall for the proper network routing for the B2B network connectivity.
• Experience in routing protocols like OSPF, BGP, and standby protocols like HSRP and VRR.