SUMMARY:

• 8+ years of experience in networking, installing, configuring and maintaining network devices.
• Hands on experience in configuring Cisco Catalyst 2960, 3750,3850, 4500, 6500 and Nexus 3000, 5000, 6000, 7000, 9000 series switches and Cisco 2600, 2800, 3600, 3800, 7200, 7600 and Juniper MX series routers.
• Implementing IP addressing schemes, LAN/WAN protocols, IP Services, to meet network requirements in different environments.
• Expertise in Configuration of Virtual Local Area Networks (VLANS) using Cisco routers and multi - layer Switches and supporting STP, RSTP, PVST, RPVST along with trouble shooting of inter-VLAN routing and VLAN Trunking using 802.1Q.
• Implemented redundancy with HSRP, VRRP, GLBP, Ether channel technology (LACP, PAgP).
• Proficiently implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, Route Maps and route manipulation using Offset-list.
• Hands on experience in deployment of GRE tunneling, SSL, Site-Site IPSEC VPN and DMVPN.
• Extensively worked on Cisco catalyst 6509 and implemented VSS along with VDC and VPC on Nexus 5505, 7009 switches.
• Comprehensive expertise in the implementation of optimization, analysis, troubleshooting and documentation of LAN/WAN networking systems.
• Working knowledge on configuring access lists. Troubleshooting DNS/DHCP issues within the LAN network.
• Extensive hands-on experience in working with complex routed LAN and aironet networks, and preparing technical documentation.
• Involved in troubleshooting network traffic and its diagnosis using tools like ping, traceroute, WireShark, TCP dump and Linux operating system servers.
• Implemented many number of security policy rules and NAT policy rules on Palo Alto, created Zones, Palo Alto Firewall interface, Palo Alto IDS and VLAN.
• Hands-on experience on Checkpoint Firewall R77, Palo Alto and Cisco ASA 5520 firewalls.
• Experience with Network Automation using Python.
• Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP, V4, V6, MPLS
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution.
• Migration with Checkpoint, Cisco ASA and VPN experience.
• Experience in configuring Virtual Device Context in Nexus 7010.
• Experience in Palo Alto design and installation (Application and URL filtering, Threat Prevention, Data Filtering)
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.

TECHNICAL SKILLS:

Cisco Routers: 2600, 2900, 3600, 3800, 7200 and 7600

Juniper Routers and firewalls: MX240, MX480, MX960, SRX1500 and SRX5600

Cisco L2 & L3 Switches: 2900, 3560, 3750, 3850,4500, 4900, 6500, Nexus 5K/7K/9K

LAN Technologies: Ethernet, Fast Ethernet, and Gigabit Ethernet, SMTP, VLAN, VRFs Inter- VLAN Routing, VTP, STP, RSTP, Light weight access point, WLC .

WAN Technologies: Leased lines 128k - 155Mb ( PPP / HDLC ), Fiber Optic Circuits, Frame Relay,ISDN, Channelized links ( T1 / DS3 / OC3 / OC12 ), Load Balancing.

Network Security: Cisco ASA, ACL, IPSEC, Juniper SRX, QFX, EX.

OS products/Services: DNS, DHCP, Windows (2000/2003/2008, XP), UNIX, LINUX .

Routing Protocols: MPLS, OSPF, EIGRP, BGP, RIP-2, PBR, IS- IS, Route Filtering, Redistribution,Summarization, Static Routing, IPv4,IPv6. IOV AND SR IOV

Gateway Load Balancing: HSRP, VRRP, GLBP

Various Features / Services: IOS and Features, HSRP, GLBP, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, TFTPand FTP Management

Network Management Tools: Wireshark, Net flow Analyzer, Cisco Works, Ethereal, SNMP, HP open view, Ethereal, Solar winds, Splunk, Line.

Security Server Protocols: TACACS +, RADIUS, Cisco Firepower

Facilities: DS0, DS1, DS3, OCX, T1/T3

Load Balancers: Cisco CSM, F5 Networks (Big-IP) LTM 8900, Cisco ACE 4710 .

Operating Systems: Windows (98, ME, 2000, XP, Server 2003/2008, Vista, Windows 7), Linux

Firewall & Security: Checkpoint, Palo Alto, Cisco ASA 5520, PIX 501, 515E, 520, API

Areas of Expertise: Client support, On-going monitoring, Capacity planning, Consulting skills, Cisco support, User acceptance testing, Network build out, WAN monitoring, Maintaining architecture, Net flow analysis, Vendor management, End to end troubleshooting, Python.

PROFESSIONAL EXPERIENCE:

Confidential, Spring, TX

SR Network Engineer

Responsibilities:

• Work as a part of the team Involved in the migration of current Datacenter setup from 6500 based data center to Nexus based data center.
• Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for a data center access architecture.
• Involved in configuring VPC (Virtual Port Channel), VDC (Virtual Device Context) in Nexus 7010/7018 devices.
• Involved in the Implementation of Layer 2 Features (LAN) VLAN s, VTP, Spanning Tree (STP), Trunking (dot1q and ISL ) and Ether channel across the distribution/access layer switches.
• Implementing layer 3 features IP Configuration, Authentication, Route Summarization, OSPF Special Areas, Route Filtering and IGP Routing Protocols.
• Configured SRX-550 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 across all the branches.
• Design and implement OSPF Areas for reliable Access Distribution and for Core IP Routing.
• Responsible for new site/property 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 DMZs from existing setup( ASA ) to an integrated new setup( Juniper SRX ) in the environment.
• Configuring various advanced features (Profiles, monitors, I Rules, Redundancy, SSL Termination, Persistence, SNAT s, 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, 4800, 2200 for several applications and their availability.
• Responsible for the configuration of Virtual Servers, Nodes, and load balancing Pools and configuring load balancing algorithms.
• Experience with migrating from IOS to IOS-XR on ASR 9K.Involved in the configuration of MPC4E for 100GE/ 10GE interface support.
• Performed configuration of 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 Configuring Vlan’s, VTP’ s, and enabling trunks between switches. Configured Trunk groups, ether channels, and Spanning tree.
• 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 with ISSU procedures.
• Responsibilities also include technical documentation of all implementations including visio drawings.
• Attending meetings and technical discussions related to current project.

SR Network Engineer

Responsibilities:

• Played responsible role for implementing, engineering, and level 2 support of existing network technologies services and integration of new network technologies / services.
• Worked on 3560, 3750, 3850, 4510, 4500 -X, 6509 series Cisco Catalyst switches, and 2248, 5020, 5548 and 7010 Cisco Nexus switches, HP switches in multi VLAN environment for the implementation of inter-VLAN routing,802.1Q trunking, and Ether Channel.
• Performed network administration tasks such as creation and management of VLANS, Port security, Trunking, RPVST+, Inter - VLAN routing, and LAN security.
• Configuration of site-to- site VPN connections (IPSec/ GREtunnels, DMVPN ) to support diverse network connections to extranet clients.
• Worked as a member of the NOC groups to troubleshoot issues related to IP phones, Connectivity and application slowness.
• Troubleshoot issues with Wireless Access points ( Cisco 3502 ) and configure SSID’s on 4506 Wireless LAN Controllers.
• Adept at configuring and troubleshooting of VPC on Nexus 7Ks, 5Ks and VSS on Cat 6509, 4500-X.Expertise in Configuration of Virtual Local Area Networks (VLANS) using Nexus 7Ks, Cisco routers and multi-layer.
• Switches and supporting STP, RSTP, PVST, RPVST along with trouble- shooting of inter-VLAN routing and VLAN trunking using 802.1Q.
• Expertise in configuration of routing protocols and deployment of OSPF, EIGRP, BGP and Policy routing over Cisco Routers, Switches (Nexus 7Ks, Catalyst 6500 ).
• Performed ISSU on Nexus Switches and responsible for troubleshooting application latency.
• Resolved various trouble tickets related to routing (BGP, EIGRP, Static Routes, prefix-list, route- map, distribute-list, route - redistribution ), switching (VLAN, port security, trunking, STP, VPC, HSRP, FEX ).
• Designed, planned and performed failover testing with various extranet clients successfully.
• Involved in design, implementation and configuration of HSRP for load balancing on L3 switches on different location of office on the switched network.
• Managed inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP, NTP.
• Performed maintenance and troubleshooting of connectivity problems using PING, and Trace route.
• Used DHCP to automatically assign reusable IP addresses to DHCP clients via Infoblox IPAM.
• Configured and maintained OSPF protocol which included deployment of new locations in the existing infrastructure created Stub/areas and configured summarization for effective routing.
• Configured OSPF on ASR 1002/9001 Cisco routers at various back offices across US. Configured ACLs in Juniper SRX 3400 and Palo Alto PA-5050 firewalls for Internet Access requests for servers, Protocol Handling, Object Grouping and NAT .
• Experience setting up SRX 240 HA Pairs on the branch firewalls for redundancy.
• Configured SPAN and RSPAN for network monitoring.
• Worked on network-based IT systems such as racking, stacking, cabling and module replacement. Configured and installed Wireless Access Points at different company’s location and managed them through Wireless LAN Controller ( Cisco )

Network Engineer

Responsibilites:

• Configured Cisco Routers for OSPF, EIGRP, Static and default route.
• Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external escalation procedures and customer notifications.
• Supporting Development team for the access to corporate network and outside world. Providing access to specific IP, Port filter and port access.
• Configured the Cisco router as IP Firewall and for NATting.
• Switching ( Ethernet ) related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.
• Installed high availability Big IP F5 LTM and GTM load balancers to provide uninterrupted service to customers.
• Installing and maintaining local as well as network printers.
• Validating existing infrastructure and suggesting new network designs.
• Working on creating new load balancing policies by employing BGP attributes including Local Preference, AS-Path, and Community, MED.
• Configuring all the required devices and equipment for remote vendors at various sites and locations.
• Installation and maintenance of new network connections for the customers.
• Monitor performance of network and servers to identify potential problems and bottleneck.
• Real time monitoring and network management using Cisco Works LMS .
• Configuring routers and send it to Technical Consultants for new site activations and gives online support at the time of activation.
• Provided technical support on hardware and software related issues to remote production sites.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP .

Network Engineer

Responsibilities:

• Configured and resolved various OSPF issues in an OSPF multi area environment.
• The LAN consisted of Cisco campus model of Cisco 3550 at access layer, Cisco 6513 at distribution/core layer.
• Worked with telecom vendors in regards to network fault isolation.
• Hands-on experience with WAN (ATM/Frame Relay), Routers, Switches, TCP/IP, Routing Protocols (BGP/OSPF),and IP addressing.
• I nvolved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, BGPv4 .Configured IP access filter policies.
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZenvironments to support new and existing application platforms.
• Configured egress and ingress queues for ISP facing routers using CBWFQ.
• Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.
• Configured BGP and OSPF routing
• Cisco ASA 5510, 5540 Firewall Administration, Rule Analysis, Rule Modification.
• Troubleshoot by Analyzing traffic passing managed firewalls via logs and packet captures.
• Analyzed customer application and bandwidth requirements, ordered hardware and circuits, and built costeffective network solutions to accommodate customer requirements and project scope.
• Efficient at use of Microsoft VISIO/Office as technical documentation and presentation tools

Network Support Engineer

Responsibilities:

• Involved in installation, maintenance and support of network equipment ( CiscoRouters, Switches and Firewalls ).
• Evaluated customer needs and proposed solutions.
• Configuring IP Access-lists based on the client requirement.
• Designed scalable and efficient IP Addressing scheme for new network installations.
• Responsible for Network security and administering access and permissions.
• Monitoring network systems operations and conducting system performance evaluations and system diagnostics.
• Responsible for developing and maintaining online documentation and resources pertaining to wireless network.
• Review Statement of Works ( SOW ) and Bill of Materials ( BOM ) for LAN and Wireless .
• Provide proactive support the daily operation of wireless network of the organization
• Responsible for gathering and compiling data for special projects as well as prepare weekly status reports
• Perform other related tasks under the instructions of the Manager/ Senior Wireless Network Engineers
• Responding quickly to network outages (24*7) and take appropriate action.