Network Engineer Technical Support

RAVI J

Sr. Network Engineer

Ph: 925-***-****, Email: ****.*****@*****.***

Summary:

Network Engineer with 6+ Years’ experience in design, implementation, configuration of Cisco Routers, Switches and Firewalls.

Troubleshooting & fine-tuning of Firewalls, VPN configuration, network related problems in Enterprise & Data Center.

Experienced in implementing and configuring protocols such as HSRP, GLBP, VRRP, ICMP, IGMP, PPP, HDLC, PAP, CHAP, and SNMP.

Experienced in working with Cisco routers and switches implementing protocols such as EIGRP, OSPF, IS-IS BGP and MPLS on edge routers and so.

Experienced in handling Network Monitoring tools and Packet capture tools (NAM, New Relic, OPNET, Fiddler, NetFlow, Wireshark, Sniffer).

Hands-on experience configuring and troubleshooting of routing protocols RIP v1/v2.

Knowledge of Subnetting IPv4/IPv6 addresses and IP address management.

Experienced with Windows server products and Linux server products.

Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, bridges, routers, hubs and switches.

Experience in configuring ASA, PIX, AAA, L2 and L3 Security.

Experienced in firewall architecture and configuration for enterprise class firewalls, Palo Alto, Checkpoint etc

Worked with virtual servers using VMware.

Experienced in configuring and Troubleshooting BIG-IP F5 load balancer LTM, Creating Virtual Servers, Nodes, Pools and iRules on BIG-IP F5 in LTM module.

Responsible for switching tasks such as VTP, ISL/ 802.1Q, IPsec and GRE Tunneling, VLAN, Ether Channel, STP RSTP, PVST+.

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 & migration to Nexus 7000 using OTV from 6500 series.

Experience with Cisco IOS XR on ASR9000, 12000 series routers.

Moderate knowledge in configuring and troubleshooting Cisco Wireless Networks: LWAPP, WLC, WCS, Standalone Aps, Roaming, Wireless Security Basics, IEEE 802.11 a/b/g, RF spectrum characteristics.

Experience working with Microsoft, VMware, SolarWinds, Active Directory and related technology.

Implementation of Juniper Firewall, SSG Series, Netscreen Series ISG 1000, SRX Series.

Worked on Juniper Netscreen Firewalls like, NS50, SSG 550M, SSG520M, ISG 1000, and ISG 200.

Experience in Designing and assisting in deploying Enterprise wide Network Security and High Availability Solutions for ASA.

Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.

Good knowledge and experience in installation, configuration, and Administration of Windows 2000/2003, HTTP, FTP, DNS, NTP, DHCP servers under various LAN and WAN environments.

In-depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts

Certifications:

Cisco Certified Network Associate – CCNA

Technical Skills

Routers:

Routers (1700, 1800, 2500, 2600, 3200, 3600, 3700, 3800, and 7200)

Switches:

Cisco L2 & L3 Switches ( 2900, 2921, 3550, 3560, 3750, 4500, 5000, 5505, & 6500), ASA, PIX, FWSM, Juniper, Netscreen, Nexus 7000, 7004,

LAN Technologies:

Ethernet, Fast Ethernet, and Gigabit Ethernet, VTP, STP, RSTP, VLAN, Inter-VLAN Routing

WAN Technologies:

Frame Relay, ATM, PPP, HDLC, ISDN

Firewalls:

Firewalls/VPNs ASA, PIX, Cisco ASA5520, Cisco VPN 3000 Series Concentrator

OS products/Services:

DNS, DHCP, Microsoft SQL Server 2000 and 2005, VMware, Windows (2000/2003, XP), UNIX,LINUX,

Protocols/Services:

Routing Protocols (RIP v1 & v2, IGRP, OSPF, EIGRP, BGP), load balancer, Proxy servers, QoS, HSRP, VRRP, TCP/IP, IPSec, MPLS, PPP, VoIP, SIP, H.323, IPV6

Network Management Tools:

Wireshark, Netflow Analyzer, HP OpenView, Fiddler, Ethereal, OPNET, Solarwinds, Cisco Works,

Security Server Protocols:

TACACS+, RADIUS

Tools, Software’s:

VM ware, Virtual Box Software Defined Networking,, Cisco packet tracer, GNS3, Cloud computing Concepts, MS Visio.

Work Experience :

Barclays Card - Wilmington, DE July 2016 to Current

Sr. Network Engineer

Responsibilities:

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.

Supporting EIGRP and BGP based PwC network by resolving level 2 &3 problems of internal teams & external customers of all locations.

Configuring/Troubleshoot issues with the following types of routers Cisco (7200, 6500, 4500, 1700, 2600 and 3500 series), to include: bridging, switching, routing, Ethernet, NAT, and DHCP, as well as assisting with customer LAN /MAN, router/firewalls.

Configuring various advanced features (Profiles, monitors, iRules, 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.

Wrote IOS and CAT OS upgrade procedures and Pre/Post checks for customer production upgrades.

Configuring Vlan's, VTP's, enabling trunks between switches.

Actively participated in upgrading fast Ethernet, Layer 3 switched/routed LAN infrastructure from Cisco 3640 to Excellent Troubleshooting Skills and Customer Centric approach.

Configured OSPF on CISCO devices with multiple routing processes and redistributed them. Tested and hands on experience in multi area OSPF topologies.

Configuring, managing and troubleshooting networks using routing protocols like RIP, EIGRP and OSPF (Single Area and Multi Area).

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.

Cisco 2811 ISR routers and switches at access level to 2950, 3550.

Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.

Installation and Configuration of various types of Personal Computers and Printers. Installation of different operating systems on Intel based PC's.

Troubleshooting of personal computers. On line Support to customers concerning their computer problems.

Experienced SRST and implemented and configured the Gateways, Voice Gateways.

Configuring HSRP between the 3845 router pairs for Gateway redundancy for the client desktops.

Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.

Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.

Configuring failover for redundancy purposes for the security devices. Implemented the stateful& serial failover for PIX/ASA firewalls, Palo Alto policies, Checkpoint Clustering and load balancing features.

Actively participatedin updating to different modals of Cloud computing (IAAS, PAAS, SAAS).

Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-VLAN routing, LAN security.

Worked on the security levels with RADIUS, TACACS+.

Completed service requests (i.e. - IP readdressing, bandwidth upgrades, IOS/platform upgrades, etc.)

Negotiate VPN tunnels using IPSec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.

Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with Cisco ASA VPN experience

Security policy review and configuration in Palo Alto and JuniperSRX Firewall in US offices and Datacenter.

Experience working Juniper T-Series, M-Series, MX-Series, J-Series Routers.

Identify, design and implement flexible, responsive, and secure technology services

Monitored network for optimum traffic distribution and load balancing using Solar winds.

Validate existing infrastructure and recommend new network designs.

Created scripts to monitor CPU/Memory on various low end routers in the network.

Installed and maintained local printer as well as network printers.

Experienced installation of Windows NT Server and Windows NT Workstations.

Experienced Tech Support as it relates to LAN & WAN system.

Environment: Cisco 7200, 6500, 4500, Ethernet, Nat & DHCP, Juniper Devices ( Ex, Srx, 4J), Cisco Pix/ASA firewalls, Css, F5 Load Balancer.

Pennsylvania Liquor Control - Harrisburg, PA Aug 2015 to June 2016

Network Engineer

Responsibilities:

Responsible for configuration, maintenance, and troubleshooting of dynamic routing protocols: BGP, OSPF & EIGRP (route redistribution, distribute lists, route-maps, offset-lists, prefix lists, route summarization, route-feedback, BGP attributes) on Cisco Routers 7613, 7201, and 3945E.

Working knowledge of frame relay, MPLS services, OSPF, BGP and EIGRP routing protocols, NAT’ing, NAC product sub-netting, also including DNS, LDAP, DHCP, http, HTML, HTTPS, TCP/IP, UDP, SNMP, OSPF, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols.

Hands on experience and good working knowledge with Checkpoint Firewall policyprovisioning.

Experience with managing the completed end to end site solutions.

Performed pre-sales and post-sale support for all products and services, including perimeter solutions.

Hands on experience with Juniper EX-Series Ethernet Switches.

Designed, Implemented and Troubleshot Cisco 3750, 3550, 3560, 2924, 6509-V-E, 6513, 6504, 6503, 6506, 6500 series switches.

Plan Design and assist in deploying enterprise wide Network Security and High Availability Solutions for ASA.

Understand the JUNOS platform and worked with IOS upgrade of Juniper devices.

Installed, configured and managed Cisco routers such as 7200 series, 3800 series, 3700 series, 2800 series and Cisco Catalyst switch series 6500, 4500, 3500, and 2900.

Upgraded the data center network environment with Cisco ASA 5520. Configured ACL’s on Cisco Switches as well as configured routers as terminal servers.

Design and configuring of OSPF, BGP on Juniper Routers (MX960, MX480) and SRX Firewalls (SRX240, SRX550).

Implementing 3750 Stackable switches using Cisco Stack Wise technology. Experience to review,evaluate current and future design issues as required maintaining network integrity, efficient data flow.

Configuring and managing Blue Coat Proxy Servers.

Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX as per the design.

Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.

Worked on Layer 2 protocols such as STP, VTP, RSTP, PVSTP+, MST and other VLAN troubleshooting issues and configuring switches from scratch and deployment

Involved in designing and implementing QOS and policy map to 2800 series routers for all the branches

Experience with Branch Relocation: Connect workstation, servers, etc. Rack and stack Pre-configured new hardware and connect the circuits. Worked with Carrier to test and turn-up circuits.

Performed IP address planning, designing, installation, configuration, testing, maintenance, and troubleshooting in complete LAN, WAN development.

Supported EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations

Installed wireless access points (WAP) at various locations in the company.

Actively involved in switching technology Administration including creating and managing VLANS, Port security – 802.1x, Trunking 802.1Q, RPVST+, Inter-VLAN routing, and LAN security on Cisco Catalyst Switches 4507R+E, 6509-E and Cisco Nexus Switches 2232, 5596, 7009.

Created dedicated VLANs for Voice & Data with QOS for prioritizing VOICE over DATA.

Configured Voice ports and Dial peers on the call manager for the VOIP call to reach remote destination.

Worked on configuration and commissioning of the MPLS circuits for various branch offices.

Provided Daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.

Performed Network Security Assessment and implemented security improvements such as network filtering, SSH, AAA, SNMP access lists, VTY access lists, EIGRP MD5 authentication, and HSRP authentication.

Handled Network capacity planning, modeling, and traffic optimization and experience in using tools (OPnet, Netflow, etc.).

Configured ACL’s in Cisco 5520 ASA firewall for internet Access requests for servers, Protocol Handling, Object Grouping and NAT

Responsible for Data Center Migrations and its operations including the change from 6500 switches to nexus series switches, configured VPC/VDC on nexus 2k, 5k and 7k.

Worked on multipath routing in Data Center using Shortest Path Bridging.

Implemented antivirus and web filtering on Juniper SRX 240 at the web server as well as configuration of F5 Big-IP LTM-6400 load balancers and experience working with F5 technologies (LTM, GTM, APM, V9, V10, V11)

Experience in deploying, configuring & maintaining F5 3DNS(Global traffic Manager) Controller and BigIP -LTM(local traffic manager) for wide area load balancing and global redirection using VPN and Proxy load balancing techniques.

Worked in an Agile Scrum environment and with HPSM Change Control System.

Documented workflow process, managing and implementing standard policy and procedures.

Environment: Cisco Routers 7613,7201, 3945E, Dynamic routing Protocal BGP, OspE, EIGRP, DNS, LDAP, DHCP, Http, HTML, Https, Cisco swithches 3750, 3550m, 2924,6500.

HSBC-Arlington,IL Oct 2013 to July 2015

Network Engineer

Responsibilities:

Managing and troubleshooting of Cisco 12K GSR, 7600, 7200VXR and Juniper M320 routers including installation, upgrade, configuration and network management.

Configuring managedCPE routers such as Cisco 2600, 3640, 7200VXR for eBGP peering.

Configuration and support of multi area OSPF environment with SPF throttling.

Configured MD5 authentication for OSPF/BGP and TTL security for BGP.

Troubleshooting of routing protocols like OSPF, BGP and modifying various BGP attributes like Local-Pref, Weight, MED, RR attributes like Cluster-list & Originator-ID.

Tested QoS infrastructure to provide proper priority and queuing based on traffic type using Ixia and Spirent test sets.

Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers.

Configuration and troubleshooting link state protocols like OSPF in single area and multiple areas.

Redesign of Internet connectivity infrastructure for meeting bandwidth requirements.

Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.

Plan Design and assist in deploying enterprise wide Network Security and High Availability Solutions for ASA.

Planned, tested and evaluated various equipments, systems, IOSs and procedures for use within the Network / security infrastructure.

Provided pro-active fault monitoring of Cisco routers and switches utilizing HP overview, CiscoWorks and Cisco IOS commands.

Configured and performed troubleshooting of EIGRP and BGP on Sears FLS and data center routers.

Configured VLANs, RSTP, HSRP, DLSW and VRRP for Sears FLS and offices.

Performed packet analysis of web applications using nGeniusInfiniStream application

Created configuration templates for changes in Sears Outlet stores and FLS.

Provided Level 3 technical support for data centers and stores.

Prepared cost estimates for new store deployments and changes.

Completed Sears datacenter audit and updated Visio diagrams.

Environment: Cisco – 12k, GSR, 7600m 7200vxr, Juniper M320, Cisco 3550/4500/6500 switchs, VLans, HSRP, 802.IQ, EIGRP, BGP, FCS.

ADP, Hyderabad, India Mar 2012 to Aug 2013

Network Engineer

Responsibilities:

Installation and maintenance of new network connections for the customers.

Configuring all the required devices and equipment for remote vendors at various sites and plants.

Installing new equipment to RADIUS and worked with MPLS-VPN and TACACS configurations.

Working on creating new load balancing policies by employing BGP attributes including Local Preference, AS-Path, Community, MED.

Configuration of EIGRP and OSPF as interior gateway protocol with route filtering and route redistribution.

Implemented Stub/Totally Stub Areas and various OSPF features like route-summarization and SPF throttling.

Providing technical support to LAN & WAN systems.

Hand on experience the configuration and implementation of various Cisco Routers and L2 Switches.

Monitoring Memory/CPU on various low end routers in a network.

Installing and maintaining Windows NT Workstations and Windows NT Server.

Responsible for service request tickets generated by the helpdesk such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support

Installing and maintaining local as well as network printers.

Supporting EIGRP and BGP for problems of L2/L3 in internal teams & external customers.

Validating existing infrastructure and suggesting new network designs.

Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.

Upgrading Used DHCP to automatically assign reusable IP addresses to DHCP clients. Extensive experience in configuring and implementing EIGRP, OSPF and BGP.

Design, WAN link using PPP Multilink and by implementing Cisco WAAS

Negotiate VPN tunnels using IPSec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.

Environment: MPLS – VPN, TACAS Configruations,BGP, AS-path, MED, Win-NT, LAN, WAN

Videocon, Gujrat, India Jul 2011 to Feb 2012

Jr. Network Engineer

Responsibilities:

Migration of RIP V2 to OSPF, BGP routing protocols.

Configured EIGRP for Lab Environment.

Implemented ISL and 802.1Q for communicating through VTP.

Working with Client teams to find out requirements for their Network Requirements.

Created VLAN and Inter-Vlan routing with Multilayer Switching.

Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.

Maintained and installed new internet connections for customers.

Handled installation of Windows NT Server and Windows NT Workstations.

Handled Tech Support as it relates to LAN & WAN systems.

Installed various network hardware including concentrators, bridges, and hubs to establish communication connections with remote locations.

Configured Cisco Routers for RIP, RIPv2, EIGRP,Static and default route.

Basic networking concepts such as TCP/IP (IP, TCP, UDP, SNMP, DNS, DHCP, FTP, HTTP, HTTPS, ICMP, SMTP, POP3, IMAP, ARP, IPSEC, NAT, Subnetting).

Configuring and troubleshooting Site-to-Site and Remote site VPN for corporate users & vendors.

Configured VPN on Cisco firewall.

Troubleshooting and maintain remote access Anyconnect VPN profiles.

Maintaining and updating VPN Gateways for ensuring force of latest Security policy to deny all input requests from all non-compliant devices.

Configuring and troubleshooting Cisco Netscreen Firewalls using Network Security Manager.

Implementation, administration: Design / Configuration changes, Defining events/signatures policies and its actions, Logging and Log analysis.

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