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Network Engineer Resume Profile

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Chicago, IL

Summary

  • Over 7 years of experience in networking, installing, configuring and maintaining network devices.
  • Implementing IP addressing schemes, LAN/WAN protocols, IP Services, to meet network requirements in different environments.
  • Experience installing, configuring and troubleshooting Catalyst 2900, 3500, 3700 and 6500 Series, Nexus 7000, 5000, 2000/4000 Series Switches, and Routers 2800, 3600, 4400, 7200 Series using CLI and GUI.
  • Worked extensively in configuring, monitoring and troubleshooting Cisco ASA 5505, 5510, 5512X Firewall, NAT/ACL's, Object - group, Any Connect, Cisco VPN Client
  • Experience testing Cisco Routers and Switches in laboratory scenarios and then design and deploy them for productions
  • Experience configuring and troubleshooting OSPF, EIGRP, BGP, VLAN's, Trunking, VTP, STP, PVST, RSTP, HSRP, 802.1q, and Ether-channels.
  • Extensive knowledge with VLAN's, Trunking, RSTP, SNMP, Ether Channels, HSRP, Port Security, ACL's, QoS, Traffic Policing, Shaping, CME, IP Mobility, EIGRP, OSPF, NAT, PAT, Inspections, VPN's, DHCP, Wireshark etc
  • Experience in generating congestion analysis and traffic utilization reports for bandwidth analysis and network optimization purpose
  • Hands-on experience on Up-gradation of Cisco IOS on different Cisco devices and modules
  • In-depth knowledge and experience in IP Addressing, Sub-netting, VLSM, CIDR, Route Summarization and MPLS, IPVPN and WLAN technologies.
  • Implemented network security and filtering traffic using Access Control Lists ACLs, Distribute Lists and Route Maps.
  • Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for a datacenter access architecture Expertise in installing, configuring and troubleshooting Juniper EX Switches EX2200, EX2500, EX3200, EX4200, EX4500, EX8200 series
  • Knowledge of VoIP, Cisco Unified Communications Manager CUCME, AAA, RADIUS, TACAACS .
  • Configuration and utilization of DNS, SSH, HTTP, SSL, FTP, SNMP, SMTP, ICMP, Telnet and TFTP.
  • Knowledge of ASA firewalls, IPS/IDS, F5 Load Balancers.
  • Working knowledge of network monitoring/management tools like Wireshark, TCPdump, Cisco Prime, Net Flow, PRGT, Solar Winds.
  • Experience in diverse IT disciplines, including networking, technical support, programming, operating systems and system administration.
  • Working knowledge of Change Management Process and Trouble Ticket Escalation.
  • Cisco IOS developing L2/L3 high availability HSRP, VRRP, GLBP solutions.
  • Experience in site to site VPN configurations using Cisco ASA 5500 series firewalls
  • Implement security policies using ACL, firewall, VPN, IPsec etc. on Routers and Switches.
  • Redistribution of routing protocols, Route-maps Policy Based Routing, ACL, NAT.

TECHNICAL SKILLS:

Routers: Cisco 7600, 7200, 3800, 3600, 2900, 2800, 2600

Switches: Cisco Catalyst 6500, 4500, 3560, 3750, 2960, Nexus 2K/5K/7K.

Routing: OSPF, EIGRP, BGP, RIP v1/v2, Route Filtering, RedistributionSummarization and Static Routing

Switching: LAN, VTP, STP, PVST, RPVST, Inter VLAN routing Multi- Layer Switch, Ether Channels.

LAN: Ethernet IEEE 802.3, Fast Ethernet, Gigabit Ethernet

WAN: PPP, HDLC, Channelized links E1/T1/E3/T3, Fiber Optic Circuits, Frame Relay.

Load Balancer: F5 Networks Big-IP LTM 6900 and 3900, Citrix

Network Security: Cisco ASA 5540, Check Point, Palo Alto, ACL, IPSEC

Gateway Redundancy: HSRP, GLBP, VRRP

Various Features Services: IOS and Features, SNMP, SYSLOG, NTP, DHCP, CDP, TFTP, FTP.

Network Management: Wireshark, SNMP, PRTG

PROFESSIONAL EXPERIENCE

Confidential

Network Engineer

Responsibilities:

  • Managing and supporting large scale MPLS Frame relay on Cisco Juniper environment for more than 5000 Retail sites, 100 Distribution centers, 100 offices and 3 datacenters.
  • Troubleshooting issues related to Layer 1/2/3 skills like switching / routing, WAN /Hardware and critical network links by coordinating with the vendor.
  • Troubleshooting the Juniper SRX100 and 110 series, Juniper Netscreen routers with Site-Site VPN, and firewalls for Confidential Retail sites.
  • Configuring BGP, RIP, EIGRP and OSPFRouting Protocols on Cisco 1600, 2600, 2800, 3600, 7300 series Routers.
  • Installing and configuring new Cisco equipment including Cisco catalyst switches 6500, Nexus 7010, Nexus 5548 and Nexus 2k as per the requirement of the company.
  • Worked with engineering team to resolve tickets and troubleshoot L3/L2 problems efficiently.
  • Configuration and troubleshooting on HSRP, VRRP, RSTP, STP and VTP related issues coming in network.
  • Performed basic security audit for routers and firewall, identifying missing ACL's, configuration of standard and extended ACLs for Security
  • Performed network deployment troubleshooting tasks such as creation and management of VLANs, port security, Trunking, STP, RPVST, Inter-VLAN routing and LAN security
  • Worked on Cisco catalysts switches that include 3750, 4500 and 6500 in multi VLAN environment for implementation of inter-VLAN routing, 802.1Q Trunking and Ether channel.
  • Worked on F5 BIG-IP LTM 3900, configured profiles and ensured high availability.
  • Worked on Firewall rule management as part of network operations to take care of Firewall ACL requests. Maintained ASA 5580 to ensure high end security on the network with ACLs and Firewall.
  • Creating ACL policies for Cisco 5580 ASA firewall with access control to NAT and object grouping functions.
  • Work assigned tickets to determine the point of failure and resolve problems remotely utilizing available tools and other Operation Center resources.
  • Provide escalation support to L1 members of network team.
  • Worked with different ISP globally for any WAN circuit and BGP routing issues. Opening up cases for CE routers, Riverbed optimizer issues.
  • Work escalate problems effectively in order to meet customer SLA's service level agreements .
  • Perform problem management and root cause analysis for customers as required.
  • Participate in all technical aspects of LAN, WAN, VPN and security internetworking projects including, short and long term planning, implementation, project management and operations support as required.
  • Extensively used TCP/IP tool like TELNET for remote login to the routers and SSH for secure login.
  • Responsible for Checkpoint firewall management and operations across our global networks.
  • Working with Checkpoint Support for resolving escalated issues.

Environment: Cisco 1600/2600/2800/3600/7300 Routers, Cisco 2950/3700/6500 switches,Cisco ASA 5580,Juniper SRX, F5 BIG-IP LTM 3900,LAN,WAN,RIP,OSPF,BGP,EIGRP,HSRP,VRRP,RSTP.

Confidential

Network Engineer

Responsibilities:

  • Configured RIP, PPP, BGP and OSPF routing, and Involving in the configuration troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies, and Creating and provisioning Juniper SRX firewall policies.
  • Documented new VPN enrolments in a database and create standard procedures for further improvement.
  • Co-ordinated with the Data Network and Security team and came up with possible solutions.
  • Work on Physical site Inventory verification, gather information of various Cisco Network devices and Security Devices to develop Run book and Spec Book.
  • Worked on Cisco Routers, Active /Passive Hubs, Switches, Cisco PIX Firewall, NOKIA Firewalls, Nortel VPN Concentrators TCP/IP, NAT and Checkpoint ESX/GSX firewall.
  • Provided proactive threat defense with ASA that stops attacks before they spread through the network.
  • Working with Cisco Nexus 2148 Fabric Extender and Nexus 5500 series to provide a Flexible Access Solution for datacenter access architecture.
  • Configured Cisco 1231 Access points with 5959 and 4941 antennas 802.11/a/g .
  • Configured and supported Cisco firewall PIX 500 series.
  • Configuring AAA using Tacacs and ACS server.
  • Converting Cisco IOS to Cisco IOS XR configurations.
  • Configuring BGP, MPLS in Cisco IOS XR.
  • Configuring Virtual Device Context in Nexus 7010.
  • Responsible for network design, bandwidth allocation, IP address allocation, supervising installation, configuration and maintenance on major network technologies. Worked with various internal organizations during pre/post deployment phase of different type of circuits.
  • Providing Tier II support in the provisioning, end-to-end test and turn-ups and maintenance of the major accounts. Optimizing Network by continuously and extensively working with customer to upgrade and optimize network and Circuit Move Add Changes including detailed design documentation.
  • Performed Layer I, II and III troubleshooting, while maintaining trouble ticket tracking, following internal/external escalation procedures and customer notifications. Configured Cisco Routers for BGP, OSPF, RIP, RIPv2, EIGRP, Static and default route in a VPN environment using MPLS.
  • Implemented and troubleshooted the MPLS network.
  • VPN configurations on Cisco VPN 3005 concentrator, 2610 routers, PIX firewall 501.
  • Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external escalation procedures and customer notifications. Configured Cisco Routers for OSPF, RIP, IGRP RIPv2, EIGRP, Static and default route.
  • Configured the Cisco router as IP Firewall and for NATting.
  • Experience working with Nexus 7010, 5020, 2148, 2248 devices
  • Experience with configuring Nexus 2000 Fabric Extender FEX which acts as a remote line card module for the Nexus 5000

Environment: Juniper EX, Checkpoint, F5 BIG-IP, LTM, GTM, RIP, OSPF, EIGRP, RIP, BGP, LAN, WAN, MPLS,Nexus 2K,5K,7K,PIX 501,Cisco VPN 3005,Cisco 3750/3550/3500/2960 switches and Cisco 3640/120007200/3845/3600/2800 routers

Confidential

Network Engineer

Responsibilities:

  • Responsible for designing and implementation of customer's network and Security infrastructure.
  • Involved in complete LAN, WAN, Extranet redesign including IP address planning, designing, installation, pre configuration of network equipment, testing, and maintenance in both Campus and Branch networks
  • Experience with configuring Nexus 2000 Fabric Extender FEX which acts as a remote line card module for the Nexus 5000
  • Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning configuring VLANs/routing/NATing with the firewalls as per the design.
  • Provided Load Balancing towards access layer from core layer using F5 Network Load Balancers.
  • Managed the F5 BigIP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs
  • Configuring routing protocols like EIGRP, OSPF BGP and troubleshooting layer3 issues.
  • Implemented VTP and Trunking protocols 802.1q and ISL on 3560, 3750 and 4500 series Cisco Catalyst switches.
  • Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
  • Creating VLANS and enabling inter-VLAN routing.
  • Configuring layer-2 technologies like STP, VTP with suitable parameters as per the network environment.
  • Work on different networking concepts and routing protocols like RIP,BGP, EIGRP, OSPF and other LAN/WAN technologies.
  • Managed fast Layer 3 switched/routed LAN/WAN infrastructure as a part of Network team. The LAN consisted of Cisco campus model of Cisco 3550 at access layer, Cisco 6513 at distribution/core layer.
  • Tested routers and done Performance Analysis of both LAN/WAN infrastructure.
  • Interacted with business users from a service delivery and service support perspective.
  • Hands-on experience with WAN ATM/Frame Relay, Routers, Switches, TCP/IP, Routing Protocols BGP/OSPF, and IP addressing.
  • Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
  • Planned, tested and evaluated various equipment, systems, IOS's and procedures for use within the network / security infrastructure.
  • Worked extensively in Configuring, Monitoring and Troubleshooting Check point security appliance, Failover DMZ zoning configuring VLANs/routing/NATing with the firewalls per design
  • Involved in iRule management like loading rules, writing iRule syntax using TCL language
  • Identify, design and implement flexible, responsive, and secure technology services
  • Experience with Firewall Administration, Rule Analysis, Rule Modification
  • Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
  • Responsible for Cisco ASA firewall administration across our global networks
  • Support customer with the configuration and maintenance of PIX and ASA firewall systems
  • Configuring Static, IGRP, EIGRP, OSPF Routing Protocols on Cisco 1600, 2600, 2800, 3600, 7300 series Routers.
  • Configured Site to Site IPsec VPN tunnels to peer with different clients and each of client having different specifications of Phase 1 and Phase 2 policies using Cisco ASA 5500 series firewalls.
  • Configured VLAN's, Private VLAN's.
  • Configure various LAN switches such as CISCO CAT 2900, 3550, 4500, 6509 switches
  • Configured ASA 5540 to ensure high-end security on the network with ACLs and Firewall. Assigned a security level 0-100 on Cisco ASA and the number vary with the trust issues. For trusted it is 100 and less trusted it is 0. Worked with firewall SRX550 services gateway security for routing, switching and WAN connectivity.
  • Used IPSec VPN tunneling to provide access to user machines and partners in other network. Provided application level redundancy and availability by deploying F5 load balancers LTM.
  • Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with Cisco ASA VPN experience

Environment: Cisco 2900/3550/4500/6809 switches, Cisco 1600/2600/2800/3600/7300 routers, Cisco ASA5510, Checkpoint, Cisco ASA, PIX, LAN, WAN, RIP, OSPF, EIGRP, BGP, Nexus 2K/5K/7K,VLAN,F5 BigIP GTM/LTM

Confidential

Network Engineer

Responsibilities:

  • Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.
  • Converted networks with multiple routing protocols RIP, IGRP, EIGRP into a single OSPF domain, thus providing for future network scalability.
  • Design and implementation of the LAN IP infrastructure using Layer 2 / Layer 3 switching, VLAN, VTP, STP, Gigabit Ethernet and Trunking/channeling technologies.
  • Accomplished in the usage of all tools in the TCP/IP protocol suite used with NT Server: DNS, DHCP, WINS, etc.
  • Provide Tier 2 Hardware and Software help desk customer support for employees and Contractors. Provide daily Help Desk support resolving trouble tickets.
  • Install, test, troubleshoot, repair, maintain, and upgrade desktop and laptop computers and peripheral equipment.
  • Perform hardware and software diagnostics, fault isolation and coordinate repairs and/or replacement of faulty equipmentInstalling, repairing and upgrading desktop computers, which include software installation and imaging, and final configuration and testing.
  • Strong working knowledge and troubleshooting of T1, T3, OC-3 and OC-12.
  • Estimated Project costs and created documentation for project funding approvals.
  • Managed various teams involved in site surveys, cabling specifications, Network equipment installation and configuration.
  • Identify design, configuring and managing flexible, responsive, and secure technology services.

Confidential

Network Engineer

Responsibilities:

  • Installed, configured and maintained Cisco 2600, 1600 series Routers and Catalyst 1900, 2900, 3550, 3560 series.
  • Configured 2600 series routers with OSPF protocol and 2900 series switches with VLANS and Trunking protocols.
  • LAN/WAN hardware including Ethernet Hubs, Cisco Switches, switch panel installation, configuration and troubleshooting, Frame-Relay configured support.
  • Provided network security administration functions including hardware access, software access, passwords, user privileges and related tasks.
  • Configured inside ACL and interfaces, outside ACL and interfaces.
  • Configured NAT and PAT policies.
  • Configuration and troubleshooting of EIGRP, OSPF, BGP.
  • Design OSPF areas for reliable Access Distribution and for Core IP Routing.
  • Support the project manager in defining the work and the associated effort, duration, and resource needs to deliver the solution.
  • Extensively used TCP/IP tool like TELNET for remote login to the routers and SSH for secure login.

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