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Sr Network Engineer Resume

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Deerfield, IL

SUMMARY:

  • 8 years of professional experience in Network Planning, Implementing, Configuring, Troubleshooting and Testing of networking system on both Cisco and Juniper Networks
  • Experience with the escalation problems for Routing, Switching and WAN connectivity issues using ticketing system remedy
  • Experience of routing protocols like EIGRP, OSPF, RIP, and BGP
  • Worked on Cisco 7200, 3800, 3600, 2800, 2600, 1800 series Routers and Cisco 2900, 3500, 4500, 5500, series switches
  • Extensive hands - on experience with complex routed LAN and WAN networks, routers and switches
  • Hands-on configuration and experience in setting up Cisco routers to perform functions at the Access, Distribution, and Core layers
  • Experience with BIG-IP F5 load balancers, version 9.x, 10.x, 11.x, CitixNetscalers and Web Accelerators.
  • Experience in the setup of Access-Lists, and RIP, EIGRP, and tunnel installations
  • Proficiency in configuration of VLAN setup on various Cisco Routers and Switches
  • Configure all Palo Alto Networks Firewall models (PA-2k, PA-3k, PA-5k etc.) as well as a centralized management system (Panorama) to manage large scale firewall deployments.
  • Experienced in trouble-shooting both connectivity issues and hardware problems on Cisco based networks
  • Network monitoring and debugging tools: SevOne Netscout , Wireshark
  • Wrote server scripts using Perl to work with IPv6 instead of IPv4 .
  • Experienced with VSS , VPC , Nexus7000
  • Good understanding of NAT & Firewall on Aruba Controllers.
  • Very good experience in Installation, configuration and maintenance of SQL Server.
  • Wireless design for over a total of 100 million square feet.
  • Along with other Network Engineers participated in the management and configuration of Cisco ASA, Juniper and Palo Alto Firewalls , ACL’s, and Packet Shaping devices and rules.
  • Worked on various network projects involving Cisco Routers- ASR 1000/9000, Switches-Nexus 7K/5K/2K.
  • Enhanced level of experience with OSPF, BGP, and TCP/IP
  • Hands-on experience in using network monitoring tool Solarwinds Orion.
  • Strong knowledge on cisco ISE.
  • Excellent leadership with good written and oral communication.
  • Installed, configured and deployed Cisco IP Telephony .
  • Good knowledge on Cisco RSA.
  • Build UCS manager policy-based provisioning, automation and management to high density, high performance computing.
  • Worked extensively on Juniper MX Series Routers and EX series Switches
  • Great team player and able to work under pressure 24x7 duty rotation.
  • Strong knowledge in HSRP, VRRP redundancy Protocols.
  • Strong experience on Juniper SSG series Firewalls and Checkpoint R75, 76 Firewalls
  • Experience in Network Management Tools and sniffers like SNMP, HP-Open view, Wireshark and Cisco works to support 24 x 7 Network Operation Center.
  • Experience in physical cabling, IP addressing and subnetting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.
  • Access control server configuration for RADIUS & TACAS+.
  • Hands-on experience using Cisco Virtual Switching System (VSS).
  • Good knowledge on Bluecoat proxy server SG• Knowledge of advanced technologies like VOIP, H.323, SIP, QOS, Multicasting, MPLS and MPLS-VPN
  • Experience with 802.11x wireless technology.
  • Experience with Juniper SRX 240 Firewalls
  • Ability to Install, Manage & Troubleshoot Large Networks & Systems Administration on Windows & Linux platforms in Development, Lab & Production Environments.
  • Good knowledge of CISCO NEXUS data center infrastructure with 5000 and 7000 series switches includes (5548, 7010) including CISCO NEXUS Fabric Extender (223, 2248)
  • Hands-on Experience with CISCO Nexus 9000, Nexus 7000, Nexus 5000, and Nexus 2000 platforms.
  • Experience with configuring Nexus 2000 Fabric Extender (FEX), which acts as a remote line card (module) for the Nexus 5000.
  • Adept in requirements analysis, network design, installation, configuration, maintenance and administration.
  • Tested and worked with software designers to establish a user-friendly environment.
  • Review all changes to network configuration for technical accuracy and impact and provide Multi- Protocol Network problem resolutions.

TECHNICAL SKILLS:

Cisco Platforms: Nexus 7K, 5K, 2K & 1K, Cisco routers (7600,7200, 3900, 3600, 2800, 2600, 2500, 1800 series) & Cisco Catalyst switches (6500, 4900, 3750, 3500, 4500, 2900, 6807 series)Juniper Platforms SRX, MX, EX Series Routers and Switches

Access: lists, Routing, Switching, Subnetting, Designing, CSU/DSU, IPSec, VLAN, VPN, WEP, WAP, MPLS, VoIP, Bluetooth, Wi-Fi

Firewall: ASA Firewall (5505/5510), Checkpoint, Cisco ASA

Network Tools: Solar Winds, SNMP, Cisco Works, Wireshark

Load Balancers: Cisco CSM, F5 Networks (Big-IP)

WAN technologies: Frame Relay, ISDN, ATM, MPLS, leased lines & exposure to PPP, DS1, DS3, OC3, T1 /T3 & SONET

LAN technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet, Port- channel, VLANS, VTP, STP, RSTP, 802.1Q

IKE, IPSEC, SSL: VPN

Networking Protocols: RIP, OSPF, EIGRP, BGP, STP, RSTP, VLANs, VTP, PAGP, LACP, MPLS, HSRP, VRRP, GLBP, TACACS+, Radius, AAA, IPv4 and IPv6

Operating System: Windows 7/XP, MAC OS X, Windows Server 2008/2003, Linux, Unix

PROFESSIONAL EXPERIENCE:

Confidential, Deerfield, IL

Sr Network Engineer

Responsibilities:

  • Configuring Static, IGRP, EIGRP, and 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 Easy VPN server and SSL VPN to facilitate various employees’ access internal servers and resources with access restrictions
  • Responsible for entire company network infrastructure that includes Cisco Switches, Routers, Firewalls, Access Points, Servers and PBX.
  • Configured VLAN’s, Private VLAN’s.
  • Design, and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls
  • Subject Matter Expert for juniper Routing, Switching, Security, and VPN Systems
  • Implementation of Site-to-Site VPNs over the internet using 3DES, AES/AES-256 with ASA Firewalls
  • Configure various LAN switches such as CISCO CAT 2900, 3550, 4500, 6509 switches and Access layer switches such as Cisco 4510, 4948, 4507 switches for VLAN, Fast Ether Channel configuration.
  • Designed and Implemented Firewalls, F5Viprion deployments to Front end and DMZ customers
  • Measure the application performances across the MPLS cloud through various routing and switching methods.
  • Configured inside ACL, outside ACL, inside, outside interfaces.
  • Configured NAT and PAT policies.
  • Configuration and troubleshooting of EIGRP, OSPF, BGP.
  • Configuration and troubleshooting of CSM, integration with ASA devices.
  • Experience in migration of VLANS & Configured VLANs with 802.1q tagging, Ether channels, and Spanning tree for creating Access/distribution and core layer switching.
  • Installed and configured DNS, DHCP. Responsible for creating and configuring FORWARD LOOKUP ZONE AND REVERSE LOOKUP ZONE
  • Redistributed required routes from OSPF in to BGP. OSPF cloud is present in US and is connected to all our customers over Sprint’s Frame Relay backbone
  • Managed Plan of Record with PLMs/SE/Sales/Marketing and followed up and monitor product lines of Juniper routing/switching/security portfolio (MX, PTX, EX, SRX)
  • Proficient with F5 LTM and Cisco CSM load balancer in-between the servers inside the server farm and DMZ.
  • Implementation of Access Lists for allowing/blocking desired traffic.
  • Configured EBGP load balancing and ensured stability of BGP peering interfaces
  • Implemented site to site VPN in Juniper SRX as per customer Worked on Route-Reflectors to troubleshoot BGP issues related to customer route prefixes also route filtering using Route-maps.
  • Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA5500 Firewalls.
  • Managing and configuring 4 juniper SSL VPN appliances (SA-4500 & 4000) for TSNA and ATS customers
  • Deployed BIG IP Enterprise manager to cluster all the F5 LTM, GTM, ASA, Netscreen devices for easier management and common configurations.
  • Involved in migration of F5 Local traffic managers of LTM 5100 series to LTM 6800 series for higher.
  • Extensive use of NSM (Network and Security Manager) and CSM (Cisco Security Manager) for adding or modifying firewall policies for the firewalls in use.
  • Worked extensively on Cisco ASA 5500(5510/5540) Series, experience with convert PIX rules over to the Cisco ASA solution.
  • Worked on migration of existing PIX firewall to ASA firewall, PIX OS upgrade from 6.3 to 7.0.
  • Implemented F5 hardware refresh of older 3600 hardware toViprion.
  • Design and Implement DMZ for FTP, Web and Mail Servers with CISCO PIX 506, PIX515
  • Worked extensively on Cisco ASA 5500(5510/5540) Series, experience with convert PIX rules over to the Cisco ASA solution.
  • Building the VPN tunnel and VPN encryption.
  • Mapped, Network Diagrams and physical identification in MS Visio.
  • Preformed IOS upgrades on cisco routers and switches
  • Worked with engineering team to resolve tickets and troubleshoot L3/L2 problems efficiently.
  • Configured Cisco 2800, 3800 routers and 3750, 4500, 6500 switches as part of the implementation plan.

Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/ switches and Cisco 3640/1200/7200/3845/3600/2800 routers, Cisco ASA 500, Checkpoint, windows server 2003/2008: F5 BIGIP LTM, RIP, OSPF, BGP, EIGRP, LAN, WAN, VPN, HSRP

Confidential, Miami, FL

Sr Network Engineer

Responsibilities:

  • Maintain and track the status of device supplied to the client.
  • Coordinating with JTAC for faulty part replacement and configuring standby device to support customer with minimal downtime.
  • Implemented Juniper firewall &switches.
  • Installation & Maintenance of Juniper switches routers &firewalls.
  • Implementing and maintaining WAN/LAN and WLAN networks in different diagrams
  • Implemented various EX, SRX & J series Juniper devices.
  • Involved in troubleshooting L3VPN issues and updating Junos images, UTM Anti-virus and IDP.
  • Identified opportunities for implementation of network best practices, particularly F5 load balancer implementations.
  • Monitor performance of network appliances and WAN utilizing using network analyzer like Wireshark.
  • Study of migration of the old WAF infrastructure from DenyAll to F5 BIG IP ASM technologies.
  • Responsible to providing support for IT infrastructure in the laboratory. Surveillance activities for physical and virtual switches. Openflow, 802.1x and MAC authentication test.
  • Deployed BIG IP Enterprise manager to cluster all the F5 LTM, GTM, ASA, Netscreen devices for easier management and common configurations.
  • Involved in migration of F5 Local traffic managers of LTM 5100 series to LTM 6800 series for higher.
  • BigIP ASM Positive and Negative Policy Reinforcement, iRule, Full proxy for HTTP, Server Performance Anomaly Detection.
  • Design and integration of Juniper SSG series firewalls, SA VPN Appliances, J series Routers, and EX series switches.
  • Help in building Cisco UCS servers to simplify data center architecture; reduce the number of devices to purchase, deploy, and maintain; and improve speed and agility.
  • Knowledge in implementing and configuring F5 Big-IP LTM-6400 load balancers.
  • Security systems and appliances Cisco ASA 5520, Fortinet, Bluecoat, Packet Shaper 7500).
  • Extensive experience in using T-SQL (DML, DDL, DCL) in SQL Server … platforms.
  • Configuring and managing FC zones on Cisco 9K/7K/5K.
  • Firewall worked upon include Checkpoint (R77 GAiA GUI) and Cisco ASA's (ASDM GUI).
  • Focused on building new content and functionality for several F5 ecommerce sites.
  • Created and resolved Palo Alto and Checkpoint Firewalls Rules, Routing, Pushed Policy.
  • Created and resolved Checkpoint, Palo Alto Customer Orders, and Request Orders.
  • Configuration of Fabric path and connectivity between Nexus 7K and Nexus 5K.
  • And compared the results of parameters like delay load of both TCP and UDP on OPNET IT GURU Technologies: C++, GNS3, OPNET IT GURU and Photoshop.
  • Configuration and installation of Nexus 5K.
  • Researches software and hardware issues related to the company's IP Telephony infrastructure
  • Designed, installed, configured and deployed enterprise-wide Cisco IP Telephony platform.
  • Migration of corporate networks from IPv4 to IPv6.
  • Experience in CSM& Waterfall Methodologies
  • Expert in designing reports using SQL Server Reporting Services (SSRS) and Excel Power Pivot table based on OLAP cubes
  • Configuring Routing protocols like BGP, OSPF, MPLS, multicast and L2 protocols in ASA to check it is passing through via ASA in customer deployments.
  • Installed controller and light weight access point coordination with JTAC.
  • Managed all project work related to F5.com development (code, content, and marketing).
  • Drove development of new API's related to F5 product trials that focused on verifying and capturing.
  • Maintenance and trouble-shooting of LAN, WAN, IP Routing, Multi-Layer Switching.
  • Performed interconnection of customer sites using IPSec VPN.
  • Perform Packet shaper Bluecoat 75000 OS upgrade, maintenance and configurations
  • Shipping Aruba bundle to work at home users
  • Palo Alto/Checkpoint Firewall troubleshooting and policy change requests for new IP segments that either come on line or that may have been altered during various planned network changes on the network.
  • Cisco ASA and PIX: NAT, Failover, Remote VPN, ACLs.
  • Performing onsite data center support including monitoring electrical power, switch alarms, network alerts and access logs.
  • VSS, VPC, VRF, VDC, SNMP, Netflow, NAT, ACL.
  • RTMT experience with VoIP and VoSIP (monitoring clusters).
  • Installation and trouble-shooting of routing protocols like static and dynamic.
  • Implemented site to site VPN in Juniper SRX as per customer.
  • Provides direct support for all hardware moves, adds, and changes for the VoIP devices.
  • Configure Aruba routers for work at home Humana employees.
  • Responsible for providing Certification and Accreditation support for Cisco VoIP systems and helping with Voice Engineering efforts.
  • Developing access lists to meet user specifications.
  • Supporting core layer, distribution layer and access layer issues.
  • Tracking and installation of requirements & development by working with client and related teams to implement changes.
  • Installed high availability Big IP F5 LTM and GTM load balancers to provide uninterrupted service to customers.
  • Optimizing and monitoring the performance of a WLAN, LAN, WAN and user's segments
  • Preparing weekly reports and follow- up with clients.
  • Update data related to network configuration, setup and implementation of Juniper Topology.
  • Coordinate with Project Managers, sales and call center (customer service) to deliver best quality of service to the customer.
  • Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers
  • Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
  • Maintain connectivity for approximately 300 switches and routers in a 500+ node network.
  • Troubleshooting any and all network problems involving LAN, WAN, BGP, EIGRP, MPLS/VPN, VRF - VPN Routing and Forwarding Instance, SIP Trunking, Internet ISP, Multi homed - BGP with Level-3 Datacenters.
  • WLAN integration of all hotspot access points with wired central LAN infrastructure by using bridged backhaul point to point, point to multi-point and mesh type wireless network topology
  • Experience with deploying Fabric Path using Nexus 7000 Devices
  • Experience with configuring OTV between the data centers as a layer 2 extension.
  • Experience with configuring FCOE using Cisco Nexus 5548.
  • Implemented cluster and configuration of SRX-100 Juniper firewall.
  • Implemented cluster and configuration of SRX-110 Juniper firewall.
  • Installed Trapeze-MX 2800 wireless controller and light weight access points.
  • Working with MPLS Designs from the PE to CE.
  • Maintain, monitor, and troubleshoot network devices, wireless.
  • Experience with designing and deployment of MPLS Traffic Engineering
  • Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks
  • Design and deployment of MPLS QOS, MPLS Multicasting per company standards.
  • Managing health check of Network devices this is involves upgrading IOS on every quarter after checking the vulnerability of IOS and reviewing the configuration
  • Implemented Virtual chassis of EXseries Juniper switches as per client requirement.

Confidential, Weston, FL

Network Engineer

Responsibilities:

  • Actively participated and completed many projects based on MPLS VPN, Internet Solutions for corporate customers Backbone.
  • Actively participated Implementation and customization of customer network.
  • Hands on experience working on Cisco 7600, 12K, ASR routers & Juniper MX series and Juniper BRAS.
  • Currently working on wireless upgrade project for Allegheny Health network and their EPIC roll out.
  • Designing, Provisioning and Installation of the Customer Sites in Oracle IPSA for MPLS Backbone.
  • Verifying IPv4/IPv6 Addressing Architecture.
  • Verifying Dynamic Host Configuration Protocol for IPv6 (DHCPv6) and DNSv6 options.
  • Performed wireless network design, site surveys, as well as Troubleshooting and repairing any issues that occurred on site.
  • Managing proxy server for branches and head office for internet access through Bluecoat Proxy SG600 for URL Filtering, traffic acceleration and visibility reporting with Bluecoat reporter.
  • Configuration and troubleshooting of many link types i.e. SONET Controllers for sub E1/T1, E3/T3 and POS controllers for STM1 links.
  • Provided tier 3 support for Checkpoint Firewall-1 software to support customers.
  • Work on Checkpoint Platform including Provider Smart Domain Manager. Worked on configuring, managing and supporting Checkpoint Gateways.
  • DNS Zone administration for 13 countries across EU for COLT customers.
  • Implementation and testing of ISDN BRI/PRI circuits.
  • Migrated Vlans from ASA (perimeter firewalls) to FWSM’s for better security management
  • Responsible to troubleshoot the connectivity between CPE router and the COLT's edge router (SAR).
  • Worked closely with RIR(Regional Internet Registry) to procure PI(Provider Independent) and PA
  • Responsible for troubleshooting complex networking issues in service provider MPLS & internet
  • Aggregately) IP addresses and AS numbers for COLT and customers.
  • Set up DNS Reverse Delegation according to RIPE rules in RIPE Database.

Confidential

Network Engineer

Responsibilities:

  • Configured Cisco Routers for OSPF, RIP, IGRP RIPv2, 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.
  • Installing new equipment to RADIUS and worked with MPLS-VPN and TACACS configurations.
  • 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.
  • Providing technical support to LAN & WAN systems.
  • Configuring all the required devices and equipment for remote vendors at various sites and plants.
  • Installation and maintenance of new network connections for the customers.
  • Installing and maintaining Windows NT Workstations and Windows NT Server.
  • Monitor performance of network and servers to identify potential problems and bottleneck.
  • Real time monitoring and network management using Cisco Works LMS.
  • Monitoring Memory/CPU on various low end routers in a network.
  • 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.
  • Performed administrative support for RIP, OSPF routing protocol.
  • Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.

Confidential

Network Engineer

Responsibilities:

  • Experience in Cisco/Juniper Networking, Security that includes Designing, Deployment and providing network support, installation and analysis for a broad range of LAN / WAN protocols.
  • Hands On experience Cisco IOS, for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Voice/data circuits, routers/switches, and cellular technologies.
  • Responsible to run different kind of Network test this includes MPLS, BGP, and SNMP.
  • Configured Multiprotocol Label Switching (MPLS) VPN with Routing Information Protocol (RIP) on the customer’s Site.
  • Experience on Trafficking of TCP/UDP through NAT and know the role of port preservation for TCP.
  • Experience in VPN Tunneling.
  • Upgraded IOS on various Cisco Routers like 3945 and 2921 as well as switches like 3750, 4500 and 6500.
  • Upgrades and backups of Cisco router configuration files to a TFTP server.
  • In-depth knowledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, Firewalls.
  • Configured OSPF redistribution and authentication with type 3 LSA filtering to prevent LSA flooding.
  • Experience establishing and configuring Enterprise Active Directory including firewall settings, group policies, and user/device accounts.
  • Expertise implementing security protocols like IPSEC, DNSSEC, and 802.1 x.
  • Co-ordinate with the Data Network and Security team and come up with possible solutions.
  • Cisco Secure Access Control Server (ACS) for Windows to authenticate users that connects to a VPN 3000 Concentrator.
  • Knowledge on WPA encryption, WLAN, IEEE 802.11 standards and SSID setup.
  • Responsible for day-to-day management of Cisco Devices, Traffic management and monitoring.
  • Experience managing IDS or IPS networking technologies.
  • Responsible for Manual testing, reporting defects and working closely with development in narrowing down issues.
  • Provide support 24x7 on and as needed.

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