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Senior Network Engineer Resume

3.00 Rating

Rochester, MN

SUMMARY:

  • CCNA, CCNP and Juniper CERTIFIED professional with 8+ years of experience in network design, implementation, and support. Routing, switching, firewall technologies, system design, implementation and troubleshooting of complex network systems.
  • Excellent knowledge in Routing, Switching, Firewall and Gateway technologies, system design, wireless design, data network design, capacity management and network growth.
  • Exposure to LAN/WAN setup, Integration, configuration and troubleshooting
  • Hands - on experience on Up-gradation of Cisco IOS on different Cisco devices and modules
  • Provided services in many industries such as Consulting, Telecommunications and IT Infrastructure. Specializing in LAN, WAN, WLAN, and Data Center networks
  • Experienced in Troubleshooting for connectivity and hardware problems on Cisco Networks.
  • Experience in L2/L3 protocols like VLAN, STP, ISL, MPLS and Trunking protocols.
  • Experience in set up, configuration and management of Cisco ASA Firewall in various domain such as Internet, DMZ, Business-Partner and Remote-Access VPN etc.
  • Experience in creating DAP Policies on Cisco ASA for Remote-access users and Creating IPSEC tunnel on ASA with Business Partner Firewall.
  • Knowledge Cisco Data centre, Cisco Nexus and MDS Family portfolios, and Cisco Unified Fabric solution, Cisco Nexus Operating System(NX-OS) and Cisco Data Center Network Manager (DCNM) and Cloud Technology.
  • Experience in configuring and Troubleshooting BIG-IP F5 load balancer LTM
  • Creating Virtual Servers, Nodes, Pools and iRules on BIG-IP F5 in LTM module.
  • Experience in Layer 2 Routing protocol configurations: ATM/FRAME RELAY,IP services such as QoS and VPN technologies: IPSec & SSL..
  • Implemented multiple Cisco Nexus based Data-Center environments, as well as 6500/4500/3750 series switches, 7200/3900/2900/1900 series router. Multiple data center migrations and transformation projects, with great expertise on Wireshark.
  • Extensive experience in configuring and troubleshooting of protocols RIP v1/v2, EIGRP, OSPF, BGP and MPLS.
  • Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, ATM, bridges, routers, hubs and switches.
  • Hands on Knowledge/experience on F5 load balancers, its methods, implementation and troubleshooting on LTMs and GTMs.
  • Worked extensively on Palo Alto, Juniper Net screen and SRX Firewalls.
  • Well experienced in configuring HSRP, GLBP, ICMP, PPP, PAP, OSPF, CHAP and SNMP.
  • Experience in installing and configuring DNS, DHCP server
  • Expertise in installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800)
  • Expertise in installing, configuring and troubleshooting Juniper Routers ( J,M and MX-series)
  • Implement/Maintain a Juniper Environment of 600 data collection units across USA.
  • Extensive experience in dealing with Vendors for MPLS/DSL installations.

TECHNICAL SKILLS:

Cisco router platforms: 2500, 2600, 2800, 3600, 3700, 3800, 7200, 7609, ASR1k.

Cisco Switch platforms: 2900XL, 2950, 2960, 3560, 3750X, 4500, 6500

Firewalls: Cisco PIX 501, 510, 515E, Cisco ASA 5520, 5540,.

Network Configuration: Advanced switch/router configuration (Cisco IOS access list, Route redistribution/propagation).

Routing Protocols: IGRP, EIGRP, OSPF, BGPv4, MP-BGP

WAN Protocols: HDLC, PPP, MLPPP

Circuit switched WAN: T1/E1 - T3/E3/OCX (Channelized, Fractional & full).

Packet Switched WAN: ATM, FRAME RELAY, MPLS, VPNs

Security Technologies: Cisco FWSM/PIX/ASDM, Cisco Routers: Cisco GSR 12416, 12418, Cisco 7200vxr, Cisco 3640, Cisco 3600

Cisco Switches: Cisco 2960, Cisco 3560, Cisco 3750, Cisco 6500 series

Juniper Routers: E, J, M and T- Series

Cisco Nexus Switches: Cisco 7010, Cisco 7018, Cisco 5020, Cisco 2148, Cisco 2248

Redundancy and management: HSRP, RPR, NSF/NSR

Physical interfaces: Fast Ethernet, Gigabit Ethernet, Serial, HSSI, Sonet (POS)

Layer 2 technology: VLAN, VTP, VMPS, ISL, dot1q, DTP, Spanning-tree, PVST

Layer 3 Switching: CEF, MLS, Ether Channel

QOS: CBWFQ, LLQ, WRED, Policing/Shaping.

Switches: Catalyst 6500, MSFC, MSFC2, 7600, 3700, 3500

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

WAN Technologies: Frame Relay, ISDN, ATM, MPLS, leased lines & exposure to PPP, HDLC, CSU/DSU.

Operating Systems: Microsoft XP/Vista/7, UNIX, Linux (Redhat, Fedora) Windows Servers 2003/2008, Windows MS-Office.

PROFESSIONAL EXPERIENCE:

Confidential, Rochester, MN

Senior Network Engineer

Responsibility:

  • Managing State Data Center / traditional Network infrastructure to ensure quality, efficiency and dependability.
  • Analyzing complex Datacenter / classical Ethernet network, Firewalls, load balance Problems and developing corrective action.
  • Designing and configuring Data center Network, BIG-IP F5 / Load balancer using different types of routing protocols to meet users request for service following design guidelines.
  • Debugging Security incidents and seeking ways to improve State Network Security and performance, maintaining F5 Firewalls and overall State Network Security.
  • Design secure VLAN’s and ACL’s based on user/port/hardware specific use for Internet
  • Work on multiple business unit projects including bring a new site Online, circuit upgrades, and new vendor access
  • Assumed, documented, trained, and transitioned all 7X24 WAN/EVPN supports to data center teams.
  • Configuring & managing around 500+ Network &Security Devicesthat includesCisco Nexus & Arista Switches, Juniper MX Series Routers, Juniper SRXFirewalls,A10 Load balancers.
  • Configure, manage, and troubleshoot Cisco routers, switches and ASA Firewall
  • Vulnerability scanning and remediation of network software for ex: upgrading all switches to use SSH access only
  • Designed new security VLAN’s with ACL’s for new domain migration
  • Manage, configure, and backup Cisco VoIP infrastructure and call centers; Upgrade IOS versions; Cisco Unified Call Manager for 250+ VoIP users
  • Manage yearly Phone and Fax audits for our industries inside the C.I.
  • Cisco Iron Port website filtering and managing; bandwidth utilization reporting
  • Solar Winds Tool Set for Network monitoring and troubleshooting of sites connectivity
  • Manage 100+ VM Servers
  • Managed and configured Cisco Unity, Cisco Unified Call Manager for 500+ VoIP users
  • Websense website monitoring and filtering; bandwidth utilization
  • BlackBerry Enterprise Server management
  • Network management Information Systems (NMIS) monitored sites connectivity to network
  • Provide interfacing to new telecommunication services for new infrastructure deployment.
  • Provide interfacing for PBX to vendor upgrading services required as part of migration process.
  • Provide structure interfacing for new Cisco Call Manager Express required as part of deployment, VoIP < 300.
  • Install, adjust pre-configured and test Cisco WAN and LAN hardware devices for each site requirements.
  • Provide technical theory for pre-site compilation for consistent gather of design requirements.
  • Provide support for all conversion and migrations from WCS to NCS support for wireless system delivery.
  • Installed and configured Cisco Routers using IGRP, RIP, EIGRP, BGP, OSPF, 8021q, VLan, VTP, QoS, NTP, SNMP protocols. Set-up Router tables, loaded addresses, set-up address sharing, named conventions, set-up subnets/masking, access lists, etc., QoS service for key applications. Responsible for implementation of Layer 3.

Confidential, MD

Senior Network Engineer

Responsibilities:

  • Manipulation/filtering. Troubleshooting routing issues like suboptimal routing and asymmetric routing
  • Implemented various EX, SRX & J series Juniper devices
  • Responsible for 6500, 3500, Nexus switching, ASA, FWSM Firewalls, CSS and F5 load balancers, Riverbed WAN accelerators, Iron Port Proxy, and Linux/Bind DNS servers.
  • Configuring various advanced features (Profiles, monitors, iRules, Redundancy, SSL Termination, Persistence, SNATs, HA on F5 BIGIP appliances SSL termination and initiation, Persistence, Digital s, Executed various migration/upgrade projects across F5 and hands on with F5 BIGIP LTMs/EM.
  • Experienced in Integration, configuration and maintenance of Cisco Router, Catalyst Switches and Firewalls.
  • Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers.
  • Responsible for all routing, switching, VPN, network security, and server load balancing.
  • Using PBR with Route Maps for route
  • Provide technical and engineering support for QTC Management's nationwide network.
  • Configuring various BGP attributes such as Local P, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
  • Deployed the Nexus 7000/5000/2000 architecture into production securing competitive advantage across multiple verticals.
  • Configuring and managing main gateway routers of Juniper network, which include configuring BGP with upstream providers, route filtering, route maps, policy routing and routes redistribution.
  • Security policy review and configuration in Palo Alto and Juniper SRX Firewall in US offices and Datacenter. Successfully migrated the cisco legacy environment which consist of 6500, 4500 to Cisco Nexus 7k/5k/2k.Regular upgrade and maintenance of Infrastructure, Installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800) Cisco Router and Switches, Juniper Routers and Firewalls, Nexus 7k,5k & 2k, f5 BIG IP, Palo Alto Firewalls.
  • Worked extensively in Configuring, Monitoring and Troubleshooting Juniper security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls as per the design.
  • Converting CatOS to Cisco IOS Config Conversion on distribution layer switches
  • Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to GetVPN.
  • Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
  • Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links.
  • Planning, Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.
  • Provided technical support for full setup, debugged the problems of OSPF, switching and HSRP.
  • Implemented and used SDM to configure Cisco IOS security features and network connection.
  • Network Segmentation-application migrations for enterprise Private Data Firewall and data behind ASA 5585-Xs
  • Troubleshoot tcp/ip issues as necessary using fw monitor, tcpdump, wireshark/ethereal.
  • Involved in Configuration of Access lists (ACL) on Juniper and Palo ALto firewall for the proper network routing for the B2Bnetwork connectivity.
  • Switching technologies like VLAN, Inter-VLAN Routing, Ether-channel, VTP, MLS, HSRP, VRRP,
  • UDLD, Spanning Tree Protocol 802.1d, 802.1s and 802.1w.
  • Experience of IP/MPLS/Optical Transmission network for access transport & back haul network to
  • Facilitate 2/3/4G Network.

Confidential

Senior Network Engineer

Responsibilities:

  • Experienced in Integration, configuration and maintenance of Cisco 7200, 3900, 2800, 2600, 2500 and 1800 series Router / Cisco Catalyst Cisco 6500 (sup 720), 4500 (SUP 6), 3750, 2950 series Switches.
  • Configured of OSPF, BGP on Juniper Routers and SRX Firewalls.
  • Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-Vlan routing, LAN security.
  • Designed and implemented Cisco Nexus data center platform and worked closely with Cisco advance services and built Communication access zone for contact center services, management access zone for network management and monitoring tools, private wan access zone for remote site and elastic computing access zone.
  • 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.
  • Configured the Cisco router as IP Firewall and for Natting.
  • Conversions to BGP WAN routing, which converts WAN routing from OSPF to BGP (OSPF is used for local routing only) that involves new wan links.
  • Worked with Cisco advance services to implement data center Nexus environment for new Upgraded the NX-OS in nexus 7018,7010 and nexus 5548 and 5596.Consolidated multi-tiered environment into a pair of Nexus 7000 switches using VPC and VRF
  • Used Solarwind Engineering Tools set and Wireshark to troubleshoot and locate issues on the network.
  • Use of Nagios, RANCID, tcpdump, tcptrace, wireshark, iperf, and latency inducers for monitoring, diagnostics and testing.
  • Configuration included VLANs & VTP, STP port features, Gateway redundancy using HSRP, enterprise security using Cisco Port Security and Dot1X framework.
  • Hands-on experience with WAN (ATM/Frame Relay), Routers, Switches, TCP/IP, Routing Protocols (BGP/OSPF), and IP addressing.
  • Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series.
  • Configuration and maintenance of OSPF protocol which was the enterprise IGP. Configuration included deploying of new branch locations or new network devices in the existing infrastructure. Creating Stub Areas & configuring Summarization for effective Routing.
  • Troubleshooting and management Cisco, Juniper, Huawei, Redback and Extreme devices.
  • Migrated the user access switch environment which is of HP 5406 to Cisco 3750X, 3750G and 3750V2 environment to get gigabit speed.
  • Maintained a backup environment build out of HP8212ZL and HP5406ZL with 10G uplinks to the core.
  • Troubleshooting complex issues with wireshark at source and destination which can’t be resolved by the basic troubleshooting like ARP, firewall logs, switch logs and tcpdump.
  • Responsible for logging/Resolving the severity calls logged in by Incident management

Confidential

Network Engineer

Responsibilities:

  • In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
  • Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc
  • Configured and troubleshoot OSPF and EIGRP.
  • Planning and configuring the routing protocols such as OSPF, RIP, and Static Routing on the Configuring various BGP attributes such as Local P, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
  • Deployed the Nexus 7000/5000/2000 architecture into production securing competitive advantage across multiple verticals.
  • Configured of OSPF, BGP on Juniper Routers and SRX Firewalls.
  • Actively participated Implementation and customization of customer network.
  • Soft phones, Mobile phones, Intelligent Network Servers, IP PBXs management, Universal Messaging, Systems, Media Gateway Controllers, Instant Message System Functions
  • Implementation and testing of ISDN BRI/PRI circuits.
  • Single point of contact for Client networks. I will be the SPOC for maintaining their uptime from addressing new client installations/Client location moves/day to day issues etc.
  • Maintained a 3 layer Cisco architecture network with HP Procurve switches in the access layer and 6500 series as core and distribution layers.

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