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Sr. Network Engineer Resume

PROFESSIONAL SUMMARY:

  • Offering 8+ years of rich experience in Installing, Managing and Network Administration WAN, LAN (Routing &Switching) also in Firewall Security with includes Trouble Shooting.
  • Set up Cisco & Juniper routers (LAN & Wireless) switches, VPN & Firewalls (Sonic, Cisco ASA)
  • Working experience on management of LAN, Wireless LAN & WAN, VPN and knowledge of MPLS.
  • Experience in layer - 3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, 2K series, Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800, 1700 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900, 3700, 4000, 5000 series switch.
  • Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, EIGRP, RIP, BGP v4, MPLS.
  • Worked on different technologies of T1/E1 along with deployment of WAN technologies like frame relay, HDLC, PPP.
  • Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP and Spanning tree protocols, Implementation of HSRP, VRRP for Default Gateway Redundancy.
  • Tested JUNOS images on Juniper MX & T series router platforms covering various protocols and technologies like OSPF, BGP, LDP, MPLS, Layer3 VPNs, VPLS
  • Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
  • Responsible for Check Point and Cisco ASA firewall administration across global networks.
  • Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration.
  • Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
  • Experience working with Nexus 7K, 5K, 2K devices.
  • Experience in Physical cabling, IP addressing, configuring and supporting TCP/IP.
  • Supporting EIGRP and BGP based PwC network by resolving level 2 &3 problems of internal teams & external customers of all locations.
  • Configure VRRP & GLBP and VLAN Trucking 802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.
  • Extensive experience in managing & delivering projects, conducting business analysis to determine requirements and planning for network implementation at the enterprise scale.

PROFESSIONAL EXPERIENCE:

Confidential

Sr. Network Engineer

Responsibilities:
  • Experience with moving data center from one location to another location, from Cisco 6500 based data centerto both Cisco 6500 & Nexus based data center
  • Experience with implementing Cisco 6500 VSS at the distribution/core switches.
  • Designed and Deployed QOS on entire LAN and WAN edge devices in place of existing non-consistent QOS policy
  • Responsible for entire LAN and WAN maintenance and troubleshooting of the company network.
  • Design and deployment of multi-tenant infrastructure using Cisco ASR 1000s and Cisco ISR G2 series routers leveraging VRFs, route-targets, route distinguishers, route-maps and prefix lists • Architected Core Routing solutions with CRS-1 and ASR 1000/9000 platforms for OC -12 and 10 GB Ethernet functionality
  • Reviewed customer configurations. Recommendations made to suit Cisco Best Practices. (QoS, COPP, BGP, OSPF, EIGRP, MPLS, FabricPath)
  • Involved in the team for designing and Configured Nexus 7000/5000/2000 in Top of Rack & End of Row Architecture for a Scalable Production Network that supports Rack & Blade server architecture in a Multi-Tenancy environment using VPC, VDC & VRF.
  • Implemented Voice VLANS, UDP, SIP, and RTP and provide QOS by DSCP and IP Precedence. 
  • Integrated VoIP with PSTN and setup voice Gateway ensuring QOS for Cisco based Voice over IP and CDR for voice call Accounting.
  • Experience in Configuring, upgrading and verifying the NX-OS operation system
  • Experience with configuring OTV between the data centers as a layer 2 extension.
  • 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.
  • Experience working with BGP attributes such as Weight, Local-Preference, MED and AS-PATH to influence inbound and out bound traffic
  • Involved in Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, InterVlan routing and LAN security.
  • Use and maintain routing protocols EIGRP, OSPF and BGP on the Routers in the network & also worked on BGP Route Reflectors, Confederations
  • Deployed a large-scale HSRP solution to improve the uptime of collocation customers, in the event a core router became unreachable.
  • Configured and designed LAN networks with Access layer switches such as Cisco 4510, 4948, 4507 switches.
  • Worked on F5 LTM, GTM series like 6400, 6800, 8800 and Radware for the corporate applications and their availability.
  • Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with Cisco ASA VPN experience

Environment: Juniper SRX, Juniper MX, Cisco LAN, WAN, RIP, OSPF, BGP, EIGRP, STP, VLAN, VPN, F5 Load Balancer, Troubleshooting, Checkpoint.

Confidential

Detroit, MI

Sr. Network Engineer

Responsibilities:
  • Experience working with Cisco IOS-XR on the ASR9000 devices for MPLS deployments
  • Experience with migrating from OSPF to BGP WAN Routing protocol
  • Installation and Configuration of Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design Document and followed the change process as per IT policy It also includes the configuration of port channel between core switches and server distribution switches
  • Experience with setting up MPLS Layer 3 VPN cloud in data center and also working with BGP WAN towards customer
  • Experience with moving data center from one location to another location, from 6500 based data center to Nexus based data center
  • Experience in communicating with different customers, IT teams in gathering the details for the project
  • Configuration 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
  • Create and test Cisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPNs
  • Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers
  • Experience in WAN technologies like T1/T3, DS3, STM1 and STM4 circuit types
  • Configured Security policies including NAT, PAT, VPN, Route-maps and Access Control Lists
  • Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
  • Worked on Cisco Routers, Active /Passive Hubs, Switches, Cisco PIX Firewall, Nortel VPN Concentrators TCP/IP, NAT and Checkpoint ESX/GSX firewall
  • Detailed Support to Customers of Microsoft Azure in Design, Develop, Debug, And Migration of on Premises Infrastructure into Public or Private Clouds.
  • Functional Management of the Azure Network in customer as well as production perspective.
  • Hands-on experience in the network management of circuits using TDM and Frame Relay network, performing configuration and provisioning management, fault management and performance monitoring
  • Configuring and implementing F5 BIG-IP, LTM, GTM load balancers to maintain global and local traffic

Environment: 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

Confidential

McLean, VA

Sr. Network Engineer

Responsibilities:
  • Worked on Juniper J series j230, M 320 routers and EX 3200 series switch.
  • Configuring HSRP for network redundancy and High availability.
  • Involved in designing of LAN (Ethernet) and WAN infrastructure for the new Data Centre Using MS Visio.
  • Coordinated with team for the migration of T1, T3 circuits and for new EVPL connection.
  • Verification of T1 circuit using Loopback test, and helped in successful T1 cutover.
  • Configured and upgraded the memory of new Cisco 3825 series router.
  • Worked on routing protocols like EIGRP, RIP and BGP.
  • Installed and configured Ansibile and created play books to automate simple tasks. 
  • Installed and configured DCHP server to give IP leases to production servers. 
  • Configuring VPN for site-site and remote access.
  • Designing and configuring IP address schemes.
  • Maintaining Cisco hardware and Cisco IOS upgrade.
  • Configured Cisco 1231 Access points with 5 959 and 49 41 antennas (802.11/a/g).
  • Configured and supported Cisco firewall PIX 500 series.
  • Configuring AAA using Tacacs+ and ACS server.
  • Responsible for configuring Cisco IP phones and implementing Qos prioritizing voice traffic.
  • Troubleshooting the TCP/IP networks for connectivity, outages and slow network issues and recommended
  • appropriate and cost-effective solutions for the congestion.
  • Network consists of Heavy Cisco equipment such as: Cisco 3 560 295 0 2924 switches, Cisco 6 509 651 3 5500 series Layer 3 switches, Cisco 3 825 364 0 7200 series routers, Cisco Pix firewall 500 series and Wireless Access points Cisco 1230.
  • Implemented, configured and installed new Cisco catalyst 6 513 and 65 09 with dual supervisor engine 720’s from the scratch for the core group.
  • Configured and managed OSPF redistribution and authentication with type 3 LSA filtering and to prevent LSA flooding and also configured OSPF over frame relay networks for NBMA and point to multipoint strategies.
  • Designing, configuring, implementing and troubleshooting (LAN) VLAN’s, VTP, Spanning Tree (STP), Trucking (dot1q and ISL) and Ether channel.
  • Implementing and managing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
  • Configuring and implementing F5 BIG-IP, LTM, GTM load balancers to maintain global and local traffic
  • Worked on change management documentation of Network infrastructure design using Microsoft Visio.
  • Provided redundancy in a multi-homed Border Gateway Protocol (BGP) network by tuning AS-path.
  • Installed configured Firewall Services Module (FWSM) on catalyst 6500 switch.
  • Hands on experience with Nexus Switches 2K, 5K and 7K.
  • Involved in Configuring and implementing of Composite Network models consists of Cisco7600, 7200, 3800 series and ASR 9k, GSR 12K routers and Cisco 2950, 3500, 5000, 6500 Series switches.
  • Configure VRRP & GLBP and VLAN Trucking 802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.
  • Negotiate VPN tunnels using IPsec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/ 12000 /72 00/3845/3600/2800 routers, Cisco ASA5510, Checkpoint, F5 Load Balancer, Cisco Nexus7K/5K/2K

Confidential

Jr. Network Engineer

Responsibilities:
  • Configured L2 switches (2950,2960), Routers (1841,2811)
  • Designing branch wise networks and configuring VLAN’s.
  • Configured TRUNK between VLAN’s.
  • Implementation of OSPF and BGP on Juniper routers.
  • Restricting access level permissions to users and blocking/filtering network using checkpoint firewall.
  • Has experience in installation, troubleshooting, configuration and maintenance of server
  • Operating system (windows).
  • Monitoring and configuration of LAN and WAN.
  • Installing and configuring network devices like NIC cards, Switches, Hubs, Modems.
  • Installing and Upgrading Antivirus software’s like AVAST, NORTON, MACFEE etc.
  • Discussing and resolving issues directly with clients on a need basis.
  • Plans, coordinates, implements and supports the LAN / WAN hardware, software and Internet /Intranet integration network connectivity, diagnose network failures and resolve any problems.
  • Cisco 7200, 7600, 3800, 3600, 3400, 2800, 2600, 2500, 1800 ASR 1K, 7K, 9K, GSR 12K
  • Responsible for implementation and day to day operations of all associated hubs, routers, bridges, gateways and related equipment
  • Monitoring the network, troubleshooting network problems, implementing changes, communicating and working closely with vendors, customers, system administrators
  • Troubleshoot Frame Relay; T1, T3, IP and OSPF related router and circuit issues.
  • Responsible for LAN and internet connection file and print server.
  • Maintained and installed new internet connections for customers.
  • Created load balancing policies using BGP attributes such as Local Preference, AS-Path, MED, Community etc.
  • Validate existing infrastructure and recommend new network designs.
  • Created Installed and maintained local printer as well as network printers.
  • Handled installation of Windows NT Server and Windows NT Workstations.
  • Handled Tech Support as it relates to LAN & WAN systems

Environment: Cisco Switches and Routers Juniper, LAN and WAN, AVAST, NORTON, MACFEE etc, OSPF and BGP.

Confidential

Jr. 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.
  • Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
  • Once trouble ticket has been created keep customer informed of status of ticket and estimated time to repair.
  • Coordinating with service providers for WAN link outages.
  • Checking and configuring Cisco 7 600 and 72 00 routers at data center for remote sites’ issues.
  • Working on Cisco 6 509 and 45 07 series switches for LAN requirements that include
  • Upgraded and updated Cisco IOS from 12.3T to 12.4. Used to DHCP to automatically assign reusable IP addresses to DHCP clients.

Environment: Cisco Switches and Routers, LAN/WAN, EIGRP, OSPF, BGP, DHCP Cisco 3750, 3550, 3500, 2960

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