Network Engineer/Admin
Resume:
Prabhu
*********@*******.***
PROFESSIONAL SUMMARY
Over 7 years of experience as a Networking Professional in areas concerned with network design, implementation, operations and troubleshooting enterprise and service-provider data networks.
Experience in Administrating and troubleshooting Windows 2008 server (Dedicated Server), managing user accounts and giving share & security level permissions, Applying Company Policies.
Installation of Active Directory Service on windows 2003/2008/2012
Administration of Esx/Esxi servers, Guest OS installing, setting of VM priorities, Clon & Snapshots.
Experience in handling tickets opened for network related issues and resolving as per SLA.
Experience in Installation and configuration of Norton antivirus software and McAfee antivirus software.
Experience in troubleshooting issues related to VMware & UCS in deploying stage.
Experience in troubleshoot network issues including boundary protection devices, Cisco Nortel/Avaya and Bluecoat Proxy Servers.
Experience in Cisco IDS/IPS, Cisco PIX […] ASA 5520, 5540, 5550, VSX, Juniper Netscreen Firewall, Juniper SRX Windows/Linux/Unix Security configurations.
Experience in configuration and troubleshooting of routing protocols EIGRP, BGP, OSPF, Gateway Redundancy protocols HSRP, GLBP and QoS, 802.1Q. VLANs, VTP, VRRP, VRF. Strong hands on experience in installing, configuring, and troubleshooting of Cisco ASR9K, CRS, 7600, 7200, 3800, 2800 series routers, Cisco 6500, 4500, 3750, 2950 series switches.
Experience in working with HP, Aruba, Cisco Switches.
Designing, Securing, and Managing local and remote networks consisting of Cisco, Meraki.
Experienced with Cisco Unified Contact Center Enterprise (UCCE) to provide routing, call management.
Hands on experience with ACI(Application Centric Infrastructure) with spine and leaf architecture.
Proficiency in configuring different layer 2 technologies which includes Virtual Local Area Network (VLAN), inter-vlan routing, STP, RSTP, VTP, Ether channel and Port Security.
Hands-on experience on Cisco Nexus 2K, 5K, 7K and 9K series switches.
Experience in installing, configuring and troubleshooting Juniper switches EX2200, EX3200, EX4200 and QFX5100 series.
Experience Working on Traffic generating tools like IXIA and SPIRENT TESTCENTER.
Continue maintenance of the NetApp SAN/NAS environment.
Experience in working with Voice Over Internet Protocol, (VOIP) and Contact center environments.
Expertise in VXLAN overlay and SDN-GW DCI technologies.
Expert understanding of WAN technologies - MPLS, DWDM, Metro Ethernet.
Good knowledge in the usage of ether channels for effective usage of bandwidth with aggregation protocols LACP and PAGP.
Experience in implementing redundancy gateway protocols which includes HSRP and VRRP.
Experience in configuring security policies including NAT/PAT and ACLs.
Experience in working with different protocols like, FTP, HTTP, DNS, DHCP, TFTP, DNP3, CIP, SNMP, syslog servers, netflow, TACACS, RADIUS
Experience in Security and management based in Zone Based Firewall, Cisco ASA, Juniper, ACS.
Experience in Network Cabling, IP addressing and Sub netting with Variable Length Subnet Masking (VLSM), Route Summarization and Route Redistribution.
Hands on experience on configuring Cisco ASA 5540, 5580 firewalls.
Experience in Cisco routing, switching. Cisco ASA. Palo Alto Next Gen firewalls. (Converting ASA to PaloAlto).
Experience in Fortinet firewalls and routing, Avaya switching, Brocade switching, Avaya phone systems.
Experience in installing, configuring and troubleshooting Checkpoint Firewalls.
Experience in management of Checkpoint VSX environment and using VSX with Multi-Domain Security Management.
Experience in Checkpoint Firewall management and gateway (600, 1180 and 12600 series appliances).
Working experience with Web Application Firewall (WAF) rules.
Experience in using different area types in OSPF which includes SA, TSA, NSSA and Virtual Links.
Good knowledge on juniper SRX240, SRX220 and SRX550 series Firewalls.
Experience in VPN technologies such as IPSEC (Site to Site and Client to Site) and Secure Socket Layer (SSL) VPN.
Configurations on the CLI (virtually and on-site).
Configuring F5 BIG-IP LTM-3600 load balancers.
Knowledge of Cisco's Adaptive Security Device Manager (ASDM) to manage the Cisco ASA security appliances and Smart dashboard for Check Point firewalls.
Improved network capabilities and reliability by evaluating, testing, purchasing and implementing new SONET, SDH, DWDM, IP/MPLS, Ethernet and Wireless technologies.
Experience with Synchronous Optical Networking (SONET) over optical fiber and monitored alarms for SONET circuits including T1’s and T3’s.
Experience in Networking Montioring tools like as Nagios, CACTI, WIRESHARK, OpenNMS.
Experience on Network monitoring tool (CA Spectrum and EA)
Maintaining and updating inventory of all network hardware, Management and monitoring by use of SSH, SYSLOG, SNMP.
Pursuing CCIE Routing & Switching certification.
Experience using Microsoft Visio to create and update network diagrams.
Experience in Windows server 2012, 2008, 2003 multiple domain infrastructure
Hands-on experience in diagnosing, troubleshooting various networking, hardware & Linux/ UNIX server's.
Excellent communication skills, good leadership qualities and excellent problem solving skills.
TECHNICAL SKILLS
Routing Protocols : OSPF v2/v3, BGP, OSPF, MP-BGP L3VPN/EVPN, RIP v1/v2, EIGRP
SDN/NFV Technologies : OpenStack, Open Contrail, Open Daylight, OVS, DPDK, SR-IOV
Overlay Protocols : VXLAN, MPLSoUDP
WAN Technologies : PPP, HDLC, DWDM, Frame Relay, MLPPP, MLFR, MPLS
LAN Technologies : VLAN, STP, LAG, HSRP, VR RP, BFD
TCP/IP Services : DNS, DHCP, SNMP, SMTP, FTP, SSH, HTTP, HTTPS
Routers : Cisco 7200, ASR1K, ASR9K; Juniper MX960, CER
Switches : Cisco Catalyst 2900, 3700, 6500, Nexus7K
Test sets : Ixia IxNetwork/IxLoad, IPERF/JPERF
Firewalls : Cisco ASA 5520, 5540, Meraki, Citrix NetScaler
Other Hardware : F5 BIG-IP LTM Load Balancer, 7960 IP Phone.
Internetworking IOS : Cisco IOS/XE/XR/NX-OS; Janos
PROFESSIONAL EXPERIENCE
Blue Cross Blue Shield, Detroit, MI June 2016 - Present
Network Security Engineer/Admin
Responsibilities:
Responsible for Virtualised (ESXi) Server, VMWARE ESXi Horizon Desktop, Storage, Network, Telecom, Security and Monitoring hardware Nimsoft Spectum.
Configuration and management of Cisco Nexus 7K/9K switches; ASR9K, routers; ASA, Check Point firewalls and F5 load balancers.
Designed and implemented a wireless network with Aruba Networks access points and wireless controller.
Configured BGP for CE to PE route advertisement inside the lab and production environments.
Configured and maintained IPSEC and SSL VPN's on PaloAlto Firewalls.
Maintain and administer firewalls: Fortinet, Cisco, and Check Point.
Troubleshoot and provide Level 2 and Level 3 support to networks, desktops, virtualization environments, servers for all types of issues.
Troubleshoot network issues involving Palo Alto, Cisco ASA, and Mcafee web gateway appliances.
Windows Server 2003 / 2008 R2 Domain Network configuration and Troubleshooting.
Bluecoat proxy servers setup, configuration, upgrade and Troubleshooting.
Support third party technologies within the ACI ecosystem such as VMware ESX, OpenStack.
Implemented and configured EIGRP, OSPF and BGP and redistribution between the protocols.
Involved in configuring and implementing Checkpoint VSX firewalls.
Implemented iSCSI, NFS, and CIFS on NetApp SAN/NAS and Synology NAS
Worked on load balancer and provided solutions for many network related issues.
Performed Network configurations in LINUX, UNIX and Windows environments.
Configuring and implementing prefix-lists, route maps and ether channels.
Created load balancing policies using BGP attributes like Local Preference, AS-Path, MED, Community etc.
Configured F5 load balancer LTM, ASM, GTM and redundancy protocols such as HSRP and GLBP.
Performing the configuration and troubleshooting of routing protocols such as EIGRP, OSPF, BGP, VRF.
Management Interconnection Network Protocols: TCP / IP, standards in data networks: IEEE 802.1p, 802.1q, 802.3 and 802.11 as the most important.
Configuration and administration of Cisco and Juniper routers and switches.
Worked on BGP multi-homing issues and HSRP router troubleshooting for the CER routers.
Operate the networking devices based on customer requirement, configure NAT rules, advertise customer leased public IP using BGP, VRRP.
Troubleshoot WiFi devices using Cisco ISE and Cisco PRIME.
Worked on Ciscoworks, Network Security, Network Analysis Tools.
Hands on workforce management with Cisco UCCM and UCCE environment.
Hands on management of network tools Solarwinds, Cacti, Cisco ACS.
Supporting the deployment of Cisco Catalyst 2k,4k,7k, Nexus, Meraki and ASA 5500 series products in data centers.
Deployment of enterprise firewalls (Cisco ASA, Checkpoint) in production environment.
Assisted in UCS network design and deployment.
In-depth knowledge IEEE 802.11 WLAN operations, designs and wireless network deployment.
Configured inter-Vlan routing, redistribution, access-control lists and Network Address Translation (NAT).
Configured client VPN technologies which includes Cisco VPN client via IPSEC.
Installation, maintenance and troubleshooting LAN/WAN (Frame Relay, NAT, DHCP, TCP/IP).
Provide onsite support for wireless, LAN/WAN and CUCM, Cisco routers and switches - WLC's, ASA's, Access Points and Cisco IP phones.
Responsible for configuration of 79xx, 88xx, 89xx, 99xx series IP phones for new users in CUCM.
Installation of VoIP Telephones, Conference Phones, and Video Phones as needed.
Traffic optimization using QOS and WAAS.
Utilized an Ixia and Spirent Testcenter to generate traffic to validate VPN configurations and also to verify traffic did not leak across VPN's.
Modified OSPF link costs to route traffic in different direction and to reduce delay, bandwidth across the links.
Configured different OSPF area types which includes stub area, TSA, NSSA and virtual links.
Implemented security policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS).
Developed IT Security and HIPAA Security policy, procedures & Establish HIPAA security protocols, maintain compliance with HIPAA policies and procedures.
Configured Juniper SRX series firewalls such as SRX240, SRX220 and SRX550
Configured BPDU guard, Port fast, Uplink fast and other spanning tree features.
Involved with pre/post production support of large contact center installations.
Implemented Voice Gateway in remote offices
Negotiate VPN tunnels using IPSEC encryption standards and also configured and implemented site-to-site and remote-to-site VPN.
Worked in Wireless technologies: 802.11 a/b/g/n.
Monitoring Link Performance And Errors using HP OPENVIEW Monitoring Tools
Operating system installation (Windows Server 2003, Windows Server 2008 R2, Windows Server 2012 R2, Windows 7, Windows 8, Windows 10).
Outlook configuration in office 2007 and office 2010.
Ford, Dearborn, MI Nov 2015 – June 2016
Network Engineer/Admin
Responsibilities:
•Design, deployment and maintenance of enterprise network and datacenters.
•Responsible for configuration and troubleshooting of Cisco ASA firewalls, using both the CLI.
•Configured security platforms based on Compliance and security standards like NIST, HIPAA, PCI.
•Configuraiton and setup of PaloAlto Firewalls (PA-3020, PA-500).
•Configure and maintain Cisco Firepower IPS/IDS and Imperva WAF.
•Hands on working knowledge of Cisco and Aruba Access points.
•IP Routing: VLAN, Spanning-tree and OSI and TCP/IP troubleshooting.
•Supporting EIGRP and BGP based network by resolving level 2 &3 problems of internal teams & external customers of all locations.
•Worked on Administration of Cisco ASC sever, TACACS, AAA, ISE server.
•Integrated and evaluated Cisco ACI, VMware NSX.
•Installed Solarwinds Network Performance Monitor with traffic analysis, application & virtualization management.
•Created different host profiles based on the load on the host, used network functions as DPDK.
•Provides UNIX / Linux infrastructure support for application teams.
•Experience building / loading driver modules from source code packages for multiple custom Linux kernels.
•Managing Users, User Profiles, Groups and Group Policies in ActiveDirectory.
•Taking Active Directory, DHCP and DNS backup and restoring as on required
•Provided redundancy in a multi homed Border Gateway Protocol (BGP) network
•Worked extensively in configuring, monitoring and troubleshooting Cisco ASA 5500, DMZ failover, zoning and configuring VLANs/Routing/NATing with firewalls as per the design.
•Configured, maintained, and troubleshot routers and switches ranging from the 1720 series through the 7200 series routers and the 2900 series through the 6500 series switches in a highly redundant dual-homed environment.
•Worked on multiple projects related to Branch networks, Campus networks, extranet clients and Data Center Environments involving in data center migrations from one data center to another.
•Successfully migrated Storage Area Network (SAN) from legacy Lefthand Networks appliances to a NetApp SAN/NAS environment .
•Configuration of Cisco 6500 (sup 720), 4500 (SUP 6) & 3750 Catalyst Switches for network access. Worked extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series, experience with convert PIX rules over to the Cisco ASA solution.
•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.
•Checking and configuring Cisco 7600 and 7200 routers at data center for remote sites' issues.
•Working on Cisco 6509 and 4507 series switches for LAN requirements that include managing VLANs, Port Security and troubleshooting LAN issues.
•Managed LAN/WAN IEEE Networking Standards for all devices throughout the network.
•Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.
•Configuration of Access List ACL (Std, Ext, Named) to allow users all over the company to access different applications and blocking others.
•Responsible for Cisco ASA firewall administration across our global networks.
Sprint, Atlanta, GA Aug 2014 – Nov 2015
Senior Network Engineer
Responsibilities:
•Configured IP routing protocols such as OSPF, LDP, RSVP TE-FRR on CRS, ASR9K Cisco routers.
•Worked extensively with BGP Route-Reflectors, AS-PATH manipulations, eiBGP load balancing, route-maps, BGP attribute mods using Local Preference, Weight and VPN route-targets.
•Experience working with BGP attributes such as Weight, Local-Preference, MED and AS-PATH to influence inbound and out bound traffic.
•Configured VLANs using Cisco routers and multilayer switches and supporting STP, RSTP, PVST along with troubleshooting on inter-vlan routing and VLAN trunking protocol 802.1Q.
•Implemented traffic rules on cisco routers using Standard and Extended Access-Control Lists.
•Worked on installation, maintenance and troubleshooting of LAN/WAN (MPLS, Frame Relay, NAT, DHCP, DWDM,TCP/IP).
•Worked in configuring CSU/DSU devices and also helped troubleshooting CSU/DSU devices.
•Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
•Worked on IPv4 addressing and divided a network into different sizes using Variable Length Subnet Masks (VLSM).
•Involved in troubleshooting IP addressing problems and updating IOS-XR images using TFTP.
•Involved in troubleshooting network problems using Ping, Cisco CLI, tracert and telnet.
•Performed and technically documented various test results on lab tests conducted.
•Troubleshoot problems on day-to-day basis and provided solutions to fix the problems.
•Involved in troubleshooting and resolved problems related to the networking and server environments.
Airtel, Hyderabad, India Sep 2012 – July 2014
Network Engineer
Responsibilities:
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.
Router/ Microsoft VPN Server in order to access certain limited network resources from customer locations.
Involved in the redistribution into OSPF on the core ASA firewall.
Experience on HSRP for load balancing.
Involved in the removal of EIGRP from all devices and making OSPF the primary routing protocol.
Performed RIP and OSPF routing protocol administration.
Supporting EIGRP and BGP based company network by resolving level 2 & 3 problems of internal teams and external customers of all locations.
Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
Designing and Implementation of (LAN) VLANs, VTP, Spanning Tree (STP), Trunking (dot1q and ISL) and Ether channel.
Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
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.
Configured network using routing protocols such as RIP, OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance for on-demand Infrastructure.
Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network.
Experience in HSRP standby troubleshooting & Experience in configuring & upgrading of Cisco IOS.
Installation, Configuration and troubleshooting Cisco switches and Firewall on multi-mode context based environments.
Configured Multiprotocol Label Switching (MPLS) VPN with Routing Information Protocol (RIP) on the customer's Site.
British Telecom, Hyderabad, India June 2009 – Sep 2012
Network Administrator
Responsibilities:
Worked on developing a web application based on Java. Administration and diagnostics of LAN/WAN with in-depth knowledge of TCP/IP, NAT, network protocols and services.
Responsible for creating and updating applications related understanding documents Configured RIP and EIGRP on 2600, 2900 and 3600 series Cisco routers.
Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
Performed IOS upgrades on 2900, 3500 series Cisco Catalyst switches and 1800, 2600, 3600 series Cisco routers using TFTP.
Implemented VTP and Trunking protocols (802.1q and ISL) on 3560, 3750 series Cisco Catalyst switches.
Configured Access List (Standard, Extended, and Named) to allow users all over the company to access different applications and blocking others.
Configured STP for loop prevention and VTP for Inter-VLAN Routing.
Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST.
Worked on network-based IT systems such as Racking, Stacking and Cabling.
Other responsibilities included documentation and change control.
Performed routine network maintenance checks as well as configure and manage printers, copiers, and other miscellaneous network equipment.
Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
Performing Backups of Cisco router configuration files to a TFTP server.
Troubleshoot LAN related problems, provided Desktop support for local and remote end-users.
Log messages using Syslog server and analyze the issues related to high CPU utilization and parameters that can degrade performance of the network.
Performed scheduled Virus checks and updates on all servers and desktops.
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