Network Technical Support
Srikanth Reddy
ac12hz@r.postjobfree.com
Professional Summary
* ***** ** ********** ** Networking and Security, including hands-on experience in providing network support, installation and analysis for a broad range of LAN / WAN communication systems.
Expert Level Knowledge about TCP/IP and OSI models.
Experience with designing, deploying and troubleshooting LAN, WAN, Frame-Relay, and Ether-channel.
Experience in Configuring & implementing VLAN, VTP, LAN switching, STP and 802.x authentication in access layer switches.
Experienced in design, installation, configuration, administration and troubleshooting of LAN/WAN infrastructure and security using Cisco routers/Switches/firewalls.
Experience in installing and configuring DNS, DHCP server.
Experience in configuring Site-to-site and remote access VPN solutions.
Enterprise Routing experience using protocols RIP v1 & 2, EIGRP, OSPF and BGP.
Configure and setup Cisco Router, Switches and VPN Concentrators and Security appliances for access to vital business applications.
Design, setup and configure complex switching environments.
Maintain a thorough understanding of Local Area Networking.
Assist in the design of multi-server environments including IP address schemes, DNS, DHCP, WINS, Ether-Channel (Bonding), etc.
Maintain a thorough understanding of the basics behind the Internet and its workings (Security, IP Routing, HTTP, VPN, Email Routing etc.).
Performed security operations on ASA firewalls.
Worked on Citrix NetScaler Access Gateway configurations.
Configured Security policies including NAT, PAT, VPN, Route-maps and Access Control Lists
Configuring, Administering and troubleshooting the Checkpoint and ASA firewall.
Enterprise Switching with VLANs, Trunks, Spanning Tree, Port Spanning etc.
Expertise in maintenance of layer2 switching tasks which advocate VTP, STP, RSTP, PVST, RPVST, configuring of ether channel with LACP and PAGP along with troubleshooting of inter-VLAN routing.
Experience in configuring VDC, VPC and FCOE, upgrading NX-OS for Nexus Family Switches.
Design, configuration, and support of Cisco Nexus Platforms (Nexus7K, 5K, 2K).
Experience in Physical cabling, IP addressing, configuring and supporting TCP/IP.
Worked on Extensively on Cisco Firewall & ASA 5500(5510/5540) Series.
Thorough understanding of VPN technologies like IPsec, GRE tunneling, MPLS for remote access security.
Experienced working on network monitoring and analysis tools like, SOLAR WINDS, and Wireshark.
Supervising the administration of systems and servers related network to ensure availability of services to authorized users.
Experience in managing, administration and designing of IP Backbone Network and spearheaded the strengthening IP Backbone Network Security.
Experience working with different wan transports MPLS, VPN, Metro Ethernet
Configured ASR 1K routers as head end WAN routers and implemented BGP with VRF & OSPF instances.
Create a Virtual Network on Windows Azure to connect all the servers.
Performed deep packet analysis to troubleshoot application issues using tools like Wire-shark.
Working knowledge of DNS as required when deploying load balancing configurations and also monitored packet flow in load balancers.
Efficient at use of Microsoft VISIO/Office as technical documentation and presentation tools.
Technical Skills:
Programming Languages: C, C++,C#,SQL SERVER,ASP.NET,JAVA SCRIPT
Network Configuration: Advanced switch/router configuration (Cisco IOS access list, Route redistribution/propagation)
Cisco Routers: Cisco GSR 12416, 12418, Cisco 7200vxr, Cisco 3640, Cisco 3600
Network Protocols: TCP, UDP, HTTP, FTP, DNS, SMTP, POP3, IMAP, VoIP
Network Security: Firewalls, VPN and SSL
Load Balancer: F5-Big-Ip, LTM, Ax10
Layer 2 technology: VLAN, VTP, VMPS, ISL, DTP, Spanning-tree, PVST
Layer 3 Switching: CEF, MLS, Ether Channel
Routing Protocols: IGRP,EIGRP, OSPF, VRRP, HSRP, GLBP, and RIP
Switching Protocols: STP, RSTP, PVSTP, VTP, ARP and VLAN
IP Services: DHCP, NAT, VLAN, DNS, FTP, TFTP, LAN/WAN
Network Technologies: IPsec, GRE, IPv4, IPv6
Switches: Catalyst 6500, MSFC, MSFC2, 7600, 3700, 3500
WAN Protocols: HDLC, PPP, MLPPP
Security Technologies: Cisco FWSM/PIX/ASDM, Juniper SRX, Cisco ASA, Checkpoint, Palo Alto
WAN Technologies: ATM, ISDN, PPP, MPLS, ATT, 802.11, 802.11a, 802.11b
Operating Systems: Windows Exchange Server 2007, Window 2000/XP/Vista, DOS, Windows server 2003/2008, Linux, UNIX, IOS
CERTIFICATIONS:
CCNA - Cisco Certified Network Associate
CCNP - Cisco Certified Network Professional
Professional Experience
State Farm, Bloomington, IL Nov 2015 – Present
Sr. Network Engineer
Responsibilities:
Performed switching technology administration including VLANs, inter-VLAN routing, STP, RSTP, port aggregation & link negotiation.
Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external escalation procedures and customer notifications.
Configured &Troubleshooting with BGP OSPF, EIGRP.
Configuring VLANs, STP, VTP and Inter-VLAN routing in LAN environment.
Configuring and troubleshooting with Cisco ASA (5550/5520), Juniper SRX (3600/650)
Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
Configuration & maintenance of Cisco 2600 series routers with OSPF protocols.
Upgrading the network by translating protocol like EIGRP to OSPF.
Used DHCP to automatically assign reusable IP addresses to DHCP clients.
Implemented Cisco IOS Firewall IDS using 2600 series router.
Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers
Experienced with PPP and TCP/IP internals and debugging techniques
Designed network architectures and implementation of network Switches.
Configured VTP domain, trunk links, ether channels and remote VLANs on Cisco and other vender’s switches
Configured and installed new IP addresses for new users by using IP Addressing and Subnetting Scheme.
Create a Virtual Network on Windows Azure to connect all the servers.
Creating and updated network shares, adding permissions software and groups for users through Windows server Active Directory.
Troubleshooting the network for the connectivity issues and network performance issues.
Laying down the network design for the premises and recommending the required equipment’s.
Getting the issues solved in a timely manner and escalating the problems which require intervention from higher levels.
Ensuring proper working of all the network equipment’s (routes switches & firewall).
Producing reports network productivity, plans and issues for higher management.
LAN / WAN installation, Configuration and support / IOS update (CISCO routers, Switches).
Administer & troubleshooting Manage engine firewall analyzer, MRTG Graph for bandwidth utilization.
Responsible for network documentation and daily, weekly and Monthly Reports.
Provided load balancing towards access layer from core layer using F5 Network Load Balancers
Responsible for communication protocols configuration and integration
Investigating diagnosing and resolve Level 1 & 2 network problem
CISCO Switch configuration in particular VLAN configuration / troubleshooting
Environments: Implementation, configuration and troubleshooting of network using Switching technology like VLANs, inter-VLAN routing, Routing technology like EIGRP, OSPF, BGP.
Fox Studios, LA, CA Sep 2014 – Oct 2015
Network Engineer
Responsibilities:
Worked on Cisco Layer 2 switches (spanning tree, VLAN).
WAN Infrastructure running OSPF & BGP as core routing protocol.
Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.
Tested authentication in OSPF and BGP.
Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
Configured and troubleshoot OSPF and EIGRP.
In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
Planning and configuring the routing protocols such as OSPF, RIP, and Static Routing on the routers.
Perform network analysis using various tools like Wireshark and Solarwinds.
Performed and technically documented various test results on the lab tests conducted.
Planning and configuring the entire IP addressing plan for the clients' network.
Assist the certification team and perform configuration of LAN\WAN technologies such as Ethernet, Fast Ethernet, and Gigabit Ethernet.
Packet capturing, troubleshooting on network problems with Wireshark, identifying and fixing problems
Working knowledge of firewall technologies Palo Alto.
Experience in Configuring VPC, VDC and ISSU software upgrade in Nexus 7010 Including NX-OS Virtual Port Channels, Nexus port profiles, Nexus Version 4.2 and 5.0, Nexus VPC peer link.
Demonstrated experience with Check Point, Cisco, and Palo Alto Networks solutions
In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
Experience in working for Nexus switches 2000, 5000 and 7000 series.
WAN Infrastructure running OSPF as a core routing protocol.
Network Monitoring using tools like Cisco Works 2000.
Created Lab demonstrations for new technology deployments with loaner equipment from various vendors and presented the findings to upper management.
Troubleshoot network problems using Packet Analysis tools like Ethereal.
Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500
Configured RIP, PPP, BGP and OSPF routing.
Experience working with High performance data center switch like nexus 7000 series.
Performed load balancing and application level redundancy by deploying F5 BIG-IP LTM 3900.
Environment: Palo Alto, Cisco ASA 5540/5500, Rip, EIGRP, OSPF, BGP, LAN, WAN, HARP, MPLS, F5 BIG –IP LTM 3900, Nexus 2K/5K/7K, MS Visio, PPP, VLAN, VPN.
Mondelez, Hanover, NJ Jan2014 – Aug 2014
Network Administrator
Responsibilities:
Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.
Lead the installation and configuration of corporate wide rollout of the Cisco Catalyst 3550, 3750, 4500, and 6509 switches.
Worked in setting up Inter-VLAN routing, redistribution, access-lists and dynamic routing.
Replaced Checkpoint firewall architecture with new next generation Palo Alto appliances serving as firewalls and URL and application inspection.
Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500.
Experience in migration of VLANS.
Expertise in implementing L2 technologies including VLAN's, VTP, STP, RSTP.
Configuring and Troubleshooting Route Redistribution between static, RIP, EIGRP OSPF & BGP protocols.
Configured Security policies including NAT, PAT, VPN's and Access Control Lists.
Configuring IPsec VPN on Cisco Firewall.
Maintained, upgraded, configured, and installed Cisco ASA 5510, 5520, & 5505 Firewalls from the CLI and ASDM.
Managed network IP access via Dynamic Host Configuration Protocol (DHCP).
Managed network security processes using ASA firewalls.
Prepared technical documentation of configurations, processes, procedures, systems and locations.
Redistribution of routing protocols and Frame-Relay configuration.
Researched and implemented upgrade process to support Cisco VPN solution.
Researched, designed, tested and implemented Cisco's VPN solution for remote clients.
Responsible for designing and implementation for customer network infrastructure.
Upgrade Cisco Routers and Switches IOS using TFTP.
Environment: Palo Alto, Cisco ASA 5520/5510, VTP, STP, RSTP, F5 BIG –IP LTM 3900,DHCP, MS Visio, NAT, PAT, VPN’s and Access Control.
Notan Networks, Hyderabad, India Sep 2010 – Nov 2013
Network Administrator
Responsibilities:
Hand on experience of the configuration and implementation of various Cisco Routers & L2/L3 Switches.
Extensive experience in configuring and implementing BGP, EIGRP and OSPF.
Configuration of EIGRP and OSPF as interior gateway protocol with route filtering and route redistribution, installed and maintained Cisco 3600, 2600 and 7200 backbone routes with HSRP
Replaced Fast Ethernet switches with Gigabit Ethernet switches.
Used DHCP to automatically assign reusable IP addresses to DHCP clients.
Developed documentation, system standards and SOPs within the organization.
Assisted in troubleshooting LAN connectivity and hardware issues in the network.
Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network.
Responsible for day to day management of Cisco Devices, Traffic management and monitoring.
Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support
Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site with Routing Information Protocol.
Working experience with A10 and F5 Load Balancer.
Experienced as Commercial technical support engineer for servers and network infrastructure.
Analyzed LAN to determine what were the major problems and improvements needed to be made to the network infrastructure.
Environments: Configure and troubleshooting of routing protocol like EIGRP, OSPF, BGP, DHCP configuration (Server & Client), MPLS, VPN, Point to Point Site, Cisco routers and switches, Access control server, VLAN
Iris Info Solutions, Hyderabad, India Feb 2009 – Aug 2010
Jr. Network Administrator
Responsibilities:
Upgrade Cisco 7200, 3600 Router IOS Software, backup Routers and Catalyst 3560, 4500 switch configurations
Support 24x7 operations and answer calls from the customers on network emergencies and resolve issues
Install and manage Cisco Catalyst 3500XL, &2960 series Switches and Cisco 1800, 3900 series routers.
Plans, coordinates, implements and supports the LAN / WAN hardware, software and Internet /Intranet integration network connectivity, diagnose network failures and resolve any problems.
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 and fix any backup and monitoring systems related issues in conjunction with Systems team and external vendors
Active participation on operational support for routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
Managed various teams involved in site surveys, cabling specifications, Network equipment installation and configuration.
Design OSPF areas for reliable Access Distribution and for Core IP Routing.
Environment: Cisco 7200/3600, LAN, WAN, BGP, OSPF, EIGRP, Spanning Tree
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