Network Manager
Resume:
MANIKANTTA
****@*********.***
Objective:
Seeking a challenging position as a seasoned network professional in a progressive organization where I can implement my technical skills and coursework while further expanding my expertise and knowledge.
CERTIFICATIONS:
Cisco Certified Network Associate (CCNA) – Valid till 2018
https://drive.google.com/open?id=0B5JV_-iGsuRmVlNlOTg0ZkRTNDA
Cisco Certified Network Professional (CCNP) – Valid till 2019
https://drive.google.com/open?id=0B5JV_-iGsuRmcHRlaVItMnhQMDg
Check Point Certified Security Administration- Valid till 2018
https://drive.google.com/open?id=0B5JV_-iGsuRmZ1NkRHllU2xQM1E
SUMMARY:
CCNA CCNP CCSA certified professional in configuring cisco routers, switches and checkpoint firewall.
Extensive knowledge in configuring and troubleshooting of protocols RIP v1/v2, EIGRP, OSPF, IS-IS, BGP and MPLS.
Extensive knowledge with VLAN’s, Trunking, RSTP, SNMP, Ether Channels, HSRP, Port Security, ACL’s, QoS, Traffic Policing, Shaping, EIGRP, OSPF, NAT, PAT, Inspections, VPN’s, DHCP, Wireshark etc.
Troubleshooting & implementation of Vlan, STP, MSTP, RSTP, PVST, 802.1Q, DTP, HSRP, VRRP, GLBP, LACP, PAGP.
Knowledge in configuring VPN tunnels using IPsec encryption standards and also configured and implemented site-to-site VPN, Remote VPN in checkpoint firewall.
Experience in Configuring the Cisco router as IP Firewall and for NATing Configured RSTP, MST and used VTP with 802.1q trunk encapsulation.
Layer 2 switching technology architecture, implementation and operations including L2 and L3 switching and related functionality. This includes the use of VLANS, STP, VTP and their functions as they relate to networking infrastructure requirements including internal and external treatment, configuration and security.
Knowledge on application load balancing on the servers in F5 BIG-IP LTM module.
Knowledge in Assigning LDAP servers, Microsoft Active Directory, to F5 load balancer for accessing user member groups.
Knowledge in Configuring VPN tunnels using IPsec encryption standards and also configured and implemented site-to-site VPN, Remote VPN in checkpoint firewall.
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
TECHNICAL SUMMARY:
LAN Technologies:
VLAN, VTP, Inter-VLAN routing, STP, RSTP, PVST,MST, HSRP,VRRP,GLBP, SPAN, RSPAN
Network Securities
NAT/PAT, VPN, Filtering, Load Balancing, IPSec, ACL
Routing Protocols
RIP, IGRP, HSRP, EIGRP, OSPF, IS-IS, BGP, IPv6
Virtualization
VM-ware, V-spear
Operating Systems:
Microsoft XP/Vista/7, Windows Servers 2003/2008 UNIX, Linux.Kali Linux
NEXUS Features
VDC, VPC, VSS, VRF.
Firewalls
Cisco ASA, Checkpoint
Scripting languages
Bash Shell scripting, Python scripting for automation
PROFESSIONAL EXPERIENCE:
United Airlines July 2016 – present
WAN TRANS / GNOC
Responsibilities:
Worked on console and remote configurations of network devices using Telnet and SSH protocols. Experience in implementing password security.
Monitored and troubleshot network problems, implementing changes on network designs.
Worked closely with vendors, LAN administrators and customers.
Resolving tickets raised by customers in HP Sevice manager tool for customer satisfaction.
Configuring and maintaining L2 switches, routers and firewalls.
Design and create network and network-related diagrams in Microsoft Visio tool.
Design advice, troubleshooting, updating, maintenance, etc.
Maintenance and Troubleshooting of LAN connectivity problems using Ping, Trace route.
Managed the IP address space using subnets and variable length subnet masks (VLSM).
Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
Worked along with the team in ticketing issues.
Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.
Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
Monitor performance of network and servers to identify potential problems and bottleneck.
Performed RIP & OSPF routing protocol administration.
Implementing and configuring WAN routers
Adding and Monitoring network devices HP node manager monitoring tool
Troubleshooting L2&L3 Network connectivity issues.
Configuring Routing protocols like OSPF, BGP, EIGRP on Wan and LAN networks.
Run scripts, snapshots of configurations, IOS update using HP automation tool
Traffic monitoring and resolving Latency issues using Riverbed WAN optimizer.
Experience in using Wireshark packet analyzer to mitigate unknown protocols and high bandwidth hogs.
Experience in configuring HP Aruba, procurve switches
Hands-on experience in designing and troubleshooting DMVPN tunnels
Manages 3rd party relationships relating to Network Operations (i.e. SITA, Verizon, AT&T, etc.) to ensure service levels agreements are met.
Configuring DMVPN tunneling between the branches.
Configuring QOS and Cost of service policies where needed. Configuring Netflow.
Troubleshooting routing problems like routing loops (asymmetrical), spanning loops.
Experience in using Riverbed WAN optimizer for running reports on utilization, Qos policing, latency issues
Knowledge in using Opnet, Wirshark for packet analysis.
Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
Disney, Los Angeles, CA Jan 2014 - April 2016
Network Administrator / security
RESPONSIBILITIES:
Working on Cisco 6509 and 4507 series switches for LAN requirements, which includes managing VLANs, Port Security and troubleshooting LAN issues.
Worked on OSPF using features like TSA, SA, NSSA and route summarization. Configured EBGP/IBGP policies also tested BGP attributes such as Local preference, MED, AS-PATH, Community and Weight
Experience with LAN protocols to mitigate switching loops STP, RSTP, MST, VTP, VLAN and Port Channel Protocols like LACP, PAGP.
Configuring IP, RIP, vector routing (EIGRP), Link State protocol (OSPF) and BGP in routers.
As part of Data Center fabric remediation/refresh project, deployed Cisco Nexus switches and implemented features like FEX Links, VPC and VDC.
Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN
Involved in the redistribution into OSPF on the core ASA firewall.
Creating ACL policies for Cisco 5540 ASA firewall with access control to NAT and object grouping functions.
Implemented stub/Totally stub areas and various OSPF features like route-summarization and SPF throttling.
Implemented Positive Enforcement Model with the help of Palo Alto Networks.
Installed templets for group of firewalls in PAN-OS, panorama Palo Alto firewalls.
Worked on F5 BIG-IP LTM, configured profiles provided and ensured high availability.
Configured Multiprotocol Label Switching (MPLS) VPN with Routing Information Protocol (RIP) on the customer’s Site.
Applied ACLs for Internet access to the servers using Cisco 5550 ASA firewall and performed NAT.
Managed the F5 BigIP LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs
Negotiate VPN tunnels using IPSec encryption standards and also configured and implemented site-to-site and Remote VPN networks.
Configured FEX links from nexus 2K to parent switched 5k, 7k.
Upgrading, pinning, redistributing links on FEX 2k series .
Documented technical and created topologies using Microsoft visio tool
Traffic management on core routers using policy based routing through ISPs
Configuration of Access List ACL (Std, Ext, Named) to allow users all over the company to access different applications and blocking others.
Mitigated broadcast loops and multicast loops with the help of storm control
Installing and Configuring Network Devices in a Data Center including patching the cables in the Patch Panel. Design and implemented network.
Worked on ASDM software for GUI implementation of Cisco ASA firewalls 5520 and 5505 series.
Configured Nexus 7010 including NX-OS Virtual Port Channels, Nexus port profiles, Nexus Version 4.2 and 5.0, Nexus VPC peer links.
Installing Wireshark and configuring RSPAN, mirroring on the switches to traffic analysis.
Monitored SNMP traps and traffic analysis using Solar winds software trap viewer, troubleshooting on network devices based on SNMP alerts.
Supported and monitored datacenter devices and took action according to the issues raised.
Environment: Cisco switches 6530 and 4507, CISCO routers 7613,2600, 2800, 3200, Cisco ASA5520, Cisco Nexus 5k,2k, F5 Load Balancers, Palo alto.
TD Bank, Farmington Hills, MI Jan 2012 - Nov 2013
Sr. Network Consultant
Responsibilities:
Designing and deploying EIGRP, OSPF, BGP, MPLS-VPN protocols and routing technologies.
Team member of Configuration of Cisco 7206 router and Configuration of Catalyst switches.
Configuration and implementation of various Cisco Routers and L2 Switches.
Configuration 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
Using OSPF routing protocol, Created and tested Cisco router and switching operations
Troubleshooting link state protocols like OSPF in multiple areas.
Configured HSRP and VLAN trunking 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 VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
Configured spanning tree features like BPDU Guard, port-fast, uplink fast and other techniques.
Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.
Hands on experience in IP access filter policies.
Supported core network consisting of Cisco 7200 series routers running multi area OSPF
Configuration of EIGRP and OSPF as interior gateway protocol with route filtering and route redistribution.
Configured and installed multi-protocol (IP, IPX) multi-interface Cisco routers.
Negotiate VPN tunnels using IPsec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
Worked with protocols such as Frame Relay, IEEE 802.11 and VLAN, OSPF and BGP, DNS, DHCP, FTP, NTP, SNMP, SMTP and TELNET.
Supporting EIGRP and BGP for problems of L2/L3 in internal teams & external customers.
Providing daily network support for national wide area network consisting of MPLS, DMVPN mGRE tunnel, VPN and point-to point site.
Configured Nexus 7010 including NX-OS Virtual Port Channels, Nexus port profiles, Nexus Version 4.2 and 5.0, Nexus VPC peer links
Implemented stub/Totally stub areas and various OSPF features like route-summarization and SPF throttling.
Configured High availability, User ID on Palo alto firewall
Regular meetings with project Manager and security team to discuss Palo Alto Weekly Status and updates on changes made on the firewalls.
Editing and Changing Palo Alto Polices and Monitoring threats on firewalls.
Implemented Positive Enforcement Model with the help of Palo Alto Networks.
Installed templets for group of firewalls in PAN-OS, panorama Palo Alto firewalls.
Configured virtual routers, NAT, security policies Zones on a Palo alto firewall
Analyzed and tested network protocols (Ethernet, TCP/IP) using Wireshark tool.
Innovated with support of Palo Alto for remote and mobile users and for analyzing files for malware in a separate (cloud-based) process that does not impact stream processing.
Designed, WAN link using PPP Multilink and by implementing Cisco WAAS.
Providing Technical Support and solutions for Network Problems.
Configured NAT solutions on Cisco IOS routers.
Environment: Cisco 3750/3550/3500/2950 switches, Cisco 7200/3845/3600/2800, Cisco Nexus 7k, 5k, routers, TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, Ether Channels, SSL, CISCO ASA, DHCP, DNS, F5 Load Balancers, paloalto Firewalls.
ETC Networks Ltd, Hyderabad India August 2010 - Dec 2011
Jr. Network Engineer
RESPONSIBILITIES:
Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-Vlan routing, LAN security.
Designed ACLs, VLANs, troubleshooting IP addressing issues and taking back up of the configurations on switches and routers.
Configured Cisco Routers for OSPF, IGRP, RIPv2,Vector routing protocol like EIGRP, Static and default route.
Involved in designing VPN architecture with IPSEC, VPN-Services, IP-addressing
Supporting EIGRP and EBGP/IBGP based PwC network by resolving level 2 &3 problems of internal teams & external customers of all locations
Configured IPSec site-to-site VPN connection between Cisco VPN 3000 Concentrator and Cisco 3800.
Experience in deploying EIGRP/BGP redistribution and the changing the metrics for the primary and backup.
Worked on HSRP for load balancing.
Configuring IPSEC VPN on SRX series firewalls
Implementation on Policy Base Routing (PBR).
Installed and configured the Cisco routers 2800 in two different customer locations. It includes coordinating with Verizon and AT&T in order to bring the serial interface up for T3 link. Also, configuration includes frame relay, BGP and VPN tunnel on GRE.
Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
Documented the company’s design, implementation and troubleshooting procedures.
Monitored the Network performance based on company’s Service Level Agreement (SLA).
Configured VLANs with 802.1Q tagging according to the Server team’s requirements.
Configuration of EIGRP and OSPF as interior gateway protocol with route filtering and route redistribution.
Implementing NAT solution's on Cisco IOS routers.
Cisco IOS experience on 3600/7200 class hardware in complex WAN environment and experience on Cisco OS and IOS on CAT6500 in a complex data centre environment
Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
Performed IOS upgrades on various catalyst series switches and maintained latest IOS versions according to company’s policy.
Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network.
Mitigated asymmetric routing loops in OSPF, EIGRP and BGP.
Worked on OTV to extend L2 VLANs between data centers over IP on Nexus 7018 switches.
Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
Configuring and applying QOS to 2600 series routers for all the branches.
Log monitoring for traffic analysis using TCP dumps on firewalls.
Wintech, Hyderabad, India June 2009 - July 2010
Network Engineer
Responsibilities:
Hand on Experience in configuration and implementation of various Cisco Routers and L2
Switches.
Provide alternative means from dial-up connection to bring down the damage or loss that occurs for the client.
Configuration of EIGRP and OSPF as interior gateway protocol with route filtering and route redistribution.
Coordinated with senior engineers with BGP/OSPF routing policies and designs, worked on implementation strategies for the expansion of the MPLS VPN networks
Worked on Frame Relay, ISDN, PPP, HDLC, Network Troubleshooting using CLI Show commands, PING, Trace route, telnet.
Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
Involved in group & individual presentations to corporate clients about the company’s internet based products like leased lines and modular routers.
Configuring and applying QOS to 2600 series routers for all the branches.
Environment: Wins XP/ 7, TCP/IP, WINS, DNS, DHCP, FTP, LDAP, IMAP, SMTP, POP3, Mail Servers
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