Computer & Network Engineer

Gangadhar Kanumula

************@*****.***

+1-706-***-**** Sr. Network Engineer

Experience Summary

Over all 7+ years of experience in the industry, this includes expertise in the areas of Routing, Switching and Firewall and various Networking devices like Cisco, Juniper, 3com, HP Alcatel, Check Point and PaloAlto in various industries on mission critical Enterprise Networks/Datacenters and Multi-server environments.

TECHNICAL SKILLS:

Routing

Configuring static and default routes in Routers.

Configuring Advanced Routing Protocols (RIP, OSPF and EIGRP).

Authentication & Route Summarization using OSPF and EIGRP.

Configuring, Peering, Manipulating, Authentication & Route Summarization using BGP.

Configuring on RADIUS, DNS, MPLS,SNMP, DHCP, TACACS, RSA and 802.1x, Port security and Cisco IOS.

S-to-S IPsec VPN, GRE over IPSEC VPN with crypto map and profiles, DMVPN.

Knowledge and worked of network cabling infrastructure including Capper and Fiber.

Switching

Associate Switch Ports with the VLAN.

Propagating VLAN Configuration with VTP.

STP - IEEE 802.1d/ IEEE 802.1w, IEEE 802.1s.

Configuring Link Aggregation with Ether Channel (LACP and PAgP) and VSS.

Implementing inter-VLAN Routing on L3 Devices and IPSLA.

Configuring layer 3 Redundancy with HSRP, VRRP and GLBP.

Configuring SPAN (Port Mirroring) and RSPAN.

Planning, Designing, Configuring, Implementing and Troubleshooting Large Networks Providing Layers 2 Support in LAN & Support in WAN Environment.

Working knowledge of DNS, DHCP, NTP configuration

Proficiency in TCP/ IP, IP Addressing (Ipv4), Sub netting, VLSM, CIDR, OSI Layers.

Prepare network diagrams using Microsoft Visio.

Managed various teams involved in site surveys, cabling specifications, Network equipment installation and configuration.

Good Knowledge in MPLS and Multicast.

Security

Configuration of ASA, Juniper, Check Point and Palo Alto.

NAT, ACL, Zones, VLAN, HA and Dynamic Routing

Virtual firewall, Active/Standby, Active/Active transparent firewall and Failover.

Site-to-Site IPsec VPN, GRE over IPSEC VPN with crypto map and profiles

Wireless

Cisco WLC and cisco AP and LWAP.

Devices

Cisco: 1700, 1800, 1900, 2800, 2900, 3500, 3700, 3800, 4500, 5400, 6500, 7200.

3Com: 2900,3800,5500,7510

HP (Procurve): 2500, 5412zl, 6600, 8200zl

Alcatel: 6400,650*-****-****

ASA: 5505, 5510, 5520, 5540.5580,5515,5525.

Juniper Ex 4200 and 4500 SSG-540/140.

Juniper firewall SG-140,440

Palo Alto Firewall 3200 and 5200 with Panorama

Check Point – 4400

Cisco WLC – 2500 and Cisco AP - 2600

ARUBA Clear Pass Policy Manager

Sniffer: Wire shark, Syslog, Port mirroring

Operating System: Microsoft and Linux

Sharing Devices with TeamViewer, Ammyy, Join.me

Network Monitoring Tools:

HP Open View, HP NNMI, IMC.

NSI, Birde, GPS, Infoblox Grid Manger, Cisco works.

Cisco Secure ACS Version 5.3.0.40.7, HP Service Manager, Solar winds.

Educational Qualifications

(In chronological order starting from the most recent)

Degree

Institute

Specialization

M.SC (2005 -07)

HRD Degree & PG College, Hyderabad.

Electronics and Communication

BSC (2000 - 03)

S.K.N.R Govt Degree college

Computers

Professional Memberships/Certifications

I.T Certification

Code

Cisco Certified Network Professional (CCNP)

CSCO11403622

Cisco Certified Network Associate(CCNA)rs

CSCO11403622

Cisco Certified Network Associate(CCNA)sec

CSCO11403622

Juniper Networks Certified Internet Associate, Junos(JNCIA-Junos) Version: 6.0 (JN0-102)

JPR00240991

WORK EXPERIENCE

Computer and Network Engineer

Idril Services Corp – Alpharetta, Georgia - Jan 2017 to Present

Responsibilities:

Involved in the configuration & troubleshooting of routing protocols: OSPF, LDP, TDP, EIGRP, RIP, BGP v4. Configured IP access filter policies. Cisco CLI, Cisco works, Network Security, Network Analysis Tools).

Troubleshoot traffic passing managed firewalls via logs and packet captures.

Working with local IT personnel on troubleshooting, problem determination, diagnosis of performance issues, bandwidth issues, throughput traffic prioritization to improve overall application response time across WAN.

Install and monitor application traffic using network protocol monitoring tools such as wire shark.

Participating in the design and planning aspects of the network infrastructure installed in the new building.

Worked on network topologies and configurations, TCP/IP, UDP, routers, and Switches.

Participated in testing the internal network infrastructure in the new building, troubleshooting and remediating any issues.

Worked with network services like DNS, DHCP, DDNS, IP4, IP6, IPsec, VPN etc.,

Experience with (FTP, DNS, HTTP), DHCP and IPSLA.

Deployed Cisco Catalyst 6500, 4500, 4000, 3750, 3850, 3560 (Layer 2 through 7) and Cisco ASR 5500, 7000, 9000 series routers.

Design, implementation and troubleshooting of the LAN IP infrastructure using Layer 2 / Layer 3 switching, STP, Gigabit Ethernet and Trunking / channelling technologies.

Responsible for maintenance and utilization of VLANs, Spanning-tree, HSRP, VRRP and GLBP, VTP of the switched multi-layer backbone with catalyst switches.

Good Knowledge on IPS, IDS, VPC and VDC.

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 and Configured on Juniper MX &EX switches and routers.

Expertise in configuring and troubleshooting of Palo Alto, Juniper SSG Firewalls.

Configuring Palo Alto policies and setting different device configurations.

Experience working with Infoblox Management tool and worked with Extreme networks wireless devices like Access points AP2600 and 2800.

EAP, WPA2 Enterprise, RADIUS, DHCP, Wi-Fi controllers and Ethernet/IP networking.

TCP/IP protocol suite and Ethernet/802.3, Wi-Fi 802.11.

Knowledge on Designed and implemented F5 Big IP load balancers that resulted in improving application performance.

Knowledge in working with LTM and GTM for scaling and securing DNS infrastructure during high volumes.

EAP, WPA2 Enterprise, RADIUS, DHCP, Wi-Fi controllers and Ethernet/IP networking.

TCP/IP protocol suite and Ethernet/802.3, Wi-Fi 802.11.

Configured static NAT, dynamic NAT, dynamic NAT overloading.

Handled Cisco IOS back up to a TFTP/FTP server and Upgraded and restored a Cisco IOS from TFTP server.

Worked on a broad range of topics such as proactive monitoring and maintenance, disaster recovery exercises, and core network repairs.

Designed and deployed various network security & High Availability products like Cisco ASA, Juniper, Check Point, and Palo Alto.

Interacted with various inter and intra-department groups on both a technical and a personal level.

Documented network configuration for all new equipment and creating equipment configuration backups and monitored.

Installed, configured and set security policies on Cisco and checkpoint firewalls, VPN.

Sr Network Engineer

PUB - Govt – Singapore - Malaysia - Feb 2015 – Dec 2016

For All PUB Sites of Singapore Supporting in Networking, including hands-on experience in providing network support, installation and analysis for broad range of LAN/WAN communication systems.

Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: OSPF, LDP, EIGRP, RIP, MPLS and BGP v4.

Excellent knowledge in Routing, Switching, Firewall and Gateway technologies, system design, wireless design, data network design, capacity management and network growth.

Hands on experience in installing, configuring, maintaining and troubleshooting Cisco Switches, Cisco Routers.

Involved in troubleshooting of DNS, DHCP and other IP conflict problems.

Responsible for Juniper SSG and Cisco ASA firewall administration across Singapore networks.

Knowledge in working with Cisco Nexus Switches and Virtual Port Channel configuration.

Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether-channel, STP, RSTP and MST.

Implementation of HSRP, VRRP and GLBP for Default Gateway Redundancy.

Experience in testing cisco routers and switches in laboratory and deploy them on site production.

EAP, WPA2 Enterprise, RADIUS, DHCP, Wi-Fi controllers and Ethernet/IP networking.

TCP/IP protocol suite and Ethernet/802.3, Wi-Fi 802.11.

Expert level knowledge on OSI model and TCP/IP protocol suite.

Strong knowledge of TACACS+, RADIUS implementation in Access Control Network.

Experience in Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.

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 design.

Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series.

Responsible for Alcatel and Cisco Switches and Routers administration across Singapore PUB networks.

Fix any incident/issues identified in the Security Logs, Event Logs & Firewall Logs. To complete the reviewing of all policies, procedures & guidelines to ensure all the new requirements are updated and met

To implement of Standard/Normal Change Requests that meets the requirements successfully at 1st attempt minimum 80 % (verified by the requestor) and to make sure that the processes are all well documented

Controlling Network connectivity of users by implementing restriction rules on network devices such as firewalls and switches in accordance with Agency policies and standards.

Ensuring documents such as network diagrams and network devices tracking and records are tallied accordingly and up to date.

Regular system check and ensuring network device configurations are saved and up to date.

Performing weekly configuration back up of network devices.

Collaborate with other teams to provide customer service satisfaction.

Standby support 24/7 for any network related incident that might occur during and after working hours.

Manage devices are Cisco Routers/Switches, Cisco Firewalls, Juniper Firewalls, Checkpoint Firewalls, Palo Alto Firewalls, Alcatel Switches.

Prepare network diagrams using Microsoft Visio.

Managed various teams involved in site surveys, cabling specifications, Network equipment installation and configuration

SEA Games - Singapore

Set up network for all Venues for the SEA Games in Singapore

Configuring Cisco ASA 5512X, Cisco 2600, Cisco 1900, Cisco 3650 and Cisco 2960

Configuring Site – to –site VPN, Fail over ACTIVE/STANDBY, IPS, NAT, DNS, DHCP Relay and Access list in CISCO ASA.

Configuring WLC, LWAP and APs

Configuring BGP, Traffic shaping, NAT, IP SLA and HSRP in Cisco Routers.

Configuring VLAN, VTP, PVSTP and DHCP.

Coordinating with all site engineers for supporting, updates and troubleshooting the issues.

Sr Network Engineer

GAP - USA and CANADA - Jun 2013 – May 2014

Migrating Customer’s network replace circuits (T1, ISDN,DSL,Frame-relay) links and replace end of life (EOL) devices Routers, Switches.

Configuring BGP, OSPF, SNMP, AAA, DMVPN, TACACS, site to site VPN, GRE, SSL, health

Check, sweep check and migrate Customer’s LAN network.

Network, Redistributions of deferent routing protocols to make them live and reachable to another network.

Managing Network virtualization through Multiple VLAN configuration,

Doing all new up gradation, Migration and Physical/Logical/Configurationally Changes for Global Customers.

Experience with configuration and support of IPSEC VPN.

Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT, PPP, ISDN and

Associates network protocols and services.

Diagnose network and circuit problems

Doing Test and Turn-up for all Global Customers which includes installation,

Troubleshooting and replacement of circuits for provisioning on PE routers, CE router configuration.

Doing troubleshooting of circuits for provisioning on all model of routers e.g. Cisco 5400, 2800, 1900, 2900, 3800, 3750, 3900.

Responsible for coordination with vendors and tracking escalated cases for faster resolution

Ensuring monitoring of the network and resolution of the fault with minimum downtime

To manage file transfer using ftp

Resident Engineer (Network Engineer)

ICICI BANK - HYD INDIA - Aug -2011– Jun 2013

Adding ACLs, Port mirroring(SPAN)

Troubleshooting local LAN network related issue internally.

Taking router and switch backups (internally and externally).

Installations and Configurations of Layer 2 & Layer 3 devices externally (clients).

Configuration of HSRP, VRRP, OSPF on switches.

Configure static and default routes on routers.

Cisco Routers 2600, 2800, Switches 1900, 2900, 3500 3700.

Having Sound knowledge on HP Invited Products (HP Procurve Switches/Routers 2600,2900,5412zl,6600,8212zl)

Installation and Configuration of core 3Com (5120,5500, 5800,7710).

Controlling Network connectivity of users by implementing restriction rules on network devices such as firewalls and switches in accordance with Agency policies and standards.

Ensuring documents such as network diagrams and network devices tracking and records are tallied accordingly and up to date.

Regular system check and ensuring network device configurations are saved and up to date.

Performing weekly configuration back up of network devices.

Collaborate with other teams to provide customer service satisfaction.

Standby support 24/7 for any network related incident that might occur during and after working hours.

Project Engineer (Network Engineer)

Reliance Communications (Alcatel-Lucent) – MUMBAI, INDIA: Feb 2009 – July-2011

Worked on Alcatel-lucent (SR-7750) routers

Installation and Configuration of core Routers (Alcatel-Lucent 7750 SR-7/12, CR-12).

Mounting the Routers in the specific rack and check power supply.

Installation and configuration of SF/CPM, IOM & MDA Card.

Installation and configuration of CFM, CMA CCM & MCM Card

Implementation, Configuration and installation of 7750 SR-12, SR-7 & CR7710 C-12 router at different locations in India.

Analyzing and troubleshoot faults occurs in day to day network issues.

Responsible for coordination with vendors and tracking escalated cases for faster resolution

Ensuring monitoring of the network and resolution of the fault with minimum downtime

To manage file transfer using ftp

Implementation of Static Route, IS-IS configuration in different nodes of this project.

Integration and expansion of 7750 SR-12, SR-7 & CR 7710 C-12 router. Involved in installation and cabling.

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