Kalyan G
Network Engineer
kalyan9207@gmail.com
+1(856) 390-2352
Cisco certified IT professional with 8+ years of experience in Network design, Routing and
Switching along with proficiency in Installing, Configuring, Upgrading and Troubleshooting of
various Network Devices.
Professional Summary:
Strong working experience on Versa SD-WAN Technologies.
Experience in Configuring, Testing, Certifying the Versa SD-WAN (Advantech FWA-
810, 1020, 2320, 3260, 5070) and Versa CSG-150, CSG-770 devices.
Experience in deploying the Versa SD-WAN to both Branch and Campus design.
Hands-on experience with 7200, 3900, 3600, 2900 and 2600 Cisco router series
Hands-on experience in configuring Cisco 2900, 2960, 3560, 3750, 4500, 4900, 6500
series switches.
In-depth knowledge of OSI and network protocols including DNS, DHCP, TCP/IP,
FTP, TFTP, UDP, ICMP, IPv4/IPv6, SMTP and HTTP.
In-depth knowledge and hands-on experience with routing protocols such as EIGRP,
OSPF and BGP.
Hands-on experience in deploying WAN technologies such as T1/T3, OC and DS3
circuit types
Expertise in configuring VLANs using multi-layered switches and Cisco routers. Also
have experience with trouble-shooting inter-VLAN routing and VLAN trunking using
802.1q
In-depth knowledge on IP addressing, VLSM, ARP, Ping concepts, Subnetting,
reverse and proxy ARP.
Worked extensively in configuring and constant monitoring/troubleshooting Cisco’s
ASA 5500/PIX appliance, configuring VLANs/routing/NAT as per the firewall design
In-depth knowledge of security protocols and advanced protocols such as IPSEC
tunnels, GRE tunnels, NAT, PAT, ACL’s, VPN, QOS, MPLS.
Implemented robust traffic filters using extended as well as standard access lists, route
maps, and route manipulation using offset-list
Experience in implementing redundancy with VRRP and Ether channel technology
(LACP)
Expert in preparing comprehensive and technical documents/presentations using
Microsoft Visio/Office Suite.
TECHNICAL SKILLS:
Routers Cisco routers 7609, 7200, 3800, 2800, 2600 series, Versa SD-WAN
FWA-810, 1020, 2320, 3260, 5070.
Switches Cisco switches 6500, 4900, 4500, 3750, 2900 series, Arista 7010,
7050.
Routing Protocols EIGRP, OSPF, and BGP.
Switching LAN, VTP, ARP, STP, PVST+, RPVST+, Inter VLAN routing &
Protocols Multi-Layer switch, Ethernet channels.
Platforms Versa VOS, Cisco IOS, Junos OS, UNIX, LINUX, Windows.
Networking Routing, Switching, Subnetting, Designing, IPsec, VLAN, VPN,
Concepts WAP, MPLS, Bluetooth, Wi-Fi, SD-WAN.
Monitoring Tools Wire shark, Solar Winds, and Splunk.
Languages Python, Ansible.
AAA Architecture TACACS+, RADIUS.
PROFESSIONAL EXPERIENCE :
Client : Comcast, NJ
Duration : June 2021 – Present
Role : Network Engineer
Responsibilities:
A strong Experience and understanding on SD-WAN technologies and solutions.
Experience in working with SD-WAN technology by Versa Networks.
Responsible for creating, maintaining, and updating the templates on the online Versa
SD-WAN Director.
Responsible for Configuring, testing and Certifying various routing and switching
features like OSPF, BGP, Class of Service, DHCP, NAT, Traffic Steering.
Understanding & Implementation of IPSEC & GRE tunnels in VPN technology.
Responsible for testing and certifying the new Versa SD-WAN devices before
deploying them in production.
Responsible for running RFC2544 test via IXIA XGS12 on SD-WAN devices to
generate Throughput performance results.
Responsible for verifying logs and alarms for certain features via Splunk.
Responsible for Coordinating with team members for preparing network topology and
set up the lab as per testing requirements.
Hands on experience with configuring and certifying the Versa SD-WAN (Advantech
FWA-1012 ,2320, 3260, 5070) devices.
Responsible for Upgrading all the SD-WAN devices to latest codes in testing
environment.
Hands on experience with configuring and certifying the Versa CSG-150, CSG-770
devices.
Hands on experience with configuring Juniper SRX 320, 345 and Arista 7010, 7050S
switches.
Responsible for racking up and cabling the devices as per topology.
Responsible for troubleshooting and solving the various issues by coordinating with
Versa technical team.
Responsible for troubleshooting and identifying the hardware issues on failed RMA
devices by coordinating with Advantech team.
Responsible for Preparing technical documentations and presenting readouts to
production teams.
Responsible for Created Lab demonstrations for new technology deployments with loaner
equipment from various vendors and presented the findings to upper management.
Hands on experience with configuring Opengear Infrastructure Manager 7200.
Hands on experience with configuring HPE ProLiant DL560 Gen10 and ProLiant
XL420 Gen9 servers.
Responsible for decommissioning the SD-WAN devices, switches and severs completely
from network.
Environment: Versa SD-WAN, Advantech FWA-1012 ,2320, 3260, 5070; Versa CSG-150,
CSG-770; Juniper SRX 320, 345; Arista 7010, 7050S; HPE ProLiant DL560 Gen10; Ethernet
and Fiber cabling.
Client : Capital One, VA
Duration : March 2019 – May 2021
Role : Network Engineer
Responsibilities:
Experience in working with SD-WAN technology by Versa Networks.
A strong understanding on SD-WAN technologies and solutions.
Experience in upgrading the Versa SD-WAN FWA- 810 and FWA-1020 Flexes.
Worked on Cisco 6504, 6506, 6509,4506, 3560 distribution and core Switches.
Worked on Cisco 3945, 7260, ASR 1002, ASR 1006 routers.
Strong experience in migrating the site locations to SD-WAN by replacing the Cisco
routers with new Versa SD-WAN devices (Versa SD-WAN Flexes).
Experience in deploying the SD-WAN to both Branch and Campus design.
Responsible for turning up BGP between Cisco Core Switches and Versa SD-WAN
Flexes, as well as troubleshooting BGP routing problems.
Experience in creating, maintaining, and updating the templates on the online SD-WAN
Director.
Experience in troubleshooting and solving the various routing issues by coordinating with
Versa technical team.
Responsible for working Cisco Core Switches to clean up the OSPF configuration and
configure the EBGP and IBGP commands on the core switches.
Experience in Decommission of Cisco 3945, 7260, ASR1002, ASR1006 routers after
completing the site migrations to SD-WAN.
Responsible for creating and onboarding the Versa SD-WAN flexes to the online SD-
WAN director using staging templates. Also responsible for configuring the flexes from
the director using MPLS and Internet templates.
Responsible for ordering the new Verizon MPLS and Century Link internet circuits
for SD-WAN and responsible for decommissioning of old MPLS circuits used for Cisco
routers.
Responsible for troubleshooting complex networking issues in service provider MPLS &
internet.
Responsible for tasks to set up the LAN configuration. Worked on the entire project from
cabling to IP addressing assignment.
Strong experience with VISIO in developing network design documentation and
presentations.
Experience in preparing the Project documentation for all configurations, cabling,
complete technical network design document and multiple template documents required
for SD-WAN network Design.
Responsible for coordinating with onsite IT Technician for racking up the Versa flexes
and also coordinating with cable vendor to test all the SFP’s and setup the cable
connections.
Environment: Versa SD-WAN Flex FWA-810, FWA-1020; Cisco 3945, 7260, ASR1002,
ASR1006; Cisco switches 6504, 6506, 6509,4506, 3560; Fiber and Ethernet cabling.
Client : Cricket Wireless LLC, Atlanta, GA
Duration : February 2018 – January 2019
Role : Network Engineer
Responsibilities:
Expertise in the implementation of analysis, optimization, troubleshooting and
documentation of LAN/WAN networking systems.
Planning, configuring, and troubleshooting the routing protocols such as OSPF, BGP and
Static Routing on the routers.
Planning and configuring the entire IP addressing for the client’s network.
Responsible for troubleshooting complex networking issues in service provider MPLS &
internet.
Switching related tasks included implementing VLANS and configuring ISL trunk on
Fast-Ethernet channel.
Thorough understanding of TCP/IP, virtual LAN, HSRP,STP, DNS, SNMP, SMTP.
Configured Cisco IOS Feature Set, NAT, and Simple Network Management Protocol
(SNMP).
Deployed the switches in high availability configuration with HSRP and Configured
UDLD, port-fast, uplink fast and other spanning tree features.
Responsible and technically documented various test results on the lab tests conducted.
Performed troubleshooting tasks on Routing and switching and isolated the problem and
finding the cause.
Configure, troubleshoot, and support Cisco routers 3900 and 3800 series, switches 3700,
4500 series.
Performed Wireless LAN and 802.11abgn,ac technologies to deliver voice, data video.
Installed, troubleshot, and configured access points, switches, and wireless controllers.
Managing and troubleshooting experience on Cisco Wireless WLAN controllers.
Troubleshooting via Cisco Wireless Control System (WCS), Light weight Access Points
infrastructures (LWAPP).
Configure, Change & Troubleshoot end to end Cisco Wireless LAN Controllers (WLC),
Access Points.
Environment: Cisco routers 3900 and 3800 ; switches 3700 and 4500 series, OSPF, BGP,
VLAN’S, NAT, SNMP, Frame-relay, WLAN, Spanning tree.
Client : Convergent Communications India Pvt Ltd, India.
Duration : October 2014 – February 2016
Role : Network Engineer
Responsibilities:
Assisted the certification team and perform configuration of LAN\WAN technologies.
Responsible for the configuration, implementation, and operation of Upgraded Cisco
2500 2600, 3800 series routers and 2950, 3560 series switch configurations.
Involved in troubleshooting IP addressing issues and taking backup of the configurations
on switches and routers.
Worked on configuration and troubleshooting application layer protocols like HTTP,
DNS, FTP, SSH, SNMP.
Installation, Configuration and troubleshooting of DNS and DHCP.
Involved in the configuration & troubleshooting of routing protocols: BGP, OSPF and
EIGRP.
Responsible for replacing of the older routers and switches with new routers and switches
with the configuration set up.
Provided testing for network connectivity before and after install/upgrade
Worked on Switching related tasks included implementing VLANS and configuring ISL
trunk on Fast-Ethernet and Gigabit Ethernet channel between switches.
Prepare the survey reports, the Network design & LAN diagram according to the site
requirements.
Environment: Cisco routers 2500, 2600, 3800, switches 2950 and 3560 series, VLAN’s, IP
Cabling.