Summary
Overview
Work History
Education
Skills
Pancard
Personal Information
Languages
Disclaimer
Languages
Timeline
Generic

Busani Rajkumar

HYDERABAD

Summary

in-depth knowledge of IPv4, Sub netting and TCP/IP, DHCP, DNS, SNMP protocols. Fine understanding of LAN and WAN technologies STP, VTP, HSRP, VRRP, MPLS, Ethernet Experience in configuring, troubleshooting and monitoring using Cisco Switches, Routers, WLC and ISE, Checkpoint and Palo Alto Firewalls. Firewalls, Bluecoat Proxy, Symantec SWG, McAfee web gateway and Zscaler proxy. Configured OSPF, BGP on Cisco Switches and Routers. Actively participated in Implementation and customization of customer network.

Overview

6
6
years of professional experience

Work History

Senior Systems Engineer & Technology analyst

Infosys Limited
Hyderabad
02.2019 - Current
  • Performed firewall administration, network security, and network engineering in an OSPF/BGP environment
  • Work as part of a firewall and security team to support Checkpoint and Palo Alto firewalls, Bluecoat Proxy, Symantec Cloud Web Gateway, Zscaler, McAfee Web Gateway, and Active Directory
  • Replacing Checkpoint VPN, Symantec SWG and Bluecoat proxy with Zscaler and working on implementing Zscaler in Production
  • Worked on internet links rollout into production active/standby, load sharing
  • Deployment of client connector across Infosys DC, Azure and AWS cloud for Infosys internal and external web application security requirements
  • Created Hosted PAC Files based on the organization request what to be accessed before and after authentication
  • Worked on source and Destination NAT according to different projects and internal web applications requirement
  • Worked on multiple proxy technologies’ to provided unauthenticated access to endpoint updates, web application
  • Collaborated with network and security teams to design and optimize secure internet and remote access solutions
  • Created Forwarding profiles in ZAPP Portal for the Groups to use based on the Authentication
  • Creating local admin account for ZIA and ZPA for all the Security Group and the Operational folks
  • Created locations for each site once the GRE Tunnel is up on the respected location for the traffic flow
  • To granulize the traffic created Sub-locations for each site
  • Created URL category for each service based on the requests
  • Created URL Policies for each URL Category Created
  • Created SSL inspection, domain bypass particular websites
  • Created Firewall Control policies as per organization and requester choice
  • Created Hosted PAC Files based on the organization request what to be accessed before and after authentication
  • Added Network Services to the Firewall filtering in Administration
  • Created IP&FQDN groups
  • Configuration of web filtering and managed firewall services
  • Implementing and troubleshooting firewall rules in Checkpoint and Palo alto firewalls as per the business requirements
  • Joining different Client calls for new S2S connectivity setup and troubleshooting phase1/phase2 VPN issues
  • McAfee and Symantec Cloud Secure web Gateway Proxy server rules enablement and troubleshoot issue
  • Capturing TCP dumps, VPN debug and tracker logs as part of trouble shooting in client calls
  • Configuring Anti-spoofing and IPS/IDS based on the requirement
  • Implemented Checkpoint firewall rules according to business requirements and verifications
  • Attending the calls with client network team whenever new setup or connectivity is down issues
  • Configuring Site to Site VPN and enable Client to Site VPN and troubleshooting in check point firewall
  • IPv4 network address translation Static NAT, dynamic NAT, IP SLA ICMP, UDP
  • Implement and troubleshoot peer relationships, IBGP and EBGP, BGP & OSPF, Static and default routing
  • Implement and troubleshoot layer 2 protocols VLAN access ports, VLAN database, extended VLAN, VTP & STP, Ether channel (LACP and PAGP)
  • Implement and troubleshoot layer 3 protocols Port channel, Interval routing virtual SVI, Implement High availability cisco switches through Stack, VSS as part cisco high availability solution
  • Troubleshooting BGP routing issues and issues related to route-map and prefix-list configurations
  • Upgrading device IOS (cisco router, Switches, Wireless controller, ISE server and firewalls)
  • Implementing the Change Orders on workflows
  • Backup and restore checkpoint configuration and Migration Checkpoint OS
  • Configuring the new L2 and L3 Switches into the live network and Configuring traffic ACL`S, SNMP, TACAC+ etc
  • As per ISG team security recommendation
  • Configuring the all-network devices Cisco (Router & Switches) and firewalls as per Dedicated ODC project client requirements
  • Review and fix the Vulnerability assessment NCs as part of Infosys internal and External Client Audit for all Dedicated ODC Network devices
  • Co-ordinate with onsite client engineers and provide support for activities & troubleshooting
  • Maintaining and providing the support to ODC Compliance of the network devices assigned
  • Monitoring the switch compliance from Cisco DNAC and verifying the compliance issues
  • Involved in Several BCP activities and provide the support for multiple Offshore Location.

Executive-Technical Service Group

Hinduja Global Solutions Ltd
Hyderabad
- 02.2019
  • Providing network support for the issues reported by the users from different branches & also by the Network monitoring team
  • Implement and troubleshoot first-hop redundancy protocols HSRP
  • Upgrading device IOS (cisco 1800 and 1900 series routers and 2950, 2960, 3750 switches)
  • Configuration of NAT/PAT, VLAN, troubleshooting VLAN or physical connectivity for servers and other devices, troubleshooting Cisco access-list, NAT issues
  • Troubleshoot issue’s related to intranet and internet hosted application URLs on proxy environments such McAfee Web Gateway through Proxy and firewall rule creation and PAC file change
  • Creating Policy on Cisco ASA and Palo alto firewall based on client business requirements
  • Monitoring the Server using ping and tracert Scripts for analyses Call drop or network Fluctuations
  • Configure Wireshark’s on endpoints for deep analysis report about Call drop Issue’s
  • Bandwidth analysis, monitoring of Cisco Routers, L3 Switches and links stability using SolarWinds
  • Maintaining proxy servers using web portal, adding secured clients, applying security and permissions for accessing Internet
  • IP’s reservation through MAC Bind in DHCP Server
  • Administration on Active Directory based on domain infrastructure
  • New user creation, assign privileges, password reset, account lockout, grant and revoke access for shared folders through ADS
  • Group Policy implementation and user rights assignment
  • Backup & restore of data through Symantec backup, offsite backup maintenance
  • Working knowledge on McAfee e Policy orchestrator & Symantec endpoint protection server console
  • Windows patch management through WSUS Server
  • Installation and managing of client applications such as Citrix, Talisman, Avaya Softphone and Cisco IP phones etc
  • Providing Technical support through multiple channels, such as telephone, ITSM tool, emails
  • Enable, Deployment and support Client Applications.

IT-Executive

Vibatel Solution Private Limited
Hyderabad
- 02.2016
  • To do changes in network (which includes IOS upgradation, Route the traffic from Primary to secondary if Primary link is flapping, Security and NAT Policy Creation firewall, adding VLAN, adding a route, password breaking of router and switches, managing unmanaged network) Maintenance of cisco routers 1800,2800 and cisco switches 2960,3550
  • Providing network support for the issues reported by the users from different branches & also by the Network monitoring team
  • Implemented all layer 2 security in our network to more it more secure
  • (DHCP SNOOPING, PORT SECURITY, SSH V2,) Implement Policy’s on Sophos UTM Internet firewall
  • Configuration of Static, Dynamic (RIP, RIP2, OSPF & EIGRP) and Default Routing protocols
  • Follow up from the all the ISP for the Branch office’s connectivity
  • Working with third party vendors for new project implementations related support
  • Investigate network performance issues that reported over a branch
  • Worked on issues mailed by operation teams
  • Troubleshooting VLAN, VTP, TRUNK LINK, OSPF, EIGRP
  • Configuration of Standard & Extended ACL
  • Configuration of PORT-Security over Switches (Manually)
  • Configuration VTP modes of Server, Client & Transparent in Cisco Switches
  • Truck configuration in Switches and troubleshoot
  • Backup of complete NVRAM and RAM of the Router and restore them whenever required
  • Support, Troubleshoot and Solve System, Server, Application and Network link-down issues
  • Install Basic Configuration and Troubleshoot Linux servers (Asterisk, Apache Web)
  • Backup data call recordings and network devices backup on weekly basis and restore if business requirement.

Education

Master of Computer Applications - Computer And Information Sciences

Nizam College
Hyderabad
10-2013

Skills

  • Routers
  • Cisco ASR
  • Switches
  • Cisco Nexus
  • Cisco Catalyst switches
  • Access Points
  • Wireless controllers
  • LAN Technologies
  • Ethernet
  • Fast Ethernet
  • Gigabit Ethernet
  • 10 Gigabit Ethernet
  • Port-channel
  • VLANS
  • VTP
  • STP
  • RSTP
  • 8021Q
  • Forward Proxy
  • McAfee Web gateway
  • Bluecoat
  • Symantec WSG
  • Zscaler
  • Reverse Proxy
  • Akamai
  • Firewalls
  • Check point Firewalls/VPNs
  • Palo Alto
  • Zscaler VPN
  • OS products/Services
  • DNS
  • DHCP
  • Windows
  • LINUX
  • Mac OS
  • VMware
  • Protocols/Services
  • Routing Protocols
  • OSPF
  • EIGRP
  • BGP
  • QoS
  • HSRP
  • VRRP
  • TCP/IP
  • Load balancer
  • IPSec
  • MPLS
  • PPP
  • Management Tools
  • Wireshark
  • Cisco Works
  • SolarWinds
  • Cisco ISE
  • Cisco Prime Infrastructure
  • Protocols
  • TACACS
  • RADIUS
  • Scripting
  • Python
  • PowerShell
  • Cloud Platforms
  • AWS
  • Azure

Pancard

CJKPB8464L

Personal Information

  • Passport Number: S9260726
  • Date of Birth: 11/21/89
  • Gender: Male
  • Nationality: Indian
  • Marital Status: Married

Languages

English, Telugu, Hindi

Disclaimer

I hereby solemnly declare that the above furnished details are correct to the best of my knowledge.

Languages

Telugu
First Language
English
Upper Intermediate (B2)
B2
Hindi
Elementary (A2)
A2

Timeline

Senior Systems Engineer & Technology analyst

Infosys Limited
02.2019 - Current

Executive-Technical Service Group

Hinduja Global Solutions Ltd
- 02.2019

IT-Executive

Vibatel Solution Private Limited
- 02.2016

Master of Computer Applications - Computer And Information Sciences

Nizam College

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Busani Rajkumar