Rithu Vadhana KR
Network Security Engineer
Chennai
Summary
Forward-thinking Network Security Engineer specializes in adapting business networks to emerging work realities. Provides secure connectivity for dispersed and cloud-based workforces through careful implementation of VPNs and user management tools. Builds large-scale, flexible networks designed to adapt to changing global business realities.
Overview
7
7
years of professional experience
4
4
Certifications
Work History
Network Technical Support Engineer L2 TAC
Broadcom INC
08.2019 - Current
- Troubleshot complex multi-vendor network service provider issues.
- Managed and assisted TOP 10 service provider customer APAC region
- Provided complete end-to-end engineering and installation of route-based IP network solutions.
- Managed, tracked, and coordinated problem resolution and escalation processes.
- Assisting customers on live priority issues on network
- Working on SDWAN Technologies such as TCP Optimization, Around globe Data Center Based Architecture. Data Indexing etc.
- Writing KB article after reproducing issue in LAB
- Taking Technical Collab Session to global Team
- Reporting Bugs and working with engineering Team on Bug Fix
- Troubleshoot Latency and Slowness related issues.
- Working on Linux based backend servers, parsing logs, Providing RCAs.
- Assisting customer with cut-over in their maintenance window.
- Helping customer with Upgrade process in Velocloud edge and Velocloud gateways.
- Troubleshoot issue between Hub and spoke DATA center cluster.
- Troubleshooting issue related to connection between VCO and Velocloud edge.
- Troubleshoot Cloud security Service tunnel issue to Zscaler, Palo Alto from DATA CENTER
- Troubleshoot routing issue Cloud security issue and DATA center issue.
- Deploying SDWAN Edge in AWS ad Azure. Troubleshooting issue related to it.
- Working on Policy based routing to Velocloud Gateway and cloud web security to route traffic to Melano cloud security – CASB, Decryption, URL filtering, IDP and IPS
- Troubleshooting NAT issue -one to one NAT issue , internal NAT ,firewall ( port based NAT, IP based NAT).
- Resolving HA issue related to Legacy HA and Enhanced HA
- Resolving Certificate related issue to SDWAN edge, Gateway and VCO
- Firewall rule configuration to manage inbound and outbound traffic.
- Routing based on Application.
- Configuring and troubleshooting Cloud web security issue from VCO, Edge and gateway
- Troubleshooting issue with Enterprise level customer.
- Helping customer with Migration
- Troubleshooting issue related to out of memory issue , latency issue, kernel issue, capacity issue
- Troubleshooting Application identification issue based on DPI and port based application mapping
- Troubleshooting Latency issue
- Deploying gateways and velocloud edges in Azure , AWS and GCP
- Troubleshooting OSPF and BGP issues
- Worked with developers and engineers to realize technological solutions.
- Maintained current and in-depth understanding of business processes, needs and objectives.
- Guided and influenced existing partners on recommended upgrades and enhancements to integrated solutions.
Network Security Engineer Paloalto TAC
CSS CORP
08.2016 - 07.2019
- Worked on Palo Alto (PA 200, 500, 2000, 3000, 4000, 5000 series firewalls).
- Interact with technical engineers to ensure that requirements are understood and deliver solution up to customer satisfaction.
- Assisting customers on live priority issues on network
- Provide extensive Hardware and Software support for above mentioned models.
- Assist customer in their maintenance window with activities like PANOS upgrade, configurations, hardware replacement etc.
- Troubleshoot Policy Based Forwarding, Nat, Security policies, QOS , LACP, Security profiles which includes threat, anti-virus, anti-spyware, wildfire, file-blocking, SSL inbound & outbound decryption, app-override, VPN with ikev1 & 2, Global Protect, captive portal, user-identification with LDAP, AD, Panorama, Zones, URL filtering, DHCP, proxy DNS, VLANS, High Availability with Active/Passive & Active/Active.
- Troubleshooted issue related to HTTPS and HTTPS
- Working on DATA LOSS PREVENTION
- Deploy Paloalto firewall in ESXi , Azure and AWS
- Analyzing logs providing RCA to customer
- Filing bug after replication in lab firewalls
- Maintain healthy relation with Customer and ensure high targeted CSAT ratings.
Education
Postgraduate Diploma - Cloud Computing
Great Learning ( Great Lakes)
04.2001 -
Master of Technology - Remote Sensing And Wireless Networks
Amrita School of Engineering
Coimbatore 04.2001 -
Bachelor of Engineering - Electronics And Communication Engineering
Tejaa Shakthi Institute of Technology
Coimbatore 04.2001 -
Skills
Protocols : TCP, IP, HTTPS, HTTP, SSL, DNS, DHCP,ARP , IPSEC,VCMP
Firewall concepts and Palo Alto Networks Internal Architecture, Panorama
VPN : IPsec and SSL
SDWAN concepts and Velocloud Edge internal architecture
SASE infrastructure
CSS tunnel ,Cloud Web security concepts
LINUX
Azure , AWS deployment and network security
IDP and IPS
Firewall Management
Network Performance Analysis
Performance Tuning
WAF
Certification
PCNSE 8.1
Timeline
CISSP trained and course complete from ISC2
04-2022
Vmware Velocloud SDWAN fundamentals and troubleshooting certified
08-2021
Network Technical Support Engineer L2 TAC
Broadcom INC
08.2019 - Current
PCNSE 8.1
07-2019
CCNA trained
12-2016
Network Security Engineer Paloalto TAC
CSS CORP
08.2016 - 07.2019
Postgraduate Diploma - Cloud Computing
Great Learning ( Great Lakes)
04.2001 -
Master of Technology - Remote Sensing And Wireless Networks
Amrita School of Engineering
04.2001 -
Bachelor of Engineering - Electronics And Communication Engineering
Tejaa Shakthi Institute of Technology
04.2001 -