Summary
Overview
Work History
Education
Skills
Certification
Sociallinks - Linkedin
Timeline
Generic

Ramakrishna Abburi

Hyderabad

Summary

Experienced Network Security Professional with 7.5+ years of expertise in designing, implementing, and supporting Next Gen Firewalls, Proxy, Cloud, NAC, Load balancers, EDR, Routers, and Switches. Proven track record investigating security incidents in on-premises and public cloud environments.

Overview

7
7
years of professional experience
1
1
Certification

Work History

Network Security Engineer

Cognizant Technology Solutions Pvt Ltd
Hyderabad
12.2021 - Current
  • Configured and maintained firewalls, intrusion detection systems, and virtual private networks.
  • Developed security policies and procedures for network infrastructure to ensure organizational compliance.
  • Implemented security patches, hotfixes, and service packs on all systems in order to maintain system integrity.
  • Monitored network traffic using packet sniffing tools such as Wireshark to detect malicious activity.
  • Analyzed system logs from various sources including routers, switches, servers, and applications to identify suspicious activities or patterns.
  • Managed authentication services such as LDAP, Active Directory, Kerberos for user access control.
  • Assisted with incident response processes by providing technical support during investigations into suspected security threats.
  • Evaluated performance indicators to assess security control quality.
  • Monitor Systems Consoles and Remediate alerts. Perform policy administration for web proxies, URL filtering, and secure web gateway.
  • Engage and empathize with customers/users to support and resolve technical issues.
  • Experience in troubleshooting network issues and familiarity with the necessary tools.

Network Security Engineer

KPMG
Bangalore
03.2020 - 12.2021
  • Implementation, administrating of Firewalls, Cloud proxy, Load Balancer, Network Access Control, Routers and Switches
  • Handling day to day access and debug related issues
  • Upgrading and migrating the firewalls
  • Upgrading security devices firmware and replacing hardware of failed devices
  • Administration of public cloud network security
  • Configuring and troubleshooting the Site to Site VPN in multivendor environments
  • Participating in regular vulnerability reviews and implementing the suggested actions on network security devices to reduce the attack surface of the network
  • Managing the network security device logging to SIEM tool
  • Managing the SSL certificates of the websites in the Load Balancer
  • Investigating the network security incidents reported by SOC specialists
  • Implemented the SSL inspection, Malware protection, Sandboxing, URL Filtering and other security related features
  • Creating Vnet, IP address, NSG and VPN in public cloud environments
  • Diagnosing and troubleshooting operational problems in On-prem and public cloud environments

GNOC Engineer

Sify Technologies
Chennai
04.2017 - 03.2020
  • Perform daily administration of network and security systems, including regular monitoring, maintenance, patching and upgrades
  • Diagnosing and troubleshooting websites access related problems
  • Troubleshoot the latency issues faced by the customers and providing best path in reaching their destinations across the world
  • Configuring and troubleshooting the firewalls and IPS devices
  • Implementing and troubleshooting the Site to Site VPNs
  • Responsible for creating RCA for major network outages and to work on corrective and preventive actions along with relevant stakeholders
  • Maintaining Network Security with AAA (Authentication, Authorization and Accounting)

Education

Bachelor of Science -

Acharya Nagarjuna University
Guntur
03.2014

Skills

  • Network Security
  • Palo Alto Next Gen Firewall
  • Zscaler Internet Access (ZIA)
  • Zscaler Private Access (ZPA)
  • Azure Cloud
  • Fortigate Firewall
  • SSL Certificate Management
  • BIG IP F5 LTM/GTM
  • VPN/IPSEC
  • Routing & Switching
  • Qualys
  • Incident Management
  • URL Filtering
  • Vulnerability Management
  • Microsoft Defender Endpoint
  • Microsoft Cloudapp Security
  • Wireshark
  • Azure Networking
  • Sandbox
  • IPS/IDS
  • SIEM
  • Firewall Installation
  • Azure Networking
  • AWS Practitioner
  • WAF
  • CASB

Certification

  • Palo Alto Networks Certified Network Security Administrator (PCNSA)
  • Zscaler Certified Cloud Administrator - Internet Access (ZCCA-IA)
  • Zscaler Certified Cloud Administrator - Private Access (ZCCA-IA)
  • Microsoft: Azure Cloud
  • AttackIQ: Assessment Design for Security Controls
  • Microsoft Certified, Azure Fundamentals – Microsoft.
  • Zscaler Zero Trust Certified Associate(ZTCA).

Sociallinks - Linkedin

https://www.linkedin.com/in/ramakrishna-abburi-74115b179

Timeline

Network Security Engineer

Cognizant Technology Solutions Pvt Ltd
12.2021 - Current

Network Security Engineer

KPMG
03.2020 - 12.2021

GNOC Engineer

Sify Technologies
04.2017 - 03.2020

Bachelor of Science -

Acharya Nagarjuna University

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Ramakrishna Abburi