Summary
Overview
Work History
Education
Skills
Certification
Personal Information
Languages
Timeline
Generic

Thakur Abhinay Singh

Bangalore

Summary

Security professional with over 12 years of experience in Network, Cloud & Application security. Expertise in providing Security Consulting on threat landscape and implementing mitigation strategies using Cloud based security solutions, primarily on WAF, Bot Management, DDoS Mitigation, Content Delivery Networks (CDN), Zero Trust Application Access, Proxy, Sandboxing, Identity and Access Management (IAM), Network Firewalls, DNS,Proxy, Load Balancers, Threat Protection among others.

Overview

14
14
years of professional experience
1
1
Certification

Work History

Cybersecurity Engineer - Senior Consultant

Visa Inc
07.2022 - Current
  • Engineers, configures, deploys, and maintains Web Application Firewall solutions.
  • Develops alerts/reports to meet the requirements of key stakeholders.
  • Develops automation for security tools management and workflow integration.
  • Collaboration with key stakeholders within Cybersecurity Engineering teams to develop specific use cases to address web and application security requirements.
  • Create WAF rules to mitigate threats and implement security best practices.
  • Develop and enhance SIEM content for Cybersecurity teams, including correlations, enrichments, dashboards, reports, and alerts that appropriately illustrate and characterize web application attacks and mitigation mechanisms.
  • Analyzed security incidents to identify vulnerabilities and improve defenses.

Security Solutions Architect II

Akamai Technologies
08.2019 - 06.2022
  • Company Overview: Professional Services
  • Consultation (Pre-sales/Post-sales) and integration with best practices along with troubleshooting of Akamai's cloud security solutions including KONA (Akamai WAF) & Akamai Bot Manager.
  • Consulting customers in ASEAN region for all Security products of Akamai comprising of Rate limiting (DDoS), FastDNS, Siteshield, CDN, Client Reputation, API Protection, ZTNA, SASE and EAA/ETP (Akamai Zero Trust).
  • Knowledge of OWASP top 10 and its mitigation using SQL injection (SQLi), Cross Site Scripting (XSS) etc. being PCI and HIPAA compliant.
  • Planned security strategies by performing threat analysis of traffic pattern to identify false positive and implemented solutions to detect and mitigate malicious traffic while ensuring the accuracy of the implemented controls.
  • Identify, categorize, and take the appropriate action on different types of bots, based on their business and IT impacts with Akamai Bot Manager.
  • Advanced Bot Detection & Mitigation including behavior anomaly analysis designed to thwart credential abuse, gift card balance checking and other forms of web fraud aimed at login and transactional web pages.
  • Trained several customers and partners to self-service their configurations and future implementations.
  • Implementing API security.
  • Dedicated point of contact for consultation & integration of Enterprise Products (EAA/ETP) enabling customers to adopt zero trust model and eliminate VPNs and Threat protection.
  • Professional Services

Escalation Engineer

Citrix Systems
10.2018 - 08.2019
  • Company Overview: TAC
  • Handling Escalations for all issues with Netscaler Load-balancer, Netscaler Gateway.
  • Work With Engineering and Product management at the backend.
  • Create Article for typical issues and publish them on internal/external websites.
  • Provide Technical guidance to Front-line team comprising of (Technical and Sr. Support Engineer along with Tech Leads).
  • Conducting Technical Interviews for Escalation and Front-line team.
  • TAC

Sr. Product Support Engineer-II (Level2-Advance)

Zscaler
08.2016 - 10.2018
  • Company Overview: Z-TAC
  • Worked extensively on escalations against Zscaler forward Proxy (ZApp) and Zscaler Private Access (ZPA) – zero trust.
  • Worked on Cloud Proxy, URL filtering, Data Loss Prevention, Cloud App Control Policy, File type control.
  • Troubleshooting issues with latency over Proxy, Application access issue with Proxy.
  • Helped customers in fixing issues related to Application access using IAM framework using SAML.
  • Worked on IDP services (ADFS, Okta, Azure) to integrate SSO with Zscaler.
  • Dedicated technical resource for Premium Account Partner - OBS which has more than 50 end-customers using Zscaler.
  • Deploy Zscaler product during deployment for customers who do not buy deployment services (DAS).
  • Z-TAC

Network Specialist

CSS Corp
04.2015 - 07.2016
  • Company Overview: Juniper-TAC
  • I worked for Juniper Netscreen TAC as Network Specialist, troubleshooting escalated and high priority issues with SSG, ISG devices within stipulated SLAs.
  • Configuring and troubleshooting Juniper Firewalls including UTM features.
  • Configuration & troubleshooting of Site to Site VPN, client to site IPSec VPN, NSRP, all types of NAT, ACLs and managing traffic issue on the Juniper firewalls.
  • To report the bugs and issue to the Advanced TAC / Engineering team.
  • Replicating hardware and software issues faced in customer’s network and coordinating with the engineering department for fixes.
  • Define, Design and maintain the customer specific technical requirements.
  • Consulting for Security/Network hardening issues prior to security/ISMS audits.
  • Juniper-TAC

Network Engineer

Aricent
12.2013 - 03.2015
  • Company Overview: Cisco-TAC
  • I worked with Aricent as Network Engineer, for the project of Cisco VPN TAC as a member of security domain of Cisco TAC operations which is the last level of escalation in VPN technology across the globe.
  • High Level Debugging on Cisco ASA and routers and identifying the root cause of issues.
  • Consulting the customers if found them using non-standard practices advised by Cisco.
  • Configured and assisted in installing and maintaining VPN connectivity and complex routed secure LAN networks.
  • Addressing performance bottlenecks & ensuring maximum network uptime.
  • Assisting in the design & implementation of the network and its troubleshooting.
  • Performing recreates on client’s network setup in lab for analysis, recommendations and investigations for software defects.
  • Cisco-TAC

Service Engineer – Network

Microland
01.2012 - 12.2013
  • I worked with Microland Ltd as Service Engineer – Network as a part of Incident management team.
  • Maintaining and troubleshooting the various Cisco routers, switches and more than 25,000 WAN connectivity circuits (Leased Lines, ATM circuits, MPLS, Multilink) across the GE World of Businesses (GE Capital, GE Money, GE Commercial, GE Consumer retail finance & GE Healthcare).
  • Implementing emergency change requests based on the business requirements.
  • Resolving high priority tickets within the SLA that includes conference calls and chats with customers and various service providers (Ex: - AT&T, Verizon, Global Crossing, Vodafone etc) across the globe and with hardware vendors like Cisco, Telindus, Dimension Data and Orange.
  • Maintain 99.99% network availability by proactive monitoring of devices through the tools deployed.

Education

B.E - Information Science & Engineering

Rajiv Gandhi Institute of Technology
07-2011

Skills

  • Web Application firewall
  • Akamai
  • Cloudflare
  • Imperva
  • API Security
  • API Shield - Cloudflare
  • Imperva - API Anywhere
  • Siteshield
  • Bot Manager
  • API protection
  • DDoS mitigation
  • Client Reputation
  • Enterprise Application Access
  • Enterprise Threat Protector
  • Zscaler Private Access
  • Zero Trust
  • Proxy
  • ACL
  • NAT
  • IPSec
  • Site to Site VPN
  • Remote Access VPN
  • SSL VPN
  • Cisco Anyconnect
  • TCP/IP
  • OSI model
  • ARP
  • MTU
  • PMTUD
  • DHCP
  • DNS
  • ICMP
  • UDP
  • FTP
  • SNMP
  • HTTP
  • TLS
  • Stateful Packet filter firewalls
  • Cisco ASA 5500 series
  • Netscreen SSG
  • ISG
  • Load Balancers
  • EdgeDNS
  • AAA
  • Radius
  • TACACS
  • AD
  • SAML
  • Certificates
  • IDP-Okta
  • ADFS
  • SIEM
  • Identity and Access Management
  • Wireshark
  • HTTP Fiddler
  • TCPdump
  • WinSCP
  • GenAI - CoPilot
  • Python - Automation

Certification

  • Visa Payments Cybersecurity Associate Certification (2025)
  • API Security Fundamentals '25 - APISEC University
  • OWASP API Security Top 10 - APISEC University
  • Cisco Certified Network Associate - Routing & Switching
  • Cisco Certified Network Professional - Switching
  • Cisco Certified Network Professional –Routing
  • Cisco Certified Network Professional – Troubleshooting
  • Cisco Certified Network Associate - CCNA Security
  • Juniper Networks Certified Specialist – FW/ VPN (JNCIS – FWV)
  • ITIL V3 Foundation Certificate in IT Service Management

Personal Information

  • Pan Number: BBXPA2102E
  • Passport Number: K4588302
  • Date of Birth: 04/11/88
  • Gender: Male

Languages

Hindi
First Language
English
Proficient (C2)
C2

Timeline

Cybersecurity Engineer - Senior Consultant

Visa Inc
07.2022 - Current

Security Solutions Architect II

Akamai Technologies
08.2019 - 06.2022

Escalation Engineer

Citrix Systems
10.2018 - 08.2019

Sr. Product Support Engineer-II (Level2-Advance)

Zscaler
08.2016 - 10.2018

Network Specialist

CSS Corp
04.2015 - 07.2016

Network Engineer

Aricent
12.2013 - 03.2015

Service Engineer – Network

Microland
01.2012 - 12.2013

B.E - Information Science & Engineering

Rajiv Gandhi Institute of Technology
Thakur Abhinay Singh