Rangarajan S in

Rangarajan S

Pioneer · DISC type Dsi
Cyber security Capability Manager at Cognizant
📍 Chennai, Tamil Nadu, India

Rangarajan is a Senior Security Architect and SOC Consultant with extensive experience in cybersecurity transformation roadmaps and strategies. A CISSP and ISO 27001 certified professional from Thangavelu Engineering College, he specializes in SIEM, SOAR, EDR, and Incident Response. Colleagues describe him as dedicated, an invaluable asset, and an approachable expert.

He is passionate about knowledge sharing within the cybersecurity community, frequently participating in industry events. He has served as a guest speaker at PSGR Krishnammal College for Women and as a panelist for CyberFrat meetups, discussing topics like cyber crisis management and security transformation.

He is a recipient of the Security Accelerator Award (2025) and a Rising Star Award.

Read the full overview →
Experience
9 Years
Current Role
Cyber security Capability Manager
Job Level
Middle
Location
Chennai, Tamil Nadu, India
Personality Overview

How Rangarajan shows up

Driven But Considerate
Decisive But Friendly
Friendly But Fast

If they are convinced, they can become very strong champions for your product They combine a unique set of diverse traits where they are fast and friendly but can slow down to be thorough when needed They have the unique ability to win both love and respect from their team (or outsiders)

Priorities

Topics Rangarajan cares about

Cybersecurity Education
Actively engages in educating others, evident from his guest lecture on "Elements of Cyber Security & Transformation" at a women's college to promote awareness.
Zero Trust Architecture
Shows a keen interest in modern security frameworks, having recently attended a masterclass on Zero Trust (ZT) concepts to enhance his understanding.
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Career

Work history

4-2025
Cyber security Capability Manager
Cognizant
4-2024 - 3-2025
Security Architect Specialist
NTT DATA, Inc.
1-2022 - 3-2024
Security Architect
Wipro
4-2018 - 1-2022
Security Consultant
Larsen & Toubro
3-2016 - 4-2018
Senior Network Engineer
Nokia
In the press

Media appearances

No media yetWe could not find public media appearances for this person.
Education
2007 - 2011
Bachelor's degree
Thangavelu Engineering College
Social presence
in
Behavioral profile

DISC profile (public)

D

Dominance (D)

Dominance (D) reflects how goal and task oriented a person is, and their ability to accomplish results irrespective of how demanding the circumstances might be. Those scoring high tend to be motivated by winning, competition, and success.

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