Hi, I'm Ojasvi Ashish Chauhan

Senior Security Engineer Cybersecurity Engineer Data Science Expert Security Analytics Specialist

Leveraging data science and advanced scripting to enhance information security and automation. Passionate Cybersecurity Engineer with expertise in threat detection, incident response, and security analytics.

3 Degrees & Programs
10+ Certifications
8 Awards Won
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About Me

Senior Security Engineer specializing in security and data science

Passionate Cyber Security Engineer with strong scripting skills and expertise in Information Security, Automation, Incident Response, and Security Analytics. Focused on securing high-availability infrastructures through creative solutions. Skilled at threat detection and response, security infrastructure deployment through IAC & managing team of security experts.

Threat Detection Expertise

Leading big data management for SIEM solutions like Splunk, Chronicle & S3

AI/ML Security Models

Building ML models to enhance detection capabilities and reduce false positives

Team Leadership

Mentoring & managing a team of 7 security professionals

Career Journey

My professional experience in cybersecurity and threat detection

June 2025 – Present

Senior Security Engineer

Postman

Joined Postman as Senior Security Engineer, focusing on API security, infrastructure security, and implementing advanced threat detection mechanisms for a leading API collaboration platform.

API Security Infrastructure Security Threat Detection Security Engineering
2022 – June 2025

Senior Threat Detection Engineer

Tide Platforms Ltd

Promoted to Senior role, led big data management with SIEM solutions, built ML/AI models for threat detection, managed team of 7, and implemented insider threat detection programs.

Team Leadership Machine Learning Splunk SOAR AWS
2021/07 – 2022

Threat Detection Engineer 2

Tide Platforms Ltd

Focused on SIEM solutions implementation, developing parsers and normalization techniques, building ML models for enhanced threat detection capabilities.

SIEM Threat Detection Data Parsers ML Models
2020 – 2021/07

Cyber Security Engineer - II

Fair Isaac and Corporation (FICO)

Promoted to Engineer II, implemented Infrastructure as Code solutions, managed AWS security services, and developed SIEM use cases for monitoring diverse platforms.

Infrastructure as Code AWS Security Terraform SIEM
2019/01 – 2020

Cyber Security Engineer - I

Fair Isaac and Corporation (FICO)

Started my professional career in cybersecurity, learning security fundamentals, working with Docker containers, and developing skills in cloud security practices.

Security Fundamentals Docker Cloud Security Learning & Growth

Technical Skills

Technologies and tools from my professional experience

Security & SIEM

Splunk
Chronicle
SOAR
Proofpoint
Zscaler

Programming & Data Science

Python
Machine Learning
JavaScript
PyTorch
Scikit Learn

Cloud & Infrastructure

AWS
Terraform
Docker
Apache Sparks
Data Bricks

Featured Projects

Real projects from my professional experience

Vulnerability Management — Osquery to rescue

Developed a solution using open-source tools, specifically fleet-Osquery, to gather software intelligence and identify vulnerabilities with automated notification process for IT team.

Fleet Osquery Automation Vulnerability Management

Insider Threat Program — Leveraging data Science

Designed an ML model based on the isolation forest algorithm to monitor and detect insider threats for fintech company, achieving an accuracy of about 73%.

Machine Learning Isolation Forest Threat Detection Python

Securing Customer Card data leak's

Utilizing threat intelligence and open-source data, gathered and analyzed information on compromised card details from dark web forums and hacker marketplaces to prevent fraud.

Threat Intelligence Dark Web Analysis Fraud Prevention Data Analysis

Education

Continuous learning and academic excellence

2024/01 – 2025/06

Advanced Management Program in Business Analytics & AI

Indian School of Business

Advanced program focusing on business analytics, AI, data-driven decision making, and strategic leadership in technology organizations.

2023/01 – 2024/04

Masters in Cyber Security

Indian Institute of Technology, Kanpur

Specialized master's degree from premier IIT focusing on advanced cybersecurity concepts, threat analysis, and security architecture.

2015/07 – 2019/06

Bachelor's of Engineering (Computer Science & Technology)

Chitkara University, Punjab

Comprehensive engineering degree providing strong foundation in computer science, programming, and technology fundamentals.

Certifications

Industry-recognized credentials and expertise validation

AWS Certified

Solution Architect & Security Specialty

Proofpoint Certified

Insider Threat, Security Awareness & Identity Threat Specialist

Simplilearn Certified

Data Science with Python & Machine Learning

Udemy Certified

Full Stack Developer, Docker, Terraform, AWS Lambda, DevSecOps

Awards & Achievements

Recognition for excellence and innovation

SAP HANA Cloud Platform Hackathon

Secured 2nd rank in competitive hackathon showcasing innovation in cloud platform solutions.

2nd Place

Multiple Excellence Awards

6-time FICO SPOT Award winner and 2-time Tide Star Award winner for outstanding performance and innovation.

8x Winner

Let's Connect

Ready to collaborate on your next security project

Location

India