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Jagadeesh RajJR
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Jagadeesh Raj

@jagadeeshraj

Offensive security and SOC threat-intelligence analyst specializing in enterprise vulnerability validation and penetration testing.

India
Message

What I'm looking for

I want to work where I can validate vulnerabilities end-to-end, map attacker behavior to MITRE ATT&CK, and run hands-on threat hunting. I’m excited by teams that value structured reporting, fast triage, and continuous offensive-lab learning.

I’m an offensive security professional with 1.7 years of enterprise security experience at Ernst & Young (EY), combining SOC threat intelligence with hands-on penetration testing. I map real-world attacker TTPs to MITRE ATT&CK and drive investigations using SIEM telemetry and structured threat reports.

In my role, I triage and validate vulnerability scanner outputs (Nessus/Qualys), manually verifying exploitability to eliminate false positives and reduce remediation backlog noise by ~30%. I’ve mapped 50+ monthly security incidents (phishing, brute-force, lateral movement) and conduct threat hunting for privilege escalation, credential abuse, and suspicious lateral movement patterns.

I also strengthen my practice through lab-driven offensive work—building an Active Directory attack lab (Kerberoasting, Pass-the-Hash, DCSync, and lateral movement), an OWASP Top 10-mapped SQL injection scanner in Python, and a PowerShell post-exploitation recon tool. I’m CEH and CRTP certified and focused on turning attack-chain understanding into actionable detection and remediation outcomes.

Experience

Work history, roles, and key accomplishments

Ernst & Young logoEY
Current

Security Analyst

Aug 2024 - Present (1 year 10 months)

Triaged and manually validated Nessus/Qualys vulnerability scanner results, reducing remediation backlog noise by ~30%. Mapped attacker TTPs to MITRE ATT&CK across 50+ monthly security incidents and produced SIEM-driven threat hunting and incident reports with root-cause and remediation recommendations.

Ernst & Young logoEY

Cybersecurity Intern

Aug 2023 - Jun 2024 (10 months)

Monitored and triaged security events in Splunk and QRadar, escalating confirmed threats and achieving <10 minutes average triage time on P1 alerts. Performed Nessus/Nmap vulnerability assessments and delivered OSINT/dark-web intelligence reports aligned to OWASP Top 10 and NIST guidance.

Education

Degrees, certifications, and relevant coursework

SE

Saveetha School of Engineering

Bachelor of Engineering, Computer Science

2020 - 2024

Grade: GPA: 8.0

Activities and societies: Smart India Hackathon Winner — National-level hackathon (Dec 2023, Government of India).

Earned a B.E. in Computer Science at Saveetha School of Engineering. Graduated with a GPA of 8.0 and won the Smart India Hackathon in Dec 2023.

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