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Looking for a job

Arvindhkumar Muthukumar

@arvindhkumarmuthukum

I investigate cyber threats and strengthen detection across cloud, endpoint, and identity environments.

What I'm looking for

I'm looking to strengthen security operations through threat hunting, incident investigation, detection engineering, cloud security, and automation while collaborating with security and client teams.

At CGI, I monitor and triage enterprise security events using Microsoft Sentinel, Microsoft Defender XDR, Azure security telemetry, KQL, and threat intelligence. I investigate endpoint, identity, cloud, and network alerts, validate indicators of compromise, and support timely escalation and incident response.

Previously at CodeNest Solutions, I assessed vulnerabilities across web applications, APIs, and cloud environments and built Python scripts that reduced manual log-analysis effort by approximately 25%. I enjoy improving detection coverage, reducing false positives, and helping teams remediate security risks earlier in the application lifecycle.

Experience

Work history, roles, and key accomplishments

CG

Current

SOC Analyst

Current

Oct 2025 - Present (11 months)

Monitored and triaged security events across client environments using Microsoft Sentinel, Defender XDR, and Azure telemetry. Investigated alerts, conducted threat hunting, tuned detection logic, and used AI-assisted tools to improve SOC efficiency.

Microsoft Sentinel Defender XDR KQL SIEM Threat Intelligence MITRE ATT&CK Incident Response Threat Hunting Security Automation Microsoft Security Copilot

CS

Cybersecurity Analyst

CodeNest Solutions

Jul 2022 - Aug 2024 (2 years 1 month)

Monitored security events, performed vulnerability assessments, and analyzed logs to investigate incidents. Developed Python scripts to automate alert enrichment, reducing manual effort by approximately 25%.

SIEM Vulnerability Assessment Log Analysis Python Security Automation Web Application Security Cloud Security

Education

Degrees, certifications, and relevant coursework

CU

Concordia University

Master's, Information Systems Security

2024 -

Pursuing a Master's in Information Systems Security at Concordia University, Montreal, with an expected graduation in June 2026.

ST

SRM Institute of Science and Technology

Bachelor's, Computer Science

2020 - 2024

Completed a Bachelor's in Computer Science with a specialization in Cyber Security at SRM Institute of Science and Technology, Chennai, India.

Tech stack

Software and tools used professionally

Python

Availability

Looking for a job

Location

Canada

Authorized to work in

Salary expectations

65k+ USD

Job categories

Cybersecurity Analyst SOC Analyst

Skills

Security Monitoring Alert Triage incident investigation Incident Triage Incident Escalation Incident Response Root Cause Analysis remediation SIEM Microsoft Sentinel Defender XDR Azure Security Detection Engineering Detection Logic Tuning Alert Tuning Log Analysis Event Correlation Threat Hunting Threat Intelligence MITRE ATT&CK Indicators Of Compromise Techniques And Procedures (TTPs)Persistence Detection Lateral Movement Detection Cloud Security Endpoint Security Identity Security Hybrid Environments Identity And Authentication Monitoring Access Control Vulnerability Assessment Web Application Security API Security Security Misconfiguration Vulnerability Remediation Secure Development Practices AI Assisted Investigation Microsoft Security Copilot Python Security Automation Alert Enrichment Investigation Workflows Kusto Query Language Security Events And Logs Analysis Security Telemetry Incident Documentation Technical Reporting Client Communication Cross Functional Collaboration

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