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MJ

Marian John

Information Security Engineer

College Park, MD / Remote

๐ŸŸขAping In

Cybersecurity professional with a Master of Engineering in Cybersecurity from University of Maryland. Experienced in DevSecOps, cloud security, endpoint compliance, SIEM/SOAR, and penetration testing. Holds CompTIA Security+ and eJPTv2 certifications. TryHackMe Top 1% and active CTF competitor.

Skills

Microsoft Defender8/10
Risk Assessment & Management8/10
Microsoft Sentinel (SIEM/SOAR)8/10
Threat Analysis & Management8/10
Cloud Security (AWS)8/10
Intune / Endpoint Management (8/10)CrowdStrike Falcon (8/10)PowerShell (7/10)Python (7/10)Wireshark / Packet Analysis (7/10)DevSecOps / CI-CD Security (7/10)Digital Forensics (7/10)Linux Security (7/10)Microsoft Purview / DLP (7/10)Nmap / Nessus / Qualys (7/10)Penetration Testing (7/10)SAST/DAST (7/10)Burp Suite (7/10)Cryptography (6/10)C/C++ (6/10)

Work Experience

Information Security Engineer

Perfect Solutions Group Inc

Jul 2025 โ€” Present

Strengthened Zero Trust data governance by enhancing Microsoft Purview DLP policies, optimizing sensitivity labels, and refining audit controls across Microsoft 365 environments, reducing unprotected sensitive data exposure in alignment with SOC 2 compliance. Increased endpoint compliance rates from 72% to 96% by deploying Intune device configuration profiles, enforcing hardening baselines, and proactively monitoring non-compliant device trends.

DevSecOps Security Engineer

Bright Mind Enrichment and Schooling (BME)

Jul 2024 โ€” Jul 2025

Implemented mobile application security controls for the organization's iOS platform within Agile CI/CD pipelines, enforcing secure coding standards, data encryption, and authentication hardening across the full SDLC. Partnered with development teams to integrate SAST/DAST tooling and drive security mitigations, reducing exposure to critical vulnerabilities and embedding a shift-left security culture.

Security Analyst

Tata Consultancy Services

May 2021 โ€” Aug 2022

Optimized Microsoft Defender policies via alert analysis, reducing false positives by 90%. Analyzed DLP alerts for policy violations and documented findings in ServiceNow. Investigated and remediated malicious email incidents using Mimecast; conducted KnowBe4 phishing simulation campaigns that reduced organizational susceptibility rate by 86%.

Education

University of Maryland, College Park

Master of Engineering ยท Cybersecurity

2022 โ€“ 2024

Amrita Vishwa Vidyapeetham, Coimbatore

B.Tech ยท Electronics and Communication Engineering

2016 โ€“ 2020