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I'm Sujan Humagain

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I break, fix, and secure systems — all before lunch.

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About Me

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Sujan Humagain

System and Security Engineer

I'm a System and Security Engineer dedicated to building resilient, secure, and high-performing systems. I work across Windows and Linux environments, with practical experience in endpoint protection, patch management, threat detection, and system monitoring. I specialize in using scripting and tooling to reduce manual overhead and enhance system security. My approach blends offensive awareness with defensive precision—focusing on real-world impact, clarity, and control in everything I build. I continuously explore advanced techniques like privilege escalation and secure scripting to anticipate attacker methods and close security gaps proactively. My hands-on experience with cross-platform tools and payloads allows me to innovate and automate solutions that strengthen defenses without sacrificing efficiency. At the core of my work is a simple philosophy: understand deeply, build smart, defend fiercely.

Resume

Tech Stack

ToolsCertificationsBadge
CrowdStrike Falcon

CrowdStrike Falcon

InsightVM

InsightVM

FortiGate

FortiGate

AdSelfService Plus

AdSelfService Plus

PDQ

PDQ

GitHub

GitHub

PowerShell

PowerShell

Palo-Alto

Palo-Alto

Projects

Portfolio
Next-Gen Portfolio Website

Next-Gen Portfolio Website

Tech Stack: TypeScript, JavaScript, CSS

Experience

Raechal Enterprises Pvt. Ltd

System and Security Engineer | November 2022 - February 2024

  • Designed and maintained robust Windows and Linux infrastructures, ensuring optimal system performance, security, and uptime across diverse environments.
  • Designed and maintained robust Windows and Linux infrastructures, ensuring optimal system performance, security, and uptime across diverse environments.
  • Developed and automated custom scripts and tools (PowerShell, Bash, Python) to improve operational efficiency, automate routine security tasks, and enable faster incident response.
  • Conducted threat detection and analysis using both signature-based and behavior-based methods, leveraging open-source and commercial security tools to identify and mitigate risks early.
  • Integrated monitoring and alerting systems (e.g., PRTG, Nagios) to provide real-time visibility into system health and security posture..
  • Communicate security findings effectively, fostering team collaboration.
  • Provided training and knowledge transfer to teams on secure scripting practices, incident handling, and system monitoring techniques..

Contact Me

Get in touch

My inbox is always open! 💌 Whether you've got a burning question or want to drop a friendly "hello", I'm all ears!👂 Let's chat! 🎉

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