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AdityaMandage/README.md

Hi there, I'm Aditya Mandage 👋

LinkedIn GitHub Portfolio

🔐 System Engineer | Infrastructure + Security

I'm a System Engineer and infrastructure enthusiast who thrives at the intersection of system administration, observability, and cybersecurity. Currently scaling enterprise IT infrastructure at PhonePe, I focus on building resilient systems through robust logging pipelines, endpoint protection, and security monitoring.

💼 What I Do

System Engineer @ PhonePe (Nov 2025 - Present)

  • 🔄 Migrated production Elastic cluster (single → 3-node) with zero downtime
  • 📊 Built custom Logstash pipelines & security-focused Kibana dashboards
  • 🛡️ Deployed Wazuh SIEM cluster for 6,000+ endpoints
  • 🔧 Manage enterprise infrastructure through weekly patch cycles

IT Infrastructure Intern @ PhonePe (Jul 2025 - Oct 2025)

  • 📦 Managed BigFix patch deployment for 4,000+ Windows endpoints
  • ✅ Conducted CIS benchmark audits for macOS fleet (Jamf)
  • 🐧 Built on-prem Ubuntu repository infrastructure

🛠️ Tech Stack

Security & Monitoring

Elastic Kibana Logstash Wazuh Wireshark Burp Suite

Systems & Infrastructure

Linux Ubuntu Kali Linux Windows Server Docker VMware VirtualBox

Development & Automation

Python Bash PowerShell TypeScript Git

🚀 Featured Projects

TerminaX - VS Code SSH Manager

Advanced SSH connection manager for VS Code with hierarchical organization, multi-session workspaces, and broadcast command execution.

Tech: TypeScript • SSH2 • xterm.js • VS Code API

Tech Arsenal - Security Toolkit Hub

Curated collection of security tools, scripts, and resources organized as a practical dashboard for security operations.

Live: adityamandage.github.io/Tech-Arsenal

Email Header Analysis Tool

Python-based forensic tool for automated email header analysis, IP geolocation, and phishing detection.

Tech: Python • OSINT • Email Forensics

🔬 Homelab Experiments

Currently running experiments with:

  • 🔒 DNS infrastructure hardening (Pi-hole + Unbound)
  • 🐳 Containerized security tool deployments
  • 📡 Network monitoring & threat detection
  • ☁️ AWS/cloud architecture learning

📫 Let's Connect

"Proactive security starts with strong observability."

Popular repositories Loading

  1. TerminaX TerminaX Public

    TerminaX is a VS Code extension for managing SSH hosts and multi-session terminal workspaces with foldered host organization, health monitoring, and workspace-scoped broadcast command execution.

    TypeScript 1

  2. AdityaMandage AdityaMandage Public

    Config files for my GitHub profile.

  3. SimpleExpenseLogger SimpleExpenseLogger Public

    Kotlin

  4. Wordlists-Checker Wordlists-Checker Public

    A tool that checks specific input into Wordlists that are available.

    HTML

  5. R2Bot R2Bot Public

    C++

  6. Tech-Arsenal Tech-Arsenal Public

    A repository for collection of cybersecurity tools, resources, guides for learning purposes.

    HTML