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RADJA
HARTONO

Cybersecurity enthusiast & aspiring cybersec engineer focused on network defense, ethical hacking, and building secure, reliable digital systems.

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See My Work

About Me

Who I am.

I’m a Computer and Network Engineering student with a strong interest in cybersecurity, networking, and modern technology. My journey started from curiosity for exploring how systems work, learning basic networking, and gradually diving deeper into security, ethical hacking, and digital infrastructure. Along the way, I’ve worked on network simulations, web projects, and hands-on technical tasks that helped me build both problem-solving skills and real-world experience.

What excites me most about cybersecurity is the constant challenge of learning and adapting in a fast-moving digital world. I enjoy building secure systems, understanding how vulnerabilities work, and continuously improving my technical skills through projects, courses, and experimentation. I’m always motivated to grow, explore new technologies, and create impactful solutions that combine functionality, security, and clean user experiences.

Name Muhammad Radja Hartono
Role Cybersecurity Engineer
Location South Jakarta, Indonesia
Experience 3 months
Status Open to Work

Skills

What I do.

🛠️
Cisco Networking
Experience with Cisco networking equipment and protocols.
🖥️
Mikrotik
Experience with Mikrotik networking equipment and protocols.
🐧
Linux & Command Line
Comfortable working with Linux environments, terminal commands, and system configurations.
🌐
Networking
Understanding network fundamentals, IP addressing, routing, switching, and troubleshooting.
💻
Scripting & Automation
Building simple scripts and automation tools using Python and Bash for networking and cybersecurity tasks.
🔐
Cybersecurity Fundamentals
Learning network security, ethical hacking concepts, vulnerability assessment, and system hardening.

Projects

Things I've built.

01
School Network Infrastructure Simulation
Designed and configured a simulated school network infrastructure using Cisco Packet Tracer, including IP addressing, switching, routing, and connectivity testing to improve network stability and understanding of real-world networking concepts.
Networking Cisco IP Addressing
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Certificates

Proof of work.

Sudin Kominfotik
2025
IT Support & Network Management
View Certificate ↗
BNSP
2026
Junior Technical Support
View Certificate ↗

Let's talk.

Have a question? You can contact me through the platform below ^-^

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