luka@it-ops:~$ cat about_me.txt
Result-oriented IT Professional with experience in maintaining
high-availability systems and 24/7 network infrastructure.
[CURRENT]: Focusing on IT Operations & Cybersecurity
[EDUCATION]: ITAcademy Certified Network Administrator
[AWARDS]: 3x State Champion (Electronics & IoT)
[SKILLS]: Network Administration, System Hardening & IT Support
[LOCATION]: Sarajevo, Bosnia and Herzegovina
$ ls --experience
> BHRT: IT Support Specialist (System & Network Maintenance)
> Adair Café Bar: Web Developer & Graphic Designer (Volunteer)
> Technical Blog: Cybersecurity Research & Digital Forensics
| Date | Issuer | Title | ID |
|---|---|---|---|
| 09/2025 | EF SET | English Certificate (C2 Proficient) | View |
| 05/2022 | Udemy | The Complete Python Hacking Course: Beginner to Advanced | View |
| 01/2022 | Udemy | Learn to Code with Python 3 | View |
| 01/2021 | ITAcademy | Certified Network Administrator | View ID: 025056 |
| Date | Award | Competition | Project & Technical Focus |
|---|---|---|---|
| 04/2019 | 🥇 1st Place | XI Festival rada | Interactive Table: Circuit design, LED matrix & ambient lighting logic. |
| 05/2018 | 🥇 1st Place | X Festival rada | IoT Solar Station: Bluetooth connectivity & optimized power management. |
| 06/2017 | 🥇 1st Place | IX Festival rada | Arduino Scoreboard: Wireless remote control with custom web interface. |
- Digital Forensics & Spyware Research (NSO Pegasus)
- Analysis: Conducted digital forensics using Mobile Verification Toolkit (MVT) to identify Indicators of Compromise (IOCs).
- Research: Documented 0-day exploits, encrypted backup decryption, and SQLite database analysis.
- Penetration Testing (Mr. Robot CTF)
- Exploitation: Network enumeration (Nmap) and web directory discovery (Gobuster).
- Privilege Escalation: Executed reverse shells, cracked MD5 hashes, and leveraged SUID misconfigurations for root access.
- Linux Server Hardening & Security
- Implementation: SSH key authentication, port obfuscation, and ICMP suppression.
- Automation: Set up unattended-upgrades and UFW firewall orchestration.
- Linux Environment Customization (Dotfiles)
- Implementation: Configured a minimalist tiling window manager (BSPWM) on Pop!_OS for workflow optimization.
- Tools: Optimized workspace using sxhkd, Polybar, Picom, and ZSH.
- Hardware Restoration & Modification
- Optimization: System overhaul, deep cleaning, and thermal management optimization.
- Firmware: Manual firmware upgrades and system exploits for custom environments.
- Blockchain Development (HSKY Token)
- Deployment: Provisioned a Debian-based environment to mint a custom SPL token on the Solana mainnet using Rust and Solana CLI.
- Infrastructure: Configured local keypair security and managed on-chain token accounts via terminal-based transactions.
- Integration: Successfully integrated the token into the official Solana Labs Registry through GitHub-based CI/CD workflows (Pull Requests & JSON schemas).
