leon@Shayispani:~/
leon@shayispani: ~/
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Security Research Platform v2.1

drwxr-xr-x leon projects/
drwxr-xr-x leon research-articles/
drwxr-xr-x leon My-other-computer-is-your-computer.csv
drwxr-xr-x leon profile.md

profile.md

#

#Leon Zama Ndaba

##Software Engineer · Linux Enthusiast · Cybersecurity Researcher

---

## Summary

Building & colleborating in secure applications, backend systems, Linux infrastructure, automation, cybersecurity research.

❯ $ cd projects $ cd research

Featured Projects

Engineering Case Studies

Production systems, automation, Linux infrastructure, deployment workflows and security engineering.

01

MoxRox-Inspired Enterprise Infrastructure Home Lab

Designed and built a virtual enterprise infrastructure to develop practical Linux system administration, virtualization, automation, and infrastructure engineering skills.

UML PHP libvirt RockyOS MariaDB Nginx Laravel SUSE

Status

Completed

View Case Study →

Timeline

Engineering Journey

Every role added another layer—from enterprise IT operations to software engineering and cybersecurity research.

Feb 2026 — Present

System Administrator

GrayCloud Bridge

Responsibilities

  • Provide Linux systems administration and infrastructure support within production environments.
  • Perform user management, file permission configuration, package management, and service/process administration on Linux systems.
  • Troubleshoot infrastructure, networking, and system-level incidents to maintain operational stability.
  • Support networking services including TCP/IP, DNS, DHCP, routing, firewall configurations, and VPN connectivity.
  • Utilize Bash scripting and automation tools to streamline operational support tasks.
  • Work with virtualization platforms, containers, and monitoring tools within lab and operational environments.
  • Maintain system logs, monitor infrastructure health, and assist with operational maintenance activities.
KVM SUSE Firewall VPN Docker

Aug 2023 — Jan 2026

IT Support & Application Support

African Bank

Responsibilities

  • 3+ years supporting production banking systems across applications, ATMs, POS devices, and card printers.
  • Provided 1st & 2nd line technical support, resolving application, infrastructure, and transaction-related incidents.
  • Monitored production environments using Dynatrace, performing deep log analysis and system diagnostics.
  • Investigated ATM and POS transaction failures, connectivity issues, and backend integration errors.
  • Supported card printer systems including driver issues, personalization failures, and device connectivity.
  • Performed end-to-end transaction tracing across applications, APIs (SOAP), and backend banking services.
  • Managed incidents and service requests aligned with ITIL processes and SLA targets.
  • Conducted root cause analysis (RCA) for recurring incidents and production defects.
Active-Directory Customer-Support Technical-Support EQ Communication Incident-Log

Mar 2023 — Mar 2023

System Developer

Mindworx Consulting

Responsibilities

  • Built web system to connect alumni x sponsors via the consulting firm.
  • Designed and developed a web-based system to connect alumni with sponsors via the consulting platform.
  • Implemented backend services using Java Spring Boot, following RESTful design principles
  • Built responsive frontend components using React.js and Tailwind CSS.
SpringBoot React.js Git Tailwindcss PostgresSQL

Aug 2020 — Sep 2020

Java Software Volunteer

Pybergate

Responsibilities

  • Applied object-oriented design principles to build and structure Java-based systems.
  • Assisted in designing modular, maintainable codebases.
  • Gained exposure to real-world software development workflows and best practices.
  • Collaborated remotely with team members on design and implementation tasks.
OOP Unit-Testing Java Servlets PostgresSQL
Engineering Dashboard

Current System Status

System Monitor

ONLINE
Current Focus
Laravel Linux Python Bug Bounty
Operating System
CachyOS Linux
Primary Stack
Laravel / Python
Database
MariaDB
Version Control
Git
Latest Project Sentinel Hopper
Current Branch profile-experience
Mission Top Security Researcher

Projects Built

1

Production & Research

Knowledge Base

Most Read Research

Articles engineers found the most useful across Linux, infrastructure, Laravel and security.

Infrastructure development

How my website is deployed

Let me quickly take you through my deployment pipeline.

17 Jun 2026 7 min read 43 views
README.md
#
Read Article →

Featured

Research Library

FEATURED .md

Keep UniFi versions updated - CVE2021-44228

How an exposed UniFi Network Interface can get your clients in trouble.

HTB Machine Cyber Security
3 min Open →
FEATURED .md

How my website is deployed

Let me quickly take you through my deployment pipeline.

Infrastructure development
7 min Open →
leon@shayispani: ~/contact

OPEN CONNECTION

Let's Build Something Great

Interested in backend engineering, Linux infrastructure, Laravel development, cybersecurity research or building software that solves real problems.

Contact Me GitHub → LinkedIn →