DAVID FUMEIRA NDJIMBO

Cybersecurity Specialist | Network Engineer | IT Professional

Kigali, RW.

About

Highly motivated Information Technology student specializing in Systems, Network, and Communication, with practical experience across cybersecurity, networking, and software development. Proactively developing expertise in ethical hacking, penetration testing, and network security through hands-on projects and an active internship. Eager to leverage strong analytical skills, proficiency in Linux, Cisco technologies, and diverse cybersecurity tools to contribute to dynamic IT infrastructure and security environments.

Work

NetworkWalks

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Cybersecurity Intern

South Africa, , South Africa

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Summary

Conducted authorized cybersecurity assessments and applied ethical hacking methodologies to identify and mitigate security weaknesses in controlled environments.

Highlights

Executed comprehensive cybersecurity assessments, including reconnaissance, OSINT, and web/infrastructure analysis, to identify potential security weaknesses and attack surfaces.

Utilized a diverse toolkit including WHOIS, DNSLookup, WhatWeb, theHarvester, and Kali Linux to perform in-depth information gathering and security testing.

Applied ethical hacking methodologies to conduct authorized security testing, documenting findings and preparing detailed penetration testing reports.

Practiced and implemented core network security concepts, including configuring firewalls, traffic filtering, IDS/IPS, and honeypots, to enhance system defense mechanisms.

Education

Adventist University of Central Africa (AUCA)

Kigali, , Rwanda
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Bachelor's Degree Information Technology – Systems, Network & Communication

Courses

Network Security

Advanced Networking

Introduction to Linux

Wireless Networks

System Administration

Routers & Switches

Network Programming

Web Technologies

Java Programming & Object-Oriented Programming

Data Structures & Algorithms

System Analysis & Design

Database Management Systems

Languages

Portuguese

English

Spanish

Certificates

Cybersecurity Cohort

Solvit Africa, Rwanda

Ethical Hacking & Cybersecurity Training

Unknown

Cybersecurity Fundamentals

Unknown

Linux Administration

Unknown

OSINT & Information Gathering

Unknown

Social Engineering Awareness

Unknown

Cisco Networking Training

Unknown

CCNA Preparation

Unknown

CompTIA Security+ SY0-701 Preparation

Unknown

Skills

Cybersecurity

Ethical Hacking, Penetration Testing, OSINT, Reconnaissance, Vulnerability Assessment, Network Security, Web Security, Security Testing & Reporting, Social Engineering Awareness, Google Dorking, SIEM Fundamentals, IDS/IPS, Honeypots, Information Gathering, VLAN Segmentation, Server Segmentation.

Networking

TCP/IP, IPv4/IPv6, VLANs, VLAN Trunking, DHCP, DNS, NAT, ACLs, OSPF, EIGRP, RIP, BGP Fundamentals, HSRP / VRRP, QoS, Wireless Networking, Network Troubleshooting, Cisco Networking, Routers & Switches, Network Programming, Inter-VLAN Routing, Management VLANs, Voice VLANs.

System Administration & Infrastructure

Linux, Kali Linux, Windows, System Administration, VMware, VirtualBox, Docker, Apache, Nginx, pfSense, Server Configuration, Network Infrastructure, Artificial Intelligence, Network Automation, Network Monitoring, Self-Healing Networks, Infrastructure Automation.

Programming & Software Development

Java, C++, JavaScript, HTML5, CSS3, SQL, PHP, Laravel, Node.js, React.js, MySQL, PostgreSQL, Git & GitHub, REST APIs, Object-Oriented Programming.

Tools & Platforms

Nmap, Wireshark, Metasploit, Burp Suite, WHOIS, DNSLookup, WhatWeb, theHarvester, Cisco Packet Tracer, GNS3, pfSense, VMware, VirtualBox, GitHub, Kali Linux.

Professional Skills

Problem Solving, Critical Thinking, Teamwork, Communication, Adaptability, Continuous Learning, Technical Research, Attention to Detail, Time Management, Analytical Thinking.

Interests

Cybersecurity

Ethical Hacking

Penetration Testing

Network Engineering

Security Operations (SOC)

Cloud Security

Network Automation

Linux Administration

IT Infrastructure

Web Security

Artificial Intelligence

DevSecOps

Software Development

Projects

NetworkWalks Penetration Testing Report

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Summary

Comprehensive report detailing findings and methodologies from cybersecurity assessments conducted during the NetworkWalks internship.

EduCore – School Management System

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Summary

Developed a web-based school management system designed to support the academic and administrative operations of educational institutions, providing a centralized platform for managing school-related information and processes.

DFN Mundo Canino Website

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Summary

Designed and developed a complete website project demonstrating practical experience in web development and user-oriented website design.

Secure Network Infrastructure Design

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Summary

Designed and configured enterprise-style network environments using Cisco networking technologies.

AI-Based Autonomous Networking Exploration

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Summary

Explored the concept of an intelligent network infrastructure capable of using Artificial Intelligence to assist with network configuration, monitoring, troubleshooting and automated recovery.

Java Programming Projects

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Summary

Developed academic and practical projects using Java, applying programming and Object-Oriented Programming concepts.