Hello, it's Lionnel

A passionate about what he does </>

#

Technologies and Open Source lover ❤️
Let's build strategy, secure and optimize your infrasctructure and application. 🎉

FR Resume EN Resume

$ whoami

Andrianina Lionnel RAZAFIMAHATRATRA

I'm an IT Engineer, living in Antananarivo, Madagascar and specialized in:
 > IT Systems, Security & Networks Administration 🛡️
 > AWS Cloud Solution Architect ☁️
 > Python & Bash scripting and automation 🐍
 > InfraOps: Troubleshooting, Monitoring, Observability, ... 🛠️👁️
 > DevSecOps: CI/CD + Security 🚀
 > Ethical hacking / Pentesting ☠️

I like playing Video game and CTF (Capture The Flag: an Hacking challenge where we try to pentest a network/system or application in the goal of finding a security breach to gather a flag) 🎮
I have already contributed to secure, by discovering vulnerabilities and security breaches, by building security strategies of many Web applications in prod. 🛡️
They called me Lionnel or Dijey and I'm a Cryptomoney enthusiast 🪙

Birthday : 02/10/1999

Age:

Pro Exp : +3 years

Email : lionnelrazaf@gmail.com

Phone : +261 32 61 968 23

City : Madagascar

French
87%
English
70%
Malagasy
98%

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Degrees and Certifications

2025

Certifications: Introduction à Docker

Fundamental knowledges of Docker. The owner of this certification has the capability to use Docker to deploy a Web application in a container.
Datascientist.fr.

2025

Cisco Introduction to Cybersecurity

Knowledge of cybersecurity, including the global implications of cyber threats on industries, and why cybersecurity is a growing profession. Understanding of vulnerabilities and threat detection and defense.
Cisco Networking Academy.

2025

AWS Certified Cloud Practitioner

Understanding of IT services and their uses in the AWS Cloud. They demonstrated cloud fluency and foundational AWS knowledge. Badge owners are able to identify essential AWS services necessary to set up AWS-focused projects.
AWS Training & Certifications.

2025

AWS Knowledge: Cloud Essentials

Knowledge of foundational AWS Cloud concepts with a focus on AWS Compute, Storage, Networking and Database services, security, architecture, pricing, and support.
AWS Skillbuilder.

2025

Cisco Black Belt: SASE

Secure Acces & Secure Edge: Cloud security, Edge Security, Network Security.
Cisco Sales Connect for Partners.

2025

Cisco Black Belt: Full Stack Observability S2

Full Stack Observability: Cisco deep dive observability solution for application workflow and business transaction.
Cisco Sales Connect for Partners.

2024

Cisco Black Belt: Full Stack Observability S1

Full Stack Observability: Cisco deep dive observability solution for application workflow and business transaction.
Cisco Sales Connect for Partners.

2024

Cisco Black Belt: ThousandEyes S2

Cisco Solution for Internet to Application Observability.
Cisco Sales Connect for Partners.

2024

Cisco Black Belt: ThousandEyes S1

Cisco Solution for Internet to Application Observability.
Cisco Sales Connect for Partners.

2024

Cisco Black Belt: AppDynamics S2

Cisco Solution for Application Observability.
Cisco Sales Connect for Partners.

2023

Cisco Black Belt: AppDynamics S1

Cisco Solution for Application Observability.
Cisco Sales Connect for Partners.

2023 - 2024

Professional MASTER II degree in Computer science

Systems & Networks Administration
Ecole Nationale d'Informatique - Fianarantsoa.

2018 - 2022 (1 blank year because of Covid-19)

Professional LICENCE degree in Computer science

Systems & Networks Administration
Ecole Nationale d'Informatique - Fianarantsoa.

2018

BAC degree

High School Scientific BAC (Série C - Mention Bien).
Lycée Privé Immaculée Conception - Morondava.

Experiences

2022 - Now

IT Engineer - NextHope

Systems, Security & Networks Administrator | AWS Cloud Engineer | Datacenter Administrator | IT Support & Helpdesk | DevOps Engineer | Automation & Scripting.
Infrastructure & security manager for:
Moozik - Music streaming and Karaoke.
Cart'in - Buy on Amazon.fr and be delivered in Madagascar, At Reunion, Ivory Coast, Djibouti and Maurice.
Ticketplace - Online ticketing where events organizers can sell and manage their tickets.

  • Cisco
  • Meraki
  • Fortinet
  • Peplink
  • Mikrotik
  • Linux
  • Docker
  • Kubernetes
  • Python
  • Bash
  • Windows
  • CloudFlare WAF
  • Firewall
  • AWS
  • SonarQube
  • Jenkins
  • ESXi
  • Hacking
  • Grafana
  • Prometheus
  • Telegraf
  • SolarWinds
  • DataDog
  • IAM
  • Kuma
  • AppDynamics
  • Rundeck
  • Bastion
  • VPN
  • Ansible
  • Programing
  • Nginx
  • Apache
  • MinIO
  • Varnish
  • FFMPEG
  • PostgreSQL
  • MongoDB
  • Wireshark
  • SSL/TLS

2024

Security consulant - INSTAT

Web application audit & securisation | Apache web server configuration optimization | Linux troubleshooting and fixing | FTP securisation | Server Firewalling.

  • Linux
  • Apache
  • Firewall
  • CloudFlare WAF
  • Mikrotik
  • SSL/TLS

2021 - 2024

President - ENI CYBERSECURITY

Staff team leader for a Cybersecurity club at "Ecole Nationale d'Informatique".
Main teacher, mentor and local CTF organizer.

  • Linux
  • Networking
  • Hacking
  • Leadership
  • Mentoring

2022

Backend Developer - ENI CYBERSECURITY

Messenger Chat bot development using Python, Firebase, OpenAI, Meta Llama and Facebook API. The main goal of the bot is to manage the club members by adding a QR Code generator as virtual badge, according to user informations at registration, with an instant check before each teaching session.
It is also about helping students with their studies and researches. It's done by integrating the OpenAI API and Meta Llma, Google translate, Web scraping, Youtube video search & play, Wikipedia search, Documentation search, Weather prediction, Image to Text with OCR, and so on ...

  • Linux
  • Python
  • API
  • Flask
  • Firebase
  • AI
  • Git
  • Github actions
  • SonarQube
  • Docker
  • SSL/TLS

2021

Systems Administrator Intern - Orange MG

As Mediation team member, I've centralized all servers scheduled tasks and management and build a real time monitoring with an alerting in case of incident. Integrating authentication with Windows Active Directory for Rundeck and SSH authentication and building a local mail server with Exchange.

  • Linux
  • Windows
  • Grafana
  • Prometheus
  • Bash
  • Rundeck
  • SSL/TLS

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Welcome to Dijey's portfolio 1.0 LTS