Hello! I am Joffrey Birster. System administrator on Linux and Windows environments, but mostly Linux.
With experience in medium and big companies, along with a lot of personal projects, I'm passionate about system administration. Every day I learn something new, and I always try to improve and reinforce my knowledge. Autonomous, autodidact, with also a great teamwork spirit, I want to be one of the main reasons why a company thrives. I mainly work on Linux environments, and I'm also comfortable with Windows environments.
To learn more about my skills, professional and personal projects, or if you want to contact me, scroll down the page or use the shortcuts located on the upper right corner.
January 2023 - March 2024
During this assignment, I discovered that an application integrator is a real Swiss Army knife.
More information here.
June 2022 - October 2022
When I switched projects, I went to another Orange department where my team and I were managing a critical production platform.
More information here.
January 2020 - June 2022
After graduating, I was hired by SII. I started working for Orange's IT department on a secure infrastructure building project.
More information here.
September 2017 - August 2019
I worked at an Amazon.com logistics center in the IT department. I was there as an alternant, while preparing for a system administrator and networking engineer diploma, recognized as an RNCP level II diploma, which is four years after the baccalaureate.
More info here.
January 2017 - July 2017
Between the end of my HNC and the beginning of my system administrator and networking engineer diploma, I worked as a customer adviser for a French airline called La Compagnie. I worked for them while being situated in a call center called WebHelp.
My missions were to receive and answer client calls and e-mails. From booking for them to modifying reservations, everything was done in a command-line software called Worldspan.
June 2015 - July 2015
In order to validate our first year of HNC, we had to do an internship of six weeks. I did mine at the Association des Paralysés de France, abbreviated APF, which is a center that helps disabled people.
More info here.
2017 - 2019
CESi Alternance Dijon
During these two years, I was working as an alternant at Amazon.com while preparing for this diploma, which I got successfully in June 2019.
The diploma can be viewed and downloaded here. (French)
2014 - 2016
Lycée Edouard Branly Lyon
This HNC was done as continuous course in a high school. We learned the basis of computer science and networking. I successfully got it in July 2016.
The diploma can be viewed and downloaded here. (French)
2011 - 2014
Lycée Henri Parriat Montceau-les-Mines
I got my baccalaureate successfully in July 2014, with European English mention. It was in a high school, and I was studying science in general, speciality engineering science, where I learned the basics of small electronics and mechanics.
The diploma can be viewed and downloaded here. (French)
2019
EDX Online Learning Platform
I followed this online course with a passing score on EDX. It was a course that makes sure the candidate knows the basics of the Linux command line and most commonly used software and administrative utilities.
The certificate can be viewed and downloaded here.
2019
EDX Online Learning Platform
I followed this online course with a passing score on EDX. It was a course that makes sure the candidate knows the basics of how to use and administrate Redhat.
The certificate can be viewed and downloaded here.
2019
Cisco Networking Academy
I followed this online course on Cisco networking academy. This certificate proves that I followed the course where I learned the basics of networking and how to use Cisco software and hardware.
The certificate can be viewed and downloaded here. (French)
2012
University of Cambridge ESOL Examinations
In 2012 my high school was proposing the best English speakers to pass the tests for this certification. I accepted and got certified as B1 speaker, with a level between good and exceptional. I was only 15, and my English level has improved a lot since then.
The certificate can be viewed and downloaded here.