Blog Perso
HPC engineering student
I am Simon "BigOuden" BÉLIER, a student at ENSIIE in the HPC (High-Performance Computing) program.

Professional Experiences
Research Internship in Cybersecurity
Sherbrooke University
Sherbrooke, Québec, Canada
May-June 2025 (4 months)
- Development of an automatic TLS 1.3 test generation process based on formal B specifications using the ProB tool in a post-quantum cryptography context.
- Design and implementation of robust evaluation criteria to validate the generated tests.
- Production of comprehensive technical documentation ensuring the longevity of the project.
Java
TLS 1.3
Cybersecurity
Test Generation
Summer School
C-19, IMT Starter
Évry, France
Summer 2024
- Development of a B2B and B2C ERP to organize sports events, trade shows, and seminars.
- Project planning and startup creation.
- Development of a web app (HTML, CSS, PHP).
Web Development
Fullstack
ERP
Management
Startup
Windsurfing Instructor
NPI Plougonvelin
Brittany, France
2021, 2022-2024
- Teaching windsurfing at various levels, developing my skills in clear communication and pedagogy.
- Close collaboration with the team, enhancing my ability to express myself concisely and precisely.
Teaching
Water Sports
Windsurfing
Communication
Education
Master's degree in Computer Science with a focus on HPC
Évry, France
Sept 2023 - 2026
HPC
System Architecture
Operating Systems
Baccalaureate, options: Math, Physics, Computer Science
Lycée Amiral Ronarc'h
Brest, France
2021
Science
High Honors
European Distinction
Projects
Self-hosted Infrastructure
France
July 2024-present
- Management of virtual machines and containers via the Proxmox hypervisor with integration of monitoring, DNS, VPN, and other open-source services.
- Private and public services with monitoring and OpenId Connect authentication.
Docker
OpenId Connect
DNS/Traefik
VPN
Ansible
Prometheus
Determination of the Local Density of a Nuclear System
ENSIIE
Évry, France
October 2024
- Calculation of generalized Hermite and Laguerre polynomials.
- Implementation of unit tests.
- Representation of the local nuclear density in the (x, z) plane (Matplotlib) and the local nuclear density in space (x, y, z) (POV-Ray).
C++
Python
Armadillo
Quantum Physics
Numpy
Valgrind
POV-Ray
Simulation of Solutions for a Quantum Harmonic Oscillator
ENSIIE
Évry, France
October 2024
- Calculation of solutions for the one-dimensional harmonic oscillator equation.
- Creation of unit tests and generation of documentation with Doxygen.
- Display of particle presence probability curves for different energy levels.
C++
Python
Armadillo
Quantum Physics
Development of an Image-based Interpreter (Piet)
ENSIIE
Évry, France
January 2024
- C development and discovery of imperative programming.
- Understanding the compilation chain.
- Manipulation of ppm images.
C
Valgrind
GDB
Makefile