About Rémy
French
Native or bilingual
English
Conversational
Experience
- ELYSIUM SECURITYSystems, Networks & Security AdministratorTECHSeptember 2022 - September 2025 (3 years)Lyon, FranceAt ELYSIUM SECURITY, I held a cross-functional role combining systems/networks, operational cybersecurity, application development, automation, and integration of open-source tools.In addition to technical missions related to security and infrastructure, I designed, improved, and maintained an internal ticketing platform integrating a credit system and an advanced monitoring dashboard for more efficient operational management.MAIN MISSIONS• Linux infrastructure administration & hardening• Network management, supervision, operational security• Development of internal tools in Python/Bash (automation, logs, monitoring)• Integration of open-source tools: Wazuh, ELK, IDS/IPS• Contribution to security audits & R&D projectsAPPLICATION DEVELOPMENT (INTERNAL PROJECT)• Improvement of an internal ticketing platform• Design and integration of a credit system (tracking, calculations, management)• Integration of an internal SSO system (LDAP, Authelia, internal Identity Provider)• Integration of an internal SLO system to manage application sessions (Python / FastAPI)• Development of a comprehensive dashboard for statistics, activity, and reporting. (Python / Django)• Automation scripts for platform operation• Optimization of the operational workflow and support activity visibilityCONTRIBUTIONS• Technical rigor, automation, reliability, security• Linux & Python expertise applied to real environments• Design of business tools used in internal production• Solid foundation for designing and developing custom dashboards and tools
- Root-Me PROCTF Challenge Developer & Designer (Cybersecurity)TECHSeptember 2022 - September 2025 (3 years)Lyon, FranceAt Root-Me Pro, I participated in the design and development of CTF challenges for private and professional events. I created realistic vulnerable environments, advanced exploitation scenarios, and an immersive escape game for a private CTF, including an interactive 3D web interface in Three.js used as a central gameplay element.I also developed a custom leaderboard, inspired by platforms like CTFd, allowing real-time participant tracking, score and validated flag display, and scoring management via a custom backend.In parallel, I performed complete validation of the challenges (resolution, flag verification, technical QA) to ensure their proper functioning and adjust their difficulty.MAIN MISSIONS• CTF challenge development (Web, Network, Exploitation, Reverse, Crypto)• Design of vulnerable Linux/Docker environments• Creation of an immersive escape game• Development of a 3D web interface (Three.js)• Development of a custom leaderboard (CTFd-like)• Offensive QA: resolution, testing, flag validation• Python/Bash scripts: automation, scoring, deployments• Writing write-ups and documentation• Setting up infrastructure for private CTFsTECHNOLOGIESLinux, Docker, Python, Django, FastAPI, Flask, Bash, React, JavaScript, Three.js, HTML/CSS,Nmap, Burp Suite, Metasploit, SQLmap, Wireshark/Tcpdump, scoring tools, CTFd-like frameworks.CONTRIBUTIONS• Mastery of vulnerabilities and exploitation scenarios• Expertise in offensive QA• Creation of immersive experiences (escape game + 3D interface)• Design of a custom leaderboard• Security, UX, and event logic-oriented development• Ability to design complex custom environments and tools
- Sud0FXTRADING — Prop Firms & Funded Accounts (Personal Experience)PRIVATE EQUITYAugust 2023 - November 2025 (2 years and 3 months)Lyon, FranceComing from the cybersecurity world, where I developed rigor, automation, and system reliability, I have progressively transferred these skills to advanced trading.I worked on prop-firm trading (crypto & indices), successfully passed several challenges, and obtained a validated payout of €5,000, applying a structured, data-oriented methodology.My approach is based on the same principles as cybersecurity: analysis, risk management, monitoring, stability, automation, and code quality. I also design PineScript indicators and automated trading bots (Python / APIs) to systematize my strategies.APPROACH & METHODOLOGY (Cyber → Trading)• Structural analysis: liquidity, key zones, volatility• Real-time data: CVD, OI, funding, liquidations• Algorithmic trading strategy development• SOC-inspired routines: signals → correlations → decision• Strict risk management (R:R, drawdown, prop-firm rules)• Python scripts: analysis, journaling, monitoring• PineScript indicators (v5/v6)• Automated bots via API (Binance, Bybit, Bitget, brokers)ACHIEVEMENTS• Passed several prop-firm challenges (certificates)• Confirmed €5,000 payout• Tested and reproducible strategy models• PineScript indicators & signals• Python bots (Django / FastAPI) API connected• Dashboards, journals, and personal tools• Stable execution: Linux, logs, monitoringCONTRIBUTIONS• Robust and structured Python code• Development of custom tools (bots, dashboards, risk analysis)• Operational discipline from the cyber world• Advanced understanding of metrics, anomalies, and boundary conditions• Securing and making execution workflows reliable• Creation of stable and documented algorithmic trading systems• PineScript, backtesting, and advanced indicator expertise
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Education
- Professional License in IT Systems and Network Operations and Security (ESSIR)Université Claude Bernard Lyon 12023