
Julien SEBIRE
Senior AI & Cybersecurity Specialist
Salary / Daily rate
Paris, France
Freelance
Can come onsite
Skills
Languages
About me
Intro
AI & cybersecurity specialist with 10+ years building secure industrial systems and AI applications. Founded Pozsty, transforming voice ideas into engaging social media posts in 3 minutes. Expert in IoT security, 5G protocols, and industrial control systems with proven track record at Thales, ESA, and Airbus.
Work experience
Founder
PozstyFreelance
Oct 2025 - Present
1 year 1 month
Pozsty aide les entrepreneurs, créateurs et dirigeants à transformer une idée vocale en post clair, structuré et engageant pour LinkedIn, X ou Instagram. Nous croyons que la parole est la forme la plus naturelle d’expression et que la technologie doit s’adapter à l’humain, pas l’inverse. Rôle : stratégie produit, IA, contenu, croissance.
Freelance
Hacking RealityFreelance
Jul 2022 - Present
4 years 4 months
Remote, OR 97458, USA
AI & Cybersecurity Specialist Building AI apps Cybersecurity of Industrial, IOT & AI technologies Educator on Industrial, IOT and AI technologies Speaker
IoT Security Researcher
De Haagse Hogeschool / The Hague University of Applied Sciences
Jul 2018 - Jul 2020
2 years 1 month
The Hague, Netherlands
Main research focus: Security and Privacy for the 5th generation of communication protocols (5G & LiFi) Side research focus: Security and Privacy for the electromagnetic spectrum for a wide range of use cases: Low Power communication protocols - LoRaWAN, Sigfox, Zigbee Satellites - Security of GPS/Galileo systems IIoT - Design of security architecture for the DurableCase Research project: https://vollegrondsgroentenet.com/nieuws/op-weg-naar-samenwerkende-robots-de-agrosector IoT - State of the art of IoT security from a technical/political and legal point of view Teaching lessons: GNSS (Global Navigation Satellite System) security IoT Security paradigm Security Risk Management From 2G to 5G - Technological evolution & security Security Operating Center 5G Security - Beginner 5G Security - Advanced 5G Physical layer Design Rethinking
Security Engineer
European Space Agency - ESA
Aug 2016 - Jul 2018
2 years
Security Engineer
Thales
Aug 2016 - Jul 2018
2 years
Security Consultant
European Network for Cyber Security U.A.
Apr 2015 - Jul 2016
1 year 4 months
The Hague, Netherlands
• Definition, harmonization and standardization of procurement security requirements for attack mitigation on the Smart Grid for various European Utilities. Sample work: https://www.oasis-open.org/committees/download.php/59272/EV%20Charging%20Systems%20Security%20Requirements.pdf • Design of secure architecture for embedded devices systems. • Perform risk analysis for industrial control system. • Security research for FP7 project – SEGRID • Contributing to national and international working groups and standardization committees. • Creating content by performing studies, resolving problems, writing opinions, evaluations and papers.
Industrial ICT Security Specialist Junior
Airbus
Feb 2014 - Mar 2015
1 year 2 months
Région de Hambourg, Allemagne
Tasks For Airbus in Hamburg within the department “ICT Risk & Security“ I am an Industrial IT Security Junior Specialist and I support the Industrial IT Security Experts of my team in the field of Security of Industrial Control Systems environments including Process Control, Distributed Control (DNC/CNC), PLC-based and SCADA systems and networks. I accumulate expert experience in the interesting field of Industrial IT and Control System security. My main tasks are: - Provides technical expertise to the ICT security team - Supports shop floor IT projects - Supports the design and implementation of Industrial IT security solutions for plants - Establishes and maintains relationship with Airbus worldwide organisation’s Industrial IT security specialists - Checks compliance with Airbus Company IS Security Directives and Standards and with the Airbus IT Security guideline and contribute to the before mentioned standards, directives and guidelines - Ensures the reporting for my activity
Research and development intern in Cyber Security
Euriware
Jul 2013 - Oct 2013
4 months
Région de Aix-En-Provence , France
Industrial Control System (ICS) Supervisory Control and Data Acquisition (SCADA) Control command system 2700X, NERC, NIST, ISA 99 Procedures documentation
Internship
Gerard bertrand
Jul 2012 - Oct 2012
4 months
11100 Narbonne, France
Creation of a new & secure infrastructure for a new place. Security Audit Information Securicy Policy based on ISO 27001 & 27002. Creation of a Disaster Recovery Plan. Worked with outsides companies. Replacement of the IT director for 3 weeks. Support level 1 - 2
Security Lab Manager
SUPINFO
Nov 2011 - Jul 2012
9 months
Montreal, QC, Canada
I am managing a project about IT security for students in my school to make them sensitive to every risks you can meet as an administrator.
Education
SUPINFO
Master's degree
2009 - 2014
6 years
Portfolio
