Cassius Puodzius
Senior Cybersecurity Engineer | AI & GenAI
Salary / Daily rate
Rennes, France
Freelance
Remote only
Skills
Languages
About me
Intro
I am a cybersecurity engineer working in R&D at the intersection of artificial intelligence, security, and large-scale systems. I currently work at Nokia on the integration of generative AI into security platforms for the telecommunications domain, contributing to the development of intelligent capabilities within an extended detection and response (XDR) environment. My work focuses on applying modern AI techniques to support security analysis and operational workflows in complex infrastructure
Work experience
Nokia
Jul 2022 - Present
4 years 4 months
22300 Lannion, France
Senior AI/ML Cyber Security Engineer & Software Architect
Jul 2025 - Present
1 year 4 months
22300 Lannion, France
Architecting and leading the integration of LLM-based capabilities into production-grade XDR platform. Defining AI-driven detection and investigation workflows for large-scale telecom environments.
Cyber Security Engineer
Jul 2022 - Jul 2025
3 years 1 month
22300 Lannion, France
Contributed to the integration of LLMs into production-grade XDR platform. Conducted R&D in Cyber Threat Intelligence for telecom environments.
PhD Candidate
Inria
Feb 2019 - Dec 2022
3 years 11 months
Rennes Area, France
Research on Data-driven Malware Classification using Machine Learning.
Teaching Assistant
ECAM Rennes – Louis de Broglie
Sep 2019 - Feb 2020
6 months
35170 Bruz, France
Instructor for the Java Laboratory — Object-Oriented Programming (L2)
Teaching Assistant
Université de Rennes I
Sep 2019 - Feb 2020
6 months
Rennes Area, France
Lecturer for the Malware Analysis module — Introduction to Cybersecurity (M1)
Teaching Assistant
Université de Rennes I
Sep 2018 - Feb 2019
6 months
Rennes Area, France
Lecturer for the Malware Analysis module — Introduction to Cybersecurity (M1)
Engenheiro R&D
Inria
Feb 2018 - Jan 2019
1 year
Rennes Area, France
– Pesquisa e desenvolvimento de ferramentas para análise de malware e técnicas de machine learning para a detecção de malware.
Security Researcher
ESET
Apr 2016 - Jan 2018
1 year 10 months
São Paulo, State of São Paulo, Brazil
Security Researcher dedicated to tracking and hunting of Brazilian cyberthreats. Conference talks, mentoring and contribution to WeLiveSecurity.
IT Security Analyst
BTG Pactual
May 2014 - Apr 2016
2 years
São Paulo, State of São Paulo, Brazil
Early member of the Security Office, primarily responsible for application security while contributing to broader security initiatives.
Education
Université de Rennes I
Doctor of Philosophy, Cibersegurança
2019 - 2022
3 years 11 months
Universidade de São Paulo
Integrated MEng in Computer Engineering
2009 - 2014
5 years 1 month
Technische Universität Darmstadt
Exchange Program, Computer Science
2012 - 2013
1 year 1 month