Junior Penetration Tester - Apprenticeship (f/m/d)
On-site · Lille, Hauts-de-France, France
Job Summary
Join Decathlon Digital's Cyber Defense team as a Junior Cybersecurity Engineer (Apprenticeship) in Lille. Contribute to evaluating security posture via MITRE ATT&CK, participate in attack simulations with Atomic Red Team to validate alert generation in EDR/SIEM, manage vulnerability lifecycles through remediation, and help develop offensive tooling using Generative AI. Shadow senior analysts during complex penetration tests, help create and update technical Playbooks, and align with a Tech4Good, collaborative environment planned for a work-study path in cybersecurity. Requirements include pursuing a Master 1/2 degree, experience with cybersecurity labs/CTFs, knowledge of MITRE ATT&CK, scripting (Python, PowerShell, Bash), familiarity with Windows/Linux, AD, cloud basics (GCP/AWS), and bilingual communication in French and English. The role is based in Lille with an open work-study trajectory leading toward potential long-term opportunities.
Required Qualifications
- Pursuing a Master 1 or Master 2 degree minimum, specializing in Cybersecurity.
- Significant first experience (university projects, internship, work-study) or regular practice in labs/CTFs in cybersecurity.
- Fluency in French and English.
- Interest in sport and Tech4Good culture.
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