Apprenticeship - Offensive Security Engineer

Offensive Security Apprentice

As an Offensive Security Apprentice, you will join Betclic's Security team and work closely with experienced professionals to identify, analyze, and mitigate security vulnerabilities across our systems. You will actively contribute to strengthening Betclic's security posture through hands‑on offensive security activities, research, and tooling development in a fast‑paced and highly technical environment.

Responsibilities

• Perform security audits on internal applications and features (web, mobile, APIs)
• Participate in Red Team operations under senior supervision
• Actively hunt for vulnerabilities across Betclic’s infrastructure and applications
• Contribute to offensive security R&D, including exploring new attack techniques and testing in controlled environments
• Develop and maintain internal tools (automation, offensive frameworks)
• Participate in malware development projects (implants, payloads, AV/EDR evasion)
• Track vulnerabilities and ensure proper remediation follow‑up
• Support incident response activities in collaboration with the SOC
• Collaborate with internal teams (Blue Team, Cloud, Compliance) to improve overall security posture

Technical Environment

• Web technologies, APIs, mobile environments
• Network and system security (Linux/Windows)
• Offensive security tools (Burp Suite, Metasploit, etc.)
• Scripting languages (Python, Bash, or similar)
• Red Team tooling and frameworks
• Malware development and evasion techniques
• Cloud environments and modern infrastructure

Qualifications

• You have strong foundations in offensive security (web, network, system vulnerabilities)
• You already have hands‑on experience (CTFs, bug bounty, personal projects, home labs, open‑source contributions)
• You demonstrate strong technical curiosity and the ability to learn autonomously
• You have an interest in offensive development (scripting, tooling, malware development)
• You are able to clearly document and communicate your findings
• You are comfortable working in English (reading and writing)
• You are eager to grow in a challenging and collaborative environment

Benefits

• 25 days of paid leave and 10 RTT days
• Ticket Restaurant® card credited with €11 per day (€6 per day funded by Betclic)
• 100 % health insurance coverage for you and your children
• 50 % reimbursement of public transport costs or an annual sustainable mobility allowance (€230 for commuting with sustainable transport)
• Hybrid work model
• Access to a vast training catalog, with opportunities for professional development every year
• Extraordinary office spaces with a rooftop where you can enjoy sunny breaks with a view of the Cité du Vin
• Internal events to liven up your daily life
• On‑site sports classes and organized tournaments (Pilates, circuit training, boxing, yoga, futsal, padel, tennis…)

Apprenticeship contract, available immediately in Bordeaux, Betclic Group – 117 Quai de Bacalan, 33300 Bordeaux.