Apprenticeship - Offensive Security Engineer

WE ARE BETCLIC

Betclic, European leader in sports betting, is much more than just an online gaming site! Also offering Poker, Horse Racing, and Casino games across various countries and continents, it is an inspiring and forward-thinking company: every day brings new challenges in a modern and dynamic environment. As an influential player in the tech industry, with strong and sustained growth over the years, we believe in innovation through diversity and inclusion and encourage everyone to reach their full potential. With our multicultural team, we provide an optimal, safe and responsible gaming experience, powered by cutting-edge technology.

An apprenticeship at Betclic means stepping straight into the game.

From day one, you'll be involved in impactful projects, working alongside experienced teams who will help you grow quickly.
Throughout your journey, you'll take part in events, meetups and initiatives designed to connect the talents of tomorrow with our teams.
And because we truly believe in the potential of the people who join us, some apprentices choose to continue their journey with Betclic after their apprenticeship.

WHY JOIN US?

At Betclic, success comes from passionate and committed teams. Here's why you'll love working with us:

An international and creative environment where every project is an opportunity to innovate
Hypergrowth that brings new challenges and development opportunities every day
A healthy work-life balance: flexible remote work and workplace well-being are essential pillars for us.
A unique and friendly atmosphere, with 1,600 employees across 5 countries and our headquarters in Bordeaux
Are you passionate about sports and tech? Join us and help shape the future of online gaming!

ENTER THE GAME

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.

YOUR ROLE WITHIN BETCLIC

In this role, your main missions will be:

• 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

WHO ARE WE LOOKING FOR?

We are looking for passionate and curious professionals who bring kindness and a touch of enthusiasm !
This job is for you if:

• 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

WHAT ARE THE RECRUITMENT STEPS?

If your application is shortlisted, a Talent Acquisition Specialist will contact you within a week for an initial HR screening (30 minutes). Then, you will complete the AssessFirst test (personality, motivation and cognitive reasoning).
Next, you will meet the Offensive Security Manager, your future manager, followed by a team member from the Security team.
About two weeks later, you will take a technical test with one of our Security experts.
Finally, the Talent Acquisition Specialist will conduct a final HR interview to review your AssessFirst results together.
The recruitment process usually takes between 4 to 6 weeks to ensure an optimal experience for you.

WHAT CAN YOU EXPECT?

✅ 25 days of paid leave and 10 RTT days
A 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