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Cyber Security Analyst

Lyon, France Regular Posted on   May. 06, 2026 Closing on   May. 20, 2026 Salary Range   EUR 48,000.00 - 64,000.00
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Le contenu du poste est libellé en anglais car il nécessite de nombreuses interactions avec nos filiales à l’international, l'anglais étant la langue de travail.

This job offer is accessible to all, regardless of gender.

Job title:Cyber Security Analyst

Location: Lyon, France
Type:Permanent,Full-time

About the job


As a Cyber Security Operations Center Analyst, Join a highly technical, elite operational team whose primary purpose is to rapidly detect cyber security attacks and intrusions and eliminate them. As firefighters respond to a fire, SOC analysts must stop and respond urgently to cyber threat detections. We are Story Tellers: we do the forensics, uncover technical facts, and translate data to tell fact-based stories everyone can understand about how we protect Sanofi. Be part of an elite, rapid-response team that serves as Sanofi's first line of defense against cyber threats. Work with cutting-edge threat detection technologies including EDR, SIEM, threat intelligence platforms, and AI-powered analytics. Develop deep technical expertise in forensics, incident response, and threat hunting.

About Sanofi:

We’re an R&D-driven, AI-powered biopharma company committed to improving people’s lives and delivering compelling growth. Our deep understanding of the immune system – and innovative pipeline – enables us to invent medicines and vaccines that treat and protect millions of people around the world. Together, we chase the miracles of science to improve people’s lives.

Main responsibilities

  • Monitor security events and alerts from multiple sources to identify potential threats
  • Conduct rapid triage and analysis of security incidents to determine scope and impact
  • Perform digital forensics and root cause analysis on confirmed security events
  • Execute incident response procedures to contain, eradicate, and recover from cyber attacks
  • Develop and refine detection rules, use cases, and playbooks to improve threat coverage
  • Collaborate with global SOC teams to ensure 24/7 threat monitoring and response
  • Document incidents and create clear, actionable reports for technical and non-technical audiences
  • Participate in threat hunting activities to proactively identify hidden threats
  • Contribute to continuous improvement of SOC processes, tools, and capabilities

About you

Formal Education and Experience Required:

  • Bachelor's Degree in Computer Science (preferably in Information Security) or equivalent work experience
  • Master’s Degree Preferred
  • Real-world SOC, Red or Blue Team, Operational or forensics experience
  • Computer Programming skills, especially in Python and Powershell
  • 5 years of professional experience in IS/IT, of which 2 years are in IS/IT Security
  • Security Certifications like CISSP or CEH preferred. (GIAC)
  • AI certification is a plus, or experience developing or leveraging LLM and/or machine learning for cyber security engagement.

Expertise and Competencies:

  • Incident response experience, competency with operational playbooks & process design.
  • Strong capability to translate technical context to non-technical people
  • Strong understanding of computer networks, firewalls, intrusion prevention technologies, EDR and Antivirus technologies is necessary. Real-world experience working with these technologies is expected
  • Experience with Security Orchestration and Automation Response (SOAR) tools, Incident Response tools and Security Information Event Management (SIEM) systems.
  • Experience designing and leveraging AI-powered security tools, with capability to build AI-based solutions enhancing threat detection and alert management.
  • Foundational scripting knowledge in Python and PowerShell combined with proficiency in AI-assisted development tools to build and maintain security automation.
  • Server management in Linux and Windows
  • Leadership and strong communication skills
  • Fluent French and Good English is required.

Soft Skills:

  • Eagerness to learn and grow
  • Ability to follow and contribute to established procedures
  • Strong documentation and reporting habits
  • Collaborative team player
  • Stays current with security threats and trends
  • Ability to work under pressure

Langages:

  • French Fluent
  • Good English

Why choose us?

  • Grow your cybersecurity career at one of the world's leading AI-powered biopharma companies, protecting systems that help deliver life-changing medicines to millions
  • Learn from elite cyber professionals across SOC, VOC, DevSecOps, Infrastructure, and more - with structured mentoring and hands-on exposure from day one
  • Grow fast with access to industry certifications, continuous learning programs, and a permanent upskilling culture
  • Work with cutting-edge security technologies including AI-powered threat

Ce que nous vous offrons : 

Une rémunération fixe sur 12 mois, ainsi qu’une participation & intéressement selon les résultats du Groupe Sanofi. 

Parce que prendre soin de nos collaborateurs, c'est aussi notre mission : 31 jours de congés payés + des jours de RTT selon votre statut, du télétravail jusqu’à 2j/semaine, mutuelle de qualité, prise en charge transport en commun jusqu’à 80% ; congés maternité (18 semaines) et congé accueil d’un enfant (14 semaines), Plan d'Épargne & Plans Retraite avec abondements, avantages CSE, opportunités de mobilités internes et internationales, une offre de formation personnalisable pour vous accompagner tout au long de votre carrière et bien d’autres avantages à découvrir ici.  

#LI-FRA

#LI-Hybrid

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Pursue Progress. Discover Extraordinary.

Join Sanofi and step into a new era of science - where your growth can be just as transformative as the work we do. We invest in you to reach further, think faster, and do what’s never-been-done-before. You’ll help push boundaries, challenge convention, and build smarter solutions that reach the communities we serve. Ready to chase the miracles of science and improve people’s lives? Let’s Pursue Progress and Discover Extraordinary – together.

At Sanofi, we provide equal opportunities to all regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, protected veteran status or other characteristics protected by law.

Final compensation will be determined based on demonstrated experience, skills, location, and other relevant factors. Employees may be eligible to participate in Company employee benefit programs.

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Sanofi careers in France

We're 20,000 people, working across 28 sites in France with one goal: getting medicines and vaccines to people who need them most. From day one, you'll take on exciting projects to set the course of your career. Whether you're a researcher or a marketer, you'll discover the tools, resources, and support you need to pursue progress. Develop your skills and work in inclusive teams to positively impact millions of people globally.

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  • Our culture & values

    Our culture & values

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    Why Sanofi

    Get access to the tools, training, and support to reach your goals. By fulfilling your potential, you’ll help us achieve our aim of halving the time from discovery to therapy.

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    Bring your passion to your role and impact millions of people around the world. You're in the driver's seat – just set your goals, and we'll provide the training and support that will get you there.

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