Experienced SOC Detection Analyst - Cybersecurity - Rennes

About the company

Sopra Steria, a major player in Tech in Europe, with 51,000 employees in nearly 30 countries, is recognized for its consulting, services, and digital solutions activities. It helps its clients lead their digital transformation and achieve concrete and lasting benefits. The Group provides a global response to the competitiveness challenges of large companies and organizations, by combining deep knowledge of business sectors and technologies with a collaborative approach. Sopra Steria places people at the heart of its action and is committed to its clients to make the most of digital technology to build a positive future. In 2025, the Group achieved a turnover of 5.6 billion euros.

**The world is how we shape it*​** Sopra Steria (SOP) is listed on Euronext Paris (Compartment A) - ISIN Code: FR0000050809​

The world is as we shape it _Sopra Steria's Cybersecurity Business Line is present in Europe with more than 2500 experts - more than half of whom are in France -, our mission is to provide trusted solutions and services to the most exposed public and private actors to ensure the resilience of their critical systems and protect their sensitive digital assets.__​_

_Beyond its strong European presence, the cybersecurity division is positioning and developing in North America (Toronto), as well as in Asia Pacific (Singapore).__​_

_We offer 3 areas of offerings: Prevention, Protection & detection and response. These 3 areas work together to provide our clients with homogeneous information and decision-making capabilities informed by operational reality. This approach is based on our transverse methodology centered on Mitre Att&ck.__​_

_Sopra Steria relies on proven and recognized sovereign capabilities to strengthen your resilience against cyberattacks and accelerate your digital transformation.__​_

• _A trusted end-to-end solution__​_
• _A "security by design" approach centered on business risks and transverse to the organization.__​_
• _A commitment to the development of innovative sovereign solutions.__​_

Each individual can have an impact on the response to these new cyber risk challenges. Everyone contributes both individually and collectively to securing our clients and society while maintaining their personal and professional growth.

Your tasks

Your role and missions Integrated within a SOC, you will participate in the following missions:

• You ensure the monitoring of cybersecurity alerts
• You also perform investigations and technical diagnostics of alerts
• You perform incident processing and provide responses to users regarding security issues
• You notably perform malware analysis and threat hunting
• You participate in the creation of Detection Use Cases & detection, investigation & response playbooks
• You contribute to the improvement of the Detection product

Requirements

Your profile

• Graduate of an Engineering school or equivalent, you have at least 4 years of experience (excluding internships and apprenticeships) in the field of Cybersecurity, and more specifically on SOC detection themes.
• You have a sense of initiative, demonstrate autonomy on the subjects entrusted to you, and are rigorous and methodical.
• You like taking initiative, working in a team, and solving technical challenges.
• You are curious, a good communicator, with an interest in the field of cybersecurity.
• You have a fluent level of English, both written and spoken.

Key technical and functional skills

• You master the Splunk SIEM tool
• You know the Mitre Att&ck matrix
• You process alerts reported by the SIEM (Splunk)
• You analyze in depth the logs and alerts from different systems and security components
• You manage various incidents and vulnerabilities

What we offer

• A teleworking agreement to telework up to 2 days per week depending on your missions.
• An attractive benefits package: health insurance, CSE, meal vouchers, profit-sharing, holiday and referral bonuses.
• Multiple career opportunities: more than 30 job families, as many gateways to imagine together.
• Hundreds of training courses to develop your skills and evolve within the Group.
• Self-paced training platforms to prepare for your certifications and support your personal development.
• The possibility to get involved with our foundation or our partner "Vendredi".
• The opportunity to join the Tech'Me UP collective (training, conferences, monitoring, and much more…).

Other

For more information, find us at www.soprasteria.com/fr​

Job description Your future working environment You will join a SOC (Security Operation Center) composed of about fifteen people. You will be immersed in a high-criticality environment that will allow you to quickly understand the stakes of our activities.

Additional information As an inclusive and committed employer, our company works every day to fight all forms of discrimination and promote a respectful working environment. This is why, committed to diversity and inclusion, we encourage all applications and all profiles.