SOC Detection Analyst - Cybersecurity - Ile-de-France

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 helping its clients 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 2,500 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 itself in North America (Toronto), as well as in Asia Pacific (Singapore).

We offer 3 domains of offerings: Prevention, Protection & detection and response. These 3 domains 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.

• An end-to-end trusted 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

You will join a SOC (Security Operation Center) within our client.

You will be immersed in a high-criticality environment that will allow you to quickly understand the stakes of our activities.

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 configure and adjust detection rules to improve threat detection.
• 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 Use Case & Detection, Investigation & Response playbooks
• You contribute to the improvement of SOC processes.
• You develop incident response plans
• You participate in vulnerability management activities.

Requirements

Your profile

• Graduate of an Engineering school or equivalent, you have at least 6 years of experience (excluding internship and apprenticeship experience) 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 SIEM tool Splunk
• You are familiar with the Mitre Att&ck matrix
• You process alerts reported by the SIEM (Splunk)
• You perform in-depth analysis of logs and alerts from various systems and security components
• You manage various incidents and vulnerabilities

What we offer

• A teleworking agreement to work from home up to 2 days per week depending on your missions.
• An attractive benefits package: health insurance, CSE, meal vouchers, profit-sharing, holiday bonuses, 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

Additional information CDI - Ile-de-France - SOC Analyst - SIEM, SOC Incident management, Splunk, creation of Use Case & Detection playbooks

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.