About Atos

 

Atos is a global leader in digital transformation with c. 78,000 employees and annual revenue of c. € 10 billion. European number one in cybersecurity, cloud and high-performance computing, the Group provides tailored end-to-end solutions for all industries in 68 countries. A pioneer in decarbonization services and products, Atos is committed to a secure and decarbonized digital for its clients. Atos is a SE (Societas Europaea) and listed on Euronext Paris.

 

The purpose of Atos is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence. Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space.

Triage, investigate, and analyze security alerts escalated from L1 analysts. Perform in-depth analysis of logs, alerts, and network traffic using SIEM tools (e.g., Splunk, QRadar, ArcSight). Conduct root cause analysis of security incidents and recommend containment/remediation actions. Respond to medium and high-severity incidents and escalate critical incidents to L3 or IR teams. Assist in threat hunting using IOCs, anomaly detection, and behavioral patterns. Develop and update incident response playbooks and standard operating procedures. Support use case development and tuning of correlation rules in SIEM. Collaborate with vulnerability management and threat intelligence teams to improve detection capabilities. Maintain detailed documentation of investigations, findings, and response actions.