Sr. SIEM Administrator - ELK

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.

Responsibilities-

• Configure, and maintain the SIEM platform (ELK)
• Develop and fine-tune correlation rules, alerts, and dashboards to support SOC use cases. Onboard log sources from various platforms (Windows, Linux, cloud, network devices, applications).
• Perform health checks, upgrades, and patch management of SIEM components.
• Work closely with SOC analysts to improve detection capabilities and reduce false positives.
• Collaborate with threat intel and incident response teams to create advanced detection logic.
• Automate log ingestion and alert tuning using scripting (Python, PowerShell, etc.).
• Develop and maintain documentation, runbooks, and standard operating procedures (SOPs).

Beneficial:

• Good Documentation skills
• Good at Incident Management.

Personal Characteristics:

• Strong communication skills, ability to work comfortably with different regions
• Actively participate within internal project community  
• Good team player, ability to work on a local, regional and global basis and as part of joint cross location initiative.
• Self-motivated, able to work independently and with a team.