Use Case Development - L3

About Atos Group

Atos Group is a global leader in digital transformation with c. 70,000 employees and annual revenue of c. € 10 billion, operating in 67 countries under two brands — Atos for services and Eviden for products. European number one in cybersecurity, cloud and high-performance computing, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. 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.

Use Case Development & Management

Design and implement detection use cases based on threat intelligence, risk assessments, and industry frameworks (e.g., MITRE ATT&CK).

Translate business risks and threat scenarios into technical detection rules across SIEM, EDR, NDR, and SOAR platforms.

Conduct gap assessments and continuously improve detection coverage against TTPs.

Create and maintain a Use Case Framework and inventory, documenting logic, triggers, response actions, and mappings (e.g., MITRE ATT&CK, NIST).

Conduct use case validation through simulation or purple teaming with red/blue teams.

SIEM Engineering & Rule Tuning Develop, test, and tune correlation rules, analytics, and alerts to reduce false positives and improve detection fidelity. 

Lead data source onboarding for logs from firewalls, proxies, endpoint security, cloud services, identity systems, etc.

Work closely with SOC L2 analysts to assess alert effectiveness and refine detection logic accordingly.

 Threat Intelligence Integration Incorporate threat intelligence feeds (IOC, behavioral, contextual) into detection logic.

Map threats to relevant use cases and proactively identify coverage gaps. Collaboration & Governance Collaborate with IR, red team, risk, and compliance teams to align use cases with evolving threats and regulatory requirements.

Define KPIs and metrics for use case effectiveness and SOC detection maturity.

Participate in governance meetings to review use case lifecycle, prioritization, and continuous improvement.

Automation & SOAR Integration Contribute to SOAR playbook design to automate responses tied to specific use cases.

Recommend enrichment and contextualization steps to improve triage efficiency.

Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all.

Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment. 

Choose your future. Choose Atos.