SECURITY ANALYST

About Atos Group

Atos Group is a global leader in digital transformation with c. 56,000 employees and annual revenue of c. €7.2 billion (at the go-forward perimeter), operating in 54 countries under two brands - Atos for services and Eviden for products and systems. European number one in cybersecurity and a leader in cloud, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is the brand under which Atos SE (Societas Europaea) operates. Atos SE listed on Euronext Paris. 

The purpose of Atos Group 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. 

The SOC L1 Analyst is responsible for monitoring, detecting, and triaging security events and incidents within the organization’s IT environment. This is an entry-to-intermediate level role focused on initial analysis, alert validation and escalation to higher-tier analysts.

The ideal candidate is detail-oriented, security-focused and capable of working in a fast-paced, 24/7 operational environment.

Key Responsibilities

Monitoring & Detection

• Monitor security alerts and events from multiple sources (SIEM, EDR, firewalls, IDS/IPS, email security tools, etc.)
• Identify potential security incidents through alert analysis and correlation
• Perform initial triage to determine severity and impact

Incident Triage & Response

• Investigate alerts to distinguish between true positives and false positives
• Follow predefined playbooks and runbooks for incident response
• Escalate confirmed or suspicious incidents to SOC L2/L3 teams
• Document all findings, actions, and decisions in the ticketing system

Threat Analysis Support

• Perform basic threat intelligence checks (IP reputation, domain analysis, file hashes)
• Enrich alerts with contextual information
• Assist in identifying patterns or recurring security issues

Operational Tasks

• Maintain and update incident tickets accurately
• Participate in shift handovers and report key incidents
• Ensure SLAs for alert handling and escalation are met
• Support continuous improvement by providing feedback on detection rules

Required Skills & Qualifications

Technical Skills

• Basic understanding of:
• Networking (TCP/IP, DNS,
• Operating systems (Windows, Linux basics)
• Cybersecurity concepts (malware, phishing, brute force, lateral movement)
• Familiarity with:
• SIEM tools (e.g., Microsoft Sentinel, GoogleSecOps, Elastic, Splunk, QRadar)
• Endpoint security solutions (e.g., Defender for Endpoint)
• Log analysis

Analytical Skills

• Strong attention to detail and investigative mindset
• Ability to follow structured processes and playbooks
• Good decision-making under pressure

Soft Skills

• Strong written and verbal communication
• Ability to work in shifts (including nights/weekends if applicable)
• Team player with a proactive attitude

Preferred Qualifications

• 0–2 years of experience in cybersecurity or IT operations
• Relevant certifications (nice to have):
• CompTIA Security+
• SC-200 (Microsoft Security Operations Analyst)
• CEH (Certified Ethical Hacker) – basic level

• Exposure to:
  • SIEM platforms (especially Microsoft Sentinel if in M365 environment)
  • Incident response processes
  • Threat intelligence tools

Key Metrics / KPIs

• Alert triage time
• Incident escalation quality
• SLA adherence
• False positive vs. true positive accuracy
• Documentation completeness

Working Conditions

• 24/7 SOC environment (shift-based work required)
• High-pressure, fast-paced incident response scenarios
• Collaboration with global SOC teams and stakeholders

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.