Threat Hunter L3 Professional
Full Time
1 month ago
Employment Information
- Proactively hunt for threats across endpoints, network, cloud, and SIEM data sources.
- Develop and test threat hypotheses using cyber threat intel (CTI), ATT&CK framework, and past incident data.
- Analyze logs, events, and telemetry from SIEM, EDR, NDR, and cloud security tools.
- Identify patterns, anomalies, and Indicators of Attack (IOA) / Indicators of Compromise (IOC).
- Create threat detection use cases, rules, and dashboards in SIEM/EDR platforms.
- Work closely with SOC teams to improve detection coverage and reduce false positives.
- Conduct root-cause analysis of suspicious activity and recommend long-term fixes.
- Build, document, and maintain threat hunting playbooks.
- Stay updated with emerging threats, APT groups, TTPs, and security trends.
- Collaborate with Incident Response, Red Team, and Vulnerability Management teams.
- Required Skills & Qualifications Strong understanding of cybersecurity fundamentals, threat types, and attack techniques.
- Hands-on experience with SIEM tools (Splunk / QRadar / Sentinel / Chronicle / Elastic).
- Experience with EDR platforms (CrowdStrike, Defender, Carbon Black, SentinelOne).
- Good knowledge of MITRE ATT&CK, Cyber Kill Chain, and threat modeling.
- Ability to analyze large datasets and identify suspicious behavior.
- Experience creating custom detections, correlation rules, and use cases.
- Strong skills in log analysis (Windows, Linux, network devices, cloud logs, etc).
- Scripting knowledge (Python / PowerShell) is preferred.
- Experience with threat intelligence platforms is an added advantage.
- Preferred Qualifications Relevant certifications GCIA, GCIH, GCFA, GCTI Threat Hunting-focused certs (eg, SANS SEC555) Experience in SOC L2/L3, DFIR, or Red Teaming roles.
- Knowledge of cloud security (AWS, Azure, GCP).
- Soft Skills Strong analytica.
- 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.
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