Senior SOC Analyst (L3) – IR & Threat Hunting

Integrity360; Paris; Hybride; EUR 65 000 - 95 000; Plein temps

Résumé du poste

Integrity360 is seeking a Principal SOC Analyst (L3) to serve as the Level 3 escalation point within the MDR/SOC function. You will provide advanced technical support to Level 2 analysts during complex investigations and contribute to the continuous improvement of detection strategies, tuning, and incident response playbooks across IT and OT environments.

The role requires hands-on security operations experience, strong knowledge of SIEM/EDR/NIDS/SOAR/DLP, and the ability to communicate

Qualifications

• Experience in Security Operations Centre or MDR environments.
• Experience with SIEM, EDR, NIDS, SOAR, DLP and related security monitoring technologies.
• Ability to analyse endpoint/network telemetry for complex investigations.
• Experience with SIEM query languages and detection logic.
• Strong understanding of attacker tactics and MITRE ATT&CK for ICs.
• OT/ICS familiarity and IT/OT convergence awareness.
• Experience developing detection use cases and incident playbooks.
• Customer-facing technical discussion experience.

Responsabilités

• Act as Level 3 escalation for advanced investigations.
• Support Level 2 during complex investigations with guidance.
• Analyze security events, logs, and telemetry.
• Lead investigations: scoping, containment, eradication, remediation.
• Analyse attacker behaviour and TTPs.
• Assist customers in tuning security monitoring capabilities.
• Review and improve SIEM/EDR/NIDS/SOAR configurations.
• Develop detection use cases and alert logic.
• Define customer monitoring strategies based on risk.
• Provide technical recommendations to improve posture.
• Conduct threat hunting and proactive analysis.
• Document findings and remediation steps clearly.
• Prepare technical reports for customers and partners.
• Monitor emerging threats relevant to customer environments.
• Contribute to SOC process improvements and playbooks.
• Mentor Level 1/2 analysts as needed.
• Lead investigations involving OT/ICS environments.
• Analyze OT protocols and industrial assets.
• Collaborate with OT Security Practice for improvements.

Connaissances

SOC operations

MDR expertise

Threat hunting

Incident response

Threat analysis

Detection tuning

MITRE ATT&CK

Log analysis

Endpoint telemetry

Network telemetry

Customer-facing

Communication skills

Threat intelligence

OT/ICS awareness

KQL / SPL / Sigma

Outils

Microsoft Sentinel

Splunk

QRadar

CrowdStrike

SentinelOne

Palo Alto

Suricata

Zeek

Snort

Nozomi

Armis

Description du poste

Integrity360 is seeking a Principal SOC Analyst (L3) to serve as the Level 3 escalation point within the MDR/SOC function. You will provide advanced technical support to Level 2 analysts during complex investigations and contribute to the continuous improvement of detection strategies, tuning, and incident response playbooks across IT and OT environments.

The role requires hands-on security operations experience, strong knowledge of SIEM/EDR/NIDS/SOAR/DLP, and the ability to communicate