CareerPlan

Ingénieur CSIRT

9ème Arrondissement, ParisFull-time2026-10-19

Core

CSIRT engineer supporting operational security missions for a major banking client, focusing on incident detection, analysis, response, and threat hunting in critical technical environments.

Role type

Senior IC cybersecurity engineer (CSIRT/SOC)

Builds

SIEM detection rules, monitoring tests, and security response capabilities for production infrastructure

Domain

Cybersecurity / Financial Services

Required skills

SIEM/SOC operations, Threat Hunting, incident response, malware/APT techniques, Windows/Linux security, scripting (Python, PowerShell, Bash, Java, SQL, Ansible), MITRE ATT&CK framework

Preferred skills

Forensics, malware analysis, reverse engineering, pentesting, ETL tools (Pentaho)

Technologies

SIEM, SOAR, EDR, ELK, Big Data, PowerShell, Python, Java, SQL, Ansible

Responsibilities

Create, test, and maintain SIEM detection rules; design and implement monitoring tests for detection use cases; conduct Threat Hunting and analyze weak signals on Big Data/ELK environments; develop and evolve SIEM use cases and scripts; participate in incident analysis and response with SOC/CERT/Purple Team; collaborate with Purple Team to identify new detection capabilities; challenge Defense teams on security tool capabilities; study and propose innovative solutions for detection and response; maintain operational conditions of log collection and detection infrastructures; produce reports and track security operational indicators

Seniority

Senior, hands-on IC