Senior Dfir Analyst (H/F)

November 8, 2026

Office

Senior

Paris, France

Indeed

Keep in mind

Another language required
French
Office-only work

Also worth knowing

Includes on-call duty
English is required

Description

The employer is a cybersecurity audit firm whose CSIRT is hiring a Senior DFIR Analyst to strengthen incident analysis and response capabilities. The role combines hands-on forensic investigation, incident response coordination, crisis management support and mentoring of junior analysts. Missions span forensics, reporting, stakeholder communication and continuous improvement of response processes.

Gender markers in the title: (H/F)

In accordance with European anti-discrimination legislation, this job is open to all candidates

Hmale

Ffemale

Responsibilities

Perform forensic analyses (workstation, server, memory, network) for confirmed or suspected security incidents
Investigate technical traces (logs, artifacts, flows) to establish causes, operating methods and scope of compromises
Produce analysis reports usable by internal teams and clients
Lead a team of analysts during incident response missions: coordinate analysts, track actions, manage priorities
Contribute to the incident management strategy with stakeholders (client, CISO, SOC, partners)
Explain investigation results to non-technical audiences, orally and through management summary notes
Participate in continuous improvement of response processes (capitalization, standardization, automation)
Support cyber crisis management: advice, decision support and remediation plan development
Help clients return to a controlled secure state: scope assessment, cleanup, hardening, business recovery
Take part in technical watch and skills development of the DFIR team
Contribute to internal and external lessons-learned feedback
Occasionally mentor junior or confirmed analysts in their skills development

Requirements

Master's degree (Bac+5) in cybersecurity, systems, networks or equivalent
At least 5 years of experience in cybersecurity, with a significant share in incident response
Proven experience in project management and technical team leadership
Mastery of investigation tools and methodologies (DFIR-ORC, ELK, etc.)
Very good knowledge of Windows, Active Directory, Linux systems and architectures
Mastery of attack chain concepts (MITRE ATT&CK, TTPs, etc.)
Fluent French and English
Excellent interpersonal and writing skills, especially in sensitive contexts (crisis management, executive relations)
Ability to work autonomously, prioritize and manage situations under pressure
Preferred certifications: GCFA, GCIH, GCFE, CHFI, etc.
PRIS qualification is a plus
Ideally solid Python 3, PowerShell and other scripting languages

Conditions

Work from the Paris office
Occasional travel expected
Participation in the CSIRT on-call rotation (evenings and weekends)
Equal opportunity employer promoting diversity and inclusion

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