CSIRT Analyst - Cybersecurity

• 07 August 2026
• 100%
• Temporary
• -, 1212 Grand-Lancy

Experis SA, the IT branch of ManpowerGroup, is a leader in recruiting specialized IT profiles. We offer flexible solutions: temporary missions, permanent placements, project management, and professional training. Our expertise covers digital transformation, cybersecurity, cloud, infrastructure, and more. Thanks to our global reach combined with a pragmatic and personalized approach, we effectively support professionals and companies in achieving their goals.

CSIRT Analyst - Cybersecurity

Experis SA, the IT branch of ManpowerGroup, is a leader in recruiting specialized IT profiles. We offer flexible solutions: temporary missions, permanent placements, project management, and professional training. Our expertise covers digital transformation, cybersecurity, cloud, infrastructure, and more. Thanks to our global reach combined with a pragmatic and personalized approach, we effectively support professionals and companies in achieving their goals.

We are looking for an experienced CSIRT Analyst to join a Cyber Defense team within a large international financial organization based in Geneva.
This strategic mission, with an initial duration of one year (renewable), aims to strengthen cyber incident response capabilities within a highly sensitive and regulated environment.

Your responsibilities

In this key role within the CSIRT, you will be required to:

• Ensure CSIRT operational activities: detection, qualification, investigation, and remediation of security incidents.
• Lead cyber crisis cells: activation of the emergency plan, multi-team coordination.
• Produce technical and executive reports for management.
• Conduct complex investigations and document the actions taken.
• Perform Threat Intelligence monitoring, including the analysis of attack techniques (MITRE ATT&CK).
• Participate in vulnerability management and patch management.
• Contribute to continuous improvement: CSIRT playbooks, lessons learned, best practices.
• Take part in table-top exercises and internal/external audits.
• 100% on-site position due to the sensitivity of the activities (no teleworking).

Skills sought:

Professional skills

• Proven experience in cyber incident management and incident response (CSIRT/SOC).
• Expertise in security investigation (logs, suspicious activities, attack chain).
• Knowledge of the Swiss regulatory framework (FINMA, LPD) is an asset.
• Knowledge or mastery of DLP solutions is a plus.
• Technical skills
• Mastery of SIEM / EDR / SOAR solutions.
• Very good skills in log analysis.
• Cloud knowledge (Azure, AWS, or equivalent).
• Scripting: Python, Bash, PowerShell.
• Good notions in malware analysis and forensics are an asset.
• Knowledge of pentest is an asset.
• Interpersonal skills
• Ability to coordinate technical and business teams.
• Communication ease and pedagogical skills.
• High resistance to stress and ability to make decisions in critical situations.
• Leadership in crisis cells.
• Team spirit and sense of sharing.
• Education & experience
• Master (or equivalent) in cybersecurity / computer science.
• 7+ years of experience in cyber incident response.
• Certifications appreciated: OSCP, CISSP, GCIH, GCFA, CHFI, CEH, ISO 27035, SANS FOR508-

Languages

French & English: professional level required.

Why join us?

Strategic project within a large international organization.

High-level cyber environment, exposed to complex issues.

Dynamic team, in continuous improvement, with a strong security culture.