Senior Security Analyst – Cloud & Incident Response

About the role

Vestiaire Collective is seeking a Senior Security Analyst to join its Security team. The role focuses on protecting user data, company assets and ensuring regulatory compliance across a global fashion marketplace. Reporting to the Head of Security, you will work closely with engineers, legal, finance and IT teams.

Key responsibilities

• Monitor and investigate security alerts using Datadog SIEM, SentinelOne EDR and Cloudflare, tuning detections to reduce noise.
• Review and remediate cloud security findings from Upwind CSPM across AWS and GCP environments.
• Own the vulnerability management lifecycle: consolidate findings from penetration tests, application security reviews and bug bounty submissions, prioritize them and drive remediation with engineering teams.
• Tri‑age bug bounty reports, reproduce issues, assess severity and coordinate fixes.
• Support incident response from initial detection through containment and closure, providing evidence and metrics for auditors and regulators.

Required profile

• Several years of experience in security operations, cloud security or incident response.
• Strong analytical mindset with the ability to investigate alerts and drive remediation.
• Excellent communication skills to collaborate with cross‑functional teams and present findings to leadership.

Required skills

• Datadog (SIEM)
• SentinelOne (EDR)
• Upwind (CSPM)
• Cloudflare (WAF, Cloudflare One)
• Grafana / Prometheus
• AWS and GCP cloud platforms
• Vulnerability management and remediation
• Penetration testing and bug bounty processes
• Incident response and investigation