Experteer Overview In this senior, IC role, you own critical parts of FYUL’s security engineering platform, focusing on detection, cloud and endpoint protection, DLP, and security automation.

You’ll operate within a mature security program that emphasizes hands-on engineering and measurable outcomes.

You will design and tune detections, harden AWS/Kubernetes and endpoints, and drive incident response and remediation.

The role offers ownership, deep technical growth, and opportunities to shape a high-scale security stack with AI-enabled tooling.

Compensaciones / Incentivos• Design, implement, and tune detections across security telemetry and custom ML models• Triage alerts, investigate incidents, and drive incident response and post-incident improvements• Harden and monitor AWS and Kubernetes environments, collaborate with engineering as enablement• Own health and hardening of macOS/Windows/Linux endpoint agents• Operate and extend DLP coverage across removable media, email, and SaaS channels• Automate recurring operations and detection-to-response workflows, including AI agents• Identify, assess,



and drive remediation for infrastructure vulnerabilities via scanning and targeted testing

Responsabilidades• 5+ years in security engineering or Sec

Ops with hands-on detections/incidents in production• Experience with modern SIEM platforms and custom ML-based detection• Deep mastery of Linux, macOS, Windows; hands-on hunting/hardening• Strong networking expertise (TCP/IP, routing, VPNs, firewalls, packet analysis)• Cloud security experience in AWS and Kubernetes production workloads• Hands-on LLM experience in tooling, agents, or pipelines• Practical offensive security credential (OSCP, OSEP, or similar)• Automation track record with scripts/pipelines/AI-assisted workflows• Self-directed, ownership-focused work style with strong English communications• Hands-on security hacking credential preferred over knowledge-based certifications

Requisitos principales• Remote work options• Private health insurance• Flexible working hours• Extra paid days off for well-being• Birthday/celebration day off• Learning opportunities and mentorship

📌 Senior Cybersecurity Engineer (Infrastructure) (Barcelona)
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