Experteer Overview

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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 / Beneficios
• 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 SecOps 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, xghoner 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 Engli

📌 Senior Cybersecurity Engineer (Barcelona)
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