Your Mission

As a Security Analyst Level 1, you are the first line of defense within our 24x7 Managed Detection & Response (MDR) operations, part of the Cyber Fusion Center (CFC) / SOC. Your mission is to monitor, triage, and validate security alerts, ensuring timely escalation of confirmed threats while maintaining high operational quality across a multi-client SOC environment.

You will operate within clearly defined procedures, using modern security tooling and AI-assisted workflows to improve investigation efficiency, documentation quality, and learning velocity—while adhering strictly to escalation paths, data-handling rules, and security policies. You are based in Madrid, Spain, working a 24/7 shift rotation (morning, evening, night, and weekends) in a permanent, full-time role, reporting to the SOC Manager within a team of 15-20 L1 Analysts.

Your responsibilities will be:

General responsibilities
Monitor and triage security alerts generated by SIEM, EDR/XDR, firewalls, ICS/OT,



and other security technologies to determine if further investigation or customer action is warranted.
Perform first-level incident analysis, validation, and classification following SOPs and playbooks.
Escalate confirmed, suspicious, or complex incidents to Tier 2 with clear, structured, and complete documentation (what happened, evidence, scope, actions taken, recommended next steps).
Respond to alerts and tickets within defined SLAs and document all investigation steps accurately in the ticketing system.
Adhere to internal policies, procedures, and security best practices to protect customer and company data.
Participate in shift handovers, ensuring continuity of investigations and clear ownership of next actions.
Contribute to customer satisfaction by handling customer interactions professionally, communicating critical findings, providing accurate information, and ensuring requests are routed to the appropriate teams for timely resolution and support.
Maintain strong operational

📌 Security Analyst Tier 1 (España)
🏢 Kudelski Security
📍 España