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
You will operate within clearly defined procedures, using modern security tooling and
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.
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.
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.
Threat monitoring & incident handling
Validate alert fidelity by reviewing available telemetry, context, and enrichment to separate false positives from true security events.
Perform initial scoping (impacted host/user, time window, key indicators, related alerts) using approved tools and data sources.
Support ongoing investigations by providing timely updates and evidence to senior analysts.
Willing to work in a 24/7 shift-based operation.
More than 1 year of experience in cybersecurity, IT operations, or a related field (internships, labs, or SOC trainings), typically analyzing logs and host data to identify suspicious/abnormal activity.
Initial to intermediate exposure

📌 Security Analyst (España)
🏢 Kudelski Security
📍 España