Experteer Overview
As a Security Analyst Level 1 in Kudelski Security’s 24x7 MDR operations, you monitor, triage, and validate alerts to enable timely escalation of threats. You work within a structured SOC, applying SOPs and AI-assisted workflows to improve investigation quality and learning velocity. You collaborate across a multi-client environment, maintaining documentation discipline and escalation accuracy. This role offers hands-on experience in a general MDR operation with room for growth and certification opportunities.

Compensaciones / Beneficios
• Monitor and triage alerts from SIEM, EDR/XDR, firewalls, ICS/OT, and related technologies to decide on further action
• Perform first-level incident analysis, validation, and classification per SOPs and playbooks
• Escalate confirmed or complex incidents to Tier 2 with clear documentation
• Respond to alerts within SLAs and document all investigation steps in the ticketing system
• Adhere to internal policies and security best practices to protect data
• Participate in shift handovers ensuring investigation continuity and clear ownership




• Maintain customer satisfaction through professional communication and proper routing of requests
• Maintain accurate priority, categorization, and documentation standards

Responsabilidades
• More than 1 year of experience in cybersecurity, IT operations, or related field
• Initial to intermediate exposure to SIEM and/or EDR/XDR platforms
• Understanding of TCP/IP, security architecture, adversary TTPs, MITRE ATTu0026CK
• Familiarity with incident response methodologies (NIST/SANS) and fundamentals of networking/OS
• Understanding of appropriate AI usage in security contexts
• Basic knowledge of OT concepts
• Strong written and verbal communication in English and Spanish
• Nice to have: CompTIA Security+, CySA+, CEH, or BTL1
• Willingness to work in a 24/7 shift-based operation

Requisitos principales
• shift compensation/paid overtime
• meal allowance
• life insurance
• health insurance
• pension plan
• flexible compensation options

📌 Security Analyst - Tier 1. (Madrid)
🏢 Nagra Kudelski Group
📍 Madrid