Security Analyst I - 24/7 MDR SOC

Kudelski Security; Valencia; Presencial; EUR 28.000 - 42.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Shift compensation

Meal allowance

Life insurance

Health insurance

Pension plan

Flexible compensation

Descripción de la vacante

Kudelski Security in Madrid seeks a Security Analyst Level 1 to join our 24/7 MDR team within the Cyber Fusion Center. You will monitor, triage, and validate alerts from SIEM, EDR/XDR, and network devices, escalate confirmed threats, and maintain high quality documentation.

You will work a rotating shift, collaborate with a team of 15-20 L1 Analysts, follow SOPs and playbooks, and use AI-assisted workflows to improve investigations while protecting customer data.

Formación

• 1+ year of experience in cybersecurity, IT operations, or a related field (internships, labs, or SOC trainings).
• Initial to intermediate exposure to SIEM and/or EDR/XDR platforms for log analysis and detection.
• Understanding of TCP/IP, security architecture, adversary TTPs, common web attacks, and the MITRE ATT&CK framework.
• Familiarity with incident response methodologies (NIST/SANS) and fundamentals in networking and operating systems (Windows/Linux).
• Understanding of appropriate AI usage in security contexts.
• Nice to have: CompTIA Security+, CySA+, CEH, or BTL1 (or actively pursuing).

Responsabilidades

• Monitor and triage security alerts 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 documentation.
• Respond to alerts and tickets within defined SLAs and document all investigation steps.
• 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 interactions professionally and routing requests to the appropriate teams.

Conocimientos

Cybersecurity

Log analysis

Incident response

Communication

Bilingual EN/ES

Herramientas

SIEM

EDR/XDR

Descripción del empleo

Kudelski Security in Madrid seeks a Security Analyst Level 1 to join our 24/7 MDR team within the Cyber Fusion Center. You will monitor, triage, and validate alerts from SIEM, EDR/XDR, and network devices, escalate confirmed threats, and maintain high quality documentation.

You will work a rotating shift, collaborate with a team of 15-20 L1 Analysts, follow SOPs and playbooks, and use AI-assisted workflows to improve investigations while protecting customer data.