Cybersecurity Analyst

hace 1 semana

Barcelona, España Devoteam Spain A tiempo completo

Job DescriptionBuscamos un Analista de Seguridad de Nivel 2 (L2) para nuestro Centro de Operaciones de Seguridad (SOC), con sólida experiencia en soluciones SIEM/SOAR, especialmente en Google SecOps, CrowdStrike NG-SIEM y ecosistemas Microsoft/AWS/GCP. RESPONSABILIDADES PRINCIPALES Detección y Respuesta: Analizar e investigar alertas de seguridad de complejidad media-alta, con el objetivo de resolver el 80% sin necesidad de escalar al Nivel 3 (L3). Realizar análisis de causa raíz en incidentes complejos, documentando hallazgos y recomendaciones. Coordinar respuestas a incidentes que involucren múltiples sistemas y plataformas en la nube. Ingeniería de Detección: Diseñar, implementar y optimizar casos de uso de detección basados en el marco MITRE ATT&CK . Ajustar reglas de correlación en el SIEM y políticas de detección en EDR/XDR para reducir falsos positivos. Validar y probar nuevas detecciones antes de su implementación en producción. Plataformas y Herramientas: Operar y gestionar Google Chronicle SecOps, CrowdStrike Falcon Next-Gen SIEM y PaloAlto XSIAM como plataformas principales. Gestionar detecciones en Microsoft 365 Defender, Azure Sentinel y AWS Security Hub. Utilizar PaloAlto Cortex XSIAM para el análisis e investigación de amenazas. Mejora Continua: Desarrollar scripts de automatización (Python/PowerShell) para tareas repetitivas y enriquecimiento de alertas. Mentorizar y proporcionar soporte técnico a los analistas L1. Contribuir a la documentación técnica, playbooks y procedimientos operativos. Participar en ejercicios proactivos de búsqueda de amenazas (threat hunting ). REQUISITOS TÉCNICOS Esenciales: Inglés fluido (nivel C1/C2) : comunicación tanto escrita como verbal. 2-4 años de experiencia en operaciones de SOC, con al menos 1 año en un rol L2. Experiencia práctica con al menos dos de estas plataformas SIEM/SOAR: Google Chronicle SecOps, Palo Alto XSIAM, CrowdStrike Falcon Next-Gen SIEM o Microsoft Sentinel. Experiencia demostrable con soluciones EDR/XDR (CrowdStrike Falcon, Microsoft Defender for Endpoint, SentinelOne, Cortex XDR o Sophos). Dominio de lenguajes de consulta: KQL (Kusto), SPL (Splunk) o SQL . Sólidos conocimientos de redes y protocolos: TCP/IP, DNS, HTTP/S, análisis de tráfico de red. Experiencia en entornos Microsoft 365 (Exchange Online, Azure AD, Defender). CONDICIONES LABORALES Tipo de contrato: Indefinido, a jornada completa. Modelo de trabajo: Híbrido (Barcelona). Guardias: Rotaciones de disponibilidad (on-call ) QualificationsCertificaciones (Opcionales pero valoradas): Certificaciones específicas de plataforma: SC-200, CrowdStrike Certified Falcon Administrator o Google Chronicle Security Operations. GIAC: GCIA, GCIH o GCFA. CompTIA Security+ o CySA+. Certified SOC Analyst (CSA) de EC-Council. Additional InformationEnglish: C1-C2

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