Cybersecurity Analyst

hace 2 semanas


Barcelona, España Devoteam Spain A tiempo completo

Job Description Buscamos 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 ). Qualifications Certificaciones (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 Information English : C1-C2 #J-18808-Ljbffr



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