Job Summary: Coordinate a team responsible for the administration, configuration, and management of SIEM monitoring systems and the exploitation of collected data. Key Highlights: 1. Leadership in SIEM systems management and data exploitation 2. Continuous training and technology certifications 3. Dynamic and multidisciplinary teamwork **What is Telefónica Tech?** Telefónica Tech is the leading digital transformation company within the Telefónica Group. We offer a comprehensive portfolio of integrated technological services and solutions in Cybersecurity, Cloud, IoT, Big Data, Artificial Intelligence, and Blockchain, supporting our clients throughout their digital transformation journey. We are a group of over 6,200 bold professionals working daily from various locations worldwide to achieve excellence through leadership rooted in transparency and teamwork. If you identify with our core values, we look forward to meeting you! www.telefonicatech.com **What do we do in the team?** Within Telefónica Cybersecurity & Cloud Tech’s **SIEM TO unit**, we handle the administration, configuration, and management of all project monitoring systems, as well as everything related to the exploitation of collected data. **What will your day-to-day be like?** Your mission will be to coordinate a team to ensure all tasks are completed on time and to the required standard. Your day-to-day responsibilities will include: * Supervision of tasks across various SIEM technologies, such as Google SecOps * Administration, configuration, management, updates, and new integrations—including various log ingestion methods * Review and planning of use cases in SecOps (Chronicle, Yara-L, BigQuery) * Basic networking and Linux knowledge to resolve ingestion incidents * Support to the orchestration team for alert notifications via XSOAR * Consistent and proactive communication with the client **And for this, we believe it would be ideal if you had…** **Experience** * +3 years in Cybersecurity * SIEM knowledge * Knowledge of Linux and Windows systems * Programming skills; Python preferred * Jira knowledge **Education** Required: * Certifications in SIEM technologies * University degree Desirable: * Master’s degree in Cybersecurity **Technical Knowledge** * General Cybersecurity knowledge * SIEM functionality * Source integration * Health maintenance of Google SecOps * Audit response capability * MITRE Framework **The skills that would best fit the team and project for this role are:** Leadership, strong task organization, teamwork **LANGUAGES** * Required: English * Desirable: Spanish **What do we offer?** * Work-life balance measures and flexible hours * Continuous training and certifications * Hybrid remote work model * Attractive social benefits package * Excellent, dynamic, and multidisciplinary work environment * Volunteering programs **#WeAreDiverse #WePromoteEquality** We firmly believe diverse and inclusive teams are more innovative, transformative, and deliver better results. Therefore, we promote and guarantee inclusion for all individuals, regardless of gender, age, sexual orientation or identity, culture, disability, or any other condition. We want to meet you!