Job Summary: We are seeking a professional to administer EDR platforms, investigate alerts, analyze security incidents, and generate service improvements, contributing to the protection of customer environments. Key Responsibilities: 1. EDR platform administration and monitoring. 2. Security alert investigation and incident analysis. 3. Service improvement generation and operational definition. **What is Telefónica Tech?** Telefónica Tech is the leading digital transformation company within the Telefónica Group. We offer an extensive portfolio of integrated technology services and solutions in Cybersecurity, Cloud, IoT, Big Data, Artificial Intelligence, and Blockchain, supporting our customers throughout their digital transformation journey. We are a team of over 6,200 courageous professionals working daily from various locations worldwide to achieve excellence through leadership grounded 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 the **EDR** unit of Telefónica Cybersecurity & Cloud Tech, we focus on the administration and monitoring of events generated by EDR platforms. The department continuously enhances detection and mitigation capabilities across customer environments. **What will your day-to-day look like?** Your mission will be to manage the EDR platform and address threats arising within it. Your day-to-day responsibilities: * EDR administration * Alert investigation * Report generation and client presentation * Security incident analysis * Service improvement generation * Definition of N1-level operations **And for this role, we believe it would be ideal if you had…** **Experience** * 3 years of experience administering EDR environments * Large-scale platform deployments * EDR platform administration (Cortex XDR, CrowdStrike, Cybomic or ATP) * Security incident management * Alert analysis **Education** Required: * Advanced vocational training in computer systems Desirable: * University degree / Bachelor’s degree / Engineering / Technical Engineering in Computer Science \ Telecommunications or related fields. * Security certifications (OSCP, CEH or related) * EDR technology certifications (CCFA, CCFR, CCFH or related) **Technical Knowledge** * Familiarity with EDR platforms (Cortex XDR, CrowdStrike, Cybomic or ATP). * Ability to administer, support, and deploy. * Incident management knowledge * Cybersecurity knowledge **The skills that would best fit this team and project are:** * Passionate about security and technology. * Committed to consistently delivering excellence, growing, and assuming new responsibilities. * Capable of learning and evolving in a dynamic environment. * Excellent oral and written communication skills. * Able to work in an environment demanding high attention to detail and confidentiality. * Proactive, self-motivated, capable of working independently and collaboratively within a challenging team environment. * Able to work autonomously as well as coordinate with colleagues from the same or other departments, engaging effectively in teamwork. * Strong internal customer focus and results orientation. **Languages** * Required: Advanced English **What do we offer?** * Work-life balance measures and flexible working hours. * Continuous training and certification opportunities. * Hybrid remote work model. * Attractive social benefits package. * Excellent, dynamic, and multidisciplinary working 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!