EDR Administration and Monitoring Expert (CrowdStrike)

Hybrid in Spain·Added today

Telefónica

222 open roles

What they offer

  • Hybrid

    Office and home days — the ad has the split.

What they ask for

  • Have the right to work in Spain

    No sponsorship mentioned, and this kind of work is rarely sponsored in Spain.

  • Be near Spain for hybrid days

    No relocation package mentioned.

  • Have 3+ years of experience

    Mid-level role.

You'll most likely need Spanish to apply.This job was automatically translated to English,.

The role

What you'll do

Your mission will be to manage the Crowdstrike NG-SIEM platform as well as the threats generated within it.

Your day-to-day:

  • Administration and management of the CrowdStrike NG-SIEM platform.
  • Continuous monitoring and investigation of security alerts.
  • Analysis and correlation of events for threat detection.
  • Preparation of technical reports, metrics, and presentations for clients.
  • Analysis, classification, and response to security incidents.
  • Optimization of correlation rules and detection use cases.
  • Integration and validation of new log and telemetry sources.
  • Implementation of continuous improvements in the service and detection capabilities.
  • Definition, documentation, and transfer of operating procedures for N1 teams.
  • Collaboration with Threat Intelligence and incident response teams to improve security posture.

AND FOR THIS, WE BELIEVE IT WOULD BE IDEAL IF YOU HAD...

Requirements

What we're looking for

  • 3 years in analysis and administration of security environments (EDR - SIEM)
  • Administration and management of the CrowdStrike NG-SIEM platform.
  • Mass deployment and integration of sensors, connectors, and data sources.
  • Administration and optimization of the CrowdStrike Falcon EDR/XDR platform.
  • Continuous monitoring and analysis of security alerts.
  • Investigation, contextualization, and validation of threats through Threat Intelligence.
  • Management, analysis, and response to security incidents.
  • Correlation of events and creation of detection use cases.
  • Knowledge and analysis of network communications and protocols for incident investigation.
  • Automation of monitoring, response, and remediation processes.
  • Preparation of technical and executive reports for clients.
  • Implementation of continuous improvements in detection and response capabilities.

Required:

  • Knowledge of SIEM platforms.
  • Knowledge of event correlation.
  • Knowledge in the creation of use cases for security events.
  • Capacity for administration, support, and deployment.
  • Knowledge in incident management
  • Knowledge of cybersecurity.

Nice to have

To perform this role, the skills that would fit well with the team and the project are:

  • Passionate about security and technology.
  • Willingness to always do your best, grow, and take on new responsibilities.
  • Ability to learn and grow in an evolving environment.
  • Excellent oral and written communication skills.
  • Ability to work in an environment that requires a high level of detail and confidentiality.
  • Proactive, self-motivated with the ability to work independently and as a member of a team in a challenging environment.
  • Able to work both autonomously and collaboratively with colleagues in the same area or others, carrying out teamwork.
  • Strong focus toward the internal client and results orientation.

Education & certifications

  • Higher vocational training in computer systems

Desirable:

  • University Degree / Licentiate / Engineering / Computer Science Technical Engineering / Telecommunications or similar.
  • Security certifications (OSCP, CEH or related)
  • Certifications in SIEM technologies (Splunk, NG-SIEM Crowdstrike)

Languages

  • Required: Intermediate English

Pay & benefits

What you'll get

• Work-life balance measures and flexible working hours.
• Ongoing training and certifications.
• Hybrid remote work model.
• Attractive social benefits package.
• Excellent dynamic and multidisciplinary work environment.
• Volunteering programs.

#WeAreDiverse #WePromoteEquality

We are convinced that diverse and inclusive teams are more innovative, transformative, and achieve better results.
That is why we promote and guarantee the inclusion of all people regardless of gender, age, sexual orientation and identity, culture, disability, or any other condition.

We want to meet you! 😊

About Telefónica

Telefónica is one of the world's largest telecommunications companies, providing fixed and mobile connectivity, digital services, and technology solutions to consumers and businesses across Europe and Latin America. With over 100,000 employees and a strong presence in Spain, the UK, Germany, and Brazil, the company operates through brands such as Movistar, O2, and Vivo, and has expanded into areas like cybersecurity, cloud, IoT, and AI through its innovation units.

In Spain, Telefónica is headquartered in Madrid and is a major employer of tech talent, with a strong focus on cybersecurity, data, and AI. The company actively hires international professionals, offering roles in English and fostering a diverse, innovative culture. Its Spanish operations are central to its global strategy, making it a relevant option for internationals seeking to work in a large, established tech and telecom player in Spain.

Industry
Telecom
Founded
1924
Employees
100,000+
Headquarters
Madrid, Spain
In Spain
Madrid, Barcelona

Good to know if you are moving

  • Telefónica's Spanish offices are largely based in Madrid and Barcelona, with a significant tech hub in the Distrito Telefónica complex in Madrid.
  • The company frequently hires international tech talent and many roles are offered in English, making it accessible for non-Spanish speakers.
  • Telefónica has a strong commitment to innovation, with dedicated units like gAIt and Wayra focusing on AI and startups.
  • The company offers a comprehensive relocation package and support for international hires, including visa assistance.
  • With a global presence and a large Spanish operation, Telefónica provides opportunities for internal mobility across countries and roles.

In their own words

About the company & team

Telefónica Tech is the leading digital transformation company of the Telefónica Group. We offer a wide range of integrated technological services and solutions in Cybersecurity, Cloud, IoT, Big Data, Artificial Intelligence, and Blockchain, with which we support our clients in their digital transformation.

We are a group of over 6,200 brave people who work every day from different points around the world to achieve excellence, through leadership based on transparency and team spirit. If you identify with our pillars, we can't wait to meet you!

www.telefonicatech.com

In Telefónica Tech's Detection and Response unit, we work on the administration and monitoring of NG-SIEM platform events. The department operates in constant improvement of detection and mitigation capabilities for client environments.

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