Senior Cyber Security Specialist (SIEM)

Tenth Revolution Group; Madrid; Presencial; EUR 55.000 - 75.000; Jornada completa

Descripción de la vacante

A global cybersecurity firm in Madrid is seeking a Senior Cyber Security Specialist to join their team. The role involves planning and managing complex cybersecurity systems, with a focus on SIEM operations, especially with Elastic. The ideal candidate should have over 5 years of experience in cybersecurity and a degree in IT. This position offers competitive salary, relocation sponsorship, and opportunities for career growth.

Servicios

Competitive salary package

Relocation assistance

Private health insurance

30 days of vacation

Formación

• 5+ years of experience in cybersecurity systems is essential.
• Experience with Elastic is crucial for the role.
• A degree in Computer Science or IT Engineering is required.

Responsabilidades

• Plan, install, configure, and operate complex cybersecurity systems.
• Support teammates in error analysis and troubleshooting.
• Manage SIEM platforms effectively.

Conocimientos

5+ years of experience in cybersecurity systems (SIEM)

3+ years working with Elastic (SIEM/Observability/XDR)

Basic Python knowledge

Educación

Degree in Computer Science, IT Engineering, or a related technical field

Herramientas

Elastic

QRadar

Azure Sentinel

Splunk

Descripción del empleo

Overview

Are you ready to protect the future of digital infrastructure?

We’re looking for a Senior Cyber Security Specialist to join a global team building resilient and scalable cyber defense systems.

You’ll be part of an international unit focused on SIEM operations, currently migrating to Elastic as the new reference platform for security.

Key responsibilities

• Plan, install, configure, and operate complex cybersecurity systems.
• Support teammates in error analysis and troubleshooting.
• Manage SIEM platforms such as Elastic, QRadar, Azure Sentinel, and XDR.
• Maintain system lifecycle: patching, updates, and vulnerability mitigation.
• Document changes in the internal knowledge base.
• Participate in international projects, leading subprojects or workflows when needed.
• Adapt services to evolving IT landscapes and cloud readiness.
• Participate in on-call rotations (1 week every 5–7 weeks, average 1 call every 2 months).

Tech stack & must-haves

• Degree in Computer Science, IT Engineering, or a related technical field.
• 5+ years of experience in cybersecurity systems (SIEM).
• 3+ years working with Elastic (SIEM/Observability/XDR).
• Experience with QRadar, Azure Sentinel, or Splunk.
• Basic Python knowledge.

Nice to have

• Experience in Data Center environments.
• Familiarity with OTRS and StackStorm.
• Project management and stakeholder coordination skills.

What we offer

• Sponsorship to work in Spain and relocation to Madrid.
• Competitive salary package (base + bonus).
• Career growth and training opportunities.
• Social benefits: private health insurance, meal vouchers, and more.
• 30 days of vacation.
• MacBook as your work device.
• International project with long-term vision.
• Ready to be part of a team that values innovation, resilience, and global collaboration? Apply now!