GNSS Cybersecurity Operations Engineer

ESYEN; Comunidad de Madrid; Híbrido; EUR 28.000 - 52.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Health coverage via National COLA

Training and career development

Flexible working hours

Relocation support, where applicable

Descripción de la vacante

ESYEN is seeking Junior and Senior Cyber Security professionals to join the cybersecurity team for the E-GNSS Transversal infrastructure, contributing to monitoring, incident response, vulnerability management and hardening within a critical Ground Segment environment. The role involves on-site work in Torrejón with some partial remote work possible.

You will collaborate with international teams to maintain security posture, manage access, keys, and certificates, and support compliance, audits

Formación

• Degree or Master in Cybersecurity, CS, Engineering or related STEM field or equivalent cybersecurity certifications.
• Experience in Cybersecurity, IT Security, Security Operations or System Administration.
• Senior profile: solid cybersecurity experience; Junior profile considered with limited background.
• Knowledge of security monitoring technologies including Firewalls, IDS/IPS and SIEM platforms.
• Experience in incident investigation and response, vulnerability assessment and remediation.
• Experience with user access management and cryptographic keys/digital certificates.

Responsabilidades

• Monitor and analyse security events, logs and alerts from Firewalls, IDS/IPS and SIEM platforms.
• Investigate security incidents, support incident response and remediation.
• Perform vulnerability assessments and support patching activities.
• Manage user access, permissions, and token management with least privilege.
• Manage security keys and digital certificates; credential renewal and revocation.
• Support administration of security devices including HSMs, data diodes and gateways.
• Apply secure configurations and hardening procedures to hardware and software.
• Manage patches, antivirus and other security tools to stay operational.
• Monitor threats and contribute to threat intelligence activities.
• Support audits, cybersecurity controls, and compliance checks with evidence.
• Contribute to cybersecurity documentation, reports and KPIs.

Conocimientos

English fluency

Communication skills

Analytical skills

Team collaboration

Educación

Degree/Master's in Cybersecurity / CS / Engineering or related STEM

Cybersecurity certifications (GSEC, GIAC, CISSP, CCSP)

Herramientas

Firewalls

IDS/IPS

SIEM platforms

Descripción del empleo

ESYEN is seeking Junior and Senior Cyber Security professionals to join the cybersecurity team for the E-GNSS Transversal infrastructure, contributing to monitoring, incident response, vulnerability management and hardening within a critical Ground Segment environment. The role involves on-site work in Torrejón with some partial remote work possible.

You will collaborate with international teams to maintain security posture, manage access, keys, and certificates, and support compliance, audits