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Senior Security Engineer (Cyber Defense)

Athens, Attica, Greece💼 Full-time🗓 2026-09-23 → 2026-09-25

Core

Design, implement, and improve security controls and technologies across cloud and on-premises environments while leading incident response and security monitoring.

Role type

Senior Security Engineer (Cyber Defense)

Builds

Security tooling configurations, SIEM detection use cases, correlation rules, alerting dashboards, and incident response playbooks.

Domain

Cybersecurity, Cloud Security, Incident Response

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Security architecture, Zero Trust principles, Cloud security (AWS/Azure/GCP), Security tool administration (SIEM, EDR, WAF, DAST/SAST, Vulnerability Management), Incident management, Root cause analysis, Digital forensics, Penetration testing methodologies, MITRE ATT&CK, SOAR, Threat intelligence, GRC frameworks (GLI-33, WLA, ISO 27001, SOC 2)

Preferred skills

None stated

Technologies

SIEM, EDR, WAF, DAST, SAST, Vulnerability Management platforms, AWS, Azure, GCP, SOAR

Responsibilities

Administer and harden security tooling; Monitor, investigate, and lead response to security incidents; Build and maintain SIEM detection use cases and alerting dashboards; Coordinate vulnerability assessments and penetration testing; Support GRC and audit readiness; Maintain Incident Response playbooks and runbooks.

Seniority

Senior, hands-on IC

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