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Cybersecurity Engineer

Koropi, Attica, Greece💼 Full-time🗓 2026-09-17 → 2026-09-25

Core

Hands-on cybersecurity engineer supporting enterprise security operations, infrastructure hardening, and GRC compliance for a defense technology company.

Role type

Mid-level IC cybersecurity engineer (infrastructure & GRC)

Builds

Secure Windows/Linux environments, identity systems, network defenses, and resilient infrastructure for defense R&D programs

Domain

Defense technology, IT infrastructure, cybersecurity operations

Deliverable

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

Required skills

Windows Server administration, Linux system administration, Active Directory, Entra ID, Identity & Access Management, Endpoint security, EDR, system hardening, Network security, firewalls, VPNs, DNS, network segmentation, Vulnerability management, Patch management, Microsoft 365 security, Backup and recovery, PowerShell, Bash, Python, Virtualization, Security incident investigation

Preferred skills

Linux deep knowledge, Internal Auditor certification, K8s, ISO/IEC 27001/27002

Technologies

Windows Server, Linux, Active Directory, Entra ID, EDR, Microsoft 365, SIEM, ESXi, Proxmox, PowerShell, Bash, Python

Responsibilities

Administer Windows/Linux servers and virtualization environments; Manage identity and access controls via AD/Entra ID; Implement endpoint security and system hardening; Configure and monitor network security devices; Perform vulnerability scanning and patch management; Execute security incident investigation and remediation; Support GRC compliance and audit preparation

Seniority

Mid-level, hands-on IC

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