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Nederlands
$
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Linux Security Engineer , Hardening, Docker, Proxmox
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Infrastructure & Security Engineer
Freelancer.com • ZZP
Feb 2026 - Present • 8 mos
Design, deploy and secure Linux infrastructure on Hetzner and Proxmox. Build reproducible environments with Packer, Terraform and Ansible, including a full multi-host Active Directory environment provisioned end to end. Perform external attack-surface reviews and hardening: exposure enumeration, SSH and firewall lockdown, service isolation, audit logging. Identified and remediated an unauthenticated internet-facing API endpoint exposed by default configuration. Build custom MCP servers connecting AI assistants to internal tooling with scoped permissions.