IT Infrastructure Engineer - Linux & Virtualization Security

CDH Professionals; Rotterdam, Den Haag; On-site; EUR 65,000 - 90,000; Full time

Job summary

CDH Professionals in the Netherlands is seeking an IT Infrastructure Engineer to design, implement, and maintain secure, reliable infrastructure across Linux, virtualization, and networking. You will work in a complex environment supporting mission-critical systems and services.

The role emphasizes hardening, patch management, and secure remote access, with collaboration across architects, vendors, and operations teams.

Qualifications

• Minimum of 5 years' experience as an IT Infrastructure Engineer, Systems Engineer, Linux Engineer, Windows Server Engineer, or a similar role.
• Strong expertise in Linux administration, particularly RHEL and Ubuntu.
• Extensive experience with virtualization technologies such as VMware, Hyper‑V, and OpenShift.
• Knowledge of Windows Server administration is considered an advantage.
• Solid understanding of Identity and Access Management (IAM), FreeIPA, Group Policy, permissions management, or similar technologies.

Responsibilities

• Design, implement, and optimize secure IT infrastructure solutions.
• Build, configure, integrate, and validate server environments.
• Configure and maintain secure remote access solutions, including jump servers, stepping stones, and bastion hosts.
• Manage, patch, and harden Linux (RHEL/Ubuntu) and Windows Server environments.
• Administer and optimize virtualization platforms such as VMware, Hyper‑V, and OpenShift.
• Support the integration of DNS, NTP, authentication, AAA, logging, and monitoring services.
• Provide technical support for critical infrastructure and management systems.
• Perform configuration, security, failover, and continuity testing.
• Troubleshoot infrastructure, server, network, and integration‑related issues.
• Collaborate with architects, vendors, and technical specialists to deliver robust end‑to‑end solutions.
• Contribute to solution designs with a focus on operational excellence, maintainability, and security.
• Create and maintain technical documentation, configuration standards, and test reports.
• Support the handover of systems and knowledge to operational and support teams

Skills

Linux administration

Virtualization

Networking

IAM

Security by design

Troubleshooting

Communication

Tools

VMware

Hyper‑V

OpenShift

Windows Server

FreeIPA

DNS/NTP

Job description

CDH Professionals in the Netherlands is seeking an IT Infrastructure Engineer to design, implement, and maintain secure, reliable infrastructure across Linux, virtualization, and networking. You will work in a complex environment supporting mission-critical systems and services.

The role emphasizes hardening, patch management, and secure remote access, with collaboration across architects, vendors, and operations teams.