Virtual Infrastructure Engineer (VMware ESXi, vSAN, RHEL) for NATO with security clearance

WLG; Henegouwen; On-site; EUR 60,000 - 82,000; Full time

Job summary

WLG in Mons, Belgium, is seeking a senior infrastructure technician to run, improve and secure an IaaS platform across on‑premises and cloud. The role focuses on Linux, OS administration, automation and security.

You will keep services running, patch and harden systems, manage Red Hat Satellite, Ansible and Bash scripts, and maintain accurate documentation. The position offers hands‑on opportunity to shape a critical platform and advance automation.

Qualifications

• Hands-on Linux and Windows administration with security focus.
• Experience with RHEL/Oracle Linux and patch management.
• Automation via Ansible and Bash scripting; documentation skills.

Responsibilities

• Keep IaaS services running on‑premises and in cloud.
• Provision, administer and troubleshoot Linux estates.
• Build automation and infrastructure as code with Ansible and Bash.
• Run OS upgrades and patching; enforce security controls.
• Tune load balancers and maintain CMDB/diagrams.
• Author procedures, reports and briefings; participate in on‑call.

Skills

Linux system administration

Windows administration

Documentation and communication

Education

Higher vocational training

Secondary qualification with 6 years experience

Tools

RHEL

Oracle Linux

Red Hat Satellite

Ansible

Bash

Public/Private Cloud IaaS

Job description

The platform everyone else runs on. Keep it fast, patched and boringly reliable.

A multinational defence organisation in Mons runs Infrastructure as a Service across on-premises, private and public cloud. It is looking for a senior technician to run, improve and secure that platform, with a strong Linux focus.

What You Would Be Doing

• Keeping IaaS services running smoothly on-premises and in private and public cloud
• Provisioning, administering and troubleshooting RHEL and Oracle Linux 8 to 10 estates
• Building automation and infrastructure as code with Ansible Automation Platform and Bash
• Running OS upgrades and patching through Red Hat Satellite, and enforcing security controls
• Tuning load balancers, following change management and keeping the CMDB and diagrams current
• Writing procedures, reports and briefings, and joining maintenance windows and on-call when needed

What you would bring

• Higher vocational training with 4 years of relevant experience, or 6 years with a secondary qualification
• VMware ESXi, blade and rack servers and hyperconverged infrastructure (vSAN)
• Strong Linux and Windows administration, including Active Directory, hardening and patching
• Red Hat Satellite, Ansible and Bash, plus Linux security: firewalls and mandatory access controls
• Hands‑on public and private cloud (IaaS, PaaS, SaaS) and enterprise load balancing
• Clear documentation and communication; virtualisation, Linux or cloud certifications are a plus

Why this one is worth a look

Ownership of a platform that matters, with plenty of room for good automation.