Infrastructure Engineer
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Freelance Contract Dates: 29 November 2026 – 30 December 2026 (Intially 222 hours)
Security Clearance: NATO Top Secret required
We are seeking a Virtual Infrastructure Engineer to support and maintain secure, enterprise-level IT infrastructure within a NATO environment. The successful candidate will have strong experience in Linux administration, VMware virtualisation, automation, and infrastructure operations, ensuring the availability, security, and performance of critical IT services.
Key Responsibilities
- Manage and maintain virtual infrastructure, including VMware ESXi, vSAN, physical servers, and enterprise storage.
- Administer Linux systems, particularly RHEL and Oracle Linux 8–10, alongside Windows Server and Active Directory.
- Develop automation solutions using Ansible and Bash, and manage Linux systems through Red Hat Satellite.
- Perform OS upgrades, patch management, system hardening, and security compliance activities.
- Troubleshoot complex infrastructure, operating system, storage, and performance issues.
- Support cloud infrastructure, load balancing, and high-availability services.
- Maintain technical documentation, infrastructure diagrams, and CMDB records.
- Follow change management procedures and contribute to SOPs and operational documentation.
- Collaborate with technical teams and service managers to support projects and service delivery.
- Participate in scheduled maintenance, on-call support, and shift work when required.
Essential Skills and Experience
- Relevant vocational education with at least four years of related experience, or secondary education with at least six years of related experience.
- Strong Linux administration and VMware virtualisation experience.
- Practical knowledge of RHEL, Oracle Linux, Ansible, Bash, and Red Hat Satellite.
- Experience in patch management, security hardening, troubleshooting, and enterprise infrastructure support.
- Knowledge of Windows Server, storage, and cloud technologies.
- Strong communication, documentation, and problem-solving skills.
- VMware, Linux, cloud, or automation certifications and previous experience in a NATO or secure enterprise environment are desirable.
This is a full-time, on-site position in Mons, Belgium. Candidates must be available for out-of-hours maintenance, on-call support, shift work during exercises or incidents, and occasional travel to other designated locations.
Applicants based in the UK who hold valid UK Security Check (SC) or Developed Vetting (DV) clearance are encouraged to apply. Existing UK clearance may provide the basis for obtaining the required NATO Security Clearance.
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