Linux System Administrator

Together with Inuits Belgium , we're seeking a Linux System Administrator to maintain and improve our systems in a stable, collaborative environment. This role is suited for an experienced systems administrator who is comfortable working independently across a broad, modern infrastructure stack. About Inuits Belgium: Inuits is an open-source technology company that helps organizations build scalable software, cloud infrastructure, and data platforms. With a strong focus on DevOps, AI, and open collaboration, Inuits supports clients across Europe through a hands-on, community-driven approach. Responsibilities: Provision and maintain Linux servers and VMs using Foreman, libvirt, Puppet, Ansible, and Terraform/OpenTofu; Manage OS patching, upgrades, and content through Pulpcore; Maintain monitoring, metrics, and logging (Icinga, Prometheus, Grafana, OpenSearch) to ensure reliability and fast issue detection; Administer networking and security services such as HAProxy, BIND, FreeIPA, Keycloak, and Vault/OpenBao; Operate databases (MySQL, PostgreSQL, MongoDB) and web services (Apache, Nginx); Build and maintain CI/CD pipelines (Jenkins, GitLab) and automate operational tasks; Administer Kubernetes workloads, RBAC, networking, storage, and operators, including security and ISO 27001 compliance controls; Monitor and manage incoming tickets, diagnose and fix technical issues, and support developers' workflows; Participate in the on-call rotation, incident response, and root-cause analysis. Qualifications: 3-5 years of hands-on experience administering Linux (RHEL/Rocky/AlmaLinux and/or Debian/Ubuntu) in production; Strong CLI and Bash scripting skills, with solid systemd and networking fundamentals; 3+ years automating infrastructure with Puppet, plus hands-on experience with Ansible and Foreman; Experience with Terraform or OpenTofu, and libvirt/KVM for virtualization; Hands-on experience with CI/CD tools such as Jenkins or GitLab pipelines; Experience with cloud infrastructure and container orchestration using Kubernetes; Comfortable working in a security- and compliance-conscious environment (ISO 27001-oriented); Certifications such as RHCE/RHCSA, CKA/CKAD/CKS, or HashiCorp (Terraform/Vault) are a plus; Good written and spoken English for documentation and team communication. Recruitment Process: Initial interview with our recruitment team; Technical interview with the team, including a live hands-on lab exercise (30 minutes to 1.5 hours depending on experience); Final decision and offer.