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 is a hybrid position, requiring you to work one day per week from our office in Kraków. 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.