Linux System Administrator

Inuits; Kraków; On-site; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Hybrid work model

Job summary

Inuits is seeking a Linux System Administrator to maintain and improve our stable, collaborative infrastructure in Kraków. This hybrid role requires one day per week onsite and offers the opportunity to work across a modern stack including Linux, virtualization, containers, CI/CD, and cloud tools.

You'll own provisioning, patching, monitoring, and automation tasks while collaborating with DevOps teams to ensure security, reliability, and compliance with ISO 27001 standards.

Qualifications

• 3-5 years hands-on Linux administration in prod (RHEL/Rocky/AlmaLinux or Debian/Ubuntu).
• Strong CLI and Bash scripting with solid systemd and networking fundamentals.
• 3+ years automating infrastructure with Puppet; hands-on with Ansible and Foreman.
• Experience with Terraform or OpenTofu and libvirt/KVM virtualization.
• Hands-on CI/CD experience with Jenkins or GitLab pipelines.
• Experience with cloud infra and container orchestration using Kubernetes.
• Comfortable in ISO 27001 oriented security/compliance environments.
• Certifications such as RHCE/RHCSA, CKAs, or HashiCorp certifications are a plus.
• Good written/spoken English for documentation and team communication.

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).
• Administer networking and security services (HAProxy, BIND, FreeIPA, Keycloak, Vault/OpenBao).
• Operate databases (MySQL, PostgreSQL, MongoDB) and web services (Apache, Nginx).
• Build and maintain CI/CD pipelines (Jenkins, GitLab) and automate tasks.
• Administer Kubernetes workloads, RBAC, networking, storage, and operators, including ISO 27001 controls.
• Monitor tickets, diagnose issues, and support developers’ workflows.
• Participate in on-call rotation, incident response, and root-cause analysis.

Skills

CLI proficiency

Bash scripting

Systemd

Networking fundamentals

Automation & scripting

CI/CD mindset

Kubernetes

Security & ISO 27001 awareness

Independent working

English communication

Education

RHCE/RHCSA

CKA/CKAD/CKS

HashiCorp Terraform/Vault

Tools

Foreman

libvirt/KVM

Puppet

Ansible

Terraform/OpenTofu

Pulpcore

Icinga

Prometheus

Grafana

OpenSearch

HAProxy

BIND

FreeIPA

Keycloak

Vault/OpenBao

Jenkins

GitLab

Kubernetes tooling

Job description

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.