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Posted 2mo ago

Kubernetes Cluster Administrator (DevOps) (Zagreb, HR)

@ AVL
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Zagreb, Croatia, Croatia
OnsiteFull Time
Responsibilities:Administer on-prem clusters, Automate with ArgoCD, Troubleshoot systems
Requirements Summary:Hands-on on-prem Kubernetes administration with ArgoCD and Ansible; scripting in Bash/Python; strong observability knowledge; RBAC and networking basics.
Technical Tools Mentioned:ArgoCD, Ansible, Kubernetes, kubeadm, containerd, Bash, Python, PowerShell, Grafana, Prometheus
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Job Description

AVL-AST D.O.O. offers a job in Croatia (HR) as



Kubernetes Cluster Administrator (DevOps)




We are seeking a highly skilled and self-driven Kubernetes Administrator to manage and support our on-premises Kubernetes clusters. The ideal candidate will have deep experience in on-prem Kubernetes administration, automation tools like ArgoCD and Ansible and be proficient in scripting languages (e.g., Bash, Python, or Shell).
You will play a key role in designing, maintaining, and scaling our Kubernetes-based infrastructure, supporting mission-critical applications, and automating operational workflows in a secure and resilient environment.

  



 



YOUR RESPONSIBILITIES:



 



•    Administer and maintain on-prem Kubernetes clusters, including installation, upgrades, patching, and monitoring.
•    Automate infrastructure provisioning and configuration management using ArgoCD.
•    Troubleshoot system, container, and network-level issues across distributed environments.
•    Implement and monitor security and access policies in line with industry best practices.
•    Collaborate with developers, security engineers, and infrastructure teams to ensure seamless CI/CD workflows.
•    Design and implement backup, disaster recovery, and high availability strategies for Kubernetes clusters.
•    Monitor performance and health of workloads, nodes, and clusters using tools like Prometheus, Grafana, etc.
•    Maintain documentation and operational runbooks for infrastructure components and procedures.



 



YOUR PROFILE:



 



Must Have:
•    Proven hands-on experience managing on-premises Kubernetes environments (kubeadm, containerd, etc.).
•    Strong experience with ArgoCD for GitOps workflows and continuous delivery.
•    Strong knowledge of observability and monitoring stacks, including Grafana Alloy, Prometheus, metrics pipelines, and alerting.
•    Exposure to monitoring/observability tools (Grafana, Prometheus, etc.).
•    Solid scripting experience in PowerShell, Bash, Python, or similar.
•    Familiarity with storage and networking concepts in Kubernetes.
•    Understanding of RBAC, secrets, taints, tolerations, and other Kubernetes primitives.
•    Strong troubleshooting and problem solving skills.
Nice to Have:
•    Experience with Helm or GitOps tools beyond ArgoCD.
•    Familiarity with container security best practices and tooling.
•    Experience integrating Kubernetes with identity providers (LDAP, Keycloak, etc.).



 



WE OFFER:



 



  • Enabling and contributing to projects of high technical & business complexity
  • A strong team with automation in its core
  • Professional development through mentorship and trainings
  • 24 days of vacation



 

 



Interested?

If so, please use our online application tool to send your application to AVL!