DevOps Specialist (On-Premise Kubernetes & Automation)

About the Role

We are seeking a highly skilled Junior DevOps Specialist to support the operation, administration, and continuous improvement of our on-premise DevOps platforms. This role is tailored for professionals with strong experience in self-hosted Kubernetes environments (OpenShift/Rancher), Red Hat Enterprise Linux (RHEL), and CI/CD tooling (GitLab, GitLab-CI). The successful candidate will be instrumental in driving automation, enhancing platform reliability, and contributing to internal tooling efforts.

Note: This role is not focused on cloud-native environments; expertise in on-premise infrastructure is essential.

Operate, administer, and enhance on-premise container orchestration platforms (OpenShift / Rancher)

• Manage deployments, ingress controllers, storage classes, custom resources, RBAC, network policies, and security contexts.
• Perform day-2 operations such as upgrades, tuning, backup planning, and disaster recovery.

· CI/CD Pipeline Management:

• Design, maintain, and improve GitLab-based CI/CD pipelines for on-premise workloads.

· Infrastructure Automation:

• Develop scripts and tools using Python and Bash to automate platform operations and administrative tasks.
• Utilize ArgoCD to implement GitOps workflows and manage Kubernetes manifests through version-controlled repositories.

· Linux Administration:

• Support and integrate with Red Hat Enterprise Linux systems across data centers, including system troubleshooting and optimization.

· Collaboration & Documentation:

• Work with internal teams via Jira and maintain technical and operational documentation in Confluence.

Mandatory Skills

• Kubernetes (OpenShift / Rancher – On-Premise):
• Proven hands-on experience managing and maintaining self-hosted Kubernetes clusters.
• Strong understanding of networking, security, RBAC, and cluster add-ons.

· Linux (RHEL):

• Deep expertise in administering Red Hat Enterprise Linux systems in enterprise environments.

· CI/CD (GitLab, GitLab-CI):

• Strong background in configuring and optimizing CI/CD workflows in GitLab.

· Scripting & Automation:

• Proficient in writing automation scripts using Python and Bash.

· Infrastructure as Code / GitOps:

• Hands-on experience with ArgoCD and managing declarative Kubernetes configurations.

Desirable Skills

• Familiarity with monitoring and observability tools (Prometheus, Grafana, ELK).
• Knowledge of Kubernetes security hardening best practices.
• Experience with Ansible, Terraform in on-prem environments.
• Understanding of service mesh technologies (e.g., Istio).
• Exposure to cloud environments (optional).

• Migrate existing workloads from legacy Ansible Tower to Red Hat Automation Platform, with complete documentation and handover.

· GitLab Migration:

• Transition GitLab assets to a new SaaS instance (GitLab.com), including pipelines, repositories, runners, and post-migration validation.

· OpenShift Upgrade (4.14 to 4.18):

• Plan and execute the upgrade with minimal downtime, ensuring full documentation and operational continuity.

· MDE Project DevOps Support:

• Provide CI/CD enablement, Kubernetes resource configuration, and DevOps engineering aligned with MDE project requirements.
• No work visa sponsorship available- candidate must have full Australian work rights. Due to the volume of application, only shortlisted candidates will be contacted