DevOps Specialist

Job Title: DevOps Specialist (On-Premise Kubernetes & Automation)

Location: Sydney, Australia

Employment Type: Contract 

About the Role

We are seeking a highly skilled 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.

Key Responsibilities

Kubernetes Administration:

• 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.
• GitOps & IaC:
• 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).

Key Deliverables

• Ansible Tower to AAP Migration:
• 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