Senior OpenShift Engineer: Platform Reliability & Automation

Ubique Systems; Województwo pomorskie; On-site; PLN 180,000 - 240,000; Full time

Job summary

Ubique Systems in Poland seeks a senior OpenShift Administrator to manage and support Red Hat OpenShift, ensuring cluster health, security, and uptime. The role involves troubleshooting Kubernetes, networking, storage, and application deployments, plus upgrades and lifecycle management in VMware OpenShift environments.

The ideal candidate will have 5+ years in OpenShift administration, strong Linux skills, and experience with monitoring (Prometheus, Grafana) and backup tools (Velero/OADP).

Qualifications

• 5+ years of hands-on experience with Red Hat OpenShift Administration and Support.
• Strong knowledge of Kubernetes, container technologies, and OpenShift architecture.
• Experience with oc, kubectl, YAML, Operators, RBAC, SCC, Projects, and Namespaces.
• Strong Linux/RHCOS administration skills.
• Experience with OpenShift upgrades, patching, certificate management, and cluster maintenance.
• Good understanding of OpenShift networking, DNS, Ingress Controllers, and Load Balancers.
• Experience with storage technologies (PVs, PVCs, CSI Drivers, NFS, iSCSI).
• Experience supporting OpenShift on VMware environments.
• Knowledge of backup and recovery tools such as Velero, OADP, or Dell PPDM.
• Hands‑on experience with monitoring tools such as Prometheus, Alertmanager, and Grafana.
• Scripting and automation experience (Bash/Shell).
• Understanding of CI/CD pipelines and ITSM processes

Responsibilities

• Administer and support Red Hat OpenShift Container Platform (OCP).
• Monitor cluster health, performance, capacity, and availability.
• Troubleshoot issues related to Kubernetes, containers, networking, storage, authentication, and application deployments.
• Perform cluster upgrades, patching, certificate renewals, and lifecycle management.
• Manage OpenShift security, including RBAC, SCCs, quotas, and namespace governance.
• Support backup, recovery, disaster recovery testing, and platform resilience initiatives.
• Maintain and optimize OpenShift networking components, including Routes, Ingress, DNS, and Load Balancers.
• Perform root cause analysis (RCA) and implement preventive solutions.
• Develop automation scripts and maintain operational documentation.
• Collaborate with Security, Network, Storage, VMware, Cloud, and Application teams.
• Participate in incident management and on-call support rotations.

Skills

Red Hat OpenShift Administration

Kubernetes

OpenShift architecture

oc

kubectl

YAML

RBAC

SCC

Networking

PV/PVC storage

VMware OpenShift

Velero

Prometheus

Grafana

Bash/Shell scripting

CI/CD

ITSM processes

Tools

oc

kubectl

YAML

Operators

RBAC

SCC

Prometheus

Grafana

Velero

OADP

Dell PPDM

Job description

Ubique Systems in Poland seeks a senior OpenShift Administrator to manage and support Red Hat OpenShift, ensuring cluster health, security, and uptime. The role involves troubleshooting Kubernetes, networking, storage, and application deployments, plus upgrades and lifecycle management in VMware OpenShift environments.

The ideal candidate will have 5+ years in OpenShift administration, strong Linux skills, and experience with monitoring (Prometheus, Grafana) and backup tools (Velero/OADP).