Senior OpenShift Engineer

Avance Consulting; Województwo pomorskie; Hybrid; PLN 180,000 - 240,000; Full time

Job summary

Avance Consulting in Gdansk, Poland, seeks a Senior OpenShift Engineer for a hybrid contract role (1 day onsite, on-call rotations). You will administer OCP, monitor clusters, and troubleshoot Kubernetes, networking, and storage issues.

The role requires 5+ years in OpenShift, Kubernetes, and Linux, with hands-on experience in upgrades, security, and automation. Collaboration with cross-functional teams is essential.

Qualifications

• 5+ years of hands-on OpenShift administration and support.
• Strong knowledge of Kubernetes, containers, and OpenShift architecture.
• Experience with OpenShift upgrades, patching, certificate management, and cluster maintenance.

Responsibilities

• Administer and support Red Hat OpenShift Container Platform (OCP).
• Monitor cluster health, performance, capacity, and availability.
• Troubleshoot Kubernetes, containers, networking, storage, and deployments.
• Perform cluster upgrades, patching, and lifecycle management.
• Manage OpenShift security, RBAC, SCCs, quotas, and namespaces.
• Support backup, recovery, DR testing, and platform resilience.
• Maintain OpenShift networking components (Routes, Ingress, DNS, LB).
• Develop automation scripts and maintain docs.
• Collaborate with Security, Network, Storage, VMware, Cloud, Apps teams.

Skills

OpenShift Administration

Kubernetes

Linux

Scripting

CI/CD knowledge

Tools

OpenShift

Kubernetes

oc

kubectl

YAML

Job description

Job Title : Senior OpenShift Engineer

Job Location : Gdansk, Poland (Hybrid 1 day onsite + on-call rotations)

Job Type : Contract Job B2B

Job Description:

Key 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.

Required Skills & Experience

• 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