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Senior OpenShift Engineer

ALOIS Solutions

RemoteWarsaw, Mazowieckie, PolandseniorContract
Posted
today
Source
LinkedIn (remote, Europe)
Field
Engineering

Skills

KubernetesSecurityCI/CDLinux

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, Alert manager, and Grafana. - Scripting and automation experience (Bash/Shell). - Understanding of CI/CD pipelines and ITSM processes

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