OpenShift Consultant
Andersen is hiring an OpenShift Consultant for a project supporting enterprise OpenShift deployments across cloud and on-premises environments and ensuring reliable, scalable container operations. The customer is a technology and consulting services provider specializing in digital transformation, advanced engineering, and innovative solutions. Its core areas of expertise include artificial intelligence, cybersecurity, cloud computing, data analytics, and digital engineering. The company supports public and private sector clients by modernizing IT infrastructure, improving operational efficiency, strengthening security, and implementing emerging technologies to address complex business challenges. The project is focused on supporting enterprise OpenShift cluster deployments across on-premises and cloud environments. It includes remote technical consulting, infrastructure troubleshooting, and expert guidance to ensure reliable, scalable, and efficient container platform operations.
Responsibilities: - Сluster planning: architecture, sizing and hardware readiness. - Preparing installation assets and dependencies for offline environments. - Analyzing logs, errors and configurations, and troubleshooting. - Troubleshooting bare-metal provisioning and boot issues. - Supporting OpenShift upgrades across update channels. - Advising OpenShift Virtualization, including VM migration from VMware. - Configuring multi-cluster management and security policies. - Writing technical documentation.
Requirements: - Experience with OpenShift for 4+ years, including hands-on OCP/OKD installations. - Bare-metal provisioning: PXE and virtual media boot via server BMC (Redfish, IPMI), UEFI/BIOS settings. - Disconnected installations: mirroring release images and operators with oc-mirror, setting up a local mirror registry, configuring image mirror sets. - Experience with different cluster topologies (standard, compact, single-node) and node joining, including CSR approval. - Post-install validation: cluster operator health checks and test workload deployment. - Troubleshooting failed installations: bootstrap and rendezvous host issues, openshift-install gather, must-gather, journalctl on CoreOS nodes. - Experience configuring OpenShift authentication and access control: identity providers (LDAP, OIDC), RBAC, projects and quotas. - Experience with the OpenShift monitoring and logging stack (Prometheus, Alertmanager, Loki), including alert tuning. - Solid knowledge of networking fundamentals, including DNS, DHCP, load balancing, and VLANs. - Level of English – from Upper-Intermediate or above.
Nice to have: - Experience with OKD specifically. - GPU workloads on Kubernetes (e.g., NVIDIA GPU Operator). - Red Hat certifications (RHCA, EX280).
Compensation: 2700–4500 EUR per month.
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