OpenShift Platform Engineer - Portworx

CMK Resources, Inc.; United States; On-site; USD 120,000 - 160,000; Full time

Job summary

CMK Resources, Inc. seeks an experienced OpenShift / Portworx Platform Engineer to support a complex enterprise Kubernetes and OpenShift environment. This hands-on role focuses on platform engineering, cluster builds, migrations, storage, and troubleshooting across OpenShift, Kubernetes, Linux, and storage layers.

Responsibilities include designing and operating enterprise clusters, supporting migrations, and developing runbooks and documentation to drive production readiness and reliability.

Qualifications

• Strong Kubernetes administration and troubleshooting in enterprise environments.
• Experience with OpenShift migrations and cluster builds.
• Proficient Linux administration across RHEL and Ubuntu.
• Ability to perform root-cause analysis and collaborate across teams.

Responsibilities

• Support design, build, configuration, and operation of enterprise OpenShift/Kubernetes clusters.
• Assist with cluster migrations and production readiness.
• Define storage requirements and manage persistent storage configurations.
• Troubleshoot Kubernetes, Linux, networking, and storage across environments.
• Create and maintain runbooks and technical documentation.

Skills

Kubernetes admin

OpenShift

Linux admin

Troubleshooting

Root-cause analysis

Cross-team collaboration

Documentation

Tools

Portworx

Kubernetes

AWS

OpenShift

Job description

CMK Resources is seeking an experienced OpenShift / Portworx Platform Engineer to support our partner within a complex enterprise Kubernetes and OpenShift environment.

This is a hands-on engineering role focused on OpenShift/Kubernetes platform engineering, cluster builds, migrations, storage, and troubleshooting. The ideal candidate will have strong Red Hat OpenShift, Kubernetes, and Linux experience, along with the ability to troubleshoot complex issues across the platform, infrastructure, and storage layers.

What You Will Be Doing

• Support the design, build, configuration, and ongoing operation of enterprise OpenShift/Kubernetes clusters.
• Support Kubernetes and OpenShift platform and workload migrations.
• Assist with new cluster builds, configuration, validation, and production readiness.
• Support migrations involving virtual machines and containerized workloads.
• Help define storage requirements and capacity needs for Kubernetes/OpenShift environments.
• Support and troubleshoot Kubernetes persistent storage, workload build-out, and data movement.
• Troubleshoot issues across OpenShift/Kubernetes, Linux, storage, networking, and application layers.
• Support Portworx Enterprise environments, including storage configuration, capacity, performance, and troubleshooting.
• Troubleshoot Kubernetes components including pods, nodes, deployments, StatefulSets, networking, storage, and cluster services.
• Perform hands-on Linux troubleshooting across Red Hat Enterprise Linux (RHEL) and Ubuntu environments.
• Identify root causes of complex infrastructure issues and collaborate across technical teams to drive resolution.
• Create and maintain technical documentation, migration procedures, troubleshooting guides, and operational runbooks.

Required Qualifications

• Strong Kubernetes administration, operations, and troubleshooting experience.
• Experience supporting Kubernetes and/or OpenShift migrations.
• Experience building, deploying, or supporting new Kubernetes/OpenShift clusters.
• Strong understanding of Kubernetes architecture, including pods, nodes, deployments, StatefulSets, namespaces, services, networking, and storage.
• Strong Kubernetes troubleshooting skills within enterprise production environments.
• Strong Linux administration and troubleshooting experience.
• Experience with Red Hat Enterprise Linux (RHEL) and Ubuntu.
• Understanding of Kubernetes persistent storage concepts, including CSI, persistent volumes (PV), persistent volume claims (PVC), and StorageClasses.
• Experience troubleshooting complex issues across Kubernetes, Linux, networking, and storage.
• Ability to perform root cause analysis and work collaboratively across multiple technical teams.

Preferred Qualifications

• Experience administering or troubleshooting Portworx storage within Kubernetes/OpenShift environments.
• Experience with enterprise storage platforms.
• Experience with storage capacity planning and large-scale data movement.
• Experience migrating workloads between virtualization and Kubernetes/OpenShift environments.
• KubeVirt or OpenShift Virtualization experience, including building new VMs and/or migrating existing VMs into OpenShift.
• Experience with Kubernetes MaaS environments.
• Experience with dual-stack networking and IPv6.
• AWS experience.
• Experience supporting Kafka and/or Elasticsearch.