Red Hat OCP Platform Administrator (RHEL, Kubernetes, Ansible, Argo CD, UAT, Postman, Nexus Repository, Grafana, Prometheus)

Responsibilities

• Administer and support enterprise Red Hat OpenShift Container Platform (OCP) environments, including cluster configuration, node management, platform maintenance, upgrades, patching, and troubleshooting.
• Manage OpenShift workloads, namespaces, resources, access controls, persistent storage, and overall cluster health across development and production environments.
• Perform Red Hat Enterprise Linux (RHEL) administration, including server provisioning, OS configuration, upgrades, patching, hardening, and troubleshooting.
• Work with Kubernetes and container platforms to support application deployments, platform operations, and infrastructure-level issue resolution.
• Implement and maintain OpenShift GitOps / ArgoCD workflows for controlled and automated application deployments across environments.
• Develop and maintain Ansible automation for infrastructure configuration, platform operations, compliance activities, and repetitive administrative tasks.
• Manage and support Jenkins CI/CD pipelines, ensuring reliable build, test, and deployment workflows.
• Configure and maintain RBAC/IAM controls and integrate platform access with enterprise identity mechanisms.
• Support OpenShift networking, firewall configurations, node connectivity, resource allocation, and platform troubleshooting.
• Administer Red Hat Satellite for system lifecycle management, patching, subscriptions, and RHEL environment maintenance.
• Monitor platform health, logs, metrics, and alerts using Grafana, Loki, Prometheus, and Alertmanager, and investigate infrastructure or application-related issues.
• Support OpenShift Virtualization environments, including virtual machine provisioning and operational administration.
• Manage enterprise artifact repositories such as Nexus Repository and support their integration with deployment pipelines.
• Participate in platform testing, including UAT, API testing, and performance testing, where required.
• Work with tools such as Postman, K6, Dynatrace, and Tanzu to support testing, monitoring, performance validation, and platform operations.
• Maintain operational documentation, troubleshooting procedures, configuration records, and platform support processes.
• Follow security, compliance, patching, and hardening standards across OpenShift and Linux environments.

Requirements

• 4+ years of hands-on experience in Red Hat OpenShift / OCP administration.
• Strong experience with Red Hat Enterprise Linux (RHEL) administration and Linux infrastructure.
• Hands-on experience with Kubernetes and container platform administration.
• Hands-on experience with OpenShift cluster setup, configuration, upgrades, node management, troubleshooting, and day-to-day platform operations.
• Experience with OpenShift GitOps / ArgoCD and GitOps-based deployment practices.
• Hands-on experience with Ansible automation, including playbook development and configuration management.
• Experience managing CI/CD pipelines, preferably using Jenkins or similar tools.
• Experience in RBAC/IAM, identity integration, networking, firewall configuration, and platform security.
• Experience with Red Hat Satellite for patching and lifecycle management is preferred.
• Experience with monitoring and observability tools such as Prometheus, Alertmanager, Grafana, and Loki.
• Experience in OpenShift Virtualization, Nexus Repository, Dynatrace, Tanzu and Postman.
• Experience in Performance testing framework.
• Strong troubleshooting skills across Linux, Kubernetes/OpenShift, networking, deployments, and infrastructure components.
• Red Hat OpenShift certification is preferred.