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Responsibilities

• Administer and maintain enterprise Linux platforms, with primary focus on RHEL-based infrastructure across multiple environments.
• Support the availability and operational health of Red Hat OpenShift clusters and containerized workloads.
• Troubleshoot issues affecting OpenShift nodes, pods, deployments, services, networking, and persistent storage.
• Perform Linux OS patching, upgrades, package management, and configuration activities in accordance with infrastructure standards.
• Manage Red Hat Satellite for system registration, repository management, patch deployment, and Linux lifecycle operations.
• Create and maintain Ansible playbooks to automate routine Linux administration, configuration, and operational activities.
• Administer Linux storage components including LVM, filesystems, partitions, and disk resources.
• Support enterprise virtual machines and infrastructure hosted on VMware environments.
• Monitor Linux and OpenShift environments for availability, capacity, resource utilization, and performance issues.
• Perform Linux troubleshooting involving kernel, CPU, memory, filesystem, networking, and system services.
• Apply security hardening practices and assist with vulnerability remediation and compliance-related activities.
• Support infrastructure changes, platform upgrades, migrations, and production incident resolution.
• Work with application, network, storage, security, and other infrastructure teams to resolve complex platform issues.
• Use Shell/Python scripting where required to simplify administration and repetitive operational tasks.

Requirements

• 5+ years of experience in Linux/RHEL administration, infrastructure engineering, or platform engineering.
• Strong hands-on experience with Red Hat Enterprise Linux in enterprise environments.
• Production experience with Red Hat OpenShift Container Platform (OCP).
• Good working experience with Kubernetes and container technologies.
• Hands-on experience with Ansible for infrastructure automation and configuration management.
• Experience with Red Hat Satellite and enterprise Linux patch/lifecycle management.
• Experience in RHEL patching, upgrades, package management, and system hardening.
• Hands-on experience with LVM, filesystem and disk administration.
• Experience supporting VMware-based virtual infrastructure.
• Strong troubleshooting capability across Linux, OpenShift/Kubernetes, networking, storage, and system services.
• Experience in Docker or other container technologies.
• Experience in Shell or Python scripting.
• Experience with NFS, DNS, FTP, and DHCP services in enterprise Linux environments.
• Experience working in production environments with incident, change, and problem management processes.