EXASOFT CONSULTING PTE. LTD.

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.

Red Hat OpenShift Platform Engineer (RHEL Patching, CyberArk, Satellite, Ansible tower)

Red Hat OpenShift Platform Engineer (RHEL Patching, CyberArk, Satellite, Ansible tower)

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