Linux Guest Remediation Engineer

FIRSTNET GLOBAL LLC; Irving (TX); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

401(k)

Company parties

Competitive salary

Job summary

FIRSTNET GLOBAL LLC in Irving, TX is seeking a Linux Guest Remediation Engineer to prepare and remediate Linux VMs for migration from VMware to KVM/OpenShift Virtualization. You will address boot, kernel, network, storage, and device-driver issues to ensure workloads run after migration.

The role requires deep Linux administration, expertise with RHEL, KVM/virtio, initramfs, GRUB, and automation via Bash, Python, or Ansible.

Qualifications

• Proficient Linux admin with RHEL; migration remediation expertise.
• Experience with KVM/virtio environments and boot issues.
• Familiarity with LVM, multipath, and storage troubleshooting.
• Scripting with Bash or Python; Ansible automation.

Responsibilities

• Assess Linux VMs for migration readiness.
• Troubleshoot initramfs and kernel-module issues.
• Resolve GRUB boot configuration and boot failures.
• Configure and troubleshoot VirtIO drivers.
• Validate filesystem UUIDs, mounts, and storage access.
• Troubleshoot cloud-init and NetworkManager.
• Resolve multipath and LVM issues.
• Triage SELinux after conversion.
• Automate pre- and post-migration checks with Bash, Python, or Ansible.
• Verify OS boot, network, storage, and services.
• Support migration waves and hypercare.
• Document troubleshooting steps and remediation procedures.
• Readiness assessment, pre-cutover remediation, migration-wave support, and hypercare.

Skills

RHEL

KVM/virtio

initramfs

GRUB

Linux networking

NetworkManager

cloud-init

LVM/Storage

SELinux

Bash/Python

Ansible

Migration experience

Tools

VirtIO

Multipath

Job description

Benefits

• 401(k)
• Company parties
• Competitive salary

Linux Guest Remediation Engineer

Location: Irving, TX

Program: Platform Diversification / VMware to OpenShift Virtualization Migration

Job Summary

We are seeking a Linux Guest Remediation Engineer to prepare and remediate Linux virtual machines for migration from VMware virtualization to KVM/OpenShift Virtualization. The engineer will resolve boot, kernel, network, storage, and device-driver issues and ensure Linux workloads function correctly after migration.

Key Responsibilities

• Assess Linux virtual machines for migration readiness.
• Troubleshoot and remediate initramfs and kernel-module issues.
• Resolve GRUB boot configuration and boot failures
• Configure and troubleshoot VirtIO drivers.
• Validate filesystem configuration, UUIDs, mounts, and storage access.
• Troubleshoot cloud-init and NetworkManager configuration.
• Resolve multipath and logical volume management (LVM) issues.
• Troubleshoot SELinux-related issues after conversion.
• Automate pre-migration checks and post-migration remediation using Bash, Python, or Ansible.
• Validate operating system boot, network connectivity, storage mounts, and services.
• Support migration waves, pre-cutover remediation, and hypercare.
• Document troubleshooting steps and repeatable remediation procedures.

Required Technical Skills

• Strong Linux administration experience, particularly Red Hat Enterprise Linux (RHEL).
• Knowledge of major Linux distributions
• Experience troubleshooting KVM/virtio environments.
• Understanding of initramfs, kernel modules, and GRUB.
• Experience with Linux networking and NetworkManager.
• Knowledge of cloud-init and network configuration.
• Experience with LVM, filesystem UUIDs, multipath, and storage troubleshooting.
• Familiarity with SELinux troubleshooting.
• Bash and/or Python scripting; Ansible automation experience.
• Experience with Linux VM migration or virtualization conversion is beneficial to the role.

Lifecycle Participation

• Readiness assessment, pre-cutover remediation, migration-wave support, and hypercare.