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Linux Administrator L1/L2

3 - 8 years

10 - 20 Lacs

Posted:7 hours ago| Platform: Naukri logo

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Work Mode

Hybrid

Job Type

Full Time

Job Description

Linux Migration Engineer:

Years of Experience

Location

Shift


Role Summary:

The L1/L2 Linux Migration Engineer will lead migration and cutover tasks for Linux servers (primarily RHEL) and provide escalation support. This role is critical for maintaining wave velocity and addressing live issues during cutover windows.

Skills Summary:

  • Proficient in RHEL 6/7/8/9 and Red Hat Satellite (if applicable)
  • Service management via systemctl, chkconfig, ss, netstat
  • Hands-on firewall configuration (iptables, firewalld)
  • Kernel tuning, GRUB management, and LVM/disk partitioning
  • Cron jobs, system limits, logrotate, auditing
  • File system-level permissions, NFS mounts, SELinux contexts
  • Database awareness (MySQL/Postgres/Oracle) to help triage connectivity or service dependencies during migration
  • Experience reading logs and troubleshooting issues in Windows Event Viewer or Linux logs (`/var/log`, `journalctl`)
  • Automation via Bash and Ansible (execution only, not authoring)
  • Experience in troubleshooting basic VMware issues related to Virtual Machines.

Responsibilities

  • Lead migration wave execution for Linux workloads
  • Validate server readiness: disk layout, OS version, patch level, log rotation
  • Support and coach junior engineers during cutover sprints
  • Troubleshoot post-migration network, service, or agent issues
  • Validate agent-based tools like CrowdStrike, backup agents, and monitoring agents
  • Validate or reconfigure SELinux and firewalld as required
  • Analyze performance using vmstat, iostat, and top post-migration
  • Support rollback planning and documentation
  • Perform rollback or failback procedures if required
  • Collaborate with other teams for app-level testing during Hypercare
  • Maintain escalation logs and wave completion status
  • Review and update migration runbooks for future reuse.

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