Linux Engineer

Job Description

Linux Migration Engineer: Years of Experience 5 to 8 years Location – Chennai, Bangalore & Coimbatore Shift – Rotational (24/7 coverage – 3 shifts) Role Summary: The 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