Job Summary:
We are looking for a highly skilled and motivated Linux Administrator to manage and support enterprise-scale Linux environments across multiple distributions including RedHat, SUSE, Ubuntu, CentOS, Rocky, and Alma Linux. The ideal candidate will have strong hands-on experience in system administration, automation, clustering, and container technologies.
Primary Responsibilities:
- Administer and maintain various Linux distributions: RHEL, SUSE, Ubuntu, CentOS, Rocky Linux, AlmaLinux
- Implement and manage Pacemaker High Availability (HA) Clusters
- Perform patch management.
- Create and manage partitions, LVMs, and mount file systems
- Configure and manage yum repositories, perform kernel upgrades and minor OS version updates
- Troubleshoot Linux servers running on virtual platforms
- Perform scheduled operations such as log rotation, cron job management, and automated tasks
- Monitor and tune server performance, analyze logs and resolve performance bottlenecks
- Apply ITIL best practices in incident, request, problem, and change management
- Configure and secure systems using iptables, TCP wrappers, and host-level firewall settings
- Install and configure services: FTP, Samba, NFS (server/client), DNS, HTTPD/Apache, LDAP
- Manage DNS entries and host records using DNS portals
- Automate tasks using Shell Scripting and Ansible Playbooks
- Perform system backups using tar, rsync, scp, gzip, etc.
- Work in 24/7 support model, primarily during North America shifts
- Prepare incident reports (IRs) and root cause analysis documentation
- Support project build and BAU operations for large-scale infrastructure
Required Qualifications:
- Bachelor's Degree in Computer Science, Information Technology, or related field
- 2-4 years of hands-on Linux system administration experience
- Strong understanding of Linux internals, system boot process, runlevels, and systemd
- Experience in Pacemaker cluster setup and troubleshooting
- Scripting expertise in Bash/Shell.
- Strong analytical and troubleshooting skills for infrastructure and application issues
- Good verbal and written communication skills
- Willingness to work in rotational shifts.
Preferred Certifications:
- Red Hat Certified System Administrator (RHCSA) / Red Hat Certified Engineer (RHCE)
- SUSE Certified Administrator (SCA)
