Senior Linux Systems Specialist

Job Title : Senior Linux Administrator

Experience Required : 5–8 Years

Work Location : Hyderabad ( Work From Office)

Shift : 24 / 7 rotational shift

Job Summary :

We are looking for a highly skilled and motivated Senior 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, 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

4–8 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)