Linux Administrator
Tata Consultancy Services
2 - 5 years
Chennai
Posted: 15/04/2026
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Job Description
Interview mode : Weekend Walking drive (Face to Face )
Interview date : 18- Apr-26 ( Saturday )
Role : Linux admin
Experience : 4 to 10 years
Location : Chennai
Key skills : RHEL, AIX, Openshift
Required Skills
- Hands-on experience with RHEL and IBM AIX administration.
- Work experience in Openshifts environment
- Strong knowledge of LVM, file systems, and network configuration.
- Familiarity with PowerVM, HMC, and virtualization concepts.
- Experience with patching, hardening, and performance tuning.
- Basic knowledge of storage integration (SAN/NAS).
Roles and Responsibilities:
- Strong troubleshooting and analytical skills.
- Ability to work in a 24x7 support environment (rotational shifts).
- Perform day-to-day administration of RHEL and AIX servers.
- Manage user accounts, permissions, and security policies.
- Apply OS patches, firmware updates, and kernel upgrades.
- Provide Level 2 support for escalated issues from Level 1.
- Troubleshoot system performance, disk space, and network connectivity issues.
- Coordinate with vendors for hardware/software fixes.
- Monitor system health using tools like Nagios, IBM NMON, or Red Hat Insights.
- Analyze logs and optimize system performance.
- Ensure backup jobs run successfully and perform restore tests.
- Support disaster recovery drills.
- Develop and maintain scripts in Shell, Python, or Ansible for routine tasks.
- Maintain accurate documentation of configurations and changes.
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