Unix Admin

TCS

6 - 10 years

Bengaluru

Posted: 13/05/2026

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Job Description

AIX Working with user management like creating users, setting password policies, and user administration

Working and Administration of LVM, i.e., volume group, physical volume, logical volume, file system.

Creating and Administration of Paging space, devices.

Configuring startup daemons at system starting by configuring init tabs

Configuring NFS server, and exporting the share and working with those shares in clients managed shares.

Working with the error log files, troubleshooting the errors and fix the errors and running the cron jobs.

Creating manual system backups (rootvg, normal vg level, file system level, file level) and restore them as per the requirements.

Upgrading the operating system by alternate disk installation method and upgrading TL level by multibos method

Configuring NIM master & NIM clients, creating nim resources, defining machines, perform clients recovery by using their mksysb image, new installations, TL or ML upgrades.

Configuring LPARs via HMC, Installing Operating system on LPARs using NIM, and Performing DLPAR operations on virtual servers.

Allocation (map) or de-allocation of luns, making multi-path LUNs

Move the LPARs between frames using Live Partition Mobility.

Monitoring systems for cpu, memory, disk, paging using topas, sar, vmstat, netstat, nmon etc.

Accessing rootvg of the machine that will not boot and fixing any file systems mounting and other issues.

Installation and new server build for AIX. Migrating AIX 5.3 - 6.1 & 6.1 - 7.1. Upgrading TL or ML, Service packs, APARs, Fixes installation.

Performance Analysis and working with Nmon , Topas etc..

Troubleshooting in AIX LVM , Wpar , VIOS level.

Location

Bengaluru

Job Function

IT INFRASTRUCTURE SERVICES

Role

System Administrator

Job Id

411418

Desired Skills

Unix Administration | Unix Scripting

Desired Candidate Profile

Qualifications : BACHELOR OF ENGINEERING

About Company

Tata Consultancy Services (TCS) is one of the largest multinational IT services and consulting companies in the world, headquartered in Mumbai, India. It operates in over 50 countries and is a part of the Tata Group, India's largest business conglomerate. TCS offers a wide range of services including software development, consulting, digital transformation, and business solutions, serving industries such as finance, healthcare, retail, and telecommunications. Known for its global reach, technological expertise, and innovation, TCS is consistently ranked among the top IT services companies globally.

Unix Admin

TCS

Job Description

About Company

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