Linux Administrator - Bangalore

Tata Consultancy Services; Bengaluru; On-site; INR 1,200,000 - 2,500,000; Full time

Job summary

Tata Consultancy Services in Bengaluru is seeking an experienced Linux/cloud Administrator to install, maintain, and monitor Linux-based servers, ensuring performance and high availability across SUSE and RedHat environments. The role covers VPNs, firewalls, DNS/LDAP/SMTP, file systems, backups, and incident troubleshooting, with a focus on DNS tools like tcpdump, traceroute, and nmap.

You will collaborate with users to resolve issues and participate in testing new Linux versions and storage

Qualifications

• 8+ years of experience as Linux/cloud Administrator.
• Strong knowledge of Linux distributions (SUSE, RedHat).
• Experience with DNS, LDAP, SMTP, SNMP and storage management.

Responsibilities

• In-depth knowledge of Linux: SUSE, RedHat,
• Install and maintain all server hardware and software systems, as well as manage server performance and availability.
• Linux Boot process, Performance issue troubleshooting.
• Solid knowledge of protocols such as DNS, HTTP, LDAP, SMTP and SNMP.
• Experience with Linux-based VPN clients, firewalls, intrusion detection systems, filesystems, and authentication.
• Hands on experience in DNS, ftp, samba, ldap, e-mail, ntp, nfs, dhcp services ,config , vmstat, iostat, nfstate
• Previous working experience as a Linux/cloud Administrator for 8 years.
• Knowledge on any one cloud (Azure/AWS/GCP).
• Extensive knowledge in Storage and Filesystem management.
• Work with users to resolve account/system issues.
• Monitor performance and ensure system availability and reliability.
• Troubleshoot problems with Linux servers, running various versions of Linux Systems.
• Engage in continuous testing of new Linux versions and applications on an on-demand basis.
• Install, upgrade, and maintain Linux based systems (SUSE).
• Experience on backup and recovery.

Skills

Linux

SUSE

RedHat

DNS

LDAP

SMTP

SNMP

tcpdump

nmap

backups

Tools

tcpdump

traceroute

nc

ifconfig

nmap

RAID

storage

Job description

Role & responsibilities

In-depth knowledge of Linux: SUSE, RedHat,

Install and maintain all server hardware and software systems, as well as manage server performance and availability.

Linux Boot process, Performance issue troubleshooting.

Solid knowledge of protocols such as DNS, HTTP, LDAP, SMTP and SNMP.

Experience with Linux-based VPN clients, firewalls, intrusion detection systems, filesystems, and authentication.

In depth knowledge in traceroute, tcpdump, tracepath, nc, ifconfig, nmap, netstat, ethool, RAID & different types/class

Hands on experience in DNS, ftp, samba, ldap, e-mail, ntp, nfs, dhcp services ,config , vmstat, iostat, nfstate

Previous working experience as a Linux/cloud Administrator for 8 years.

Knowledge on any one cloud (Azure/AWS/GCP).

Extensive knowledge in Storage and Filesystem management.

Work with users to resolve account/system issues.

Monitor performance and ensure system availability and reliability.

Troubleshoot problems with Linux servers, running various versions of Linux Systems.

Engage in continuous testing of new Linux versions and applications on an on-demand basis.

Install, upgrade, and maintain Linux based systems (SUSE).

Experience on backup and recovery.