Walk-in | Linux Administrator

Tata Consultancy Services; Mumbai; On-site; INR 600,000 - 800,000; Full time

Job summary

Tata Consultancy Services is seeking a skilled Linux Administrator to manage RHEL/CentOS environments, implement security configurations, and handle 24x7 support duties in line with client requirements.

You will install/configure RHEL/CentOS OS, patch and upgrade systems, and work with tools like Puppet and Chef. Prior WebLogic/Apache exposure is a plus. Strong collaboration with OEMs is expected.

Qualifications

• Must have strong Linux admin experience including RHEL/CentOS.
• Knowledge of SAN environments and Linux security configurations.
• Preferably RHEL certified engineer.

Responsibilities

• Install, configure and implement RHEL 6, 7 and CentOS OS.
• Configure firewall rules on Linux and perform OS upgradation and patching; monitor logs.
• Troubleshoot performance issues on RHEL/CentOS and perform backups.
• Coordinate with OEMs to resolve issues and ensure secure configurations.
• Knowledge of WebLogic/Apache is advantageous; maintain recovery modes and DNS/HTTP/LDAP/SNMP basics.

Skills

Linux administration

SAN knowledge

Linux security configurations

Shell/Perl/Python scripting

Tools

WebLogic

Apache

Puppet

Chef

Linux virtualization

Job description

Desired Competencies (Technical/Behavioral Competency)

Must-Have

1. Strong Linux RHEL/CENTOS L2 along with cluster administration
2. Knowledge on SAN environment
3. Linux Security configurations

Good-to-Have

Preferably RHEL certified Engineer

Responsibility of / Expectations from the Role

1

Installation, configuration and implementation of RHEL 6,7 and CENTOS OS

2

ACL, Configuration and implementation of firewall on Linux as per the requirement,RHEL OS upgradation and frequent patching of the OS. Server Logs monitoring (Take necessary actions as per incidents and errors reported in the logs. Syslog's, event logs etc). Performing secured configuration on RHEL/CENTOS as per the client requirements

3

Trouble shooting on the performance issues in RHEL/CENTOS (or any LINUX OS). Performing system backups as per the client requirements. Co-ordinating with the various OEM's for resolving issues

4

Knowledge on weblogic and Apache will be added advantage. Maintenance and recovery mode to be performed for resolving issues. Solid knowledge of protocols such as DNS, HTTP, LDAP, SMTP and SNMP

5

Expert in Shell, perl or python scripting. Experience with Linux Servers iun virtualized environments. Willing to work in 24*7 support and even on weekends supports as per the client requirements. Tools knowledge such as puppet, Chef, etc. Willing to work in 24*7 support and even on weekend’s supports as per the client requirements.