TCS Hiring for AIX Admin

Tata Consultancy Services; New Delhi; On-site; INR 600,000 - 900,000; Full time

Job summary

Tata Consultancy Services in New Delhi seeks a skilled System Administrator to install, configure and manage Unix-based systems, including AIX and RHEL. You will monitor servers, manage users via LDAP/NIS/PAM, and automate tasks with Bash, Python or Perl. Strong troubleshooting, security and backup skills are essential.

Join a global IT services leader with a focus on reliability, performance tuning, and cross-team collaboration to keep infrastructure running smoothly and securely.

Qualifications

• Hands-on experience managing Unix/Linux based systems, including AIX and RHEL.
• Experience with user accounts, permissions and authentication methods.
• Ability to script and automate tasks using Bash, Python or Perl.
• Strong understanding of system performance, security, backups and incident handling.

Responsibilities

• Install, configure and manage Unix-based operating systems (AIX, RHEL).
• Monitor and maintain physical and virtual servers for uptime and performance.
• Manage user accounts and authentication (LDAP, NIS, PAM).
• Develop and maintain shell scripts for automation (monitoring, backups, config mgmt).
• Tune system performance and optimize resource usage.
• Apply security patches, upgrade systems and manage firewalls.
• Ensure regular backups and tested recovery procedures.
• Troubleshoot hardware and software issues and support app/infrastructure teams.
• Understand and manage networking concepts (TCP/IP, DNS, DHCP, VPN, NFS, SAN/NAS).
• Provide Level 3 incident and problem management and perform root cause analysis.

Skills

Unix/Linux administration

Server management

User management

Shell scripting

System performance tuning

Security management

Backup & recovery

Troubleshooting

Networking concepts

Incident & problem management

Tools

AIX

RHEL

LDAP

NIS

PAM

Bash

Perl

Python

Job description

• System Administration: Install, configure, and manage Unix-based operating systems, including AIX, RHEL Linux.
• Server Management: Monitor and maintain physical and virtual servers, ensuring optimal performance and uptime.
• User Management: Manage user accounts, permissions, and authentication methods (LDAP, NIS, PAM).
• Shell Scripting & Automation: Develop and maintain shell scripts (Bash, Perl, Python) for automation tasks like system monitoring, backups, and configuration management.
• System Performance Tuning: Monitor system performance, identify bottlenecks, and implement optimizations to improve system efficiency.
• Security Management: Apply patches, upgrades, and configure firewalls. Implement security best practices, ensuring systems are protected against vulnerabilities.
• Backup & Recovery: Ensure system backups are performed regularly and that recovery procedures are in place and tested.
• Troubleshooting: Diagnose and resolve hardware and software issues. Provide support for application and infrastructure teams.
• Networking: Understand and manage networking concepts like TCP/IP, DNS, DHCP, VPN, NFS, and SAN/NAS storage solutions.
• Incident & Problem Management: Provide support for critical issues (Level 3 escalation). Perform root cause analysis for system outages and incidents.