Tcs is Hiring For AIX Admin

Tata Consultancy Services; Delhi; On-site; INR 900,000 - 1,300,000; Full time

Job summary

Tata Consultancy Services is seeking a seasoned Systems Administrator to install, configure, and manage Unix-based operating systems including AIX and RHEL. The role includes server monitoring, user management, scripting for automation, and performance tuning across on-premises infrastructure.

Responsibilities cover patching, security hardening, backups, incident response, and networking with TCP/IP, DNS, DHCP, VPN, NFS, and SAN/NAS storage.

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, permissions, and authentication methods (LDAP, NIS, PAM).
• Develop and maintain shell scripts (Bash, Perl, Python) for automation tasks.
• Monitor system performance and identify bottlenecks; implement optimizations.
• Apply patches, upgrades, and configure firewalls; enforce security best practices.
• Ensure regular backups and tested recovery procedures.
• Diagnose and resolve hardware and software issues; support applications and infrastructure teams.
• Understand and manage TCP/IP, DNS, DHCP, VPN, NFS, SAN/NAS storage.
• Provide Level 3 escalation support and perform root cause analysis for outages.

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.

Role & responsibilities

Preferred candidate profile