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8 days ago
L3 Skilled UNIX ENGINEERS (INDIA)
Cognizant Technology Solutions
Toronto, ON
Other

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8 days ago

Cognizant Technology Solutions

L3 Skilled UNIX ENGINEERS (INDIA)

Toronto, ON, Canada

Other

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At a glance

Automatically prepared from the listing. Check the original description for the full requirements.

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Responsibilities

The role involves advanced administration, troubleshooting, and optimization of IBM AIX, RHEL, and SUSE Linux environments. Key duties include leading root-cause analysis, driving automation, and providing technical leadership to L1/L2 teams.

Requirements

Candidates must possess Level 3 expertise in UNIX, AIX, and Linux with hands-on experience in system administration and performance tuning. Proficiency in automation tools like Ansible and scripting languages such as Bash or Python is required.

Experience

5 to 10 years

Working hours

40 hours per week

Job type

Other

Work arrangement

On-site

Skills

Unix Administration
AIX
Red Hat Enterprise Linux
SUSE Linux Enterprise Server
Performance Tuning
Root Cause Analysis
Patch Management
Vulnerability Management
Bash
Python
Ansible
Incident Management
Problem Management
System Optimization
Security Hardening

Visa sponsorship

Not detected in the job text

Keywords

Unix
AIX
Linux
RHEL
SLES
L3 Engineer
System Administration
Performance Tuning
Root Cause Analysis
Patch Management
Vulnerability Management
Bash
Python
Ansible
Incident Management
Problem Management
Security Hardening
Information Technology
Infrastructure

Original job description

This position is for "IMMEDIATE JOINER" and "CHENNAI / BNAGLORE" only.

DOMAIN SKILLS: UNIX/AIX/LINUX hands-on at Level 3 expertise.

Key Responsibilities

· The L3 Unix/Linux Administrator is responsible for advanced administration, troubleshooting, and optimization of IBM AIX, Red Hat Enterprise Linux (RHEL), and SUSE Linux Enterprise Server (SLES) environments. This role supports mission-critical systems, leads root-cause analysis, drives automation, and provides technical leadership for L1/L2 teams.

· Advanced System Administration - Manage, configure, and optimize AIX, RHEL, and SUSE servers across Production, Dev, QA, and DR environments.

· Performance Tuning - Analyze CPU, memory, I/O, and network performance, tune kernel parameters and subsystems.

· Incident & Problem Management - Handle high-severity incidents, perform deep-dive troubleshooting, and lead root-cause analysis.

· Patch & Vulnerability Management - Apply OS patches, firmware updates, and security hardening following Customer guidelines.

· Automation & Scripting - Develop automation using Bash, Python, Ansible, or

Apply by Oct 8, 2026

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Details last changed Sep 15, 2026. About these details

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