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Administer and support enterprise Linux and UNIX environments.
Perform OS installation, configuration, upgrades, patching, and security hardening.
Execute vulnerability remediation and compliance activities.
Design, test, and certify operating system patches and platform enhancements.
Troubleshoot OS-level issues involving CPU, memory, storage, networking, and file systems.
Support infrastructure automation initiatives using Ansible, Puppet, and scripting tools.
Create and maintain technical documentation, operational procedures, and engineering standards.
Manage capacity planning, performance tuning, and system optimization.
Work closely with engineering, security, and infrastructure teams to ensure platform stability and compliance.
Support incident, problem, and change management processes.
Participate in production support and critical issue resolution as a Level-3/Level-4 SME.
UNIX/Linux Platforms
Red Hat Enterprise Linux (RHEL)
SUSE Linux Enterprise Server (SLES)
Oracle Enterprise Linux (OEL)
AIX
Solaris
System Administration
OS upgrades and patching
Configuration management
Capacity planning
Performance tuning
Root cause analysis
Server hardening
Automation & DevOps
Ansible
Puppet
Git/GitHub
Jenkins or TeamCity
CI/CD exposure
Scripting
Shell Scripting
Python
Perl
Infrastructure Knowledge
Storage management
TCP/IP networking
File systems
Hardware and firmware management
Security and vulnerability management
Preferred Skills
Infrastructure as Code (IaC)
Cloud platforms (AWS, Azure, GCP)
ITSM tools such as ServiceNow
Monitoring tools and observability platforms
Security compliance and audit remediation
Automation framework development
NA
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