Linux Administrator (RHEL/ RedHat Linux) 

We are looking for a Linux Senior Administrator with 5+ years of hands-on experience in Red Hat Enterprise Linux (RHEL) to support enterprise infrastructure, implementation, transition, and operations.

Key Responsibilities

• Design, implement, administer, and troubleshoot RHEL/Linux infrastructure.
• Support Linux infrastructure across enterprise and data center environments.
• Perform patch management, hardening, upgrades, and lifecycle management.
• Manage LVM, users, permissions, storage, and system troubleshooting.
• Administer and support Red Hat Satellite Server.
• Work with Linux clustering solutions including Veritas, PowerHA, Red Hat Cluster, PCS, HPC, and GPFS.
• Support LPAR installation and maintenance.
• Manage backup and recovery activities, including mksysb.
• Support NIM Server installation, configuration, and administration.
• Work with backup and storage technologies such as Cohesity and NetWorker.
• Coordinate with OEMs and vendors for patches, firmware, and product lifecycle activities.
• Support monitoring, ticketing, capacity management, and infrastructure operations.
• Prepare technical documentation, risk assessments, and operational procedures.
• Participate in infrastructure transition, knowledge transfer, and service implementation activities.

Qualifications

• 5+ years of hands-on experience with RHEL/Linux administration.

Required Skills

• Strong experience in Linux infrastructure design and implementation.
• Good knowledge of LVM, user management, patching, and troubleshooting.
• Experience with Satellite Server.
• Knowledge of Veritas Cluster, PowerHA, Red Hat Cluster, PCS, HPC, and GPFS.
• Experience with LPAR, NIM, and mksysb.
• Knowledge of backup and storage technologies.
• Strong understanding of ITIL processes.
• Experience with monitoring and ticketing tools.
• Strong documentation, communication, and troubleshooting skills.
• Ability to work under pressure and support global environments.