Red Hat Linux / RHEL Administrator - Bangalore | Chennai | Pune

Job Overview We are looking for a strong Red Hat Linux / RHEL Administrator with a minimum of 5 years of hands-on experience in end-to-end Linux system administration. The candidate will be responsible for installation, configuration, maintenance, patching, security hardening, monitoring, troubleshooting, and production support of enterprise Red Hat Linux environments. Required Skills & Qualifications Minimum 5+ years of hands-on experience in Red Hat Linux / RHEL System Administration.Red Hat Certified System Administrator (RHCSA) certification preferred/required.Strong experience in installing, configuring, maintaining, and administering Red Hat Linux servers across Development, Test, and Production environments.Experience managing the complete Linux server lifecycle, including installation, configuration, maintenance, monitoring, patching, upgrades, and decommissioning.Experience with Linux server backup and recovery.Strong understanding of Red Hat security advisories, vulnerabilities, patching, and compliance requirements.Experience with security hardening and configuration management.Strong troubleshooting skills with the ability to perform diagnosis, root-cause analysis, and resolution of hardware and operating-system issues.Strong knowledge of Linux filesystem management, including LVM, mounts, permissions, and storage troubleshooting.Good knowledge of Shell scripting for automation and administration.Experience working with enterprise hardware platforms.Exposure to Dell iDRAC and Cisco UCS is preferred.Knowledge of configuration management and automation tools such as Ansible / Ansible Tower is an added advantage.Experience working in Agile/Scrum environments and familiarity with Jira.Ability and willingness to participate in a 24x7 on-call rotation.Key Responsibilities Install, configure, administer, and maintain RHEL servers across multiple environments.Perform regular OS patching, upgrades, security hardening, and configuration changes.Review and remediate vulnerabilities based on Red Hat security advisories.Monitor system health, performance, availability, and capacity.Troubleshoot hardware, operating system, filesystem, networking, and performance issues.Perform root-cause analysis for recurring infrastructure issues.Manage filesystems, LVM, mounts, permissions, and storage-related activities.Support backup, recovery, and disaster recovery activities.Automate routine administrative tasks using Shell scripting and configuration management tools.Maintain system documentation, configuration records, and operational procedures.Work with infrastructure, application, security, and cloud teams to resolve technical issues.Participate in incident, problem, and change management processes.Provide production support through a 24x7 on-call rotation.Preferable / Good-to-Have Skills Good exposure to Cloud Native architecture, development, and deployment.Experience working with AWS or other public cloud platforms.Programming/scripting experience with Python or Ruby.Strong knowledge of configuration management tools such as Chef, Ansible, or Ansible Tower.Exposure to Kubernetes and/or OpenShift.Experience with containerized environments.Knowledge of infrastructure automation and Infrastructure as Code. Experience: 5+ Years Locations: Bangalore | Chennai | Pune .