Core Responsibilities & Technical Requirements :

- Build and upgrade RHEL systems.

- Perform advanced Linux troubleshooting using CLI tools and system logs.

- Design, implement, and maintain Infrastructure as Code (IaC) solutions.

- Develop and troubleshoot Ansible playbooks and Puppet modules.

- Write automation scripts using Bash and Python.

- Build Python-based automation for APIs, system integrations, and operational workflows.

- Configure and manage Apache Web Server in production environments.

- Support PHP and HTML applications including debugging and performance tuning.

- Administer and optimize MySQL databases (performance tuning, indexing, query analysis, backups).

- Manage Red Hat Satellite and Capsules in load-balanced enterprise environments.

- Perform OS patching, security hardening, and vulnerability remediation.

- Implement and enforce security best practices across Linux systems.

- Manage LVM configurations, disk provisioning, and SAN-attached storage.

- Configure and troubleshoot network bonding and storage connectivity.

- Diagnose and resolve performance issues across application, OS, and infrastructure layers.

- Monitor systems using tools such as nmon, sar, Grafana, or similar monitoring platforms.

- Support CI/CD processes and deployment automation pipelines.

- Work with Rundeck or similar orchestration tools (preferred).

- Support VMware-based virtualized environments.

- Work within OCI and GCP cloud environments to manage Linux workloads.

- Troubleshoot networking issues involving TCP/IP, DNS, DHCP, routing, and firewalls.

- Participate in production incident response and root cause analysis.

- Collaborate with development teams to improve deployment reliability and automation.

- Maintain documentation for system architecture, automation workflows, and operational procedures.

- Administer and support enterprise Linux environments (RHEL, Oracle Linux, CentOS).

Experience & Skills :

- 5+ years of hands-on Linux systems administration experience in enterprise environments.

- 3+ years of automation experience using Ansible and/or Puppet.

- Strong scripting skills (Bash required, Python highly preferred).

- Experience supporting production web and database environments.

- Solid understanding of DevOps principles and continuous improvement practices.

- Experience working with distributed teams across time zones.

- Strong analytical and problem-solving skills.

- Clear and professional communication skills.

- Ability to work independently and take ownership of deliverables.