Senior Linux Engineer - RHEL System
First seen by Alion on Oct 30, 2026.
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.
Skills
System Administration, Linux, Ansible, Puppet, Bash Scripting, Python, RHEL, CI/CD Pipeline, MySQL, IAC Terraform, VMware