Linux Systems Administrator

Duties & Responsibilities:

RHEL Server Administration:

• Deploy, configure, and maintain Red Hat Enterprise Linux (RHEL) servers in on-prem and cloud environments.

  • Secure, optimize, and troubleshoot Linux systems to ensure uptime and reliability.
  • Manage user access, system permissions, and software updates.

Containerization & Kubernetes:

• Deploy and manage Docker containers for internal services and tools.
• Maintain and expand Kubernetes (RKE2) clusters for user-deployed applications and enterprise solutions.
• Implement and optimize container orchestration using Kubernetes or Docker Swarm.

Infrastructure as Code & Automation:

• Implement Infrastructure as Code (IaC) solutions using Terraform and Ansible.
• Develop and manage CI/CD pipelines using GitLab CI/CD.
• Automate deployments, configuration management, and monitoring setup.

Monitoring & Logging:

• Develop and maintain Grafana dashboards for real-time system monitoring.
• Implement centralized logging and monitoring using Telegraf, InfluxDB, and Prometheus.
• Troubleshoot system performance issues using logs and metrics.

Cloud & Virtualization:

• Manage and maintain Linux-based cloud instances across AWS and other cloud platforms.
• Assist in cloud migrations and optimizing cloud-based services.
• Support virtualization efforts across a mix of physical and virtual Linux systems.

Mission-Critical System Support:

• Maintain secure FTP servers for mission data access and downloads.
• Provide support for user-accessible desktop environments via remote desktop solutions.
• Manage physical Linux servers, including a new Qube rendering farm supervisor server.

Collaboration & Knowledge Sharing:

• Work with leadership and cross-functional teams to scale and improve Linux-based infrastructure.
• Provide technical mentorship and training to junior administrators or teammates.
• Contribute to documentation and standard operating procedures (SOPs).