Linux Systems Administrator

Job summary

The Linux Systems Administrator role focuses on supporting the Linux environment for Electronic Warfare systems, emphasizing the building, maintenance, and troubleshooting of critical infrastructure. Key responsibilities include managing Red Hat Enterprise Linux and Ubuntu servers, administering virtualization platforms like Proxmox and VMware vSphere, and implementing automation solutions using Ansible and Puppet.

Qualifications

• 5+ years of hands-on Linux systems administration experience
• Strong experience administering and troubleshooting Red Hat Enterprise Linux (RHEL) or similar enterprise Linux environments
• Experience with Linux installation, configuration, patching, system hardening, and performance troubleshooting
• Experience with virtualization platforms such as Proxmox and/or VMware vSphere
• Experience with automation and configuration management tools such as Ansible and Puppet
• Experience with container technologies including Docker and/or Podman
• Strong working knowledge of Linux networking, DNS, storage, authentication, and system services
• Ability to independently troubleshoot complex infrastructure issues across physical and virtual environments
• Ability to obtain and maintain a Top Secret security clearance

Responsibilities

• Build, configure, maintain, patch, and upgrade Linux bare-metal servers and virtual machines
• Independently troubleshoot complex issues across Linux workstations, servers, virtual machines, infrastructure appliances, storage, authentication, and network connectivity
• Administer and troubleshoot virtualization platforms including Proxmox and VMware vSphere
• Develop and maintain automation and configuration management solutions using Ansible and Puppet
• Configure, optimize, troubleshoot, and maintain Linux networking and supporting infrastructure services
• Implement and maintain system monitoring, logging, and dashboards
• Design and implement infrastructure improvements to increase reliability, fault tolerance, scalability, and performance
• Deploy, administer, and troubleshoot containerized workloads using Docker and Podman, and support Kubernetes environments
• Review Nessus and other vulnerability scan results and remediate identified vulnerabilities
• Coordinate and perform recurring system updates, upgrades, and patching

Skills

Certifications

Degrees

Security clearance

Relocation