LINUX SYSTEM ADMINISTRATOR: TS/SCI with Full Scope Poly NEW

Inferno Systems - Chantilly, VA

Full-time - Mid Level

Chantilly, VA

Professional, Scientific, and Technical Services

About the position

The Linux System Administrator position at Inferno Systems is designed for experienced professionals who will play a critical role in the design, build, and maintenance of Linux systems. This role requires a solid understanding of Linux administration, particularly with Rocky and Ubuntu operating systems, and involves troubleshooting, system monitoring, and executing upgrades and patches to ensure optimal system performance.

Responsibilities

• Design, build, and test new systems to support ongoing operations.
• Maintain, schedule, and execute software and hardware upgrades, patches, and reconfigurations.
• Identify and troubleshoot software and hardware issues with workstations and servers.
• Support continuous system monitoring using various tools.

Requirements

• Minimum of 7+ years of experience as a Linux Systems Administrator or network engineer.
• Strong understanding of Linux operating systems, specifically Rocky and Ubuntu.
• Experience with running and updating repositories.
• Proficient in maintaining and updating centralized audit, logging, and backups.
• Experience with cron, iptables, permissions, and SELinux.
• Proficient in at least one scripting language such as Python, Perl, or Bash.
• Solid understanding of Linux logging and network traffic analysis.
• Experience setting up and monitoring OpenVPN and Wireguard tunnels.
• Experience with NFS / CIFS.
• Strong organizational skills and ability to handle multiple tasks concurrently.
• Strong customer service and technical writing skills, including documentation and diagram creation.
• Experience using Jira for issue tracking and Confluence for documentation.
• Experience with automation tools such as Ansible or Terraform.

Nice-to-haves

• Experience operating in a virtual environment such as VMware vSphere / ESXi or KVM.
• Experience with Splunk.
• Experience monitoring network activity and network traffic redirection.
• Familiarity with web proxies, common web servers (i.e., Apache, NGINX), SSL certificates, and DNS records.
• Experience with installing, configuring, and maintaining physical server hardware.