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# Sr Linux System Administrator-TS/SCI with FS Poly

- **Company:** Inferno Systems
- **Location:** Chantilly, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Apache HTTP Server, Bash Shell, Ubuntu (Operating System), CentOS, Computer Networks, System Configuration, Debian Linux, Linux, Domain Name System (DNS), Perl (Programming Language), VMware ESX Servers, Web Servers, Python (Programming Language), Kernel-Based Virtual Machine, Lightweight Directory Access Protocols (LDAP), Linux System Administration, Network Architecture, Network Forensics, Network Monitoring, Network Administration, Nginx, Apache Solr, Systems Integration, VMware VSphere, Data Logging, Scripting, Sysadmin, Virtual Environment, Iptables, Hardware Infrastructure, Splunk, Network Server, Fedora
- **Published:** July 14, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9029910/sr-linux-system-administrator-tssci-with-fs-poly

## About the Role

* Experience as a Linux Systems Administrator
 * Experience operating in a virtual environment such as VMware vSphere / ESXi, or KVM
 * Experience integrating LDAP with Windows Active Directory (AD)
 * Strong customer service and technical writing skills
 * Proficient in at least one scripting language such as Python, Perl and/or Bash.
 * Solid understanding of Linux logging, network traffic analysis, SPLUNK, network traffic redirection (i.e. iptables).
 * Familiarity with web proxies (iptables, mod_proxy, digital certificates, etc.), common web servers (i.e. Apache, NGINX), SSL certificates, and DNS records.
 * Understanding of Linux operating systems (e.g. Centos, Ubuntu, Fedora, Scientific Linux, Debian, etc.) and the ability to research the latest technological developments in the relevant operating systems to identify impact and anticipate changes to the organization's operating environment.
 * Experience monitoring network activity and network traffic redirection.
 * Experience in the design, implementation, procurement, tradecraft, or maintenance of various layers of network infrastructure.
 * Candidate must be organized, detail-orientated, a team player, and willing/eager to learn.

DESIRED SKILLS

 * Experience with Windows and network administration
 * Experience with Apache Solr
 * Experience with installing, configuring and maintaining physical server hardware

## Description

Inferno Systems is currently looking to hire individuals for our Linux System Administrator positions. Candidates should have a preferred minimum of 7+ years as a network engineer/system admin. Candidates with fewer years of experience will be considered on a case-by-case basis, depending on technical skill level., This position will require a solid understanding of Linux administration as you help design, build and test new systems employed by our customer to support ongoing operations. You will be taking and managing requirements between developers and engineers in Technical Exchange Meetings (TEMs) You will function as a Linux systems SME to help them design a system that both meets operational requirements and system security plans. Successful candidates will know how to install, configure, and maintain Linux operating systems. They will analyze and resolve problems associated with the operating system's servers, hardware, applications and software.


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