Sr Linux System Administrator-TS/SCI with FS Poly with Security Clearance

Inferno SystemsChantilly, VA🇺🇸United StatesPosted Oct 7, 2026

Why This Role Stands Out

This hybrid role offers a fantastic opportunity to leverage your expert Linux administration skills to design and build cutting-edge systems, contributing directly to critical operations. You'll thrive here if you possess a strong background in Linux, virtualization, and scripting, coupled with excellent problem-solving abilities and a desire for continuous learning. Apply now to join Inferno Systems and advance your career in a dynamic and secure environment.

Quick Overview

Seniority

Mid Senior

Employment type

Employee

Work mode

Hybrid

Location

Chantilly, VA, United States

Posted

Yesterday

NginxSplunkActive DirectoryApacheBashDNSLDAPPerlPythonVMware

Job Description

LINUX SYSTEM ADMINISTRATOR: Expert Level
Location: Chantilly, VA US
Security Clearance Requirement: TS/SCI with Full Scope Polygraph
Clearance Status: Must be Current JOB 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.

JOB SUMMARY

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.

REQUIRED SKILLS

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