Demo

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

ClearanceJobs
Chantilly, VA Full Time
POSTED ON 6/5/2026
AVAILABLE BEFORE 7/4/2026
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:

Preferred Summary

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

Salary.com Estimation for Sr Linux System Administrator-TS/SCI with FS Poly with Security Clearance in Chantilly, VA
$137,121 to $167,222
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Sr Linux System Administrator-TS/SCI with FS Poly with Security Clearance?

Sign up to receive alerts about other jobs on the Sr Linux System Administrator-TS/SCI with FS Poly with Security Clearance career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$104,896 - $133,785
Income Estimation: 
$128,195 - $161,806
Income Estimation: 
$128,195 - $161,806
Income Estimation: 
$149,354 - $186,884
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at ClearanceJobs

  • ClearanceJobs Arlington, VA
  • Position Description: This position is located in USA VA Arlington, hybrid working model acceptable. Active TS/SCI required, active TS/SCI with Poly highly... more
  • 1 Day Ago

  • ClearanceJobs Fairfax, VA
  • RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employee... more
  • 1 Day Ago

  • ClearanceJobs Vandalia, OH
  • Avionics Technician IV Vandallia, OH Job number: 37301110 Certifications & Licenses: FCC GROL Duties:As an Avionics Technician IV, you will be using your s... more
  • 1 Day Ago

  • ClearanceJobs San Diego, CA
  • Job Number: R0231130 Systems Engineer The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to mak... more
  • 1 Day Ago


Not the job you're looking for? Here are some other Sr Linux System Administrator-TS/SCI with FS Poly with Security Clearance jobs in the Chantilly, VA area that may be a better fit.

  • Westway Services Group LLC Herndon, VA
  • Now Hiring: System & Help Desk Administrator Join a team that not only values your technical expertise but also invests in you! At Westway, we are proud to... more
  • 9 Days Ago

  • Select Search Associates LLC Fairfax, VA
  • Linux Enterprise System Administrator Our systems administration team seeks a strong Linux enterprise systems administrator whose primary responsibility wi... more
  • 29 Days Ago

AI Assistant is available now!

Feel free to start your new journey!