Demo

Linux Enterprise System Administrator with TS/SCI Clearance

Select Search Associates LLC
Fairfax, VA Full Time
POSTED ON 2/26/2026
AVAILABLE BEFORE 4/25/2026
Linux Enterprise System Administrator
Our systems administration team seeks a strong Linux enterprise systems administrator whose primary responsibility will be to maintain, upgrade and provide support for Linux operating systems and infrastructures. As a member of our team, the candidate needs to be able to diagnose and resolve problems and respond to issues in a timely manner. The individual should be able to easily communicate technical concerns and solutions to people with varying degrees of technical knowledge as well as working with said individuals to resolve technical issues. Responsibilities also include but are not limited to maintaining system infrastructure, supporting upgrades and patches for Security and application support, testing patches prior to pushing to the enterprise, and testing/building new and existing servers. The ideal candidate would have experience in a traditional bare metal and VM environment as well as Cloud environments with a desire to gravitate more to the latter.
CLEARANCE:   Active TS/SCI security clearance open to obtaining CI polygraph.

DUTIES / RESPONSIBILITIES:
  • Proactively manage system infrastructure including, databases, testing computer equipment, and other software and hardware.  
  • Provide technical support for both hardware and software issues that may arise.  
  • Perform system monitoring and analysis verifying the integrity and availability of all hardware, performance tuning and troubleshooting of servers, software and hardware and respond to anomalies.
  • Regularly upgrade system software and firmware as required.  
  • Assist in integrating new applications and technologies into the current system.
QUALIFICATIONS AND SKILLS:
  • BS degree in Computer Science or similar field preferred, relevant work experience may be substituted.
  • 5 years of experience as a Linux System Administrator (Enterprise).  
  • Ability to build/maintain/administer servers
  • In-depth knowledge and experience with Linux operating system.  
  • Good knowledge of several scripting languages (Linux based)
  • General understanding of IP networks, switching, subnets and VLANs.
  • General understanding of hardware to include Servers, Blade Chassis, Fiber Channels, SANS.  
  • Ability to respond to support requests after hours.  
  • Flexible and able to adapt to rapidly changing environment.
  • Knowledge of system security concerns and vulnerabilities.  
  • Experience with RH Directory Server or FOSS alternatives.  
  • Good problem-solving abilities.
  • Positive, self-motivated individual who can complete tasks independently.
  • IA certification (either Security or CISSP).
DESIRED SKILLS AND EXPERIENCE:
  • Experience with Cloud Environments and architectures under Kubernetes (K8s) orchestration
  • GITLAB and puppet experience
  • GPFS/IBM ESS experience


TRAVEL:  Willingness to travel to customer sites preferred. Travel usually not to exceed 25%. 

Salary.com Estimation for Linux Enterprise System Administrator with TS/SCI Clearance in Fairfax, VA
$114,654 to $142,590
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 Linux Enterprise System Administrator with TS/SCI Clearance?

Sign up to receive alerts about other jobs on the Linux Enterprise System Administrator with TS/SCI Clearance career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$85,059 - $120,527
Income Estimation: 
$104,896 - $133,785
Income Estimation: 
$123,198 - $153,566
Income Estimation: 
$104,896 - $133,785
Income Estimation: 
$128,195 - $161,806
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 Select Search Associates LLC

  • Select Search Associates LLC Fairfax, VA
  • JOB DESCRIPTION: Work in a fast-paced environment to assist in migration and deployment of applications in an on-prem cloud infrastructure. Assist applicat... more
  • 2 Days Ago

  • Select Search Associates LLC Chantilly, VA
  • SSA LLC has a need for an Enterprise Systems Monitoring with Dynatrace experience SME to support a Federal Program in Chantilly, VA. This is a direct-hire ... more
  • 6 Days Ago


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

  • ClearanceJobs Chantilly, VA
  • LINUX SYSTEM ADMINISTRATOR: Expert Level Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must... more
  • 10 Days Ago

  • Avenue Technologies and Commodities Inc Dulles, VA
  • Linux System Admin TS/SCI Dulles VA We're seeking a talented and experienced Linux System Administrator to join our team in a classified environment. As a ... more
  • 5 Days Ago

AI Assistant is available now!

Feel free to start your new journey!