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Linux System Administrator Ts Sci Jobs (NOW HIRING)

Leidos

Linux System Administrator

Huntsville, AL · On-site

$73K - $132K/yr

... motivated Linux Systems Administrator to become a part of our team. In this role, you will be ... You must hold a current TS/SCI with Poly clearance to qualify for consideration. What We Value: W ...

Leidos

Linux System Administrator

Huntsville, AL · On-site

$73K - $132K/yr

... motivated Linux Systems Administrator to become a part of our team. In this role, you will be ... You must hold a current TS/SCI with Poly clearance to qualify for consideration. What We Value: W ...

Cymertek

Linux System Administrator

San Antonio, TX · On-site

Linux System Administrator LOCATION San Antonio, TX 78208 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a dedicated and skilled ...

Cymertek

Linux System Administrator

Chantilly, VA · On-site

Linux System Administrator LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a dedicated and skilled ...

Cymertek

Linux System Administrator

Honolulu, HI · On-site

Linux System Administrator LOCATION Honolulu, HI 96815 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a dedicated and skilled ...

Cymertek

Linux System Administrator

Tysons, VA · On-site

Linux System Administrator LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a dedicated and skilled Linux ...

Cymertek

Linux System Administrator

Aurora, CO · On-site

Linux System Administrator LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a dedicated and skilled Linux ...

Red Arch Solutions

Linux System Administrator

Annapolis, MD · On-site

$130K - $150K/yr

**An active TS/SCI with Polygraph is required for this position ** Description: Red Arch Solutions is seeking a skilled and detail-oriented Linux System Administrator to join our IT infrastructure team ...

Cymertek

Linux System Administrator

Reston, VA · On-site

Linux System Administrator LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a dedicated and skilled Linux ...

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Linux System Administrator Ts Sci information

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How much do linux system administrator ts sci jobs pay per hour?

As of Jul 19, 2026, the average hourly pay for linux system administrator ts sci in the United States is $51.96, according to ZipRecruiter salary data. Most workers in this role earn between $41.11 and $62.50 per hour, depending on experience, location, and employer.

What are some common challenges faced by Linux System Administrators working in TS/SCI environments?

Linux System Administrators in TS/SCI environments frequently encounter challenges related to strict security protocols and compliance requirements. These roles require maintaining system integrity while navigating complex access controls, documentation standards, and regular audits. Administrators must also manage classified information securely and respond promptly to security incidents, often working closely with security teams and other IT professionals. Additionally, adapting to rapidly evolving technologies and ensuring systems remain up-to-date without disrupting sensitive operations can be demanding but rewarding.

What is a Linux System Administrator TS/SCI?

A Linux System Administrator TS/SCI is an IT professional responsible for managing and maintaining Linux-based computer systems and servers, typically in environments that require a Top Secret/Sensitive Compartmented Information (TS/SCI) security clearance. They handle tasks such as system installation, configuration, security updates, troubleshooting, and user support. The TS/SCI clearance ensures that the administrator can work with classified government or defense information. These roles are critical for organizations that prioritize secure computing environments, such as defense contractors, government agencies, and intelligence organizations.

What is the difference between Linux System Administrator Ts Sci vs Network Administrator?

AspectLinux System Administrator Ts SciNetwork Administrator
CertificationsLinux certifications (e.g., LPIC, RHCSA)Network certifications (e.g., CCNA, CompTIA Network+)
Work EnvironmentData centers, server rooms, Linux-based systemsNetworking labs, enterprise networks, routing/switching environments
Industry UsageIT companies, tech firms, government agenciesTelecommunications, large enterprises, ISPs
Job FocusServer management, Linux OS, scriptingNetwork infrastructure, routing, switching, security

The main difference between Linux System Administrator Ts Sci and Network Administrator lies in their focus areas. Linux System Administrators primarily manage Linux servers, ensuring system stability and security, while Network Administrators focus on maintaining and troubleshooting network infrastructure. Both roles require technical certifications and are vital in IT environments, but their daily tasks and expertise differ significantly.

What are the key skills and qualifications needed to thrive as a Linux System Administrator with TS/SCI clearance, and why are they important?

To excel as a Linux System Administrator with TS/SCI clearance, you need in-depth knowledge of Linux operating systems, networking, scripting, and security protocols, often backed by a bachelor's degree and relevant certifications (such as CompTIA Security+ or Red Hat Certified System Administrator). Familiarity with tools like Ansible, Puppet, and monitoring systems, as well as secure system configuration for classified environments, is essential. Strong problem-solving skills, clear communication, and discretion are critical for managing sensitive information and collaborating with cross-functional teams. These skills and qualities ensure robust system security, operational reliability, and compliance with strict government standards.
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Linux System Administrator Ts Sci jobs near you
Infographic showing various Linux System Administrator Ts Sci job openings in the United States as of July 2026, with employment types broken down into 1% As Needed, 85% Full Time, 11% Part Time, 1% Temporary, and 2% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $108,079 per year, or $52 per hour.
Linux System Administrator

Linux System Administrator

MANTECH

Fort George G Meade, MD

Full-time

Re-posted 18 days ago

ManTech rating

9.0

Company rating: 9.0 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

30th of 209 rated software companies

Job description

hackajob is collaborating with MANTECH to connect them with exceptional professionals for this role.

MANTECH seeks an experienced and passionate, career and customer-oriented Linux System Administrator to join our team in Ft. Meade, MD.

Responsibilities include but are not limited to:

  • Creating and managing virtual environments
  • Systems administration of hardware and software in support of maintenance, developing and testing of information technology systems
  • Administration of Linux (i.e., Redhat/Rocky 8)
  • Scripting with Basic Shell (Bash), PUTTY
  • Configuring and maintaining storage and file systems
  • Developing and delivering briefings, technical presentations, and program documentation to senior program management

Minimum Qualifications:

  • 5+ years’ experience in systems administration of hardware and software in support of maintenance, developing and testing of information technology systems
  • Strong Linux administrative experience (command-line)
  • Ability to launch, provision, and configure VMWare/vSphere instances (e.g., ESXi, vCenter)
  • Server STE/STN Compliancy (ex., NESSUS, MacAfee Agents) and performing server management relating to security tools such as patch management (applying O/S updates, IAVAs, and configuration changes)
  • Able to perform system administration on Linux Redhat 8/Rocky 8 (Command Line)
  • Demonstrated experience working with a team to introduce and integrate new technologies into  existing production environments

Preferred Qualifications:

  • Familiar with installing, troubleshooting, and maintenance on OS on Linux
  • Experience with installing PKI certs
  • Create/Maintain bash scripts to dump and load databases
  • Use SALT to deploy config files to end node and do various interrogations (ping, DNS)

 Clearance Requirement:

  • Active TS/SCI clearance with Poly
     

Physical Requirements:

  • Must be able to remain in a stationary position at least 50% of the time.
  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
  • Constantly operate a computer and other office productivity machinery, such as, the copy machine/fax machine/computer/printer.

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