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Fulltime Linux Windows System Administrator Jobs in Reston, VA

CACI

Linux System Administrator

Washington, DC · Hybrid

Linux System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: None Type of ...

Nwis

Linux System Administrator

Arlington, VA

$99K - $206K/yr

... Windows, MacOS, Linux/Unix, and other operating systems and virtual environments to support the TEN infrastructure. - Supporting the implementation of new technologies and equipment in the lab ...

Nwis

Linux System Administrator

Arlington, VA · On-site

$77K - $163K/yr

... Windows, MacOS, Linux/Unix, and other operating systems and virtual environments to support the TEN infrastructure. - Supporting the implementation of new technologies and equipment in the lab ...

Nightwing

Linux System Administrator

Arlington, VA · On-site

$77K - $163K/yr

... Windows, MacOS, Linux/Unix, and other operating systems and virtual environments to support the TEN infrastructure. - Supporting the implementation of new technologies and equipment in the lab ...

Nightwing

Linux System Administrator

Arlington, VA · On-site

$99K - $206K/yr

... Windows, MacOS, Linux/Unix, and other operating systems and virtual environments to support the TEN infrastructure. - Supporting the implementation of new technologies and equipment in the lab ...

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All JobsFulltime Linux Windows System Administrator JobsFulltime Linux Windows System Administrator Jobs in Reston, VA

Fulltime Linux Windows System Administrator information

See Reston, VA salary details

$56.2K

$99.8K

$135.8K

How much do fulltime linux windows system administrator jobs pay per year?

As of Sep 11, 2026, the average yearly pay for fulltime linux windows system administrator in Reston, VA is $99,829.00, according to ZipRecruiter salary data. Most workers in this role earn between $82,200.00 and $115,000.00 per year, depending on experience, location, and employer.

What is the difference between Fulltime Linux Windows System Administrator vs Network Administrator?

AspectFulltime Linux Windows System AdministratorNetwork Administrator
CertificationsLinux/Windows certifications (e.g., CompTIA Linux+, Microsoft Certified)Network certifications (e.g., Cisco CCNA, CompTIA Network+)
Work EnvironmentServer management, OS configuration, troubleshooting on Linux/Windows serversNetwork infrastructure, routers, switches, firewalls
Primary ResponsibilitiesMaintain OS stability, user management, security patchesDesign, implement, and monitor network systems

While both roles involve IT infrastructure, the Fulltime Linux Windows System Administrator focuses on server and OS management, whereas the Network Administrator specializes in network hardware and connectivity. Both roles require technical certifications and are vital in maintaining organizational IT operations, but they differ in scope and daily tasks.

Are fulltime Linux Windows system administrators in demand?

Fulltime Linux and Windows system administrators are in high demand due to the ongoing need for managing and securing enterprise IT infrastructure. Skills in server management, scripting, virtualization, and certifications like CompTIA Linux+ or Microsoft Certified: Windows Server are often required. The role typically offers stable employment opportunities across various industries that rely on robust IT systems.

How much do fulltime Linux Windows system administrators make?

Fulltime Linux Windows system administrators typically earn between $60,000 and $100,000 annually, depending on experience, certifications, and location. Senior roles or those with specialized skills in cloud platforms or security can earn higher salaries. Compensation often includes benefits such as health insurance and paid time off.

What is the average salary of a fulltime Linux Windows system administrator?

The average salary for a full-time Linux Windows system administrator typically ranges from $60,000 to $90,000 annually, depending on experience, certifications, and location. Professionals with specialized skills in scripting, virtualization, or security may earn higher salaries, especially in enterprise environments.

What are popular job titles related to Fulltime Linux Windows System Administrator jobs in Reston, VA?

For Fulltime Linux Windows System Administrator jobs in Reston, VA, the most frequently searched job titles are:

What job categories do people searching Fulltime Linux Windows System Administrator jobs in Reston, VA look for?

The top searched job categories for Fulltime Linux Windows System Administrator jobs in Reston, VA are:

What cities near Reston, VA are hiring for Fulltime Linux Windows System Administrator jobs?

Cities near Reston, VA with the most Fulltime Linux Windows System Administrator job openings:

Fulltime Linux Windows System Administrator jobs near you
Infographic showing various Fulltime Linux Windows System Administrator job openings in Reston, VA as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 13% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $99,829 per year, or $48 per hour.

Windows System Administrator, Mid-Level

Washington, DC • On-site

Tekla Research
Guided Missile and Space Vehicle Manufacturing • 51 - 200 employees
Learn more about Tekla Researchexternal

$85K - $125K/yr

Full-time

Medical, Dental, Vision, Life, Retirement

Posted 15 days ago

Job description

Must be a U.S. Citizen
Clearance Required: Active Top Secret
Position Description:
Support Naval Research Laboratory Space Systems Development Division (SSDD). The primary objective of the SSDD is to develop command, control, communications, computers, and intelligence, surveillance, and reconnaissance (C4ISR) hardware and software solutions to space, airborne, and ground applications.
We are seeking a mid-level Windows Systems Administrator with 5-10 years of experience supporting
Department of Defense (DoD) environments. The ideal candidate will have hands-on experience
administering modern Windows Server and Windows endpoint platforms, enforcing DoD security
standards, and supporting mission-critical systems in regulated or classified networks.
Required Experience:
•5-10 years of Windows Systems Administration experience
•Experience supporting DoD or Federal IT environments
•Strong knowledge of Windows Server 2016+ and Windows 11
•Hands-on experience with DISA STIGs and SCAP tools
•Familiarity with RMF and NIST 800-53 - Highly Desired
•Experience working in controlled or classified environments
Skills Required:
•Security+ CE (DoD 8570 / 8140 compliant)
•Microsoft Windows certifications or equivalent experience
•RMF or CISSP preferred
Key responsibilities:
•Administer Windows Server 2016, 2019, and 2022 environments
•Support Windows 11 Enterprise endpoints
•Manage Active Directory, Group Policy, DNS, DHCP, and trusts
•Implement and remediate DISA STIGs
•Conduct SCAP scans and vulnerability remediation
•Support RMF activities and POA&M; remediation
•Perform system patching, monitoring, and incident response
•Support backup, restore, and disaster recovery operations
•Participate in change management and CCB processes
•Maintain system documentation and accreditation artifacts
Salary:
The projected salary range for this position is $85,000 - $125,000; however, this is not a guarantee of salary.Salary will be set based on experience and contractual requirements.
Benefits:
Medical, Dental, & Vision Plan, short- and long-term disability, accidental death & dismemberment, 401K retirement & matching, Tuition assistance program, direct deposit, leave package and 11 paid federal holidays.

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