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Fulltime Linux Windows System Administrator Jobs in Reston, VA

Nwis

Linux System Administrator

Arlington, VA

... 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

... 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 ...

USM

Windows System Admin

Arlington, VA · On-site

Position: Jr. Windows System Admin Location: Arlington, VA Duration: 3-6 months Description: * Managing Active Directory, Exchange and Office 365. * Installing and managing VMware ESXi servers via ...

Nightwing

System Administrator

Sterling, VA · On-site

System Administrator Location: Sterling, VA Clearance: TS/SCI Poly **This position is CONTINGENT ... The SysA demonstrates strong Linux/Windows administration experience, including package management ...

Nwis

System Administrator

Sterling, VA

Job Title: System Administrator Location:Sterling, VA Clearance:TS/SCI Poly **This position is ... The SysA demonstrates strong Linux/Windows administration experience, including package management ...

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

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 ...

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 ...

Peraton

Linux Systems Administrator

Gaithersburg, MD · On-site

$112K - $179K/yr

Peraton is seeking an experienced Linux System Administrator to implement and manage a centralized ... Configure and manage firewalls; configure and manage file sharing with Windows systems; and ...

Peraton

Linux Systems Administrator

Gaithersburg, MD · On-site

$112K - $179K/yr

Peraton is seeking an experienced Linux System Administrator to implement and manage a centralized ... Configure and manage firewalls; configure and manage file sharing with Windows systems; and ...

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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 Jun 19, 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.

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 June 2026, with employment types broken down into 19% As Needed, 65% Full Time, 6% Part Time, 4% Contract, and 6% Nights. Highlights an 68% Physical, 1% Hybrid, and 31% Remote job distribution, with an average salary of $99,829 per year, or $48 per hour.

Windows Systems Administrator - McLean, VA - TS/SCI

PGTEK

Mclean, VA • On-site

$185K - $265K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 26 days ago

Job description

Senior System Administrator (Windows)
Location: McLean, VA (transitioning to Chantilly, VA)
Clearance Required: Active TS/SCI with CI Polygraph
Salary Range: $185,000 - $265,000
Travel: Up to 20%
Overview
We are seeking a highly skilled Senior System Administrator to join a dynamic infrastructure team supporting next-generation technologies, including initiatives in the Artificial Intelligence (AI) space. This role is ideal for a hands-on technical expert who thrives in complex environments and is passionate about building, maintaining, and optimizing enterprise systems.
Key Responsibilities:
  • Design, implement, and maintain Windows-based systems, networks, and applications
  • Architect and support enterprise-level Windows infrastructure
  • Administer and manage:
    • Active Directory
    • Group Policy
    • DNS
    • File servers
    • Exchange / enterprise email systems
  • Manage patching, updates, and system performance optimization
  • Monitor systems, troubleshoot issues, and ensure high availability
  • Support system deployments using tools such as SCCM or MDT
  • Develop and maintain technical documentation and standard operating procedures
  • Provide Tier II/III technical support via phone, email, and in-person
  • Collaborate with cross-functional IT teams to integrate new technologies
  • Travel up to 20% for on-site support, installations, and maintenance

Requirements
  • MUST have a current and active TS/SCI clearance with CI Poly
  • 8+ years of experience as a Windows System Administrator or similar role
  • Deep expertise in Windows Server and Desktop operating systems
  • Strong experience with enterprise infrastructure design and support
  • Hands-on experience with Active Directory, Group Policy, DNS, and patch management
  • Proven ability to troubleshoot and resolve complex technical issues
  • Excellent communication and interpersonal skills
  • IAM Level II certification (DoD 8570 IAT compliant)

Preferred Qualifications
  • Experience with Linux (server or workstation environments)
  • Scripting and automation skills (PowerShell, Python, Bash)
  • Microsoft certifications (MCSA, MCSE) or equivalent
  • Experience with virtualization technologies (VMware, Hyper-V, KVM)
  • Knowledge of backup and disaster recovery strategies
  • Familiarity with security best practices (firewalls, antivirus, etc.)
  • SQL Server administration experience
  • Experience with ITSM platforms such as ServiceNow

Core Competencies
  • Problem-Solving: Strong analytical skills with the ability to resolve complex system issues
  • Communication: Clear and effective communicator across technical and non-technical teams
  • Collaboration: Team-oriented with the ability to work across multiple stakeholders
  • Mentorship: Ability to guide junior engineers and promote best practices
  • Ownership: Proactive mindset with strong accountability for system performance and reliability

Benefits
Our comprehensive benefits package for full-time salaried employees is effective immediately upon the start date. Benefits include comprehensive PPO medical coverage with access to a Health Savings Account (HSA) option, a vision plan, and dental insurance with the base dental plan option paid for by PGTEK. Life Insurance, Short and Long-Term disability, and Critical Illness insurance have premiums covered. Additionally, PGTEK offers a matching 401(k) plan and a discount on pet insurance through ASPCA Pet Insurance. An Employee Assistance Program is available at no cost to all employees. PGTEK offers a generous amount of PTO and Holidays, and an Education Assistance Program is available after 12 months of employment.
ABOUT PGTEK:
PGTEK is a true consulting organization dedicated to helping clients achieve their business and technology objectives utilizing our decades of experience and business relationships. PGTEK invests in the educational advancements of our staff by providing the necessary resources to complete Professional and Business Certifications. Our company is our people, and we treat them like family.
EOE, including disability/veterans

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