Top 71 Linux Administrator Jobs in Mclean, VA

Windows Systems Administrator
Leidos —Arlington, VA
- $73,450 - $132,775 a year
- Full-time
- Mid-level
- Windows
- Bachelor's degree
3d
Cloud Systems Administrator - Jr. Level
Evans & Chambers Technology —Reston, VA
- Mid-level
- Windows
- Bachelor's degree
Quick Apply
Sr. Windows System Administrator
DCI Solutions —Chantilly, VA
- $180,000 - $220,000 a year
- Full-time
- Microsoft Outlook
- System design
- Windows
- Health savings account
- Relocation assistance
Quick Apply
Windows System Administrator
DCI Solutions —Chantilly, VA
- $140,000 - $180,000 a year
- Full-time
- Microsoft Outlook
- System design
- Windows
- Health savings account
- Relocation assistance
Quick Apply
Desktop Systems Engineer - TS/SCI with Polygraph
General Dynamics Information Technology —Annapolis Junction, MD
- $142,792 - $184,000 a year
- 6 years
- Office
- Bachelor's degree
- Paid time off
- 401(k) matching
10d
Programmer/Systems Administrator
District of Columbia District Court —Washington, DC
- $81,906 - $158,334 a year
- System design
- Mid-level
- Office
Application Administrator (Top Secret)
Praescient Analytics —Fairfax, VA
- Online Application
- Remote
- Mid-level
- Windows
- 3 years
- Paid holidays
- Tuition reimbursement
Quick Apply
6d
Network Operations Administrator
ARTTRA —Washington, DC
- $65,855.25 - $150,000.00 a year
- Full-time
- Mid-level
- Bachelor's degree
- Computer networking
- Health insurance
- Dental insurance
Quick Apply
12d
DevOps Engineer and System Administrator, Senior
Booz Allen Hamilton —McLean, VA
- $77,600 - $176,000 a year
- Full-time
- Azure
- 5 years
- Office
- Health insurance
- Flexible spending account
4d
SharePoint Administrator (cleared)
True Tandem —Washington, DC
- $175,000 - $190,000 a year
- Full-time
- Windows
- 3 years
- SharePoint
- Paid holidays
- Disability insurance
Kubernetes Administrator
Guidehouse —Washington, DC
- $85,000 - $141,000 a year
- Bachelor's degree
- Travel
- Fair chance
- Commuter assistance
- Health savings account
Network & Information Systems Administrator
Quantum Space —Rockville, MD
- $125,000 - $155,000 a year
- Full-time
- Computer Science
- 5 years
- System design
- Health savings account
- Health insurance
Quick Apply
Splunk Administrator
ActioNet —Washington, DC
- $108,000 - $128,000 a year
- Full-time
- Mid-level
- Windows
- JavaScript
- AD&D insurance
- Paid holidays
Quick Apply
Network Deploy Technician III, Global Network Delivery (GND)
Amazon Data Services, Inc. —Chantilly, VA
- $27 - $48 an hour
- Full-time
- High school diploma or GED
- Driver's License
- Driving
- Employee assistance program
- 401(k) matching
Network Administrator
Nightwing Intelligence Solutions, LLC —Sterling, VA
- $122,000 - $253,000 a year
- Full-time
- Azure
- System design
- Mid-level
- Health insurance
- Dental insurance
Quick Apply
7d
Networking Systems Administrator (Windows), Senior
Navstar, Inc. —Annapolis Junction, MD
- $125,000 - $240,000 a year
- On call
- Computer Science
- 5 years
- Bachelor of Science
- Paid holidays
- Disability insurance
Application Database Administrator (Senior)
Interclypse, Inc. —Annapolis Junction, MD
- Full-time
- Azure
- 6 years
- Computer Science
- Paid jury duty
- Health savings account
Systems Administrator 1
DCCA —Annapolis Junction, MD
- 5 years
- Bachelor's degree
- Linux
- Health insurance
- 401(k)
Application Administrator, Senior (Top Secret)
Praescient Analytics —Fairfax, VA
- Online Application
- Windows
- Continuous improvement
- Linux
- Paid holidays
- Tuition reimbursement
Quick Apply
6d
Cloud Database Administrator - AWS
IBR (Imagine Believe Realize) —Suitland, MD
- $115,000 - $160,000 a year
- Full-time
- Hybrid work
- Background check
- 5 years
- Office
- Wellness program
- Health savings account
Quick Apply
10d

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Windows Systems Administrator

Leidos -
Arlington, VA

Apply Now

Job Details

Full-time
$73,450 - $132,775 a year
3 days ago

Qualifications

GPO
Windows
Software installation
Virtualization tools
Computer hardware
Computer management
Remote access software
Server virtualization
Remote desktop tools
PowerShell
Shell Scripting
Active Directory management

Full Job Description

Description

Job Description

Seeking a career with a sense of purpose, work life balance, and growth opportunities? There’s a place for you at Leidos!

We are currently seeking a Windows Systems Administrator to join the Compartmented Enterprise Services Office (CESO) effort. This program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population. Apply today to become part of the Leidos team that is assisting CESO as they migrate to a high security cloud environment by providing network and communication services, monitoring services, and system administration.

This position is based in Arlington, VA and is 100% on-site. 2nd Shift hours are Monday-Friday, 12pm-8pm.

Primary Responsibilities

Create, maintain, and implement detailed documentation for standard systems operating procedures to be used across the enterprise.
Develop, implement, and monitor policies and standards for allocation related to the use of computing resources.
Analyze available hardware and software from outside vendors and make recommendation for purchase and installation of cost-effective solutions.
Review work performed by lower-level technical staff.
Work both independently as well as in coordination with network
administrators to maintain the smooth operation of a multi-user computer system.

Basic Qualifications

Bachelor's degree and 4+ years of overall related experience with a Windows servers environment (e.g. 2008r2 and 2012r2). Additional experience, education and training may be considered in lieu of degree.
An active TS/SCI security clearance is required for this position.
Currently possess DoD 8750 certification at least IAT level II, e.g Security+ce.
Candidate may be asked to obtain CI Poly in future
Experience with configuration, troubleshooting and maintaining VMware environments.
Experience with Remote Desktop Services
Experience with PowerShell scripting and experience in other languages like Python.
Experience with application of security settings and other commercial best practices such as DISA STIGS.
Experience with Security Content Automation Protocol (SCAP)
Experience with Group Policy Management (GPO) and applying Local Security Policies
Experience with Windows Task Scheduler
Experience Managing Active Directory
Experience with System (hardware) and application (software) installation and configuration.
Application of security settings and other commercial best practices such as DISA STIGS.

Preferred Qualifications

Prior experienced with DISA and DISA’s support to mission partners
TS/SCI w/CI Poly Preferred
Integration of Network Management (NM) and Element Management (EM) systems with network performance, trouble ticketing, and security subsystems highly desired.
Experience with support systems to include enclave Ethernet switches, storage area networks (SAN), and network attached storage (NAS).
Candidates with a thorough knowledge of networking principles to included TCP/IP a plus.
Experience with a ticketing system such as BMC Remedy.
ITIL v3 Foundation certified
Linux OS experience.
Solaris OS experience.
Experience working with virtual environments.

Why Leidos?

At Leidos, we are dedicated to making the world safer, healthier, and more efficient through technology, engineering, and science. You would be a valued member of global team providing services across civil, defense, health and intelligence business lines. At Leidos, team member career development, flexibility, and well-being are priority and is supported by consistent leadership engagement, an experienced human relations staff, and numerous employee development and enrichment programs. Use your unique talents and make an immediate impact! Apply today!

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

July 17, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $73,450.00 - $132,775.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Apply Now

Refine Your Search

Linux Administrator jobs in Mclean, VA

Windows Systems Administrator

Cloud Systems Administrator - Jr. Level

Sr. Windows System Administrator

Windows System Administrator

Desktop Systems Engineer - TS/SCI with Polygraph

Programmer/Systems Administrator

Application Administrator (Top Secret)

Network Operations Administrator

DevOps Engineer and System Administrator, Senior

SharePoint Administrator (cleared)

Kubernetes Administrator

Network & Information Systems Administrator

Splunk Administrator

Network Deploy Technician III, Global Network Delivery (GND)

Network Administrator

Networking Systems Administrator (Windows), Senior

Application Database Administrator (Senior)

Systems Administrator 1

Application Administrator, Senior (Top Secret)

Cloud Database Administrator - AWS

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