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System Administrator Jobs in Reston, VA (NOW HIRING)

System Administrator

Herndon, VA · On-site

$92K - $166K/yr

The System Administrator provides hand-on support for the IT infrastructure and technical assistance and support as needed to on-site administrators supporting the other two environments. Description ...

System Administrator

Chantilly, VA · On-site

$125 - $150/hr

The System Administrator provides hand-on support for the IT infrastructure and technical assistance and support as needed to on-site administrators supporting the other two environments. Description ...

System Administrator Reston, VA, USA Full-time Clearance: Top Secret/SCI As a systems administrator on our program, you will: • Provide resolve break fix tickets and ensure customers receive the ...

Security System Administrator Location: Ashburn, VA Summary The Security Systems Administrator is responsible for the day-to-day administration, maintenance, and support of our global physical ...

System Administrator

Reston, VA · On-site

$100 - $125/hr

System Administrator Reston, VA, USA Full-time Clearance: Top Secret/SCI As a systems administrator on our program, you will: * Provide resolve break fix tickets and ensure customers receive the ...

Security System Administrator Location: Ashburn, VA Summary The Security Systems Administrator is responsible for the day-to-day administration, maintenance, and support of our global physical ...

Security System Administrator Location: Ashburn, VA Summary The Security Systems Administrator is responsible for the day-to-day administration, maintenance, and support of our global physical ...

System Administrator Location: Fort Belvoir, VA 22060 Let's create our future together at The AES Group! About The AES Group The AES Group is a premier technology and engineering consulting company ...

System Administrator

Washington, DC · On-site

$140K - $150K/yr

Our client is looking to add a System Administrator to their team supporting a federal facility in Washington, DC. This is a full-time, five (5) day per week onsite position requiring an active or ...

Summary/Objective The system administrator provides support to critical systems to ensure computer systems are stable and available when needed. The position is responsible for maintaining current ...

System Administrator Department: Management Reports To: Head of Corporate Services Location: Vienna, Virginia FLSA Status: Exempt Employment Type: Full-time Experience Level: Mid-level (3-5 years ...

System Administrator Location: Washington, D.C. (Onsite) Terms: Full-time Salary: 100,000 - 130,000 DOE Clearance: Active Top Secret with SCI eligibility Travel: Position Description We have an ...

System Administrator Location: Washington, D.C. (Onsite) Terms: Full-time Salary: 100,000 - 130,000 DOE Clearance: Active Top Secret with SCI eligibility Travel: Position Description We have an ...

System Administrator Location: Washington, D.C. (Onsite) Terms: Full-time Salary: 100,000 - 130,000 DOE Clearance: Active Top Secret with SCI eligibility Travel: Position Description We have an ...

System Administrator Location: Washington, D.C. (Onsite) Terms: Full-time Salary: 100,000 - 130,000 DOE Clearance: Active Top Secret with SCI eligibility Travel: Position Description We have an ...

System Administrator Location: Washington, D.C. (Onsite) Terms: Full-time Salary: 100,000 - 130,000 DOE Clearance: Active Top Secret with SCI eligibility Travel: Position Description We have an ...

Showing results 21-40

System Administrator information

See Reston, VA salary details

$42.7K

$92.5K

$143.1K

How much do system administrator jobs pay per year?

As of Sep 8, 2026, the average yearly pay for system administrator in Reston, VA is $92,516.00, according to ZipRecruiter salary data. Most workers in this role earn between $72,800.00 and $108,200.00 per year, depending on experience, location, and employer.

What is a system administrator?

System Administrators, often called sysadmins, are IT professionals responsible for installing, configuring, maintaining, and supporting computer systems and servers within an organization. They ensure that networks and systems run efficiently and securely, manage user accounts, oversee backups, and troubleshoot hardware and software issues. System Administrators play a key role in maintaining system uptime, implementing security protocols, and updating systems to prevent vulnerabilities. Their work is critical for the smooth and secure operation of a company's IT infrastructure.

What does a system administrator do?

The job of a System Administrator is to assume a range of IT responsibilities and technical services for your company’s internet and intranet presence. This will include such duties as installing anti-virus and malware protection software, undertaking regular systems maintenance, and troubleshooting problems. Additional duties can include serving as a digital technology information resource for employees and consulting with company leaders on the possible adoption of new technologies. Aside from this, you might be asked to evaluate and boost network system performance, make needed upgrades and repairs, and add approved users to the network and train them in proper usage.

What are the key skills and qualifications needed to thrive as a system administrator, and why are they important?

To thrive as a System Administrator, you need a solid understanding of computer networks, operating systems (Windows, Linux), and troubleshooting, often backed by a degree in IT or related certifications like CompTIA Network+ or Microsoft Certified: Azure Administrator Associate. Familiarity with tools such as Active Directory, virtualization platforms, backup solutions, and monitoring systems is typically required. Strong problem-solving, attention to detail, and effective communication skills help you manage incidents and work with diverse teams. These abilities ensure reliable system performance, minimize downtime, and support seamless business operations.

What are some common challenges system administrators face when managing a large IT infrastructure, and how can these be addressed?

System Administrators often encounter challenges such as ensuring system security, managing software updates across numerous devices, and troubleshooting network issues in large-scale environments. Keeping up with rapidly evolving technology and balancing routine maintenance with unexpected incidents can be demanding. Effective solutions include automating repetitive tasks, implementing robust monitoring tools, and regularly communicating with other IT team members to proactively address potential problems. Continuous learning and staying current with best practices in cybersecurity and system management are also essential for long-term success in this role.

What is the difference between System Administrator vs Network Administrator?

AspectSystem AdministratorNetwork Administrator
CertificationsCompTIA Server+, Microsoft Certified: Windows Server FundamentalsCompTIA Network+, Cisco CCNA
Work EnvironmentManage servers, operating systems, and internal IT infrastructureFocus on network hardware, configurations, and connectivity
ResponsibilitiesMaintain servers, troubleshoot OS issues, manage backupsConfigure routers/switches, monitor network performance, ensure security

While both roles support IT infrastructure, System Administrators primarily manage servers and operating systems, whereas Network Administrators focus on network hardware and connectivity. They often collaborate but have distinct technical focuses within an organization.

How much do system administrators make?

System administrators typically earn a median annual salary of around $70,000 to $90,000, depending on experience, certifications, and location. Entry-level roles may start lower, while experienced administrators with specialized skills or certifications like CompTIA or Cisco can earn higher salaries. Salaries can also vary based on the size and industry of the organization.

How much is the salary of a system administrator?

The average salary of a system administrator varies by experience and location but typically ranges from $50,000 to $85,000 annually in the United States. Entry-level positions may start lower, while experienced administrators with certifications like CompTIA or Cisco can earn higher salaries, especially in larger organizations or tech hubs.

What are the most commonly searched types of System Administrator jobs in Reston, VA?

The most popular types of System Administrator jobs in Reston, VA are:

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

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

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

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

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

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

Infographic showing various System Administrator job openings in Reston, VA as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 16% Part Time, 1% Temporary, and 2% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $92,516 per year, or $44.5 per hour.

System Administrator

Leidos

Herndon, VA • On-site

$92K - $166K/yr

Full-time

Medical, Retirement, PTO

Posted 13 days ago


Leidos rating

8.3

Company rating: 8.3 out of 10

Based on 153 frontline employees who took The Breakroom Quiz

81st of 500 rated business services


Job description

Description

The Digital Modernization Sector at Leidos has an opening for a System Administrator to support the Intelligence Community in providing technical support for the customer’s system test and integration lab, and customer production environment. The System Administrator provides hand-on support for the IT infrastructure and technical assistance and support as needed to on-site administrators supporting the other two environments.

Description of Job Duties/Responsibilities:

  • Excellent writing skills required for preparing documentation and other technical deliverables.
  • Ability to troubleshoot Cisco and Juniper switches and routers.
  • Uses MicroFocus/OpenText and HP Network Monitoring tools.
  • Organizes and directs the configuration and operation of information management systems.
  • Provides the day-to-day system administration to include system and resource optimization, and user assistance.
  • Maintains servers and create and review monitoring reports and logs.
  • Performs daily system monitoring, verifying the integrity and availability of all hardware, server resources, system and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups.
  • Provides hands-on guidance and training to. more junior staff.
  • Applies OS patches for RHEL and Windows servers.
  • Runs configuring/adding new services.
  • Conducts ongoing performance tuning, hardware upgrades, and resource, and optimization, as required.
  • Conducts CPU configuration, memory and disk partitions, as required.
  • Performs regular security monitoring to identify vulnerabilities and any possible intrusions.
  • Sets up and manages frequent and regular (at least daily) backup operations, ensuring that all required file systems and system data are successfully backed up to appropriate media, plus creates recovery tapes or disks; performs regular file archive and purge, as necessary.

Required Qualifications

  • TS SCI CI poly
  • Candidate must have 12 years of experience that can be a combination of work history and education. This equates to a Doctorate and 4 years, master’s and 6 years, bachelor’s and 8 years, associates and 10 years or HS diploma and 12 years.
  • Compliance with Department of Defense (DoD) 8570 Information Assurance Technical (IAT) Level 2.
  • Must be able to process and analyze information and trouble calls submitted by a customer (e.g., system administrator, developer, security specialist), make determinations, provide and implement solutions.
  • Must be able to work with minimal supervision to perform complex technical tasks.
  • Must be able to troubleshoot network routing and router/switches.
  • Build and O&M of Linux RHEL systems, Build and O&M of MS Windows Server systems, Build and O&M of virtual environment that includes virtual servers and virtual routers, Build and O&M Oracle Servers.
  • Build and O&M of multiple Network Management applications, Build and O&M of VCenter which includes the O&M of VM templates, Build and O&M of ESXi hosts, Build and O&M of hardware.
  • Understanding of DoD Risk Management Framework (RMF) information security requirements, standards, and best practices; DIACP compliancy with Retina, DISA STIG and IAVA patch management.
  • Perform multiple tasks concurrently and respond to emergency effectively.
  • Proficient in use of Microsoft Office suite.
  • Increase system administrator efficiency and accuracy via the use of automated tools and scripts, develop system administrator procedures, and conduct system administrator training and skills assessment
  • Conduct capacity and performance analysis, and provides system configuration change and upgrade recommendations.
  • Determine computer user needs; analyze system capabilities and programming techniques and controls.
  • Manage the daily activities of configuration and operation of systems and perform system capacity analysis and planning.

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:August 26, 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 $92,300.00 - $166,850.00

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 LeidosCareersFraud@leidos.com.

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.


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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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