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System Administrator Jobs in Reston, VA (NOW HIRING)

Agelix Consulting

System Administrator

Washington, DC · On-site

System Administrator Washington DC Clearance: Public Trust Clearance or Above Experience: Minimum 5 years' experience with mid-level and senior level as a System Administrator with experience with ...

Beyond SOF

System Administrator

Reston, VA · On-site

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 ...

Terrestris LLC

System Administrator

Washington, DC · On-site +1

We are seeking a System Administrator for the IT Technology Services contract. This project will provide IT service desk, systems, network, and security operations support for Federal Prison ...

Infotech Sourcing

System Admininistrator

Ashburn, VA · On-site

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 ...

Infotech Sourcing

System Admininistrator

Ashburn, VA · On-site

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 ...

Beyond SOF

System Administrator

Reston, VA · On-site

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 ...

The AES Group

System Administrator

Fort Belvoir, VA · On-site

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 ...

Straffic

System Administrator

Vienna, VA · On-site

System Administrator Department:Management Reports To:Head of Corporate Services Location:Vienna, Virginia FLSA Status:Exempt Employment Type:Full-time Experience Level:Mid-level (35 years) Position ...

Pathoras Old Boggart

System Administrator

Mclean, VA

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 ...

Cymertek

System Administrator

Chantilly, VA · On-site

System Administrator LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a proactive and detail-oriented ...

Cymertek

System Administrator

Reston, VA · On-site

System Administrator LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a proactive and detail-oriented System ...

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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 Jul 27, 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 are System Administrators?

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 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.

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 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 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.
More about System Administrator jobs
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:
System Administrator jobs near you
Infographic showing various System Administrator job openings in Reston, VA as of July 2026, with employment types broken down into 94% Full Time, 3% Part Time, and 3% Temporary. Highlights an 89% In-person, and 11% Remote job distribution, with an average salary of $92,516 per year, or $44.5 per hour.

System Administrator

Terrestris Global Solutions

Washington, DC

Full-time

Medical, Retirement, PTO

Posted 22 days ago

Job description

Are you looking for a Challenge? Looking for an innovative organization and the opportunity to learn and grow professionally? We can help! We are seeking a System Administrator for the IT Technology Services contract. This project will provide IT service desk, systems, network, and security operations support for Federal Prison Industries (UNICOR), supporting end users, Microsoft infrastructure, and mission-critical business systems in hybrid work environments. This position is remote/hybrid; candidates must be willing to work on-site at the Central UNICOR office in Washington, DC when required; work hours are from Monday to Friday, 8 hours per day. Travel to remote locations is required. This position is contingent upon contract award.

I've never heard of Terrestris. What do you do?

At Terrestris, we leverage technology to create better mission outcomes through better human performance. We form strong client and team relationships through transparency and strive to create an environment where our team can let their excellence shine through. By finding, developing, and incorporating new ideas, we provide memorable services. Rooted in the USMC values of honor, courage, and commitment, Terrestris seeks to deliver extraordinary value to the American people by helping the Government become more efficient and effective.

So, what will the System Administrator at Terrestris do?

As the System Administrator you will be a key person for the IT Technology Services contract. This position is responsible for managing Information Technology infrastructure systems operating in a Microsoft Windows environment.

What does a typical day look like for a System Administrator?

You will:

  • Perform all duties assigned to Level I Technicians, including user workstation support for desktops, laptops, 10Zig zero clients, and mobile thin clients.
  • Manage user and system accounts across Microsoft Windows infrastructure environments.
  • Troubleshoot workstations and servers operating in both physical and virtual environments.
  • Install hardware, software, and system updates to support operational requirements.
  • Configure Windows operating systems and maintain system settings in accordance with approved standards.
  • Perform patch management activities to ensure systems remain current and secure.
  • Assess and remediate vulnerabilities by identifying risks and implementing corrective actions.
  • Configure and troubleshoot workstation peripherals while providing technical support at remote locations as required.

What qualifications do you look for?

You might be the professional we're looking for if you have:

  • Authorization to work in the United States permanently without sponsorship.
  • Ability to obtain Public Trust Clearance.
  • A minimum of (5) years of IT experience.
  • Certifications: CompTIA A+, CompTIA Network+, Microsoft Certified Professional (MCP) and Microsoft Certified Systems Administrator (MCSA) certifications can be substituted for 2 years of IT work experience.

What kind of benefits does Terrestris Offer?

We offer outstanding benefits including health, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, and work-life programs. Our award programs acknowledge employees for exceptional performance and superior demonstration of our service standards. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in our benefit programs. Other offerings may be provided for employees not within this category.

Terrestris is an Equal Opportunity Employer (EOE). Qualified applicants are considered for employment without regard to age, race, color, religion, sex, national origin, sexual orientation, disability, or veteran status. Applicants must be authorized to work in the U.S.

DILBERT 2018 Scott Adams. Used By permission of ANDREWS MCMEEL SYNDICATION.

All rights reserved.

Employment Type: FULL_TIME

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