Top 1062 Site System Administrator Jobs in Reston, VA

Windows System Administrator
Booz Allen Hamilton —McLean, VA
- $77,600 - $176,000 a year
- Full-time
- Mid-level
- Office
- High school diploma or GED
- Health insurance
- Flexible spending account
5d
Service Desk Administrator/Help Desk Specialist - DOJ EOIR End User Support
ITC Federal, Inc. —Falls Church, VA
- $55,000 - $60,000 a year
- Weekends as needed
- Hybrid work
- Mid-level
- Office
- Windows
- Paid holidays
- Health insurance
IT Services - Support Technician
Everforth ECS —Fairfax, VA
- $27.50 - $34.50 an hour
- Mid-level
- Office
- Windows
Senior Business Analyst (Salesforce/Fonteva)
American Retirement Association —Arlington, VA
- $110,000 - $115,000 a year
- Full-time
- Hybrid work
- PMP
- Salesforce
- 3 years
- Profit sharing
- Health savings account
Quick Apply
VP, ASC Operations
Prism Vision Group —Chevy Chase, MD
- $175,000 - $275,000 a year
- Up to 50% travel
- RN License
- Surgery
Senior Virtualization/Storage Engineer
Leidos —Fort Belvoir, VA
- $92,300 - $166,850 a year
- Full-time
- 6 years
- System design
- Master's degree
Office Administrator
Atlantic Contracting & Material Co, Inc —Chantilly, VA
- $18 - $22 an hour
- Full-time
- Spanish
- 5 years
- Writing skills
- Health insurance
- Dental insurance
Quick Apply
11d
LPN Needed-School Transport/Part time
PS2G —Washington, DC
- $30 - $35 an hour
- Temporary
- CPR Certification
- Management
- Medication administration
- Health insurance
- Dental insurance
Quick Apply
Senior Territory Account Manager
Biocon Biologics Limited —Washington, DC
- $140,000 - $160,000 a year
- Weekends as needed
- Background check
- 7 years
- Hospital
- Travel reimbursement
- Disability insurance
Quick Apply
Director of Admissions
Fusion Academy —Reston, VA
- $70,000 - $80,000 a year
- Full-time
- Background check
- Marketing
- Business development experience
- Commuter assistance
- Paid holidays
Manager, Diversion Services
EVERYMIND INC —Rockville, MD
- $71,000 - $83,000 a year
- Weekends as needed
- Office
- 3 years
- Ability to climb stairs
- Disability insurance
- Health insurance
PostgreSQL Database Analyst
General Dynamics Information Technology —Springfield, VA
- $125,800 - $170,200 a year
- Urgently hiring
- Computer Science
- 5 years
- Office
- Paid time off
- 401(k) matching
Network Administrator
CGI Group, Inc. —Arlington, VA
- $100,000 - $200,000 a year
- Mid-level
- Bachelor's degree
- 2 years
- Paid parental leave
- Paid holidays
VDI Engineer
General Dynamics Information Technology —Springfield, VA
- $115,600 - $156,400 a year
- 7 years
- DevOps
- Windows
- Paid time off
- 401(k) matching
12d
DevOps Software Engineer - TS/SCI Cleared
Leidos —Bethesda, MD
- $107,900 - $195,050 a year
- Full-time
- Computer science
- Engineering
- 8 years
- Flexible schedule
Construction Project Manager-Federal & Commercial
TST Construction —Manassas, VA
- $110,000 - $125,000 a year
- Full-time
- Background check
- Construction site
- Mid-level
- Fuel card
- Health savings account
Quick Apply
ServiceNow Portal Administrator, Senior
CGI Group, Inc. —Arlington, VA
- $100,000 - $200,000 a year
- Analysis skills
- Bachelor's degree
- Scripting
- Paid parental leave
- Paid holidays
Database Administrator, Senior
CGI Group, Inc. —Arlington, VA
- $100,000 - $180,000 a year
- 5 years
- Maintenance
- Analysis skills
- Paid parental leave
- Paid holidays
Senior Linux System Administrator
Leidos —Alexandria, VA
- $107,900 - $195,050 a year
- Full-time
- 5 years
- Office
- Master's degree
Platform Operations Manager
Leidos —Bethesda, MD
- $154,050 - $278,475 a year
- Full-time
- Computer science
- Computer Science
- Bachelor of Science
- Flexible schedule

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Windows System Administrator

Booz Allen Hamilton -
McLean, VA

Apply Now

Job Details

Full-time
$77,600 - $176,000 a year
5 days ago

Benefits

Health insurance
Flexible spending account
Tuition reimbursement
Retirement plan

Qualifications

Government information & network security
Server optimization
Linux support
Tooling
IT system monitoring
System performance optimization
Operating system updates
High school diploma or GED
Patch management
Windows support
Application Maintenance
Network monitoring tools
Windows Server administration
DevOps automation
Server management automation
Linux administration
Production troubleshooting
System performance monitoring

Full Job Description

Windows System Administrator

The Opportunity:

As a Windows Systems Administrator, you will support the reliability, security, and day-to-day operations of enterprise infrastructure within the Department of Veterans Affairs’ Informatics and Computing Infrastructure (VINCI) environment. You will administer, monitor, maintain, and troubleshoot Windows-centric enterprise systems, while supporting related Linux dependencies, storage platforms, backup solutions, and reporting tools that enable mission-critical applications and data services.

In this role, you will support system administration activities across lower environments and assist with production stability as needed. You will help maintain system configurations, perform patching and lifecycle updates, monitor system health and capacity, troubleshoot operational issues, and document procedures that support continuity of operations.

You will work with application teams, infrastructure engineers, and security stakeholders to ensure systems remain available, secure, compliant, and well-maintained. This includes supporting automation, configuration management, and operational improvements that enhance stability, security, and operational efficiency across the VINCI environment. This may include assisting with infrastructure-as-code workflows, automated build and deployment activities, monitoring integrations, patching, vulnerability remediation, and system hardening aligned with federal or enterprise security standards.

Join us. The world can’t wait.

You Have:

4+ years of experience administering and supporting Windows systems, including system configuration, troubleshooting, patching, and lifecycle management
Experience supporting Linux systems or Linux-based application dependencies in an enterprise environment
Experience administering Windows-based enterprise systems and monitor availability, utilization, performance, and capacity
Experience with enterprise monitoring, reporting, or support tools, including SolarWinds, HP Report Optimizer, Crystal Reports, or HP Insight Remote Support
Experience supporting automation or scripting activities using tools such as PowerShell, Bash, Azure DevOps, or Jenkins
Ability to support infrastructure-as-code, configuration management, or automated deployment workflows for server configurations, patches, baselines, or environment-specific parameters
Ability to perform regular patching, vulnerability remediation, system hardening in accordance with federal or enterprise security standards, document system configurations, operational procedures, and troubleshooting steps
Ability to work independently with application, infrastructure, and security teams to troubleshoot issues and support operational needs
Ability to obtain and maintain a Public Trust or Suitability/Fitness determination based on client requirements
HS diploma or GED

Nice If You Have:

Experience supporting enterprise infrastructure environments, including servers, storage, backup, and monitoring platforms
Experience supporting regulated or government environments, including compliance with federal security and audit requirements
Experience administering RHEL, CentOS, and Linux-based SAS 9.x environments
Experience supporting Hadoop 3.x platforms in enterprise or analytical environments
Experience with Microsoft Forefront Threat Management Gateway (TMG) and enterprise perimeter security controls
Knowledge of storage networking concepts, SAN architectures, and performance optimization
Ability to maintain and troubleshoot IIS-based application hosting, including bindings, SSL management, and application pool health
Ability to develop and maintain PowerShell DSC, GPO templates, and baseline configuration modules that feed into automated deployment workflows
Ability to integrate Windows systems into automated configuration drift detection, compliance reporting, and remediation pipelines
Possession of strong scripting and automation skills using tools such as PowerShell and Bash

Vetting:

Applicants selected will be subject to a government investigation and may need to meet eligibility requirements of the U.S. government client.

Compensation

At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.

Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $77,600.00 to $176,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen’s total compensation package for employees. This posting will close within 90 days from the Posting Date.

Identity Statement

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.

Candidate AI Usage Policy

AI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided.

Work Model
Our people-first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.

Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility.
Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility.
Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.

Apply Now

Refine Your Search

Site System Administrator jobs in Reston, VA

Windows System Administrator

Service Desk Administrator/Help Desk Specialist - DOJ EOIR End User Support

IT Services - Support Technician

Senior Business Analyst (Salesforce/Fonteva)

VP, ASC Operations

Senior Virtualization/Storage Engineer

Office Administrator

LPN Needed-School Transport/Part time

Senior Territory Account Manager

Director of Admissions

Manager, Diversion Services

PostgreSQL Database Analyst

Network Administrator

VDI Engineer

DevOps Software Engineer - TS/SCI Cleared

Construction Project Manager-Federal & Commercial

ServiceNow Portal Administrator, Senior

Database Administrator, Senior

Senior Linux System Administrator

Platform Operations Manager

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