Top 1578 Application Administrator Jobs in Reston, VA

Systems Administrator
General Dynamics Information Technology —Fairfax, VA
- $79,900 - $108,100 a year
- Hybrid work
- Computer science
- Computer Science
- Mid-level
- Paid time off
- 401(k) matching
Administrative/School Finance Assistant
Fairfax County Public Schools —Fairfax County, VA
- $55,342 - $95,754 a year
- Full-time
- Writing skills
- English
- Research
3d
Administrative Clerk
Monumental Pest Control —Sterling, VA
- $18 - $25 an hour
- Part-time
- Hybrid work
- Bilingual
- Google Workspace
- Computer literacy
- Health insurance
- Dental insurance
Quick Apply
3d
Administrative Assistant
Systems Planning and Analysis —Alexandria, VA
- $38.46 - $43.27 an hour
- Full-time
- Office
- High school diploma or GED
- 1 year
- Health savings account
- Disability insurance
Executive Administrator
Lockheed Martin Corporation —Arlington, VA
- $71,600 - $126,155 a year
- Weekends as needed
- Microsoft Outlook
- 5 years
- Word processing
- Paid jury duty
- Paid holidays
Administrative Assistant
Northrop Grumman —McLean, VA
- $66,600 - $111,000 a year
- Overtime
- Microsoft Excel
- Microsoft Outlook
- Office
- Travel reimbursement
- Paid holidays
21h
Administrative Assistant I
Fairfax County Public Schools —Fairfax County, VA
- $49,769 - $86,111 a year
- Full-time
- Classroom
- High school
- Writing skills
3d
Administrative Assistant - Hybrid
SWIFT Financial Messaging Services —Manassas, VA
- $59,343 - $110,209 a year
- Full-time
- Customer service
- Mid-level
- Office
- Health insurance
- Dental insurance
Office Administrator
Pueo Business Solutions LLC —McLean, VA
- Full-time
- Microsoft Excel
- Microsoft Outlook
- Office
Clinical Testing Administrator - Psychometrist
Leidos —Chantilly, VA
- $73,450 - $132,775 a year
- Full-time
- Bachelor of Science
- Medical office experience
- Mid-level
Administrative Coordinator
RTX Corporate —Arlington, VA
- $47,700 - $90,900 a year
- Full-time
- High school
- Office
- High school diploma or GED
- Paid parental leave
- Paid holidays
Junior Database Adminstrator
Absolute Business Solutions Corp —Alexandria, VA
- $70,000 - $90,000 a year
- 8 hour shift
- Mid-level
- 3 years
- Analysis skills
- Paid time off
- 401(k) matching
Administrative Assistant Level 3 or 4
Northrop Grumman —Dulles, VA
- $56,000 - $111,000 a year
- Overtime
- Microsoft Excel
- Microsoft Outlook
- Mid-level
- Paid holidays
- Disability insurance
10d
Senior Administrative Coordinator
RTX Corporate —Arlington, VA
- $58,400 - $111,000 a year
- Full-time
- Microsoft Excel
- 6 years
- High school
- Paid parental leave
- Paid holidays
Program Assistant
Population Services International —Washington, DC
- $21 - $29 an hour
- Full-time
- Remote
- Background check
- Microsoft Office
- US work authorization
- Health insurance
Mission Support Administrator
Markon —Chantilly, VA
- $80,000 - $95,000 a year
- Full-time
- Writing skills
- Mid-level
- Office
- Paid holidays
- Disability insurance
Administrative Assistant II
Fairfax County Public Schools —Fairfax County, VA
- $55,342 - $95,754 a year
- Full-time
- High school
- Writing skills
- English
2d
Part-Time Program Coordinator
American Society of Civil Engineers (ASCE) —Reston, VA
- Part-time
- Hybrid work
- Mid-level
- Administrative experience
- Bachelor's degree
- Work from home
Quick Apply
Principal Support Administrator
Core One —McLean, VA
- Microsoft Excel
- Microsoft Outlook
- Writing skills
Research Administrator, Post Award
George Mason University —Fairfax, VA
- Online Application
- Customer service
- High school diploma or GED
- Analysis skills

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Systems Administrator

General Dynamics Information Technology -
Fairfax, VA

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Job Details

$79,900 - $108,100 a year

Benefits

Internal mobility program
Paid time off
401(k) matching

Qualifications

Linux support
IT system monitoring
High availability architecture
Data recovery
Server backup and recovery
DHCP
DNS
Data backup
Windows support
Capacity planning
Shell Scripting
High availability
System performance monitoring

Full Job Description

Your Impact

Own your opportunity to work alongside federal civilian agencies. Make an impact by providing services that help the government ensure the well being and support of U.S. citizens.

Job Description

SYSTEMS ADMINISTRATOR

Advance how our customers operate while you advance your career. Join GDIT as a Systems Administrator and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.

MEANINGFUL WORK AND PERSONAL IMPACT
As a Junior Systems Administrator, the work you’ll do at GDIT will be impactful to the mission of Homeland Security Task Force. You will play a crucial role in carrying forward the mission to target, disrupt, and dismantle priority Transnational Criminal Organizations and cartels.

Support Windows and Linux systems across on-premises and virtual environments with a potential to migrate to cloud
Help ensure availability, performance, and security of systems and data in accordance with contract, security, and compliance requirements
Utilize Windows and Linux administration skills, develop scripts and drive DevSecOps methodology of the customer mission

Essential Duties and Responsibilities

Assist with installation, configuration, and maintenance of Windows and Linux servers in physical and virtual environments supporting law enforcement missions.
Support administration of Active Directory and other core services (DNS, DHCP, file/print, identity).
Monitor on‑premises for health, performance, and capacity; assist in troubleshooting incidents to maintain high availability and meet SLAs.
Perform routine maintenance, including OS patching, software updates, and basic backup operations, following customer change management and approval processes.
Assist with planning and executing system upgrades, migrations, and deployments in data centers, ensuring minimal impact to mission operations.
Apply and verify security patches, hardening baselines, and configuration standards for Windows, and Linux resources in alignment with applicable law enforcement, DoD, and GDIT security policies.
Implement and follow established security controls (e.g., least privilege, role‑based access, MFA, logging/monitoring) to protect systems and sensitive law enforcement data.
Support security audits, inspections, and assessments by providing system and cloud environment data and implementing remediation steps as directed.
Support backup, restore, and continuity procedures for on‑premises and virtualized environments; assist in periodic testing to validate data integrity and availability.
Contribute to development and maintenance of disaster recovery plans for critical systems and law enforcement applications; participate in DR and business continuity exercises.
Provide tier‑1/2 support to users and IT staff for hardware, software, and system issues, including mission‑critical law enforcement applications and tools.
Maintain accurate, access‑controlled documentation of system configurations, architectures, procedures, and changes to meet audit and chain‑of‑custody requirements.
Assist in generating reports on system performance, capacity utilization, patch and compliance status, and security events relevant to the law enforcement environment.
Coordinate with security, network, database, application, and cloud teams to support secure and compliant delivery of IT services to the law enforcement customer.
Follow all applicable physical, personnel, and information security procedures for cleared environments, including incident and adverse information reporting as required.
May assist in drafting or updating IT procedures and job aids to reflect customer‑specific and classified environment requirements.
Perform additional duties as assigned.

WHAT YOU’LL NEED TO SUCCEED
Bring your technology expertise and drive for innovation to GDIT. The Systems Administrator must have:

Education: Bachelor's Degree in Computer Science, Information Systems or a related field
Experience: 1+ years of related experience, degree may be substituted with equivalent years of training
Technical skills: Windows, Linux administration, shell scripting, ManageEngine monitoring, supporting users and systems in secure or regulated environments preferred, exposure to cloud services.

Security clearance level: Active Secret clearance required
US citizenship required
Role requirements: Active Directory, DNS, DHCP, system health monitoring, backup, restore, capacity planning, troubleshoot incidents to maintain high availability and meet SLAs

GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.

Growth: AI-powered career tool that identifies career steps and learning opportunities
Support: An internal mobility team focused on helping you achieve your career goals
Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
Flexibility: Full-flex work week to own your priorities at work and at home - hybrid
Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY
Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

Work Requirements

Years of Experience

1 + years of related experience

may vary based on technical training, certification(s), or degree

Certification

CompTIA Linux+ CE | CompTIA - CompTIA

Microsoft Certified: Azure Administrator Associate (AZ-104) | Microsoft - Microsoft

Travel Required

None

Citizenship

U.S. Citizenship Required

Salary and Benefit Information

The likely salary range for this position is $79,900 - $108,100. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.
View information about benefits and our total rewards program.

Our Identity Verification Process

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 virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.

Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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Refine Your Search

Application Administrator jobs in Reston, VA

Systems Administrator

Administrative/School Finance Assistant

Administrative Clerk

Administrative Assistant

Executive Administrator

Administrative Assistant

Administrative Assistant I

Administrative Assistant - Hybrid

Office Administrator

Clinical Testing Administrator - Psychometrist

Administrative Coordinator

Junior Database Adminstrator

Administrative Assistant Level 3 or 4

Senior Administrative Coordinator

Program Assistant

Mission Support Administrator

Administrative Assistant II

Part-Time Program Coordinator

Principal Support Administrator

Research Administrator, Post Award

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