Top 106 System administrator Jobs in Dahlgren, Va

Network Administrator
Agile Defense —Quantico, VA
- $150,000 - $160,000 a year
- System design
- Bachelor's degree
- Scripting
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Systems Administrator (Journeyman)
Agile Defense —Quantico, VA
- Computer science
- Computer Science
- Inventory management
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Network & Cloud Systems Administrator (Azure)
Resource Management Concepts, Inc. —Dahlgren, VA
- $95,000 - $140,000 a year
- Full-time
- Mid-level
- Windows
- 3 years
- Paid holidays
- Relocation assistance
Quick Apply
Linux Server Administrator
MANTECH —Quantico, VA
- Full-time
- Azure
- Computer Science
- Office
10d
System Administrator
MANTECH —Quantico, VA
- Full-time
- Mid-level
- Office
- Windows
10d
Systems Administrator (Windows)
Astrion —Dahlgren, VA
- $100,000 - $110,700 a year
- Full-time
- Computer Science
- Mid-level
- 3 years
5d
Systems Administrator
H2L Solutions Inc —Dahlgren, VA
- Full-time
- Background check
- Mid-level
- Office
- Disability insurance
- Health insurance
Systems Administrator (Windows)
Bowhead —Dahlgren, VA
- $70,000 - $80,000 a year
- Full-time
- Ability to walk for extended periods
- Bachelor of Science
- Mid-level
6d
Systems Administrator
Future Technologies, Inc. —King George, VA
- $95,000 - $125,000 a year
- Email
- Computer science
- Computer Science
- 5 years
Senior Windows Systems Administrator
The Tatitlek Corporation —Dahlgren, VA
- $52 an hour
- Full-time
- Background check
- 6 years
- Management
Junior Systems Administrator
ValidaTek, Inc. —Quantico, VA
- Background check
- Computer science
- Computer Science
Quick Apply
10d
IT Specialist
BCI Sensors —Dahlgren, VA
- Urgently hiring
- Azure
- Mid-level
- Office
- Continuing education credits
- Paid holidays
Senior Unix/Linux Systems Administrator
The Tatitlek Corporation —Dahlgren, VA
- $52 an hour
- Full-time
- Background check
- 6 years
- Management
System Administrator (Active Directory)
RIVIDIUM —Quantico, VA
- Full-time
- 5 years
- Senior level
- Communication skills
Junior Systems Administrator
The Gemini 3 Group, Inc. —Stafford, VA
- Full-time
- Computer Science
- Mid-level
- Office
Linux Systems Administrator
Bowhead —Dahlgren, VA
- $100,000 - $115,000 a year
- Full-time
- Ability to walk for extended periods
- Mid-level
- High school diploma or GED
6d
System Administrator ? Level II
RIVIDIUM —Quantico, VA
- Full-time
- Azure
- 5 years
- DevOps
IT Specialist
Basic Commerce & Industries Inc —Dahlgren, VA
- Urgently hiring
- Azure
- Mid-level
- Office
- Continuing education credits
- Paid holidays
Quick Apply
Systems Administrator, Junior
COLSA Corporation —Quantico, VA
- $70,000 - $95,000 a year
- Word processing
- System design
- Mid-level
Information Technology Specialist
St. Mary's County Public Schools —Leonardtown, MD
- $62,849 - $95,067 a year
- 8 hour shift
- System design
- Mid-level
- 3 years
5d

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Network Administrator

Agile Defense -
Quantico, VA

Quick Apply

Job Details

$150,000 - $160,000 a year

Qualifications

Performance monitoring
CCNP
Telecommunications network performance monitoring
High availability solutions design
Technical documentation
Software deployment
Improving system uptime or availability
CISSP
Software implementation
System design
Operating system updates
Scalable systems
Infrastructure architecture design
Server updates
System maintenance
Cisco routers/switches implementation
Incident response
Patch management
Bachelor's degree
Computer management
Virtualization
Design engineering
Server virtualization
Networking equipment (troubleshooting support)
Scalability
Network security appliance implementation
System deployment
Real-time security monitoring
Network monitoring tools
Cybersecurity investigations

Full Job Description

About Agile Defense

At Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spirit and the courage to build for what comes next.

Our vision is to bring adaptive innovation to support our nation's most important missions through the seamless integration of advanced technologies, elite minds, and unparalleled agility—leveraging a foundation of speed, flexibility, and ingenuity to strengthen and protect our nation’s vital interests.

Requisition #: 1650

Job Title: Network Administrator

Location: Quantico, VA

Clearance Level: Top Secret, Must Have Clearance to Start

Required Certification(s): CCNP and CISSP certifications

Job Description

Agile Defense is seeking a Network Administrator to join our team supporting a mission-critical federal law enforcement program. In this role, you will help architect and maintain secure, high-availability networks and systems that directly enable national criminal justice operations. You’ll play a hands-on role in engineering, integration, deployment, testing, and maintenance of infrastructure and software environments, all while working within a dynamic Project Management Office (PMO).

This position offers the opportunity to engage with a wide range of technical challenges—from virtualization to scripting to system interoperability while supporting law enforcement professionals in the field and across the nation.

Education and Background

Bachelor's Degree (IT-related)

Years of Experience

7 years

Required Skills

Network & System Administration. Design, implement and maintain the core network and system infrastructure that supports secure, reliable and scalable IT operations.
Design, configure and maintain infrastructure components including Cisco firewalls and switches.
Apply Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs) to firewalls, switches, servers and workstations.
Create and maintain network and system infrastructure diagrams.
Monitor and correct critical network issues and create recovery processes for failures and performance bottlenecks.
Ensure technical documentation exists for all systems and is kept up to date to include inventory and patch levels of all systems to include hostnames, property numbers, IP addresses, enclave, number of cores, number of processors, admin passwords, certificates, and service accounts on a monthly interval.
Provide real-time alerts and dashboard information on network performance and availability.
Respond to and investigate cybersecurity incidents in coordination with the Information System Security team.
Support and manage physical, virtual and hyperconverged environments.

Preferred Skills

Designing enterprise networks including LAN, WAN, cloud solutions, software defined networking, load balancing, zero trust, and networking encryption solutions; strong communication skills and ability to provide consultative technical guidance.

Working Conditions

No telework, standard government hours of operation

Our Core Values

Employees of Agile Defense are our number one priority, and the importance we place on our culture here is fundamental. Our culture is alive and evolving, but it always stays true to its roots. Here, you are valued as a family member, and we believe that we can accomplish great things together. Agile Defense has been highly successful in the past few years due to our employees and the culture we create together.

What makes us Agile? We call it the 6Hs, the values that define our culture and guide everything we do. Together, these values infuse vibrancy, integrity, and a tireless work ethic into advancing the most important national security and critical civilian missions. It's how we show up every day. It's who we are.

Happy - Be Infectious. Happiness multiplies and creates a positive and connected environment where motivation and satisfaction have an outsized effect on everything we do.
Helpful - Be Supportive. Being helpful is the foundation of teamwork, resulting in a supportive atmosphere where collaboration flourishes, and collective success is celebrated.
Honest - Be Trustworthy. Honesty serves as our compass, ensuring transparent communication and ethical conduct, essential to who we are and the complex domains we support.
Humble - Be Grounded. Success is not achieved alone, humility ensures a culture of mutual respect, encouraging open communication, and a willingness to learn from one another and take on any task.
Hungry - Be Eager. Our hunger for excellence drives an insatiable appetite for innovation and continuous improvement, propelling us forward in the face of new and unprecedented challenges.
Hustle - Be Driven. Hustle is reflected in our relentless work ethic, where we are each committed to going above and beyond to advance the mission and achieve success.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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system administrator jobs in dahlgren, va

Network Administrator

Systems Administrator (Journeyman)

Network & Cloud Systems Administrator (Azure)

Linux Server Administrator

System Administrator

Systems Administrator (Windows)

Systems Administrator

Systems Administrator (Windows)

Systems Administrator

Senior Windows Systems Administrator

Junior Systems Administrator

IT Specialist

Senior Unix/Linux Systems Administrator

System Administrator (Active Directory)

Junior Systems Administrator

Linux Systems Administrator

System Administrator ? Level II

IT Specialist

Systems Administrator, Junior

Information Technology Specialist

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