Jobs and Careers

Network Administrator

Quantico, VA, United Statesfull_timeVerifiedPosted 9 Jun 2026

About the role

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 - B