Network Administrator

Agile Defense; Virginia (MN); On-site; USD 70,000 - 90,000; Full time

Job summary

Agile Defense is seeking a Network Administrator to join our team supporting a mission-critical federal law enforcement program. You will help architect and maintain secure, high-availability networks and systems that directly enable national criminal justice operations.

You’ll participate in engineering, integration, deployment, testing, and maintenance of infrastructure and software environments, within a dynamic PMO and with extensive cybersecurity collaboration.

Qualifications

• Network infrastructure design and maintenance.
• Implementation of secure, high-availability networks.
• Compliance with DoD STIGs and security standards.

Responsibilities

• Design, implement and maintain core network and system infrastructure.
• Apply STIGs to firewalls, switches, servers and workstations.
• Create and maintain network and system diagrams.
• Monitor and resolve critical network issues and document inventories.
• Provide real-time alerts and improve network performance dashboards.

Skills

Network administration

Security compliance

Scripting

Education

CCNP and CISSP certifications

Tools

Cisco firewalls

Cisco switches

DISA STIGs

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 Summary

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.

Responsibilities & Qualifications

• 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.
• 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.

No telework, standard government hours of operation.

Our Core Values

• 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