Network Administrator

Job Title

Network Administrator

Quantico, VA

Top Secret, Must Have Clearance to Start

CCNP and CISSP certifications

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.

Bachelor's Degree (IT‑related)

7 years

• 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

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities