Network Administrator

Agile Defense

$75K — $95K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in an IT-related field
  • 7 years of experience in network administration
  • CCNP and CISSP certifications required
  • Strong familiarity with Cisco firewalls and switches
  • Ability to apply DISA STIGs for security compliance

Responsibilities

  • Architect and maintain secure, high-availability networks for federal law enforcement
  • Design, configure, and maintain core infrastructure components including firewalls and switches
  • Monitor network issues, ensuring recovery processes are in place
  • Create and keep up-to-date technical documentation for all systems
  • Provide real-time alerts on network performance
  • Respond to cybersecurity incidents in collaboration with security teams
  • Support physical, virtual, and hyperconverged environments

Benefits

  • Support a critical mission in national criminal justice operations
  • Engage with diverse technical challenges like virtualization and scripting
  • Collaborate with a dynamic Project Management Office
  • Hands-on role with engineering and integration in a team environment
  • Opportunities for professional growth and advancement within the organization
Full Job Description
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

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