Network Administrator
Agile Defense
full-time
Posted on:
Location Type: Hybrid
Location: Huntsville • Alabama • United States
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About the role
- Manage, secure, and maintain the critical network infrastructure at a premier US Army installation.
- Administer, configure, and maintain Palo Alto firewalls.
- Troubleshoot complex campus networks built on Cisco Catalyst 9300 stacked switches and 9400 series chassis.
- Implement and manage network access control (NAC) policies using Cisco Identity Services Engine (ISE).
- Oversee wireless infrastructure using Cisco 9800 Wireless Controllers.
- Ensure compliance with DoD STIGs and Army cybersecurity directives.
- Conduct regular security audits and vulnerability assessments.
- Develop scripts to automate network administration tasks using Python, PowerShell, or Ansible.
- Monitor network performance and troubleshoot connectivity issues.
- Provide senior-level technical support and mentorship to junior team members.
Requirements
- 5+ years of experience as a Network Engineer or Senior Network Operator in a DoD or similar high-security environment.
- Must possess an active DoD Secret or Top Secret security clearance.
- In-depth, hands-on experience with Palo Alto Firewalls (PAN-OS, Panorama).
- Advanced knowledge of Cisco Switching (Catalyst 9300 & 9400 series, StackWise Virtual, high availability).
- Proven experience deploying and managing Cisco ISE for 802.1x and NAC.
- Strong proficiency in managing campus mesh Cisco 9800 Wireless Controllers and associated Wi-Fi 6 access points.
- Basic knowledge of F5 BIG-IP load balancers (LTM).
- Comprehensive understanding and practical application of DoD STIGs for network devices.
- Basic scripting and automation skills with at least one of the following: Python, PowerShell, or Ansible.
- Must hold a DoD 8570 IAT Level II certification (e.g., CompTIA Security+ CE).
Benefits
- Competitive and comprehensive benefits package.
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
network infrastructure managementPalo Alto firewallsCisco Catalyst 9300Cisco Catalyst 9400Cisco Identity Services Engine (ISE)network access control (NAC)Cisco 9800 Wireless ControllersPythonPowerShellAnsible
Soft Skills
technical supportmentorship
Certifications
DoD Secret security clearanceDoD Top Secret security clearanceDoD 8570 IAT Level II certificationCompTIA Security+ CE