Senior Network Administrator

The role

The Senior Network Administrator will design, implement, secure, and sustain mission-critical network infrastructure. This role supports infrastructure that enables critical national security missions.

What you will do

• Design, deploy, and maintain secure network architectures across classified and unclassified environments.
• Configure and manage Palo Alto Networks firewalls (PAN-OS, Panorama, GlobalProtect).
• Implement and support Aruba networking solutions (switching, wireless, ClearPass).
• Perform network segmentation, zero-trust implementation, and policy enforcement.
• Monitor network performance, troubleshoot complex issues, and optimize uptime.
• Conduct vulnerability remediation and ensure compliance with DoD cybersecurity frameworks (RMF, STIGs).
• Support incident response, including traffic analysis and threat mitigation.
• Collaborate with cybersecurity, systems, and DevOps teams to integrate secure network solutions.
• Maintain documentation for network configurations, diagrams, and SOPs.
• Participate in system accreditation and ATO processes.

Required qualifications

• Bachelor’s degree in Information Technology, Computer Science, Information Systems, or another related field or equivalent work experience
• 8+ years of experience in network administration within enterprise or DoD environments.
• Strong hands-on experience with Palo Alto firewalls (NGFW, Panorama, VPNs, threat prevention)
• Strong hands-on experience with Aruba networks (switching, wireless, ClearPass NAC)
• Deep understanding of TCP/IP, routing (BGP, OSPF), VLANs, and VPNs
• Deep understanding of network security principles and zero-trust architectures
• Experience operating in classified environments (SIPR/NIPR or equivalent).
• Familiarity with DoD cybersecurity standards (RMF, NIST 800-53, STIGs).
• Ability to troubleshoot complex, multi-layer network issues under pressure.
• Active DoD Secret clearance

Nice to have

• Palo Alto certifications (PCNSE or higher).
• Aruba certifications (ACMP, ACDX, etc.).
• Network automation (Python, Ansible, APIs)
• Cloud networking (AWS GovCloud, Azure Government)
• Zero Trust / SASE architectures
• Zscaler ZIA / ZPA or similar tools
• Background in high-availability or mission-critical systems.
• Prior experience with defense contractors or rapid deployment environments.
• Top Secret clearance

About the company

CHAOS Industries is redefining modern defense with a multi-product portfolio that gives the ultimate advantage—domain dominance. The company was founded in 2022 and is headquartered in Los Angeles.