Senior Network Admin – DoD, Palo Alto/Aruba, Atlassian

Chaos Industries; Los Angeles (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

Chaos Industries is seeking a Senior Network Administrator to design, implement, and sustain secure network infrastructure in Los Angeles. The role requires hands-on work with Palo Alto firewalls and Aruba solutions in sensitive DoD environments, with an emphasis on zero-trust, segmentation, and policy enforcement.

The ideal candidate has 8+ years in DoD or enterprise network administration, deep routing knowledge, and experience operating in classified settings.

Qualifications

• Bachelor’s degree in Information Technology, Computer Science, Information Systems, or 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).
• Deep understanding of TCP/IP, routing (BGP, OSPF), VLANs, and VPNs.
• Experience operating in classified environments (SIPR/NIPR or equivalent).
• Familiarity with DoD cybersecurity standards (RMF, NIST 800-53, STIGs).
• Active DoD Secret clearance (TS preferred).

Responsibilities

• 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.

Skills

Palo Alto firewalls

Aruba networks

Network security

Zero-trust architectures

Vulnerability remediation

Incident response

DoD environment experience

Education

Bachelor’s degree or equivalent

Tools

Palo Alto PAN-OS

Panorama

GlobalProtect

Aruba switches

ClearPass NAC

Job description

Chaos Industries is seeking a Senior Network Administrator to design, implement, and sustain secure network infrastructure in Los Angeles. The role requires hands-on work with Palo Alto firewalls and Aruba solutions in sensitive DoD environments, with an emphasis on zero-trust, segmentation, and policy enforcement.

The ideal candidate has 8+ years in DoD or enterprise network administration, deep routing knowledge, and experience operating in classified settings.