We are seeking a Senior Network Administrator to design, implement, secure, and sustain mission-critical network infrastructure supporting business operations. This role requires deep expertise in Palo Alto firewalls and Aruba networking solutions, along with the ability to operate in highly secure, performance-sensitive environments. This is an on-site role in Los Angeles and requires an active Secret clearance (Top Secret preferred).

This position is hands-on and mission-focused, requiring ownership from architecture through operations. The ideal candidate thrives in fast-paced environments, where reliability, security, and rapid problem-solving are critical. You will directly support infrastructure that enables critical national security missions, ensuring systems remain secure, resilient, and operational when it matters most.

Team mandate: work in a fast-paced, high-impact DoD program, collaborating with engineers, operators, and security teams.

Ownership: opportunity to influence architecture and modernization efforts, with ownership from design through sustainment.

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.

Senior Network Administrator

Responsibilities

Qualification

Required

Preferred

Benefits

Company

Chaos Industries

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