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Salary: USD 130,000 - 190,000 / annual
CHAOS Industries is seeking a Senior Network Administrator to design, implement, secure, and sustain mission-critical network infrastructure supporting defense operations. This is a hands-on, mission-focused role requiring deep expertise in Palo Alto firewalls and Aruba networking solutions, operating in highly secure, performance-sensitive environments supporting DoD programs.
You will own network architecture and operations from design through sustainment, working in a fast-paced, high-impact environment collaborating with engineers, operators, and security teams. This role directly supports infrastructure enabling critical national security missions, where reliability, security, and rapid problem-solving are paramount.
Key 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
Required Qualifications:
- Bachelor's degree in Information Technology, Computer Science, Information Systems, or related field (or equivalent work experience)
- 8+ years of network administration experience in enterprise or DoD environments
- Strong hands-on experience with Palo Alto firewalls (NGFW, Panorama, VPNs, threat prevention) and Aruba networks (switching, wireless, ClearPass NAC)
- Deep understanding of TCP/IP, routing (BGP, OSPF), VLANs, VPNs, 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 (Top Secret preferred)
Preferred Qualifications:
- Palo Alto certifications (PCNSE or higher)
- Aruba certifications (ACMP, ACDX, etc.)
- Experience with network automation (Python, Ansible, APIs), cloud networking (AWS GovCloud, Azure Government), Zero Trust/SASE architectures, or Zscaler ZIA/ZPA
- Background in high-availability or mission-critical systems
- Prior experience with defense contractors or rapid deployment environments
