Senior Network Administrator

Role Overview 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. 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 Minimum Requirements 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) 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 (TS preferred) Preferred Requirements 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 Zscaler ZIA / ZPA or similar tools Background in high‑availability or mission‑critical systems Prior experience with defense contractors or rapid deployment environments Benefits Health Benefits : Medical, dental, and vision benefits 100% paid for by the company Additional benefits : 401k (+ 50% company match up to 6% of pay), FSA, HSA, life insurance, and more Our Perks : Free daily lunch, ‘No meeting Fridays’, unlimited PTO, casual dress code Compensation Components : Competitive base salaries, generous pre‑IPO stock option grants, relocation assistance, and (coming soon!) annual bonuses Team Growth : 250 employees and counting across 5 global offices Salary Range : $130,000 - $190,000 #J-18808-Ljbffr Chaosindustries