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Senior Network Security Engineer

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1X Technologies

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Location:
United States , Palo Alto

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Category:
IT - Administration

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Contract Type:
Not provided

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Salary:

180000.00 - 235000.00 USD / Year
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Job Description:

Senior Network Security Engineer, IT / Cybersecurity Team. We’re seeking a Senior Network Security Engineer to lead the design, implementation, and security of 1X’s network infrastructure across corporate, cloud, and co-located environments. You’ll ensure scalable, high-performance connectivity while upholding best practices in network security and collaborating across teams.

Job Responsibility:

  • Architect, design, and implement secure and optimized network solutions for corporate offices, cloud infrastructure, and data centers
  • Manage and execute site builds, including secure office network deployments
  • Configure, secure, and manage wireless networks following security best practices
  • Troubleshoot wired, wireless, and service provider connectivity issues to maximize performance and uptime
  • Continuously optimize network performance, scalability, reliability, and security
  • Collaborate with IT, business, and operations teams to gather requirements and deliver resilient networking solutions
  • Develop and maintain detailed documentation including network diagrams, configurations, and policies
  • Travel occasionally, both locally and domestically, to support site deployments or audits

Requirements:

  • 5–10 years of experience in network engineering or a related field
  • Strong understanding of TCP/IP fundamentals and the OSI model
  • Experience designing, deploying, and troubleshooting leaf-and-spine architectures using HPE Aruba CX switches
  • Expertise in EVPN/VXLAN, VSX, MLAG, BGP, OSPF, and fabric-level routing
  • Proficiency in diagnosing complex L2/L3 issues, including routing anomalies and segmentation
  • Experience deploying and managing Aruba APs, controllers, and Aruba Central/AirWave
  • Deep understanding of Wi-Fi design, including RF planning and optimization techniques
  • Implementation of certificate-based onboarding for Wi-Fi using ClearPass and EAP-TLS
  • Operation and troubleshooting of Aruba ClearPass (RADIUS, TACACS+, profiling, posture, PKI integration)
  • Management and debugging of Palo Alto firewalls (Panorama, NAT, VPNs, QoS, App-ID/User-ID)
  • Expertise in DNS and DHCP design, configuration, and troubleshooting
  • Familiarity with PKI, certificate lifecycle, and automated device enrollment
  • Experience with monitoring and observability tools (Grafana, NetFlow, SNMP, Syslog, telemetry)
  • Knowledge of network automation tools and practices
  • Familiarity with modern security stack components such as cloud security (Wiz), endpoint security (MDM, EDR, CrowdStrike), asset management/CMDB, and vulnerability management
What we offer:
  • Health, dental, and vision insurance
  • 401(k) with company match
  • Paid time off and holidays

Additional Information:

Job Posted:
January 03, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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