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# Senior Network Security Engineer

- **Company:** 1X, LLC
- **Location:** Palo Alto, CA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Border Gateway Protocol, Cloud Computing, Cloud Computing Security, Cyber Security, Data Centers, Network Address Translation, Virtual Private Networks (VPN), OSI Models, Network Security, NetFlow, Network Architecture, Network Diagrams, Network Installation Services, Open Shortest Path First (OSPF), Overlay Transport Virtualization, Public Key Infrastructure, Simple Network Management Protocols, Syslog, TCP/IP, Wireless Networks, Wi-Fi Technology, Grafana, TACACS+ Protocol, Open Network Automation Platform, Network Optimization
- **Published:** November 7, 2026
- **Apply:** https://www.juju.com/job/28_25303_7dccf7c3bbea511085e7ee4cc01c24d9

## About the Role

* 7-10 years of experience in network & security field.
 * Strong understanding of TCP/IP fundamentals and the OSI model.
 * Experience designing, deploying, and troubleshooting leaf-and-spine architectures.
 * Expertise in modern network architecture with EVPN/VXLAN, BGP, OSPF.
 * Expertise in DNS and DHCP design, configuration, and troubleshooting.
 * Deep understanding of Wi-Fi design, including RF planning and optimization.
 * Proficient with deploying observability tools (F.ex. Grafana, NetFlow, SNMP, Syslog, telemetry)., * Experience managing HPE Aruba CX switches, APs, and Aruba Central.
 * Palo Alto firewalls (Policies, Panorama, NAT, VPNs, BGP, QoS, App-ID/User-ID).
 * Experience with 802.1x certificate-based onboarding for Wi-Fi and EAP-TLS.
 * Familiarity with PKI, certificate lifecycle, RADIUS, TACACS+ and device enrollment.
 * Familiarity with modern security stack components such as cloud security (Wiz).
 * Knowledge of network automation tools and practices.

## Description

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., * 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