Senior Network Security Engineer

Senior Network Security Engineer, IT Cybersecurity Team San Carlos, CA (on-site) About 1X We build humanoid robots that work alongside people to solve labor shortages and create abundance. The Role 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. You Will 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 Must Have 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). Nice to Have 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. Benefits & Compensation Salary Range: $180k-$235k+ Equity Health, dental, and vision insurance 401(k) with company match Paid time off and holidays Equal Opportunity Employer 1X is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, ancestry, citizenship, age, marital status, medical condition, genetic information, disability, military or veteran status, or any other characteristic protected under applicable federal, state, or local law.

Created: 2026-03-04