Senior Network Security Engineer

Posted 8/25/2026 · last confirmed live 9/2/2026

About Valar Atomics At Valar Atomics, we're redefining what's possible in energy. Our mission is to make clean, high-temperature nuclear power scalable—unlocking abundant energy for industry, hydrogen, and next-generation manufacturing. We are a team of builders, engineers, and operators who believe nuclear energy should be fast to deploy, factory-made, and built for the real world. Our first pilot plant in Orangeville, Utah will demonstrate how advanced nuclear systems and fuel fabrication can power the future. Joining Valar Atomics means becoming part of a company where autonomy, ownership, and impact exist at every level. The Team   As part of the  Business  organization, IT & Enterprise Software delivers the technology infrastructure, enterprise applications, and digital tools that power Valar's operations. The team ensures secure, reliable, and scalable technology solutions that support every function across the company.   The Role   Valar Atomics is seeking a hands-on Senior   Network Security Engineer  to design, implement, and  maintain  our enterprise network security infrastructure. This role focuses heavily on Palo Alto Networks  firewall  administration, secure remote access via  GlobalProtect  VPN, cloud connectivity across Azure and AWS, and network access control for wired, wireless, and IoT devices. The ideal candidate combines deep  firewall /routing  expertise  with practical experience securing endpoints, cameras, and IoT devices through certificate-based (TLS/802.1X) authentication. This position is fully on-site at our Torrance, CA location. Relocation assistance is not available. Key Responsibilities   Firewall & Network Security   Configure and manage Palo Alto Networks firewall security policies, NAT rules, and threat prevention profiles   Design and implement Palo Alto Firewall routing (static, dynamic, and policy-based routing)   Monitor, troubleshoot, and optimize firewall performance and rule sets   VPN & Cloud Connectivity   Build, configure, and maintain GlobalProtect VPN for secure remote access   Create and manage site-to-site VPN tunnels between on-premises infrastructure and Azure and AWS environments   Troubleshoot VPN connectivity, tunnel stability, and routing issues across hybrid cloud environments   Identity, Certificates & Access Control   Integrate and manage EZPKI and EZRadius (Azure-based SaaS RADIUS and SaaS TLS/PKI services) for certificate-based network authentication   Deploy and support TLS-based 802.1X authentication for IP cameras and other IoT devices   Configure 802.1X network access control policies across wired and wireless infrastructure   Integrate and manage AWS CA and AWS PKI infrastructure Switching & LAN Infrastructure   Configure and maintain routing on Ruckus switches   Support VLAN segmentation, inter-VLAN routing, and network access policies for IoT and camera device segments   Cross-Functional / Nice-to-Have   Support Prisma (Prisma Access / Prisma Cloud) initiatives as needed   Support Palo Alto CASB deployment and policy configuration as needed   Basic Qualifications     Proven hands-on experience with  Palo Alto Networks firewalls  (policy creation, NAT, routing, troubleshooting)   Experience configuring and supporting  GlobalProtect VPN   Experience building  site-to-site VPN tunnels  with  Azure  and  AWS   Working knowledge of  802.1X authentication  (wired/wireless) and certificate-based network access   Experience with  Ruckus switch  configuration and routing   Strong understanding of enterprise routing concepts (static routing, VLANs, inter-VLAN routing)   Solid troubleshooting skills across firewall, VPN, and switching layers   Performed root-cause analysis on wireless access point failures, adjusted AP placement and power/range settings to optimize coverage, and resolved intermittent Wi-Fi connectivity issues.                  Skilled in wireless access point diagnostics, RF coverage tuning, and troubleshooting client connectivity and signal degradation issues.   Preferred Skills and Experience       Experience with Prisma Access and/or Prisma Cloud Experience with CMMC2 Prior military service in US Airforce or Navy , particularly in communications, networking, cybersecurity, IT, or other technical fields, is highly valued. Relevant military training and operational experience will be considered alongside civilian industry experience. Experience with Palo Alto CASB Experience with EZPKI / EZRadius or similar Azure-based SaaS RADIUS/PKI/TLS certificate services Experience deploying TLS/802.1X authentication for IoT devices and IP cameras Relevant certifications such as PCNSE (Palo Alto Certified Network Security Engineer), CCNP\CCNP Security, or similar Light automation such ansible, Terraform, Saltstack What Success Looks Like   Firewall policies and routing are well-organized, documented, and optimized for security and performance   GlobalProtect VPN provides reliable, secure remote access for all authorized users   Site-to-site tunnels to Azure and AWS are stable and properly monitored   Certificate-based authentication (EZPKI/EZRadius) is integrated smoothly with minimal access disruptions   IoT devices and cameras are securely onboarded via 802.1X/TLS with minimal friction   Ruckus switch routing is stable and correctly segmented across the network   What We Offer    Competitive base salary  Equity ownership in a rapidly growing advanced energy company  Comprehensive medical benefits  Unlimited PTO Free daily lunch provided onsite  Generous PPE stipend High-impact startup environment with significant ownership and autonomy  Opportunities for rapid career growth and internal advancement  Direct collaboration with experienced operators, engineers, and industry leaders  The opportunity to help build and scale transformative energy technology from the ground up Equal Employment Opportunity Statement Valar Atomics is an equal opportunity employer. We consider all qualified applicants without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, age, disability, veteran status, or any other protected status under applicable law. We are committed to providing a workplace free of discrimination and harassment and will provide reasonable accommodation as required by law. Applicants must be legally authorized to work in the United States as a U.S. citizen or lawful permanent resident (green card holder). Salary $160,000 — $180,000 USD

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