Principal Access Network Systems Engineer Jobs

Principal Access Network Systems Engineer — PA - Philadelphia, 1800 Arch St. Apply via Workday.

Graphcore is a globally recognized leader in Artificial Intelligence computing systems. The company designs advanced semiconductors and data centre hardware that provide the specialized processing power needed to drive AI innovation, while delivering the efficiency required to support its broader adoption. As part of the SoftBank Group, Graphcore is a member of an elite family of companies responsible for some of the world’s most transformative technologies. We are opening a new AI Engineering Campus in Austin, which will play a central role in Graphcore's work building the future of AI computing. RESPONSIBILITIES Responsible for the maintaining all the network fabrics and network topologies operating at peak performance on Graphcore Data centers housing AI server platforms. Collaborate closely with our Network architecture team through all phases of the design and development lifecycle — from concept to deployment — ensuring timely, high-quality, and stable high-speed network fabrics. Primary support of deployed internal fabrics in our AI Datacenters. Direct escalation for Hardware, Link and, Performance issues on network fabrics. Escalation support for customer network fabrics (aligned to reference arch.) Triage day-to-day network topologies (scale-up, scale-out, and front-end networks) issues of Fabrics deployed in Graphcore Datacenters. REQUIREMENTS Bachelor’s, master’s degree or equivalent experience in Network Engineering/Security, Information Technology, Computer Science, Computer engineering, or a related field. 9+ years of hands-on experience in network engineering and 3+ years supporting networking on AI or Hyperscale Datacenters. Knowledge of Remote Direct Memory Access (RDMA) and its implementations, specifically ROCEv2 or InfiniBand Knowledge of Lossless network – Experience with congestion control and lossless Ethernet technologies including PDF, ECN and DCQCN. Versed in High-Bandwidth networ

Location Details: India, Remote At GoDaddy the future of work looks different for each team. Some teams work in the office full-time; others have a hybrid arrangement (they work remotely some days and in the office some days) and some work entirely remotely.​ This is a remote position, so you’ll be working remotely from your home. You may occasionally visit a GoDaddy office to meet with your team for events or meetings. Join Our Team The Network Security team is responsible for securing GoDaddy's global hybrid infrastructure across data centres, cloud, edge, and remote-access environments. We partner across Security, Infrastructure, Cloud, and Engineering teams to build scalable, resilient, and secure solutions that support the business. As a Principal Network Security Engineer, you'll act as a senior technical leader, helping define network security strategy, influence architecture across teams, and drive security outcomes at enterprise scale through technical expertise, systems thinking, and cross-functional leadership. What you'll get to do... Define and drive network security architecture across hybrid environments, including data centres, cloud, edge, and remote-access technologies Design trust boundaries, segmentation strategies, secure connectivity patterns, and network controls that reduce risk and improve security posture Lead complex technical initiatives, migrations, and architectural decisions while balancing security, reliability, performance, and operational requirements Establish scalable approaches for policy governance, automation, monitoring, telemetry, and security control validation Partner across engineering organizations to drive large-scale initiatives, mentor engineers, and influence technical direction through architecture reviews and technical leadership Your experience should include... 10+ years of experience in Network Security Engineering, Network Architecture, or Security Engineering, including ownership of enterprise-scale secu

P-1125 At Databricks, we are obsessed with enabling data teams to solve the world's toughest problems, from security threat detection to cancer drug development. We do this by building and running the world's best data and AI infrastructure platform, so our customers can focus on the high-value challenges that are central to their missions. Our engineering teams build highly technical products that fulfill real, important needs in the world. We constantly push the boundaries of data and AI technology, while simultaneously operating with the resilience, security, and scale that is critical to making customers successful on our platform. Customers trust Databricks with their most valuable data and Trust & Safety has the mission to build the most trusted data analytics and ML platform in the world. The customer's journey on our platform starts with Authentication. We are looking for senior leaders such as yourselves to create the vision and define the strategy for this space. The impact you will have: Craft and execute a long-term north-star vision for Authentication that balances uncompromised security with a frictionless user experience. Recruit and mentor top-tier engineering talent to scale our security infrastructure. Act as the voice of Security Engineering across the organization, driving data-driven decisions at the executive level. Databricks’ security innovations at major academic and industry conferences. What we look for: 10+ years of experience in Data Security or related areas and expertise in two or more of the following--Authentication, Network, Kubernetes Security, Web Security, Governance, Privacy, Trust, Safety, Identity Management, Access Control, Key Management, Inter-Service Authentication, Secure Application Frameworks, Detection & Response. Experience building systems at large scale internet companies is a huge plus. 15+ years of experience building large scale distributed systems with high availability Leadership skills and experi

P-1125 At Databricks, we are obsessed with enabling data teams to solve the world's toughest problems, from security threat detection to cancer drug development. We do this by building and running the world's best data and AI infrastructure platform, so our customers can focus on the high-value challenges that are central to their missions. Our engineering teams build highly technical products that fulfill real, important needs in the world. We constantly push the boundaries of data and AI technology, while simultaneously operating with the resilience, security, and scale that is critical to making customers successful on our platform. Customers trust Databricks with their most valuable data and Trust & Safety has the mission to build the most trusted data analytics and ML platform in the world. The customer's journey on our platform starts with Authentication. We are looking for senior leaders such as yourselves to create the vision and define the strategy for this space. The impact you will have: Craft and execute a long-term north-star vision for Authentication that balances uncompromised security with a frictionless user experience. Recruit and mentor top-tier engineering talent to scale our security infrastructure. Act as the voice of Security Engineering across the organization, driving data-driven decisions at the executive level. Databricks’ security innovations at major academic and industry conferences. What we look for: 10+ years of experience in Data Security or related areas and expertise in two or more of the following--Authentication, Network, Kubernetes Security, Web Security, Governance, Privacy, Trust, Safety, Identity Management, Access Control, Key Management, Inter-Service Authentication, Secure Application Frameworks, Detection & Response. Experience building systems at large scale internet companies is a huge plus. 15+ years of experience building large scale distributed systems with high availability Leadership skills and experi

For more than 30 years, SonicWall has delivered a partner-first unified cybersecurity portfolio that helps SMBs, MSPs, and IT teams consolidate network security, endpoint security, security service edge (SSE), and threat response across hybrid environments. By bringing connected technology, real-time threat intelligence, automation, and expert services together, SonicWall helps organizations simplify security operations, achieve better security outcomes, and lower total cost of ownership. Backed by a global ecosystem of more than 17,000 partners, SonicWall delivers enterprise-grade protection built for SMB and mid-market realities. For more information, visit www.sonicwall.com or follow us on X, LinkedIn , Facebook , and Instagram . Role Overview We are seeking a highly skilled and visionary Senior Principal Engineer to lead the architecture, design, and development of our next-generation Enterprise Wireless Access Point (AP) solutions. In this role, you will define the software architecture for state-of-the-art Wi-Fi 6, 6E, and Wi-Fi 7 access points. You will bridge the gap between low-level silicon firmware and high-level cloud management platforms, ensuring our APs deliver enterprise-grade performance, seamless roaming, high security, and cloud-driven scalability. If you have deep expertise in embedded Linux, 802.11 protocols, and cloud-managed networking, we want you on our team. Key Responsibilities Technical Leadership & Architecture End-to-End Architecture: Own the software architecture, design, and delivery of advanced Wi-Fi features from silicon SDK integration up to cloud-managed provisioning systems. Enterprise Wi-Fi Evolution: Design and develop advanced features utilizing Wi-Fi 6, Wi-Fi 6E, and Wi-Fi 7 standards to deliver enterprise-grade performance. Advanced Wireless Feature Design: Architect and implement high-value wireless application features including Wi-Fi Mesh, Neighbor Awareness Networking (NAN),

For more than 30 years, SonicWall has delivered a partner-first unified cybersecurity portfolio that helps SMBs, MSPs, and IT teams consolidate network security, endpoint security, security service edge (SSE), and threat response across hybrid environments. By bringing connected technology, real-time threat intelligence, automation, and expert services together, SonicWall helps organizations simplify security operations, achieve better security outcomes, and lower total cost of ownership. Backed by a global ecosystem of more than 17,000 partners, SonicWall delivers enterprise-grade protection built for SMB and mid-market realities. For more information, visit www.sonicwall.com or follow us on X, LinkedIn , Facebook , and Instagram . Role Overview We are seeking a highly skilled and visionary Senior Principal Engineer to lead the architecture, design, and development of our next-generation Enterprise Wireless Access Point (AP) solutions. In this role, you will define the software architecture for state-of-the-art Wi-Fi 6, 6E, and Wi-Fi 7 access points. You will bridge the gap between low-level silicon firmware and high-level cloud management platforms, ensuring our APs deliver enterprise-grade performance, seamless roaming, high security, and cloud-driven scalability. If you have deep expertise in embedded Linux, 802.11 protocols, and cloud-managed networking, we want you on our team. Key Responsibilities Technical Leadership & Architecture End-to-End Architecture: Own the software architecture, design, and delivery of advanced Wi-Fi features from silicon SDK integration up to cloud-managed provisioning systems. Enterprise Wi-Fi Evolution: Design and develop advanced features utilizing Wi-Fi 6, Wi-Fi 6E, and Wi-Fi 7 standards to deliver enterprise-grade performance. Advanced Wireless Feature Design: Architect and implement high-value wireless application features including Wi-Fi Mesh, Neighbor Awareness Networking (NAN),

For more than 30 years, SonicWall has delivered a partner-first unified cybersecurity portfolio that helps SMBs, MSPs, and IT teams consolidate network security, endpoint security, security service edge (SSE), and threat response across hybrid environments. By bringing connected technology, real-time threat intelligence, automation, and expert services together, SonicWall helps organizations simplify security operations, achieve better security outcomes, and lower total cost of ownership. Backed by a global ecosystem of more than 17,000 partners, SonicWall delivers enterprise-grade protection built for SMB and mid-market realities. For more information, visit www.sonicwall.com or follow us on X, LinkedIn , Facebook , and Instagram . Role Overview SonicWall is seeking a Distinguished Engineer to define and drive the long-term technical vision, architecture, and evolution of its Secure Private Access (SPA) platform and Zero Trust access technologies. This role serves as the highest level of individual contributor leadership, influencing architecture, engineering strategy, and innovation across multiple product and engineering organizations. The role builds upon SonicWall's current cloud-native SSE, ZTNA, and secure access initiatives. Key Responsibilities Define and drive the long-term technical vision and architecture strategy for SonicWall's Secure Private Access (SPA) platform and Zero Trust access technologies. Lead the design and evolution of highly scalable, secure, resilient, cloud-native distributed systems. Influence technical direction, architectural decisions, and engineering standards across multiple product and engineering organizations. Provide technical leadership during critical production incidents, customer escalations, and security events, driving root cause analysis and long-term architectural improvements. Serve as a trusted technical advisor to engineering and executive leadership. Mentor Principal Engineers and cultivate tech

InfraSec operates on a preventative, enabling model: rather than acting as a manual approval gatekeeper or compliance auditor, we develop automated guardrails and platform capabilities. We integrate security directly into the platform runtime, CI/CD, and Infrastructure-as-Code (IaC) workflows so engineering teams can operate securely at scale without friction. This role can be based out of our office or remotely in the United States. What You’ll Do Harden hosts and containerized workloads using Linux security mechanisms (AppArmor, SELinux, seccomp, cgroups) and eBPF-based tooling (Cilium, Tetragon) Secure containerized infrastructure across multi-cloud environments via RBAC, network policies, admission controls (Gatekeeper), and runtime threat detection Build and manage automated services for Cloud Security Posture Management (CSPM), workload identity, vulnerability management, and access controls across AWS, Azure, and GCP Write production-quality code and leverage Infrastructure-as-Code (Terraform) to version, test, and deploy security controls as code Build real-time security monitoring, logging, and alerting systems to detect anomalies and track security posture at Atlas scale Lead initiatives across their full lifecycle; from threat modeling and architectural design to implementation, rollout, and long-term production reliability What We’re Looking For Minimum Qualifications: 10+ years in SRE, Infrastructure Engineering, or Cloud Security Engineering A track record of operating at Staff or Principal scope: defining technical direction, resolving cross-team ambiguity, and personally championing initiatives from conception to delivery Strong coding skills in Go (Golang), Python, C, C++, or Rust Proven track record of building and operating large-scale distributed systems or cloud platform infrastructure Hands-on experience using Terraform, CloudFormation, or Ansible for automated infrastructure provisioning Demonstrated experience owning infrastructure in Linux,

About the Team Security is at the foundation of OpenAI’s mission to ensure that artificial general intelligence benefits all of humanity. The Security team protects OpenAI’s technology, people, and products. We are technical in what we build but operational in how we execute, and we support every product and research effort at OpenAI. Our tenets include prioritizing for impact, enabling researchers and developers, preparing for future transformative technologies, and fostering a strong, collaborative security culture. About the Role OpenAI is seeking a Principal Software Engineer to join the Infrastructure Security (InfraSec) team. InfraSec safeguards the core of OpenAI’s research and production environments: GPU supercomputing clusters, multi-cloud infrastructure, datacenters, networking, storage, and the critical services that power our frontier AI models. Our charter spans everything from bare-metal hardware and firmware to Kubernetes clusters, service meshes, and the data pathways that carry highly sensitive model weights and user data. As a Principal Software Engineer, you will set technical direction and drive execution of critical foundational services, such as authentication systems, egress/ingress proxies, access brokers, and key management platforms, that demand high standards of reliability, scalability, and software craftsmanship. These systems form the security backbone of OpenAI’s customer and supercomputing environment and must remain robust under intense scale and adversarial pressure. In this role, you will: Own the architecture and roadmap for one or more core security services (e.g., authN/Z, policy enforcement, secure proxies, key management), taking them from design to rollout to long-term operation. Design and implement planet-scale security systems that provide strong guarantees across hardware, operating systems, Kubernetes, networks, and CI/CD: balancing security, reliability, latency, and developer ergonomics. Lead cross-functional launches

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. We are looking for a Software Engineer II to join the Auth0 Security Engineering organization. You'll help build and maintain the security guardrails for our multi-cloud environment, implementing security and compliance standards as programmatic, code-driven policies. What You Will Do Cloud Security Controls: Implement and maintain organization-wide controls (SCPs, Azure Policy) balancing protection with developer experience. Identity & Access Management (IAM): Build and update templates and permission boundaries that govern how services and humans interact with our cloud, applying the principle of least privilege. Infrastructure & Network Security: Contribute to the security standards for VPC architecture, edge networking, and cross-account connectivity. System Design: Help build systems and processes that validate the security posture of the platform, enforcing our security policies and surfacing actionable feedback for engineering teams. Growth & Collaboration: Partner with teammates across the organization, share what you learn, and continually deepen your security expertise. What You Bring Cloud & Infrastructure Experience: 3+ years of experience in software engineering or information security, with hands-on exposure to cloud-native environments, Kubernetes (EKS, AKS), and cloud security concepts. Policy & Automation: Experience building or maintaining automated controls and infrastructure-as-code, ideally within Terraform workflows

Leidos is seeking a Principal Network Engineer specializing in enterprise wireless infrastructure to design, implement, and modernize a large-scale, geographically distributed wireless network environment. The successful candidate will serve as a senior technical engineer responsible for migrating Aruba wireless controllers to a centralized cloud-hosted environment, implementing Aruba Central, improving wireless network resiliency, and standardizing wireless security and access-control capabilities. This position requires extensive experience with Aruba wireless technologies, enterprise networking, wireless security, high availability, and network access control. The engineer will collaborate with cloud, network, cybersecurity, identity management, and monitoring teams to deliver reliable, scalable, and secure wireless infrastructure. The engineer will support architecture, implementation, integration, testing, migration, documentation, and transition to operations while providing technical direction to other engineering personnel. Primary Responsibilities Wireless Architecture and Controller Migration Design, engineer, and implement the migration of existing Aruba wireless controllers to a centralized cloud-hosted infrastructure. Deploy and configure Aruba Central for centralized wireless management, configuration standardization, monitoring, and operational visibility. Develop controller migration strategies, implementation procedures, validation plans, and rollback processes. Standardize NTP configurations across wireless controllers, access points, and supporting network infrastructure. Evaluate and establish wireless deployment standards, including bridge versus tunnel mode and campus versus remote architectures. Develop standardized configurations and deployment playbooks for geographically distri

Leidos is seeking a Principal Network Engineer – Wireless to lead engineering, deployment, and modernization of a large-scale, geographically distributed enterprise wireless network supporting a Department of Defense environment. The engineer will provide technical leadership for Aruba wireless architecture, RF performance, secure network access, integration, troubleshooting, and transition to operations. The environment includes Aruba AOS 10, Aruba Central On-Premises, distributed Aruba ClearPass, Cisco ISE coexistence, certificate-based 802.1X authentication, Comply-to-Connect enforcement, wireless intrusion detection and prevention, and enterprise monitoring. The engineer will collaborate with network, identity, cybersecurity, and operations teams to deliver secure, reliable wireless services at scale. Clearance Requirements Active DoD Secret clearance; ability to obtain additional access if required by the assigned environment. Primary Responsibilities Wireless Architecture and Deployment Design, deploy, configure, and optimize enterprise Aruba wireless infrastructure, including access points, gateways, management platforms, redundancy, and lifecycle upgrades. Engineer and sustain Aruba Central On-Premises and AOS 10 configurations, provisioning workflows, high availability, and enterprise configuration standards. Lead RF design, site surveys, channel and power planning, capacity analysis, roaming optimization, and wireless QoS for voice and mission-critical applications. Network Access Control and Security Integrate Aruba ClearPass and Cisco ISE with 802.1X/EAP-TLS, RADIUS, certificate-based authentication, endpoint profiling, and Comply-to-Connect policies. Engineer wireless security controls, including network segmentation, WPA3, WIDS/WIPS, secure guest access, an

We take play seriously. We’re looking for curious adventurers ready to find their party, fueled by imagination and drive to build what’s never been built before. At Hasbro and Wizards of the Coast, you’ll collaborate with passionate teams to reimagine our iconic brands and create experiences that spark joy, connection, and community through the magic of play. This is your chance to shape legendary play that lasts a lifetime. At Wizards of the Coast, we connect people around the world through play and imagination. From our genre-defining games like Magic: The Gathering® and Dungeons & Dragons® to our growing multiverse, we continue to innovate and build new ways to foster friendship and connection. That’s where you come in! We seek a Principal Network Engineer to serve as the technical lead for our enterprise network transformation. This is the highest-level individual contributor role on the Network Engineering team. You will design the Zero Trust Network Access framework, manage our Palo Alto Panorama environment, and make key decisions where complexity and security meet. You will work closely with the Senior Manager of Network & Cloud Infrastructure and partner with IAM, Cloud Infrastructure, and Security teams. Together, you will build a network that verifies identity, checks device posture, and enforces least privilege from edge to cloud! You will bring this project to a definitive close. What You'll Do: Act as the technical expert for the Network 2.0 ZTNA program — own the architecture, lead build reviews, establish engineering standards, and address any critical issues during implementation. Build and validate the full ZTNA architecture across all primary and international sites — defining network zones, segmentation policy, and device posture requirements that eliminate lateral movement risk. Manage Palo Alto Panorama at the platform level — template hierarchy, device group creation, policy distribution oversight, and configuration drif

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. We’re redefining Privileged Access Management (PAM) from the ground up, purpose-built for Cloud, SaaS, Databases, Containers, and any virtualized environment. Our mission is to simplify and secure workforce access with seamless, secure-by-default workflows that adapt dynamically to modern infrastructure. We eliminate standing privileges, enforce least privilege, and embed Zero Trust principles into every access workflow by default. About the Role We are seeking a Principal Backend Engineer (P5) to serve as the technical leader and compass for our newly established engineering pod in India. Operating at the intersection of identity, networking, and security infrastructure , you will be responsible for tackling highly complex, vaguely specified problems without day-to-day oversight. In this role, you will champion the technical execution of your team. You will lead the design and implementation of secure database and network device connectors (routers, switches, firewalls) on top of our core Zero Standing Privileges (ZSP) platform. You will work closely with our local Technical Team Lead to mentor mid-level engineers, while collaborating closely with global Tech Leads to ensure architectural alignment. What You’ll Be Doing Lead Technical Strategy & Execution: Turn high-level, complex PAM and network access problems into clear, modular technical designs that your team can execute. Own Connector Ecosystems: Design, architect, and optimize resilient connecto