> Markdown version of [/jobs/ext/2844471-principal-software-engineer-software-defined-networking](https://www.wearedevelopers.com/jobs/ext/2844471-principal-software-engineer-software-defined-networking). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Software Engineer - Software Defined Networking - **Company:** Crusoe's Inc - **Location:** Sunnyvale, CA, United States - **Experience:** Expert - **Salary:** $238,000.0 - $298,000.0 - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Microsoft Azure, C++ (Programming Language), Cloud Computing, Code Review, Computer Networks, Device Drivers, Embedded Software, Kernel-Based Virtual Machine, Linux Kernel, Network Architecture, Network Programming, Network Virtualization, Open Source Technology, Open VSwitch, OpenFlow, Software Engineering, Systems Architecture, System Programming, TCP/IP, Virtualization Technology, Computer Networking Systems, Google Cloud, Information Technology, Build Process, Software Coding, Software Version Control, Data Pipelines, Vmware - **Published:** September 11, 2026 - **Apply:** https://www.thejobnetwork.com/job/bf3ef6c6-1c2f-48d7-bb60-bf8e86030599/principal-software-engineer-sdn-networking ## About the Role * 10+ years of related experience building and operating at scale in a production environment. * Proven experience in system programming with C, C++ and/or Rust. * Extensive knowledge of Linux Systems Internals and computer architecture. * Expertise in Network Programming and Packet Processing pipelines. * Hands-on experience with kernel bypass technologies such as XDP/EBPF, AF_XDP, and DPDK. * In-depth understanding of TCP/IP and network accelerators like Mellanox/Nvidia SmartNIC (ConnectX6/7), DPU Bluefield3, and Intel IPU. * Familiarity with SR-IOV, vDPA, and scalable functions. * Strong background in kernel or embedded development, particularly with the Linux kernel. * Experience with Open vSwitch, Openflow, and Open Virtual Networking. * Knowledge of professional software engineering practices and best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations. * Demonstrated track record of contributions to the open source community (e.g., Open vSwitch/OVS, Open Virtual Networking/OVN, Multus, Cilium). Bonus Points: * Advanced degree in Computer Science, Engineering, or a related field. * Proven leadership experience in a technical role. * Experience with cloud networking platforms (AWS, Azure, GCP) and virtualization technologies (VMware, KVM). ## Description We are seeking a Principal Software Engineer - Software Defined Networking to lead the development and execution of our Software Defined Networking strategy. This role will be instrumental in driving innovation and performance improvements within our network infrastructure by leveraging cutting-edge technologies like XDP/EBPF, DPDK, SmartNICs, and DPU/IPUs. What You'll Be Working On: * Develop and execute the roadmap for the Software Defined Networking strategy at Crusoe Cloud. * Guide the engineering team through architecture decisions, design processes, design reviews, code reviews, and implementation tasks. * Collaborate with the network infrastructure organization to develop industry-leading networking infrastructure. * Lead Linux Kernel and driver development, system architecture design, production support, and cross-functional collaboration. ## Related Videos - [Embracing the Hybrid Cloud: Unlocking Success with Open Source Technologies](https://www.wearedevelopers.com/videos/883-embracing-the-hybrid-cloud-unlocking-success-with-open-source-technologies) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)