Principal Software Engineer, SDN Networking

• 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.

This role drives innovation and performance improvements in network infrastructure to power sustainable AI technology, contributing to responsible, transformative cloud infrastructure that enables ambitious AI creation without sacrificing scale, speed, or sustainability.

• 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.
• Demonstrated track record of contributions to the open source community.

• Industry competitive pay
• Restricted Stock Units in a fast growing, well-funded technology company
• Health insurance package options that include HDHP and PPO, vision, and dental for you and your dependents
• Employer contributions to HSA accounts
• Paid Parental Leave
• Paid life insurance, short-term and long-term disability
• Teladoc
• 401(k) with a 100% match up to 4% of salary
• Generous paid time off and holiday schedule
• Cell phone reimbursement
• Tuition reimbursement
• Subscription to the Calm app
• MetLife Legal
• Company paid commuter benefit; $300 per month
• Compensation range: $238,000 - $298,000 a year + Bonus

Crusoe's mission is to accelerate the abundance of energy and intelligence. They craft the engine that powers a world where people can create ambitiously with AI without sacrificing scale, speed, or sustainability.