Staff Software Engineer, SDN Networking

Company: Crusoe Energy Systems LLC
Location: San Francisco
Posted on: June 1, 2025

Job Description:

Crusoe is building the World's Favorite AI-first Cloud infrastructure company. We're pioneering vertically integrated, purpose-built AI infrastructure solutions trusted by Fortune 500 companies to power their most advanced AI applications. Crusoe is redefining AI cloud infrastructure, with a mission to align the future of computing with the future of the climate. Our AI platform is recognized as the "gold standard" for reliability and performance. Our data centers are optimized for AI workloads and are powered by clean, renewable energy.Be part of the AI revolution with sustainable technology at Crusoe. Here, you'll drive meaningful innovation, make a tangible impact, and join a team that's setting the pace for responsible, transformative cloud infrastructure.About This Role:

Crusoe Cloud seeks a highly skilled and experienced Staff Software Engineer to lead the development and execution of our cutting-edge Software Defined Networking strategy. You will play a pivotal role in driving innovation and performance improvements within our network infrastructure by leveraging advanced technologies such as XDP/EBPF, DPDK, SmartNICs, and DPUs/IPUs.

What You'll Be Working On:

• Develop and execute the roadmap for Crusoe Cloud's Software Defined Networking strategy.
• Lead the engineering team through all phases of the software development lifecycle, including architecture decisions, design processes, design reviews, code reviews, and implementation tasks.
• Collaborate closely with the network infrastructure organization to develop and deploy industry-leading networking solutions.
• Lead the design, development, and support of Linux Kernel and driver components, focusing on system architecture and optimization.
• Drive the adoption and integration of kernel bypass technologies such as XDP/EBPF, AF_XDP, and DPDK.
• Deeply understand and leverage network accelerators such as Mellanox/Nvidia SmartNICs (ConnectX6/7), DPU Bluefield3, and Intel IPU.
• Collaborate with cross-functional teams across the organization to ensure successful project delivery and operational excellence.
  What You'll Bring to the Team:
  • 6+ years of proven experience in building and operating high-performance networking systems in a production environment.
  • Strong proficiency in system programming languages such as C, C++, and/or Rust.
  • Deep expertise in Linux Systems Internals, including kernel architecture, memory management, and device drivers.
  • In-depth knowledge of network programming principles and packet processing pipelines.
  • Hands-on experience with kernel bypass technologies like XDP/EBPF, AF_XDP, and DPDK.
  • Proven understanding of TCP/IP and networking accelerators such as Mellanox/Nvidia SmartNICs, DPU Bluefield3, and Intel IPU.
  • Familiarity with technologies like SR-IOV, vDPA, and scalable functions.
  • Strong background in kernel or embedded development, with a focus on the Linux kernel.
  • Experience with Open vSwitch, Openflow, and Open Virtual Networking technologies.
  • Proven ability to effectively communicate and collaborate with both technical and non-technical stakeholders.
  • Demonstrated commitment to professional software engineering best practices, including coding standards, code reviews, source control management, testing, and operations.
  • A strong 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.
    • Strong analytical and problem-solving skills.
    • Experience with cloud networking platforms (AWS, Azure, GCP) and virtualization technologies (VMware, KVM).Benefits:
      • 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 FSA benefit of $200 per monthCompensation:
        
        Compensation will be paid in the range of $215,000 - $250,000 per year. Restricted Stock Units are included in all offers. Compensation will be determined based on the applicant's knowledge, education, experience, and abilities, as well as internal equity and alignment with market data.Crusoe is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, disability, genetic information, pregnancy, citizenship, marital status, sex/gender, sexual preference/ orientation, gender identity, age, veteran status, national origin, or any other status protected by law or regulation.
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Keywords: Crusoe Energy Systems LLC, Berkeley , Staff Software Engineer, SDN Networking, IT / Software / Systems , San Francisco, California