Senior Staff Software Engineer, SDN Networking

Company: Crusoe Energy Systems LLC
Location: San Francisco
Posted on: May 3, 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 Energy Systems is seeking a highly skilled and motivated Senior Staff Software Engineer - Software Defined Networking to lead the development and execution of our innovative Software Defined Networking strategy. In this critical role, you will drive the adoption of cutting-edge technologies like XDP/EBPF, DPDK, SmartNICs, and DPUs/IPUs within the Linux Kernel to significantly enhance network performance and efficiency.What You'll Be Working On:

• Define and Execute SDN Strategy: Develop and execute the roadmap for Crusoe Energy Cloud's Software Defined Networking strategy, aligning with overall business objectives.
• Technical Leadership & Execution:
• Provide technical leadership and guidance to the engineering team.
• Drive architectural decisions, design processes, design reviews, code reviews, and implementation tasks.
• Collaborate closely with the network infrastructure organization to develop and deploy industry-leading networking infrastructure.
• Linux Kernel & Driver Development: Lead the development and maintenance of Linux Kernel modules and drivers, leveraging technologies like XDP/EBPF, DPDK, and network accelerators.
• System Architecture Design: Design and implement high-performance, scalable, and reliable network architectures.
• Production Support: Provide ongoing support for production systems, including troubleshooting, performance tuning, and incident response.
• Cross-functional Collaboration: Foster strong collaboration with other engineering teams (e.g., Software Infrastructure, Product) and cross-functional departments.What You'll Bring to the Team:
• Extensive System Programming Experience: 8+ years of proven experience in system programming with C, C++, and/or Rust.
• Deep Linux Systems Expertise: Extensive knowledge of Linux Systems Internals, including kernel internals, memory management, and I/O subsystems.
• Network Programming Mastery: Expertise in Network Programming and Packet Processing pipelines (TCP/IP, UDP, etc.).
• Kernel Bypass Technologies: Hands-on experience with kernel bypass technologies such as XDP/EBPF, AF_XDP, and DPDK.
• Network Accelerator Expertise: In-depth understanding of network accelerators like Mellanox/Nvidia SmartNIC (ConnectX6/7), DPU Bluefield3, and Intel IPU.
• Virtualization & Networking Technologies: Familiarity with SR-IOV, vDPA, scalable functions, Open vSwitch, Openflow, and Open Virtual Networking.
• Strong Engineering Practices: 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.
• Open Source Contributions: 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).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 $245,000 - $290,000. Restricted Stock Units are included in all offers. Compensation will be determined by the applicant's knowledge, education, 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, Pittsburg , Senior Staff Software Engineer, SDN Networking, IT / Software / Systems , San Francisco, California