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Senior Staff Software Engineer, SDN Networking

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Crusoe

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Location:
United States , San Francisco ▼

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

214000.00 - 259000.00 USD / Year
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Job Description:

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

Job Responsibility:

  • Define and Execute SDN Strategy: Develop and execute the roadmap for Crusoe Energy Cloud's Software Defined Networking strategy
  • 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
  • Lead the development and maintenance of Linux Kernel modules and drivers, leveraging technologies like XDP/EBPF, DPDK, and network accelerators
  • Design and implement high-performance, scalable, and reliable network architectures
  • Provide ongoing support for production systems, including troubleshooting, performance tuning, and incident response
  • Foster strong collaboration with other engineering teams (e.g., Software Infrastructure, Product) and cross-functional departments

Requirements:

  • 8+ years of proven experience in system programming with C, C++, and/or Rust
  • Extensive knowledge of Linux Systems Internals, including kernel internals, memory management, and I/O subsystems
  • Expertise in Network Programming and Packet Processing pipelines (TCP/IP, UDP, etc.)
  • Hands-on experience with kernel bypass technologies such as XDP/EBPF, AF_XDP, and DPDK
  • In-depth understanding of network accelerators like Mellanox/Nvidia SmartNIC (ConnectX6/7), DPU Bluefield3, and Intel IPU
  • Familiarity with SR-IOV, vDPA, scalable functions, 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 (e.g., Open vSwitch/OVS, Open Virtual Networking/OVN, Multus, Cilium)

Nice to have:

  • 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)
What we offer:
  • 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

Additional Information:

Job Posted:
February 21, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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