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High-CTR: Senior Staff Software Engineer, SDN Networking Careers at Crusoe - San Francisco, California | Apply Now!

Crusoe

High-CTR: Senior Staff Software Engineer, SDN Networking Careers at Crusoe - San Francisco, California | Apply Now!

full-timePosted: Jan 21, 2026

Job Description

Senior Staff Software Engineer, SDN Networking at Crusoe Energy Systems

Role Overview

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. This is a unique opportunity to be a part of the AI revolution with sustainable technology at Crusoe, driving meaningful innovation and making a tangible impact on responsible, transformative cloud infrastructure.

Day in the Life

As a Senior Staff Software Engineer in SDN Networking, your day will be a mix of strategic planning, technical leadership, and hands-on development. You will start by reviewing the progress of your team on current projects, providing guidance and unblocking any roadblocks. A significant portion of your day will be dedicated to designing and implementing high-performance network architectures and Linux Kernel modules. You'll collaborate with other engineering teams to ensure seamless integration of your solutions. You'll also spend time researching and evaluating new technologies, contributing to the long-term roadmap of Crusoe's SDN strategy. Finally, you'll participate in code reviews, mentor junior engineers, and address any production issues that may arise.

Why San Francisco?

San Francisco is a global hub for technology and innovation, making it the ideal location for Crusoe Energy Systems. The city boasts a vibrant ecosystem of startups, established tech companies, and world-class universities, providing access to top talent and cutting-edge research. San Francisco's proximity to Silicon Valley fosters a culture of innovation and collaboration. The city also offers a high quality of life, with diverse cultural attractions, outdoor activities, and a thriving food scene. By being located in San Francisco, Crusoe is strategically positioned to attract the best and brightest minds in the industry.

Career Path

The Senior Staff Software Engineer, SDN Networking role offers significant opportunities for career advancement within Crusoe Energy Systems. You can progress along a technical track, becoming a Principal Engineer or a Technical Fellow, leading the development of groundbreaking network technologies. Alternatively, you can transition into a management role, overseeing a team of engineers and shaping the direction of Crusoe's SDN strategy. Crusoe is committed to providing its employees with the resources and support they need to achieve their career goals.

Salary & Benefits

Crusoe Energy Systems offers a competitive salary and benefits package to attract and retain top talent. The estimated salary range for this position in San Francisco, California is between $180,000 and $280,000 per year, commensurate with experience and qualifications. In addition to salary, Crusoe provides a comprehensive benefits package, including health insurance (medical, dental, vision), paid time off and holidays, a 401(k) plan with company match, employee stock options, life insurance and disability coverage, flexible spending accounts, wellness programs, and commuter benefits.

Crusoe Culture

Crusoe Energy Systems fosters a culture of innovation, collaboration, and sustainability. We are a team of passionate individuals who are driven to make a positive impact on the world. We believe in empowering our employees to take ownership of their work and contribute their unique perspectives. We value diversity and inclusion and strive to create a welcoming and supportive environment for all. Crusoe is committed to providing its employees with the resources and opportunities they need to grow and succeed.

How to Apply

If you are a highly skilled and motivated Software Engineer with a passion for networking and sustainability, we encourage you to apply for the Senior Staff Software Engineer, SDN Networking position at Crusoe Energy Systems. To apply, please submit your resume and cover letter through our online application portal. We look forward to hearing from you!

FAQ

  1. What is Software Defined Networking (SDN)?

    SDN is an approach to network management that enables dynamic, programmatically efficient network configuration in order to improve network performance and monitoring.

  2. What is XDP/EBPF?

    XDP (eXpress Data Path) and EBPF (Extended Berkeley Packet Filter) are technologies that allow for high-performance packet processing within the Linux kernel.

  3. What is DPDK?

    DPDK (Data Plane Development Kit) is a set of libraries and drivers for fast packet processing in user space.

  4. What are SmartNICs and DPUs/IPUs?

    SmartNICs (Smart Network Interface Cards) and DPUs/IPUs (Data Processing Units/Infrastructure Processing Units) are specialized hardware accelerators that offload network processing tasks from the CPU.

  5. What is SR-IOV and vDPA?

    SR-IOV (Single Root I/O Virtualization) and vDPA (virtio Data Path Acceleration) are technologies that enable efficient virtualization of network devices.

  6. What is Open vSwitch?

    Open vSwitch is an open-source virtual switch that supports various virtualization technologies and network protocols.

  7. What is Openflow?

    OpenFlow is a communications protocol that enables network switches to be controlled by a remote controller.

  8. What is Open Virtual Networking (OVN)?

    OVN is an open-source project that provides network virtualization for Open vSwitch.

  9. What is the work environment like at Crusoe?

    Crusoe offers a collaborative, innovative, and fast-paced environment with a focus on sustainability and impact.

  10. What are the growth opportunities at Crusoe?

    Crusoe provides numerous opportunities for professional growth and development, including career advancement, mentorship programs, and training initiatives.

Locations

  • San Francisco, California, United States

Salary

Estimated Salary Rangemedium confidence

198,000 - 308,000 USD / yearly

Source: ai estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • System Programmingintermediate
  • Cintermediate
  • C++intermediate
  • Rustintermediate
  • Linux Systems Internalsintermediate
  • Kernel Internalsintermediate
  • Memory Managementintermediate
  • I/O Subsystemsintermediate
  • Network Programmingintermediate
  • Packet Processingintermediate
  • TCP/IPintermediate
  • UDPintermediate
  • XDP/EBPFintermediate
  • AF_XDPintermediate
  • DPDKintermediate
  • Mellanox SmartNICintermediate
  • Nvidia SmartNICintermediate
  • ConnectX6intermediate
  • ConnectX7intermediate
  • DPU Bluefield3intermediate
  • Intel IPUintermediate
  • SR-IOVintermediate
  • vDPAintermediate
  • Scalable Functionsintermediate
  • Open vSwitchintermediate
  • Openflowintermediate
  • Open Virtual Networkingintermediate
  • Coding Standardsintermediate
  • Code Reviewsintermediate
  • Source Control Managementintermediate
  • Build Processesintermediate
  • Testingintermediate
  • Operationsintermediate
  • Linux Kernel Developmentintermediate
  • Driver Developmentintermediate
  • Network Architecture Designintermediate
  • Troubleshootingintermediate
  • Performance Tuningintermediate
  • Incident Responseintermediate

Required Qualifications

  • 8+ years of proven experience in system programming with C, C++, and/or Rust. (experience)
  • Extensive knowledge of Linux Systems Internals, including kernel internals, memory management, and I/O subsystems. (experience)
  • Expertise in Network Programming and Packet Processing pipelines (TCP/IP, UDP, etc.). (experience)
  • Hands-on experience with kernel bypass technologies such as XDP/EBPF, AF_XDP, and DPDK. (experience)
  • In-depth understanding of network accelerators like Mellanox/Nvidia SmartNIC (ConnectX6/7), DPU Bluefield3, and Intel IPU. (experience)
  • Familiarity with SR-IOV, vDPA, scalable functions, Open vSwitch, Openflow, and Open Virtual Networking. (experience)
  • Knowledge of professional software engineering practices and best practices for the full software development life cycle. (experience)
  • Experience with coding standards, code reviews, source control management, build processes, testing, and operations. (experience)
  • Demonstrated track record of contributions to the open source community (e.g., Open vSwitch/OVS, Open Virtual Networking/OVN, Multus, Cilium). (experience)
  • Bachelor's or Master's degree in Computer Science or a related field. (experience)

Responsibilities

  • Define and execute the roadmap for Crusoe Energy Cloud's Software Defined Networking strategy, aligning with overall business objectives.
  • 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.
  • Stay current with the latest trends and technologies in Software Defined Networking.
  • Participate in the planning and execution of network upgrades and migrations.
  • Contribute to the development of internal tools and automation to improve network efficiency and reliability.
  • Mentor junior engineers and provide technical guidance.

Benefits

  • general: Competitive salary and benefits package.
  • general: Opportunity to work on cutting-edge technology in a rapidly growing company.
  • general: Make a significant impact on the future of sustainable AI infrastructure.
  • general: Collaborative and supportive work environment.
  • general: Professional development opportunities.
  • general: Health insurance (medical, dental, vision).
  • general: Paid time off and holidays.
  • general: 401(k) plan with company match.
  • general: Employee stock options.
  • general: Life insurance and disability coverage.
  • general: Flexible spending accounts.
  • general: Wellness programs.
  • general: Commuter benefits.

Target Your Resume for "High-CTR: Senior Staff Software Engineer, SDN Networking Careers at Crusoe - San Francisco, California | Apply Now!" , Crusoe

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Tags & Categories

SDNLinuxNetworkingKernel DevelopmentSan FranciscoFull-timeSoftware Defined NetworkingLinux KernelXDP/EBPFDPDKSmartNICDPUIPUNetwork ProgrammingSystem ProgrammingCC++RustNetwork ArchitectureCloud InfrastructureVirtualizationOpen vSwitchOpenflowOpen Virtual NetworkingCaliforniaCareersJobCrusoe Energy SystemsSustainable AINetwork EngineerKernel DeveloperNetworking InfrastructureGreen TechAI InfrastructureCloudEngineering

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High-CTR: Senior Staff Software Engineer, SDN Networking Careers at Crusoe - San Francisco, California | Apply Now!

Crusoe

High-CTR: Senior Staff Software Engineer, SDN Networking Careers at Crusoe - San Francisco, California | Apply Now!

full-timePosted: Jan 21, 2026

Job Description

Senior Staff Software Engineer, SDN Networking at Crusoe Energy Systems

Role Overview

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. This is a unique opportunity to be a part of the AI revolution with sustainable technology at Crusoe, driving meaningful innovation and making a tangible impact on responsible, transformative cloud infrastructure.

Day in the Life

As a Senior Staff Software Engineer in SDN Networking, your day will be a mix of strategic planning, technical leadership, and hands-on development. You will start by reviewing the progress of your team on current projects, providing guidance and unblocking any roadblocks. A significant portion of your day will be dedicated to designing and implementing high-performance network architectures and Linux Kernel modules. You'll collaborate with other engineering teams to ensure seamless integration of your solutions. You'll also spend time researching and evaluating new technologies, contributing to the long-term roadmap of Crusoe's SDN strategy. Finally, you'll participate in code reviews, mentor junior engineers, and address any production issues that may arise.

Why San Francisco?

San Francisco is a global hub for technology and innovation, making it the ideal location for Crusoe Energy Systems. The city boasts a vibrant ecosystem of startups, established tech companies, and world-class universities, providing access to top talent and cutting-edge research. San Francisco's proximity to Silicon Valley fosters a culture of innovation and collaboration. The city also offers a high quality of life, with diverse cultural attractions, outdoor activities, and a thriving food scene. By being located in San Francisco, Crusoe is strategically positioned to attract the best and brightest minds in the industry.

Career Path

The Senior Staff Software Engineer, SDN Networking role offers significant opportunities for career advancement within Crusoe Energy Systems. You can progress along a technical track, becoming a Principal Engineer or a Technical Fellow, leading the development of groundbreaking network technologies. Alternatively, you can transition into a management role, overseeing a team of engineers and shaping the direction of Crusoe's SDN strategy. Crusoe is committed to providing its employees with the resources and support they need to achieve their career goals.

Salary & Benefits

Crusoe Energy Systems offers a competitive salary and benefits package to attract and retain top talent. The estimated salary range for this position in San Francisco, California is between $180,000 and $280,000 per year, commensurate with experience and qualifications. In addition to salary, Crusoe provides a comprehensive benefits package, including health insurance (medical, dental, vision), paid time off and holidays, a 401(k) plan with company match, employee stock options, life insurance and disability coverage, flexible spending accounts, wellness programs, and commuter benefits.

Crusoe Culture

Crusoe Energy Systems fosters a culture of innovation, collaboration, and sustainability. We are a team of passionate individuals who are driven to make a positive impact on the world. We believe in empowering our employees to take ownership of their work and contribute their unique perspectives. We value diversity and inclusion and strive to create a welcoming and supportive environment for all. Crusoe is committed to providing its employees with the resources and opportunities they need to grow and succeed.

How to Apply

If you are a highly skilled and motivated Software Engineer with a passion for networking and sustainability, we encourage you to apply for the Senior Staff Software Engineer, SDN Networking position at Crusoe Energy Systems. To apply, please submit your resume and cover letter through our online application portal. We look forward to hearing from you!

FAQ

  1. What is Software Defined Networking (SDN)?

    SDN is an approach to network management that enables dynamic, programmatically efficient network configuration in order to improve network performance and monitoring.

  2. What is XDP/EBPF?

    XDP (eXpress Data Path) and EBPF (Extended Berkeley Packet Filter) are technologies that allow for high-performance packet processing within the Linux kernel.

  3. What is DPDK?

    DPDK (Data Plane Development Kit) is a set of libraries and drivers for fast packet processing in user space.

  4. What are SmartNICs and DPUs/IPUs?

    SmartNICs (Smart Network Interface Cards) and DPUs/IPUs (Data Processing Units/Infrastructure Processing Units) are specialized hardware accelerators that offload network processing tasks from the CPU.

  5. What is SR-IOV and vDPA?

    SR-IOV (Single Root I/O Virtualization) and vDPA (virtio Data Path Acceleration) are technologies that enable efficient virtualization of network devices.

  6. What is Open vSwitch?

    Open vSwitch is an open-source virtual switch that supports various virtualization technologies and network protocols.

  7. What is Openflow?

    OpenFlow is a communications protocol that enables network switches to be controlled by a remote controller.

  8. What is Open Virtual Networking (OVN)?

    OVN is an open-source project that provides network virtualization for Open vSwitch.

  9. What is the work environment like at Crusoe?

    Crusoe offers a collaborative, innovative, and fast-paced environment with a focus on sustainability and impact.

  10. What are the growth opportunities at Crusoe?

    Crusoe provides numerous opportunities for professional growth and development, including career advancement, mentorship programs, and training initiatives.

Locations

  • San Francisco, California, United States

Salary

Estimated Salary Rangemedium confidence

198,000 - 308,000 USD / yearly

Source: ai estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • System Programmingintermediate
  • Cintermediate
  • C++intermediate
  • Rustintermediate
  • Linux Systems Internalsintermediate
  • Kernel Internalsintermediate
  • Memory Managementintermediate
  • I/O Subsystemsintermediate
  • Network Programmingintermediate
  • Packet Processingintermediate
  • TCP/IPintermediate
  • UDPintermediate
  • XDP/EBPFintermediate
  • AF_XDPintermediate
  • DPDKintermediate
  • Mellanox SmartNICintermediate
  • Nvidia SmartNICintermediate
  • ConnectX6intermediate
  • ConnectX7intermediate
  • DPU Bluefield3intermediate
  • Intel IPUintermediate
  • SR-IOVintermediate
  • vDPAintermediate
  • Scalable Functionsintermediate
  • Open vSwitchintermediate
  • Openflowintermediate
  • Open Virtual Networkingintermediate
  • Coding Standardsintermediate
  • Code Reviewsintermediate
  • Source Control Managementintermediate
  • Build Processesintermediate
  • Testingintermediate
  • Operationsintermediate
  • Linux Kernel Developmentintermediate
  • Driver Developmentintermediate
  • Network Architecture Designintermediate
  • Troubleshootingintermediate
  • Performance Tuningintermediate
  • Incident Responseintermediate

Required Qualifications

  • 8+ years of proven experience in system programming with C, C++, and/or Rust. (experience)
  • Extensive knowledge of Linux Systems Internals, including kernel internals, memory management, and I/O subsystems. (experience)
  • Expertise in Network Programming and Packet Processing pipelines (TCP/IP, UDP, etc.). (experience)
  • Hands-on experience with kernel bypass technologies such as XDP/EBPF, AF_XDP, and DPDK. (experience)
  • In-depth understanding of network accelerators like Mellanox/Nvidia SmartNIC (ConnectX6/7), DPU Bluefield3, and Intel IPU. (experience)
  • Familiarity with SR-IOV, vDPA, scalable functions, Open vSwitch, Openflow, and Open Virtual Networking. (experience)
  • Knowledge of professional software engineering practices and best practices for the full software development life cycle. (experience)
  • Experience with coding standards, code reviews, source control management, build processes, testing, and operations. (experience)
  • Demonstrated track record of contributions to the open source community (e.g., Open vSwitch/OVS, Open Virtual Networking/OVN, Multus, Cilium). (experience)
  • Bachelor's or Master's degree in Computer Science or a related field. (experience)

Responsibilities

  • Define and execute the roadmap for Crusoe Energy Cloud's Software Defined Networking strategy, aligning with overall business objectives.
  • 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.
  • Stay current with the latest trends and technologies in Software Defined Networking.
  • Participate in the planning and execution of network upgrades and migrations.
  • Contribute to the development of internal tools and automation to improve network efficiency and reliability.
  • Mentor junior engineers and provide technical guidance.

Benefits

  • general: Competitive salary and benefits package.
  • general: Opportunity to work on cutting-edge technology in a rapidly growing company.
  • general: Make a significant impact on the future of sustainable AI infrastructure.
  • general: Collaborative and supportive work environment.
  • general: Professional development opportunities.
  • general: Health insurance (medical, dental, vision).
  • general: Paid time off and holidays.
  • general: 401(k) plan with company match.
  • general: Employee stock options.
  • general: Life insurance and disability coverage.
  • general: Flexible spending accounts.
  • general: Wellness programs.
  • general: Commuter benefits.

Target Your Resume for "High-CTR: Senior Staff Software Engineer, SDN Networking Careers at Crusoe - San Francisco, California | Apply Now!" , Crusoe

Get personalized recommendations to optimize your resume specifically for High-CTR: Senior Staff Software Engineer, SDN Networking Careers at Crusoe - San Francisco, California | Apply Now!. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "High-CTR: Senior Staff Software Engineer, SDN Networking Careers at Crusoe - San Francisco, California | Apply Now!" , Crusoe

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

SDNLinuxNetworkingKernel DevelopmentSan FranciscoFull-timeSoftware Defined NetworkingLinux KernelXDP/EBPFDPDKSmartNICDPUIPUNetwork ProgrammingSystem ProgrammingCC++RustNetwork ArchitectureCloud InfrastructureVirtualizationOpen vSwitchOpenflowOpen Virtual NetworkingCaliforniaCareersJobCrusoe Energy SystemsSustainable AINetwork EngineerKernel DeveloperNetworking InfrastructureGreen TechAI InfrastructureCloudEngineering

Answer 10 quick questions to check your fit for High-CTR: Senior Staff Software Engineer, SDN Networking Careers at Crusoe - San Francisco, California | Apply Now! @ Crusoe.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.