Crusoe: Staff/Senior Staff Software Engineer - Cloud Hypervisor R&D

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.

Role Overview

The Crusoe Cloud Software Development team is seeking a passionate and experienced Staff/Senior Staff Software Engineer specializing in Hypervisor Virtualization and Virtualization Research. This pivotal role is critical in the design, development, and optimization of our virtualization technologies, specifically tailored for an all-AI cloud infrastructure. A deep understanding of hypervisor internals, CPU and memory virtualization, I/O virtualization, and performance optimization is essential for developing reliable, high-performance, and secure virtualized environments that power our cutting-edge AI products. This is a full-time position based in San Francisco, California.

A Day in the Life

As a Staff/Senior Staff Software Engineer in Cloud Hypervisor R&D at Crusoe, your day will be dynamic and challenging. You might start by diving into the Linux kernel, debugging a performance bottleneck in the KVM hypervisor. Next, you could be collaborating with the hardware team to optimize GPU virtualization for AI workloads. Later, you might be conducting code reviews, mentoring junior engineers, or researching novel virtualization techniques. A typical day involves a mix of hands-on coding, problem-solving, collaboration, and research, all focused on pushing the boundaries of virtualization technology for AI.

Why San Francisco?

San Francisco is a global hub for technology and innovation, offering a vibrant ecosystem of startups, established tech companies, and research institutions. Being located in San Francisco provides access to a wealth of talent, resources, and opportunities for professional growth. The city's proximity to Silicon Valley also fosters a culture of innovation and collaboration, making it an ideal location for Crusoe to develop cutting-edge cloud infrastructure for AI.

Career Path

At Crusoe, we are committed to providing opportunities for our employees to grow and develop their careers. As a Staff/Senior Staff Software Engineer, you can progress along a technical track, becoming a Principal Engineer or a Technical Fellow, leading research and development efforts in virtualization technology. Alternatively, you can pursue a management track, becoming an Engineering Manager or Director, leading a team of engineers and shaping the future of Crusoe Cloud. We also offer opportunities to contribute to open-source projects, present at industry conferences, and publish research papers, further enhancing your professional reputation.

Salary & Benefits

Crusoe offers a competitive salary and benefits package, commensurate with experience and qualifications. The salary range for this role is estimated to be between $180,000 and $280,000 per year. In addition to salary, Crusoe provides a comprehensive benefits package, including medical, dental, and vision insurance, paid time off and holidays, a 401(k) plan with company match, stock options, an employee assistance program, professional development budget, commuter benefits, wellness programs, life insurance, and disability insurance.

Crusoe Culture

At Crusoe, we foster a culture of innovation, collaboration, and continuous learning. We are passionate about solving challenging problems and making a positive impact on the world. We value teamwork, open communication, and a growth mindset. We are committed to creating a diverse and inclusive work environment where everyone feels valued and respected. We also offer opportunities for employees to participate in volunteer activities and give back to the community.

How to Apply

If you are a passionate and experienced software engineer with a deep understanding of hypervisor virtualization and a desire to work on cutting-edge technology for AI, we encourage you to apply. Please submit your resume and cover letter through our online application portal. Be sure to highlight your relevant skills and experience, and explain why you are interested in working at Crusoe. We look forward to hearing from you!

FAQ

1. What is Crusoe's mission? Crusoe's mission is to accelerate the abundance of energy and intelligence.
2. What kind of virtualization experience is required? We are looking for candidates with deep knowledge of hypervisor internals (e.g., KVM, QEMU, Xen), CPU virtualization (VT-x/AMD-V), memory virtualization (EPT/NPT, MMU), and I/O virtualization (SR-IOV, virtio).
3. What programming languages are used at Crusoe? We primarily use C/C++ and Python.
4. What is the work environment like at Crusoe? We foster a culture of innovation, collaboration, and continuous learning.
5. What are the benefits of working at Crusoe? We offer a competitive salary and benefits package, including medical, dental, and vision insurance, paid time off, and a 401(k) plan.
6. Where is this position located? This position is located in San Francisco, California.
7. What are the opportunities for career growth at Crusoe? We offer opportunities to progress along a technical track or a management track.
8. Is experience with AI/ML workloads required? Familiarity with AI/ML workloads and their performance characteristics is a plus.
9. What is Crusoe doing to be sustainable? We're crafting the engine that powers a world where people can create ambitiously with AI — without sacrificing scale, speed, or sustainability.
10. What is the interview process like? The interview process typically involves a phone screen, a technical interview, and an interview with the hiring manager and team members.