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

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

As a Staff/Senior Staff Software Engineer specializing in Cloud Hypervisor R&D at Crusoe, you will be at the forefront of developing and optimizing virtualization technologies specifically tailored for our all-AI cloud infrastructure. This pivotal role requires a deep understanding of hypervisor internals, CPU and memory virtualization, I/O virtualization, and performance optimization. Your expertise will be essential in 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, CA.

A Day in the Life

Your typical day might involve:

• Designing and developing core hypervisor components using KVM or QEMU.
• Conducting research into advanced virtualization technologies, exploring novel approaches for AI compute, storage, and networking.
• Prototyping new virtualization features to enhance density, throughput, and latency.
• Developing and enhancing virtual hardware components and device emulation for AI accelerators like GPUs and DPUs.
• Analyzing and tuning the performance of the entire virtualization stack, optimizing for AI/ML workloads.
• Diagnosing and resolving complex system issues within the virtualization layer.
• Collaborating with hardware and guest OS teams to debug integration challenges.
• Conducting code reviews to maintain software quality, reliability, and security.
• Providing technical guidance and mentorship to junior engineers.
• Participating in cross-functional meetings with hardware design, OS development, and AI/ML application teams.

Why San Francisco?

San Francisco is a global hub for technology and innovation, offering unparalleled opportunities for professional growth and networking. Being located in San Francisco allows you to:

• Be at the center of the AI revolution, surrounded by leading tech companies and research institutions.
• Access a diverse pool of talent and collaborate with some of the brightest minds in the industry.
• Attend industry events, conferences, and workshops to stay up-to-date on the latest advancements in virtualization and AI.
• Enjoy a vibrant cultural scene, world-class restaurants, and beautiful outdoor spaces.

Career Path

At Crusoe, we are committed to fostering the growth and development of our employees. As a Staff/Senior Staff Software Engineer, you can expect opportunities to:

• Advance to a Principal Engineer role, leading complex projects and shaping the future of our virtualization technologies.
• Specialize in a particular area of virtualization, such as GPU virtualization or performance optimization.
• Take on a leadership role within the engineering team, mentoring and guiding other engineers.
• Contribute to open-source projects and gain recognition within the virtualization community.

Salary & Benefits

Crusoe offers a competitive salary and benefits package commensurate with experience. The estimated salary range for this position in San Francisco is $180,000 - $280,000 annually. In addition to salary, we offer:

• Comprehensive health insurance (medical, dental, vision).
• Generous paid time off and holidays.
• Stock options, aligning your success with the company's growth.
• 401(k) with company match to help you save for retirement.
• Life insurance and disability coverage for peace of mind.
• Professional development opportunities to enhance your skills and knowledge.

Crusoe Culture

At Crusoe, we value:

• Innovation: We are constantly pushing the boundaries of what's possible with technology.
• Collaboration: We work together as a team to achieve our goals.
• Sustainability: We are committed to building a more sustainable future.
• Impact: We strive to make a meaningful difference in the world.
• Excellence: We are dedicated to delivering high-quality products and services.

We foster a supportive and inclusive work environment where everyone can thrive and contribute their best work.

How to Apply

If you are a passionate and experienced software engineer with a deep understanding of virtualization technologies, we encourage you to apply! Please submit your resume and cover letter through our online application portal.

FAQ

1. What is Crusoe's mission?

   Crusoe's mission is to accelerate the abundance of energy and intelligence.

2. What technologies will I be working with?

   You will be working with hypervisors such as KVM and QEMU, as well as virtualization technologies like CPU virtualization (VT-x/AMD-V), memory virtualization (EPT/NPT, MMU), and I/O virtualization (SR-IOV, virtio).

3. What are the key responsibilities of this role?

   Key responsibilities include designing and developing hypervisor components, researching advanced virtualization technologies, optimizing performance for AI workloads, and collaborating with other engineering teams.

4. What qualifications are required for this role?

   A Bachelor's degree in Computer Science or a related field and 7+ years of experience in hypervisor or virtualization development are required.

5. What is the career path for this role?

   You can advance to a Principal Engineer role, specialize in a particular area of virtualization, or take on a leadership role within the engineering team.

6. What are the benefits of working at Crusoe?

   Crusoe offers a competitive salary and benefits package, including health insurance, paid time off, stock options, and a 401(k) with company match.

7. What is the work environment like at Crusoe?

   Crusoe fosters a collaborative and supportive work environment where everyone can thrive and contribute their best work.

8. How does Crusoe contribute to sustainability?

   Crusoe is committed to building a more sustainable future by accelerating the abundance of energy and intelligence in an environmentally responsible manner.

9. What opportunities are there for professional development?

   Crusoe offers professional development opportunities to enhance your skills and knowledge, helping you grow your career.

10. What is the company culture like at Crusoe?

    The company culture emphasizes innovation, collaboration, sustainability, impact, and excellence.