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$170k–$205k/yr
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Skills: Linux Kernel Optimization, Performance Benchmarking, Go, C, C++
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San Francisco, California, United States · On-site
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Design and execute rigorous system benchmarks to identify bottlenecks and implement low-level Linux kernel optimizations. Collaborate with cross-functional teams to tune data plane performance for high-speed AI workloads.
Requires deep expertise in Linux system internals and proficiency in Go, C, and C++, with Rust as a strong asset. A bachelor's degree in Computer Science or Engineering, or equivalent professional experience, is required.
Crusoe is on a mission to accelerate the abundance of energy and intelligence. As the only vertically integrated AI infrastructure company built from the ground up, we own and operate each layer of the stack — from electrons to tokens — to power the world's most ambitious AI workloads. When you join Crusoe, you join a team that is building the future, faster.
We're in the midst of the greatest industrial revolution of our time. The demand for AI compute is boundless, and power is a bottleneck. We're solving that — with an energy-first approach that makes AI infrastructure better for the world and faster for the people innovating with AI.
We're looking for problem-solving, opportunity-finding teammates with a sense of urgency, who believe in the scale of our ambition and thrive on a path not fully paved — people who want to grow their careers alongside a team of experts across energy, manufacturing, data center construction, and cloud services.
If you want to do the most meaningful work of your career, help our customers and partners advance their AI strategies, and be part of a high-performing team that believes in each other, come build with us at Crusoe.
We are seeking a highly skilled, hands-on Senior level performance engineer who thrives on deep technical challenges. The ideal candidate possesses a mastery of Linux kernel systems and low-level optimization, with a collaborative mindset to drive cross-functional projects. This is a full-time position where you will roll up your sleeves to perform direct performance benchmarking and system tuning, making a tangible impact on Crusoe’s global compute operations.
System Performance Benchmarking: Design and execute rigorous benchmarks to analyze system behavior, identifying bottlenecks and opportunities for performance enhancement.
Kernel Optimization: Develop and implement low-level optimizations within the Linux kernel to maximize efficiency and system throughput.
Hands-on Development: Write and maintain high-performance code using Go, C, C++, or Rust to drive infrastructure improvements.
Data Plane Tuning: Focus on data plane performance, ensuring our cloud architecture meets the high-speed requirements of modern AI workloads.
Cross-Functional Collaboration: Partner closely with Software Infrastructure, Product, and other engineering teams to align performance initiatives with broader organizational goals.
Technical Problem-Solving: Actively troubleshoot complex system issues, applying an analytical approach to ensure reliability and scalability.
Strategic Knowledge Sharing: Contribute to team documentation and best practices, fostering a culture of technical excellence and continuous improvement.
Linux Kernel Mastery: Deep expertise in Linux system internals and kernel-level programming is essential for this role.
Programming Proficiency: Expert-level skills in Go, C, and C++ (Rust is also a strong asset).
Systems Performance Mindset: A proven track record of hands-on performance tuning, benchmarking, and optimization in complex environments.
Educational Foundation: A bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent professional experience.
Collaborative Spirit: Ability to work effectively within cross-functional teams, communicating complex technical concepts clearly to stakeholders.
AI Ecosystem Familiarity: Experience or exposure to the Artificial Intelligence/Cloud ecosystem and standard industry tooling.
Hands-on experience with Rust development.
Prior experience working in high-scale cloud or infrastructure engineering environments
Deep familiarity with performance-critical infrastructure components beyond the kernel layer.
Experience with specific low-level performance analysis and tracing tools.
Competitive compensation and equity packages
Restricted Stock Units
Paid time off, paid holidays & leave of absence programs
Comprehensive health, dental & vision insurance
Employer contributions to HSA account
Paid parental leave
Paid life insurance, short-term and long-term disability
Professional development & tuition reimbursement
Mental health & wellness support
Commuter benefits (parking & transit)
Cell phone stipend
401(k) Retirement plan with company match up to 4% of salary
Volunteer time off
Global travel insurance & emergency assistance
Daily meals allowance
Additional perks & programs specific to location
Compensation will be paid in the range of up to $170,000 - $205,000. + Bonus. Restricted Stock Units are included in all offers. Compensation to 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.
The AI factory company. We are on a mission to accelerate the abundance of energy and intelligence.
As the AI factory company, Crusoe is on a mission to accelerate the abundance of energy and intelligence. The company provides a reliable, scalable, cost-effective, and energy-first solution for AI infrastructure. By harnessing large-scale energy resources, building AI-optimized data centers, and delivering an AI cloud platform, Crusoe empowers its customers to build the future faster.
Offices: Denver, Colorado 80202, US
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