Job Overview
Location
San Francisco, CA - US
Job Type
Full-time
Category
Engineering
Date Posted
July 21, 2026
Full Job Description
đź“‹ Description
- • 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.
- • 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.
🎯 Requirements
- • 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.
🏖️ Benefits
- • 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
Skills & Technologies
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About Crusoe Energy Systems LLC
Crusoe Energy Systems is building Crusoe Cloud, an AI cloud platform that provides managed AI services and AI data center infrastructure. They cater to businesses seeking to accelerate AI solution development with optimized models and high-performance computing. The company utilizes environmentally aligned power sources, including wind, solar, and natural gas, to power its data centers. With features like managed Kubernetes and Slurm, Crusoe simplifies operations and ensures reliability with 24/7 support. Crusoe is expanding its reach, including a strategic European expansion with its first data center in Norway. Crusoe recently raised $1.375 billion at a valuation above $10 billion.
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