Senior Performance Engineer

Crusoe•San Francisco, CA

2d•$170,000 - $205,000

About The Position

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.

Requirements

Deep expertise in Linux system internals and kernel-level programming is essential for this role.
Expert-level skills in Go, C, and C++ (Rust is also a strong asset).
A proven track record of hands-on performance tuning, benchmarking, and optimization in complex environments.
A bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent professional experience.
Ability to work effectively within cross-functional teams, communicating complex technical concepts clearly to stakeholders.
Experience or exposure to the Artificial Intelligence/Cloud ecosystem and standard industry tooling.

Nice To Haves

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.

Responsibilities

Design and execute rigorous benchmarks to analyze system behavior, identifying bottlenecks and opportunities for performance enhancement.
Develop and implement low-level optimizations within the Linux kernel to maximize efficiency and system throughput.
Write and maintain high-performance code using Go, C, C++, or Rust to drive infrastructure improvements.
Focus on data plane performance, ensuring our cloud architecture meets the high-speed requirements of modern AI workloads.
Partner closely with Software Infrastructure, Product, and other engineering teams to align performance initiatives with broader organizational goals.
Actively troubleshoot complex system issues, applying an analytical approach to ensure reliability and scalability.
Contribute to team documentation and best practices, fostering a culture of technical excellence and continuous improvement.