Senior Performance Engineer

Crusoe Energy Systems; San Francisco (CA); On-site; USD 180,000 - 240,000; Full time

Benefits offered by this job

Health benefits

Paid time off

401(k) match

Mental wellness

Job summary

Crusoe Energy Systems in San Francisco, CA is seeking a Senior Performance Engineer who thrives on deep technical challenges and hands-on work to optimize compute infrastructure for AI workloads. You will design benchmarks, develop kernel-level optimizations, and contribute high-performance code in Go, C, C++, or Rust, partnering across teams to improve reliability and scalability.

The role requires a bachelor’s degree in CS/Engineering or equivalent experience and a proven track record in

Qualifications

• Bachelor’s degree in CS/Engineering or equivalent experience.
• Expertise in Linux kernel internals and low-level optimization.
• Strong hands-on programming in Go, C, C++, and Rust.

Responsibilities

• Design and execute rigorous benchmarks to analyze system behavior.
• Identify bottlenecks and opportunities for performance improvements.
• Develop and implement kernel-level optimizations for throughput.
• Write and maintain high-performance Go, C, C++, or Rust code.
• Tune data plane performance to meet AI workload demands.
• Collaborate with Software Infrastructure, Product, and other teams.
• Troubleshoot complex system issues and ensure reliability.

Skills

Go

C

C++

Rust

Linux kernel concepts

Performance benchmarking

System tuning

Education

Bachelor's degree in Computer Science, Engineering, or related field

Job description

• We are seeking a highly skilled, hands‑on Senior level performance engineer who thrives on deep technical challenges
• 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

Benefits

• Health & wellbeing: Comprehensive health benefits designed to support your overall wellness
• Time away: Paid time off for vacations, family bonding, and unexpected needs
• 401(k) match: Build your financial future with our 401(k) matching program
• Mental wellness: Resources and support for your emotional wellbeing and navigating life’s challenges

The ideal candidate possesses a mastery of Linux kernel systems and low‑level optimization, with a collaborative mindset to drive cross-functional projectsAI Ecosystem Familiarity: Experience or exposure to the Artificial Intelligence/Cloud ecosystem and standard industry toolingLinux Kernel Mastery: Deep expertise in Linux system internals and kernel-level programming is essential for this roleProgramming 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 environmentsEducational Foundation: A bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent professional experienceCollaborative Spirit: Ability to work effectively within cross‑functional teams, communicating complex technical concepts clearly to stakeholdersHands‑on experience with Rust developmentPrior experience working in high‑scale cloud or infrastructure engineering environmentsDeep familiarity with performance‑critical infrastructure components beyond the kernel layerExperience with specific low‑level performance analysis and tracing tools