ML Infrastructure Engineer

ML Infrastructure EngineerPalo Alto, California, United StatesSpaceXAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.About The Role:As an ML Infrastructure Engineer, you will play a pivotal role in building and optimizing the reliable, high-performance ML platform that powers recommendations on X. We're looking for exceptional engineers who are passionate about our mission and have a strong desire to make a meaningful impact.Responsibilities:Designing, building, and scaling GPU compute infrastructure, training frameworks, and experimentation tools to enable rapid iteration on ML hypothesesDeveloping data pipelines and integrating large-scale data, training, and inference systemsCollaborating with ML teams to productionize models and ensure seamless integration across the stackEnsuring scalability, reliability, and efficiency of large-scale machine learning systemsWorking across the full stack to solve complex problems independentlyMentoring junior engineers and contributing to the growth of the teamBasic Qualifications:Bachelor, Master, Post-graduate or PhD in computer science, machine learning, or other quantitative discipline; or equivalent work experience2+ years of industry experience working with high traffic or large-scale production environments, distributed systems, GPU infrastructure, and/or deep learning applications2+ years experience with ML platforms, training infrastructure, or close collaboration with modeling engineers and data scientistsStrong proficiency with Python and experience with compiled languages such as C++ or RustPreferred Skills And Experience:Deep familiarity with modern ML frameworks such as JAX or PyTorchLow-level understanding of compute systems, including distributed storage, NVIDIA drivers, CUDA toolkits, and networkingComfortable with Linux systems and orchestration toolsExperience with job schedulers (e.g., Slurm), configuration management (Puppet/Ansible), or related infrastructure toolingCompensation And Benefits:$180,000 - $440,000 USDBase salary is just one part of our total rewards package at xAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks.SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.