Software Engineer Infrastructure
About xAI
xAIâs 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 companyâs mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All engineers are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.
About the role
Weâre looking for exceptional infrastructure engineers to redefine what is possible in large-scale AI infrastructure and build the supercomputing platform that powers xAIâs ambitious goals. The initial 200,000 GPU phase of the Colossus supercluster in Memphis was only the beginning of xAIâs infrastructure roadmap, and we need world-class infra engineers to build the future of large-scale AI.
As a Software Engineer on the Infrastructure team, youâll work across multiple workstreams to design, build, and maintain cutting-edge distributed systems that enable our developers to scale our compute and data platforms and ensure efficiency, reliability, and performance at an unprecedented scale.
This role offers the opportunity to shape the backbone of xAIâs technology.
What You'll Do
- Scale compute infrastructure on Kubernetes by building controllers, admission plugins, and supporting systems that empower teams to leverage Kubernetes effectively.
FAQ
- Is the Software Engineer Infrastructure position at xAI remote?
- Yes. This role was posted on Remote Backend Jobs, a job board that lists exclusively fully remote positions.
- When was this Software Engineer Infrastructure job posted?
- This listing was posted on December 24, 2025 and is still open for applications.
- How do I apply for the Software Engineer Infrastructure position at xAI?
- Use the apply button on this page — it takes you directly to the employer’s application page.