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Infrastructure Engineer - Supercomputing

San Francisco & Palo Alto, CA

About xAI

xAI’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 engineers and researchers are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.

Tech Stack

  • Kubernetes
  • Pulumi
  • Rust and Go
  • Flux / ArgoCD

Location

The role is based in the Bay Area [San Francisco and Palo Alto]. Candidates are expected to be located near the Bay Area or open to relocation.

Focus

  • Operating some of the world’s largest GPU supercomputing clusters for both AI training and serving production models.
  • Implement IaC best practices, enhancing deployment pipelines, and ensuring robust, secure service delivery across our production environments.
  • Working with both on-premise clusters and cloud providers.
  • Help with security best practices for internal researchers and live external traffic.

Ideal Experiences

  • Writing scalable and highly available containerized applications in Rust.
  • Managing compute fleets with Pulumi, Terraform, Ansible, or other stateful automation libraries.

Interview Process

After submitting your application, the team reviews your CV and statement of exceptional work. If your application passes this stage, you will be invited to an initial interview (45 minutes - 1 hour) during which a member of our team will ask some basic questions. If you clear the initial phone interview, you will enter the main process, which consists of four technical interviews:

  1. Coding assessment in a language of your choice.
  2. Systems design: Translate high-level requirements into a scalable, fault-tolerant service.
  3. Systems hands-on: Demonstrate practical skills in a live problem-solving session.
  4. Project deep-dive: Present your past exceptional work to a small audience.
  5. Meet and greet with the wider team.

Our goal is to finish the main process within one week. All interviews will be conducted via Google Meet.

Annual Salary Range

$180,000 - $370,000 USD

xAI is an equal opportunity employer and does not unlawfully discriminate based on race, color, religion, ethnicity, ancestry, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, age, disability, medical conditions, genetic information, marital status, military or veteran status, or any other applicable legally protected characteristics. 

Qualified applicants with arrest or conviction records will be considered for employment in accordance with all applicable federal, state, and local laws, including the San Francisco Fair Chance Ordinance, Los Angeles County Fair Chance Ordinance for Employers, and the California Fair Chance Act. 

For Los Angeles County (unincorporated) Candidates:

xAI reasonably believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: 

  • Access to information technology systems and confidential information, including proprietary and trade secret information, and/or user data;
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  • Exercising sound judgment.

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