1. Home
  2. Jobs
  3. United Kingdom
  4. London
  5. Backend Engineering
  6. Site Reliability Engineer (SRE) - grok.com & API
XA

Site Reliability Engineer (SRE) - grok.com & API

xAI
Posted onFeb 26, 2026
LocationLondon, England, United Kingdom (On-site)
Employment typeFull-time

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

About the team

You will work on the team that is responsible for the backend services that power our products such as grok.com and the API. We focus on writing and maintaining highly scalable and reliable services that can efficiently process tens of thousands of queries per second. The services are hosted on a number of Kubernetes clusters (on-prem & cloud).

About the role

An ideal candidate meets at least the following requirements:

  • Expert knowledge of Kubernetes.
  • Expert knowledge of continuous deployment systems such as Buildkite and ArgoCD.
  • Expert knowledge of monitoring technologies such as Prometheus, Grafana, and PagerDuty.
  • Expert knowledge of infrastructure as code technologies such as Pulumi or Terraform.
  • Familiarity with a systems programming language like Rust, C++ or Go
  • Experience with traffic management and HTTP proxies such as nginx and envoy.

Location

This position is in-person in London, UK. We usually work from the office 5 days a week but allow for work-from-home days when required. Candidates must be willing to attend late meetings at least once a week to coordinate with the rest of our team in Palo Alto.

Interview process

After submitting your application, the team reviews your statement of exceptional work and CV. If your application passes this stage, the interview process is as follows:

  1. Initial technical screening during which a member of our team will ask some basic technical questions (15 minutes)
  2. Coding interview (45 minutes)
  3. Distributed System Design interview (45 minutes)
  4. Final stage with founding engineer Toby Pohlen (30 minutes)

All interviews will be conducted via Google Meet.

Benefits

Base salary is just one part of our total rewards package at xAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to our Aviva pension plan, short & long-term disability insurance, life insurance, and various other discounts and perks.

Privacy Policy

xAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.

xAI is an AI company founded by Elon Musk in 2023 with the mission to advance scientific discovery and gain a deeper understanding of the universe through artificial intelligence.

Similar jobs

You might also be interested in...

CO1w

Software Engineer II, Developer Experience (Delivery)

CoreWeave

Livingston, New Jersey, United States (Hybrid)

$109k – $160k Yearly

MA2w

Site Reliability Engineer

Mistral AI

Europe + 7 more (Remote)

NE5d

Senior Site Reliability Engineer

Nebius

Europe (Remote)

RE2w

Site Reliability Engineer

Replit

Foster City, California, United States (Hybrid)

$160k – $250k Yearly

RE2w

Staff Site Reliability Engineer

Replit

Foster City, California, United States (Hybrid)

$220k – $325k Yearly