Senior Site Reliability Engineer (SRE)

Nebius; Greater London; On-site; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Competitive compensation

Career growth

Learning opportunities

Flexibility

Ownership

Collaborative culture

Impactful AI projects

International environment

Job summary

Nebius is building a full‑stack AI cloud platform and continuously scales its services in a fast‑moving environment. You will join a team delivering high‑reliability infrastructure for data and model deployment, with emphasis on performance and availability.

The role focuses on building scalable backend systems, improving deployment pipelines, and applying cloud expertise to support cutting‑edge AI workloads across regions and platforms.

Qualifications

• Proficient in Go, Python, or C++ with strong CS fundamentals.
• Solid understanding of classic algorithms and data structures.
• Commercial Unix and networking experience.
• Experience with containerization and CM tools (Ansible, Salt, Terraform, Docker, Kubernetes, Helm).

Responsibilities

• Ensure fault‑tolerance, scale, and uninterrupted operations for the service.
• Use cutting‑edge cloud technology to solve a variety of infrastructure problems.
• Implement and improve CI/CD processes.

Skills

Go

Python

C++

Tools

Docker

Kubernetes

Terraform

Ansible

Salt

Helm

Job description

Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full‑stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in‑house AI/ML infrastructure. Built by engineers, for engineers. From large‑scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D.

The Role

Your Responsibilities Will Include

• Ensure fault‑tolerance, scale, and uninterrupted operations for the service.
• Use cutting‑edge cloud technology to solve a variety of infrastructure problems.
• Implement and improve CI/CD processes.

We Expect You To Have

• Solid experience with programming languages like Go, Python, or C++.
• Solid understanding of classic algorithms and data structures.
• Commercial experience with and deep understanding of Unix systems and network technology.
• Experience with systems for containerization and configuration management (Ansible, Salt, Terraform, Docker, K8s, Helm).

It Will Be An Added Bonus If You Have

• Desire to be involved in backend development.
• Experience designing, developing, and running high‑load distributed systems.
• Commercial experience with a variety of cloud platforms.

We conduct coding interviews as part of the process.

Benefits & Perks

• Competitive compensation
• Career growth and learning opportunities
• Flexibility and ownership
• Collaborative and innovative cultureOpportunity to work on impactful AI projects
• International environment and talented teams

What's It Like To Work At Nebius

Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI

Equal Opportunity Statement

Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.