At a glance
- Type
- Full Time
- Location
- London, GB+1 more: New York City, New York
- Posted
- May 22, 2026
- Company size
- Small (51-500)
- Industry
- Finance/FinTech
About the role
We are seeking an Infrastructure Generalist to build, evolve and maintain the core infrastructure that underpins and protects Xantium’s technology environment. This is a highly visible role working closely with Security, Engineering, and Operations teams.
This is an opportunity to operate in a greenfield, high-performance environment where decisions have immediate and long-term impact.
Key Responsibilities Include
- Building and maintaining infrastructure across compute, storage, networking, and cloud environments.
- Owning system configuration, deployment, and troubleshooting across endpoints, servers, and services.
- Defining and running experiments to improve performance, reliability, and system design.
- Translating learnings from experiments into durable, production-ready solutions.
- Driving architectural decisions that support growth and operational resilience.
Requirements
- 4+ years of experience in infrastructure or systems engineering within complex environments.
- Deep understanding of how computers, operating systems, and networks work.
- Broad experience across cloud platforms, and infrastructure tooling.
- Strong ability to reason from first principles and debug unfamiliar systems.
- Proven ability to experiment thoughtfully and apply learnings to real systems.
- Pragmatic, high-ownership mindset with clear and structured thinking.
- Bachelor’s degree is preferred
About Xantium
Xantium
Finance/FinTech · Small (51-500)
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