Site Reliability Engineer in City of London

Founded in 2013, GSR is a leading market maker and programmatic trading firm in the fast-evolving world of cryptocurrency trading. With over 200 employees across seven countries, we provide billions of dollars in liquidity daily to cryptocurrency protocols and exchanges. We build long-term relationships with crypto communities and institutional investors by offering exceptional service, expertise, and tailored trading solutions.

GSR works with token issuers, exchanges, investors, miners, and more than 30 cryptocurrency exchanges around the world. In volatile markets we are a trusted partner to crypto native builders and to those exploring the industry for the first time. Our team of veteran finance and technology executives from Goldman Sachs, Two Sigma, and Citadel, among others, has developed one of the world’s most robust trading platforms designed to navigate issues unique to the digital asset markets.

We have continuously improved our technology throughout our history, allowing for our clients to scale and execute their strategies with the highest level of efficiency. Working at GSR is an opportunity to be deeply embedded in every major sector of the cryptocurrency ecosystem.

About the Role

We are seeking a Site Reliability Engineer (SRE) to design, optimize, and support highly available systems across our global trading infrastructure. As part of GSR’s SRE team, you will manage a multi-regional cloud environment while integrating and automating our physical server inventory using Infrastructure as Code (IaC).

You will work across all layers of infrastructure, including:

• Networking & Exchange Connectivity
• Microservice Orchestration & Observability
• Disaster Recovery & Security Optimization

Your mission is to improve latency, scalability, and reliability, ensuring GSR remains a best-in-class market maker. We value engineers who drive automation, reduce friction, and enhance developer velocity through better tooling, CI/CD, and infrastructure design.

Who We’re Looking For

Core Skills

• Containers & Orchestration: Strong expertise in container security and Kubernetes (multi-cluster/global deployment is a plus).
• Distributed Systems & Messaging: Knowledge of clusters, storage, Kafka, Aeron, and experience with multicast or HPC.
• Automation & IaC: Proficiency in Python, Golang, or Rust with experience in IaC tools and immutable infrastructure.
• Continuous Delivery & Config Management: Familiarity with FluxCD, ArgoCD, and custom CD deployments. Strong grasp of CI/CD pipelines.
• Linux & Networking: Solid understanding of Linux internals, cgroups, routing, switching, firewalls, and DNS/service discovery.
• Databases: Experience with MySQL, MongoDB, and database administration (Flyway or Liquibase a plus).

Bonus Experience

• Data center operations
• Crypto, fintech, bare-metal provisioning or trading experience

What We Offer

• A collaborative and transparent company culture founded on Integrity, Innovation and Performance.
• Competitive Salary with two discretionary bonus payments a year.
• Benefits such as Healthcare, Dental, Vision, Retirement Planning, 30 days holiday and free lunches when in the office.
• Hybrid working pattern in all of our offices from London, New York, Singapore, Zug and Malaga.
• Regular Town Halls and offsites, team lunches and drinks.
• A Corporate and Social Responsibility program as well as charity fundraising matching and volunteer days.
• Immigration and relocation support where required.

GSR is proudly an Equal Employment Opportunity employer. We do not discriminate based upon any applicable legally protected characteristics such as race, religion, colour, country of origin, sexual orientation, gender, gender identity, gender expression or age. We operate a meritocracy; all aspects of people engagement from the decision to hire or promote as well as our performance management process will be based on the business needs and individual merit. Learn more about us at www.gsr.io.