Site Reliability Engineer - Tier-1 Quantitative Trading Company

Hamilton Barnes ?; Greater London; On-site; GBP 85,000 - 125,000; Full time

Job summary

Hamilton Barnes in London is seeking a Site Reliability Engineer to join its Platform Engineering team. The role focuses on building internal platforms, tooling and automation for a global production environment, working at the intersection of software engineering and infrastructure.

You will work across Linux, distributed systems and cloud-native technologies to develop scalable tooling that improves reliability, observability and operational efficiency, with an emphasis on solving

Qualifications

• Proficiency in Python/Go/C++ and Linux.
• Experience with CI/CD and Kubernetes.
• Strong troubleshooting in distributed systems.

Responsibilities

• Design and develop internal infrastructure tooling and automation.
• Build and maintain monitoring, observability and configuration management platforms.
• Improve platform reliability, scalability and operational efficiency.
• Troubleshoot performance issues across complex distributed systems.
• Support application deployments using modern CI/CD pipelines and Kubernetes.
• Collaborate with engineering teams to improve infrastructure and developer workflows.
• Contribute to platform architecture and ongoing technical improvements.

Skills

Python

Go

C++

Linux

Distributed systems

Tools

CI/CD pipelines

Git

Kubernetes

Infrastructure automation

Job description

Job Title: Site Reliability Engineer - Quantitative Trading Location: city of London (on-site)

We're partnering with a leading technology-driven trading firm to hire a Site Reliability Engineer to join its Platform Engineering team in London. This role sits at the intersection of software engineering and infrastructure, focusing on building the internal platforms, tooling and automation that support a global production environment.

You’ll work across Linux, distributed systems and cloud-native technologies, developing scalable tooling that improves reliability, observability and operational efficiency. It's an excellent opportunity for an engineer who enjoys solving infrastructure problems through software rather than manual administration.

Key Responsibilities

• Design and develop internal infrastructure tooling and automation.
• Build and maintain monitoring, observability and configuration management platforms.
• Improve platform reliability, scalability and operational efficiency.
• Troubleshoot performance issues across complex distributed systems.
• Support application deployments using modern CI/CD pipelines and Kubernetes.
• Collaborate with engineering teams to improve infrastructure and developer workflows.
• Contribute to platform architecture and ongoing technical improvements.

Skills Required

• Strong experience programming with Python, Go and/or C++
• Strong Linux knowledge and understanding of distributed systems.
• Experience with monitoring, observability or SRE practices.
• Experience with CI/CD pipelines, Git and infrastructure automation.
• Familiarity with Kubernetes and containerised workloads.
• Strong analytical and troubleshooting skills.

Location

City of London (on-site)

Why Join?

• Build the tooling and platforms that underpin a global engineering organisation.
• Join an engineering-led culture that values automation, reliability and continuous improvement.
• Tackle technically challenging problems alongside highly experienced engineers.
• Excellent opportunities for technical growth and career progression.