The Company
A rapidly scaling technology-driven trading firm is building the next generation of infrastructure for digital asset markets. The team designs and operates high-performance, globally distributed systems focused on reliability, transparency, and efficiency.
They apply a first-principles engineering culture across liquidity provision, trading solutions, and treasury operations, delivering robust systems that operate at scale.

The Role

As a Core Site Reliability Engineer, you will sit at the centre of the firm's infrastructure operations. Your work will directly influence the reliability, performance, and scalability of a multi-region, low-latency trading environment.

You will collaborate closely with Engineering, Trading, and Data teams while reporting into the firm’s Infrastructure leadership. Your mission: maintain, enhance, and scale the systems that keep the trading platform running at peak performance.

Responsibilities

Infrastructure Reliability & Operations

• Maintain and optimise critical systems including ultra-low-latency networking stacks, cloud environments, data pipelines, and core trading services

• Continuously monitor and tune network performance across global regions

• Ensure high reliability, security, and scalability across mission-critical infrastructure

• Participate in daily operational duties, real-time incident response, and platform stability improvements

Kubernetes & Orchestration

• Develop and maintain in-house Kubernetes operators tailored to complex trading workloads

• Manage containerised services and contribute to smooth, reliable deployment workflows

Automation, Tooling & DevOps

• Enhance CI/CD tooling (FluxCD, GitHub Actions, Python-based automation)

• Build monitoring and observability solutions using Prometheus, Grafana, and related technologies

• Advance DevOps best practices, focusing on application-level reliability, automation, and system visibility

Collaboration & Innovation

• Partner with cross-functional teams to understand requirements and deliver high-impact technical solutions

• Provide technical guidance that strengthens operational capabilities across the firm

• Propose improvements to performance, cost efficiency, and system design

• Communicate complex engineering concepts effectively to non-technical stakeholders

Requirements

Essential Skills & Experience

• Strong expertise in Kubernetes architecture and cluster operations

• Solid background in system and network administration, particularly in low-latency or performance-critical contexts

• Experience with AWS, GCP, and infrastructure-as-code tools (Terraform, Ansible)

• Ability to write high-quality tooling in Golang, Rust, and/or Python

• Hands-on experience with monitoring and observability (Prometheus, Grafana, alerting frameworks)

Highly Advantageous

• Experience with CI/CD systems such as FluxCD and GitHub Actions

• Familiarity with DevOps practices and cloud-native automation

• Background in trading, market-making, or high-frequency environments

• Exposure to ultra-low-latency networking, performance tuning, and throughput optimisation

• Understanding of FinOps and cost optimisation strategies

Personal Qualities

• Clear and confident communicator, able to break down technical ideas to varied audiences

• Strong organisational skills and the ability to prioritise urgent tasks

• Disciplined and methodical approach to troubleshooting

• Eagerness to adopt new technologies and continuously grow skills

• Comfortable operating in a fast-paced, international environment