Senior DevOps Engineer
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Summary
A senior DevOps engineer joins a globally distributed team running mission-critical, low-latency trading infrastructure that handles millions of daily trades across CeFi and DeFi venues. Day to day: automating AWS/Kubernetes infrastructure with Terraform and Ansible, monitoring with Prometheus/Grafana, rotational on-call incident response, and security hardening.
We're looking for a senior DevOps Engineer to join a globally distributed team to help scale and operate infrastructure that powers millions of trades daily across CeFi and DeFi venues. You'll play a mission ciritcal role in ensuring performance, reliability and security of the systems in a demanding environment.
Key responsibilities:
- Ensure performance and reliability of mission-critical trading infrastructure by proactively identifying and resolving bottlenecks at all layers: compute, network, storage and application
- Support, operate, and continuously improve highly available, low-latency systems under global trading load, with a strong focus on automation and enabling self-service for internal teams.
- Participate in a day-time rotational on-call schedule, handling real-time operational incidents, root cause analysis, and long-term preventive improvements.
- Use metrics and observability tools (Prometheus, Grafana, etc.) to detect anomalies, monitor performance trends, and support incident response.
- Build, manage, and scale infrastructure-as-code using Terraform and configuration management tools like Ansible.
- Collaborate closely with trading, engineering, and security teams to align infrastructure improvements with application demands.
- Implement robust security practices, including IAM, threat detection, and secure CI/CD pipelines, to support high-trust production environments.
- Apply low-level optimization strategies to improve throughput, reduce latency, and increase system efficiency across diverse environments.
Requirements:
- 5+ years in a DevOps/SRE roles focussed on high-performance, production-grade systems
- Proficiency in Linux admin and experience managing AWS cloud infrastructure
- Proficiency with containerised workloads (Kubernetes)
- Hands-on experience with observability stacks (Prometheus, Grafana) and production incident response
- Experience with automation and IaC tools; Ansible, Terraform
- Understanding of performance engineering at both the system and network levels, including tuning, profiling, and capacity planning
- Knowledge of cloud networking, security best practices, IAM and SIEM tools
- Experience working with crypto or finance is desireable