Senior DevOps Engineer

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.

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• 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

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• Proficiency in Linux admin and experience managing AWS cloud infrastructure
• Proficiency with containerised workloads (Kubernetes)
• Strong scripting and automation capabilities using Python and Bash; knowledge of Go, JavaScript, or TypeScript is a desireable
• 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