Senior DevOps Engineer at Paragon Alpha - Hedge Fund Talent Business – Singapore | Jobyssey

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

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