Design, implement, and maintain scalable cloud and hybrid infrastructure using IaC. Build, operate, and improve CI/CD pipelines with safe promotion and fast rollback. Containerize applications and manage orchestration (Kubernetes/EKS/GKE). Implement full observability: metrics, tracing, logging, SLIs/SLOs. Optimize infrastructure for low-latency, high-throughput workloads in algo-trading contexts. Support market-data ingestion, order management, FIX connectivity, and real-time pipelines. Automate operational tasks, participate in on-call, and lead incident response & postmortems. Drive capacity planning, performance benchmarking, and chaos testing. Apply best practices in security, compliance, and secrets management. Mentor junior engineers and help define DevOps/SRE standards and operational playbooks.