Senior Site Reliability Engineer — Predictions Trading

Susquehanna International Group, LLP; Bala Cynwyd (PA); On-site; USD 160,000 - 230,000; Full time

Job summary

Susquehanna International Group, LLP is seeking a Site Reliability Engineer (Predictions) to ensure reliability and performance of trading desk services in a cloud-native, Kubernetes-based environment.

You will build tooling, automate deployments, and drive observability using Prometheus, Grafana, Loki, and related technologies across Kafka, PostgreSQL, and Redis. Collaboration with quants and traders is a key part of the role, with on-call responsibilities and incident response improvements.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• 10+ years of professional experience in technology (software engineering, site reliability engineering, or a similar hands-on technical role).
• 5+ years supporting production systems in a containerized environment (Kubernetes strongly preferred; AKS and/or EKS experience a plus).
• Experience with AWS (EKS, IAM, networking, managed data services) and/or multi-cluster Kubernetes operations.
• Strong software engineering and scripting skills, especially in Python, Go and/or bash.
• Hands-on experience with core production technologies such as Kafka, Prometheus, Grafana, Loki, PostgreSQL, Redis, Git, and GitOps/CD tooling (e.g. ArgoCD).
• Strong troubleshooting skills in a highly distributed environment.
• Excellent communication skills and comfort working closely with developers, quants and traders.

Responsibilities

• Design, build, and maintain tooling and automation to monitor the health, performance, and correctness of production services.
• Write production-grade software and scripts to support reliability, deployment workflows, and operational visibility.
• Own and improve observability across metrics, logs, and alerting using Prometheus, Grafana, and Loki.
• Operate and support core data and messaging infrastructure, including Kafka, PostgreSQL, and Redis.
• Develop and maintain GitOps based workflows, CI/CD, containerization, and deployment pipelines.
• Own production readiness for new system changes, ensuring safe rollout and high availability.
• Investigate and resolve production issues across distributed systems, Linux, Kubernetes, networking, and application layers.
• Contribute to continuous improvement of incident response, monitoring, alerting, and post-mortem practices.
• Serve as a member of an on-call schedule to handle production issues, drive incident resolution, and contribute to post-incident improvements.

Skills

Kubernetes

Go

Python

Bash

Kafka

PostgreSQL

Redis

Prometheus

Grafana

Loki

Git

ArgoCD

GitOps

AWS

EKS

AKS

Observability

Distributed systems

Education

Bachelor’s degree in Computer Science, Engineering, or a related field

Tools

Kubernetes

AWS

EKS

AKS

Kafka

PostgreSQL

Redis

Prometheus

Grafana

Loki

Git

ArgoCD

GitOps/CD tooling

Job description

Susquehanna International Group, LLP is seeking a Site Reliability Engineer (Predictions) to ensure reliability and performance of trading desk services in a cloud-native, Kubernetes-based environment.

You will build tooling, automate deployments, and drive observability using Prometheus, Grafana, Loki, and related technologies across Kafka, PostgreSQL, and Redis. Collaboration with quants and traders is a key part of the role, with on-call responsibilities and incident response improvements.