We're looking for an experienced Linux Engineer to help manage and optimise global server environments supporting high-performance trading and machine learning workloads. This role is about more than just administration - you'll tackle performance tuning, automation, and hands-on data centre troubleshooting. What You'll Do: Design, implement, and maintain Linux server infrastructure Tune Kernel parameters and optimise system performance for low-latency, high-throughput applications Develop and refine automation solutions using Ansible, Python, and Terraform Troubleshoot hardware, networking, and performance issues in various environments Deploy monitoring and log aggregation tools to improve observability Collaborate with teams to identify bottlenecks and deploy scalable, automated solutions What We're Looking For: 6 years of Linux system administration and engineering experience in performance-critical environments Proficiency in Python and bash Scripting, with hands-on Ansible experience Solid networking fundamentals: IP Addressing, VLANs, etc. Familiarity with observability tools like Prometheus, Grafana, and ELK Infrastructure-as-code experience with Terraform and CI/CD pipelines Proven ability to resolve complex system-level issues and performance challenges Knowledge of container orchestration tools (Docker/containers, Kubernetes) Desirable: Experience with GPU server deployments Exposure to AWS services and hybrid cloud setups Understanding of on-premise storage systems