Maintain, troubleshoot, and optimize high-performance, low-latency infrastructure supporting global financial exchanges. Responsibilities include tuning RHEL systems, managing highly available routing and multicast networks, implementing security and disaster recovery controls, coordinating maintenance windows and upgrades, and improving automation, configuration management, observability, and operational tooling using Ansible, Zabbix, and Python.

Maintain, troubleshoot, and optimize low-latency, mission-critical trading infrastructure. Support and tune RHEL on bare-metal and hypervisors, operate high-availability multicast and routing (BGP/OSPF/PIM/IGMP), implement security and disaster-recovery controls, lead maintenance windows with exchanges and colo providers, and improve automation and observability (Ansible, Zabbix, Python).