Platform ULL - Colo - Reliability

In this role you will support Squarepoint’s ultra-low latency infrastructure spanning 400+ servers across 30 sites. You’ll collaborate with SRE, Network, Applications, Quants and business partners to deliver end-to-end solutions, automate operations, and maintain secure, high-performance systems. You’ll manage Linux-based environments, troubleshoot complex issues, and drive self-healing and automation to reduce toil. This position offers impact at scale, contributing to reliable, low-latency trading infrastructure and incident response. You will work to align engineering efforts with business priorities and long-term platform resilience.

• discretionary bonuses
• health insurance
• dental
• 401(k) contributions

• Manage and optimize a distributed compute environment and large-scale storage
• Install, monitor and operate Linux (RHEL-based) systems
• Troubleshoot complex hardware/software issues across the stack
• Create self-healing, automated recovery workflows
• Respond to incidents and participate in on-call rotations
• Improve operational efficiency via automation and standardized processes
• Collaborate with cross-functional teams to prioritize work and deliver both tactical and strategic objectives

• 5+ years of Linux (RHEL/CentOS/Rocky) in large, complex environments
• Experience with low-latency network interfaces and kernel bypass (Solarflare with onload, Mellanox with VMA)
• Experience with build/config management tools (Chef or Ansible)
• Experience with observability tools (Grafana, Prometheus)
• Strong scripting skills (Python, Ruby, Bash)
• Solid understanding of server network stack (TCP, UDP, NTP, PTP, Wireshark/Tshark)
• Trading venue familiarity (Nasdaq, LSE, Euronext)
• Degree in Engineering, Computer Science or related experience

• Critical thinking
• Problem-solving
• Collaborative mindset
• RHEL-based Linux administration
• Low-latency networking and kernel bypass
• Automated configuration management (Chef/Ansible)