Linux Low Latency Systems Engineer

We are seeking a Linux Low Latency Systems Engineer to join our team at Equity IT, working on a project for Millennium, a global alternative investment firm.

The successful candidate will be responsible for supporting and maintaining Linux, virtualization, and related infrastructure as part of a globally deployed engineering team. They will also build, operate, and continuously improve a high-performance, low-latency trading platform in partnership with infrastructure and application support teams.

Key responsibilities include:

• Supporting and maintaining Linux, virtualization, and related infrastructure
• Building, operating, and continuously improving a high-performance, low-latency trading platform
• Identifying, prioritizing, and resolving complex incidents and service requests
• Gathering requirements, evaluating technical options, and implementing solutions aligned with business and platform needs
• Monitoring platform health and performance, investigating latency and performance issues using diagnostic tools
• Delivering stable, repeatable, and high-performing Linux systems through automation and code-driven engineering practices
• Leading technical discussions, communicating clearly with stakeholders, and partnering across engineering, development, and business teams to solve complex problems

The ideal candidate will have:

• 5+ years of hands-on experience in financial technology services, including 3+ years supporting low-latency trading systems and scalable infrastructure
• Deep Linux systems engineering expertise, including performance tuning, low-latency networking, Solarflare OpenOnload, multicast networking, cgroups/cpusets, kernel parameters, and BIOS-level tuning
• Hands-on experience with enterprise server platforms, VMware ESXi/vCenter, networking, DNS, and time-synchronization services including NTP, PTP, PPS, and WR
• NVIDIA GPU/CUDA experience for Linux infrastructure and performance-sensitive workloads
• Experience using AI assistants in daily engineering work, including troubleshooting, coding/scripting, terminal workflows, and operational automation
• Strong Python and Bash scripting skills, with Ansible configuration-management experience; Chef, Puppet, and Terraform are a plus