Low-Latency Linux Engineer for Trading Tech

Millennium; New York (NY); On-site; USD 175,000 - 250,000; Full time

Job summary

Millennium is seeking a highly skilled Linux/low-latency systems engineer for a globally distributed trading support role in New York. You will work with application developers and portfolio managers to deliver ultra-low-latency capabilities on a production Linux stack, with on‑call rotations and ongoing documentation maintenance.

The ideal candidate has a strong background in Linux internals, kernel bypass tech, and network protocols, plus scripting skills and a collaborative mindset.

Qualifications

• Bachelor's degree in CS or related field is required.
• Strong Linux systems knowledge including kernel internals and memory management.
• Experience with kernel bypass technologies and low-latency networking is preferred.
• Proficiency in Python/Perl scripting and automation is desired.

Responsibilities

• Support and maintain a globally distributed, latency‑critical Linux stack.
• Partner with developers and PMs to translate business requirements into technical deliverables.
• Assist in designing and building ultra‑low‑latency trading capabilities.
• Monitor performance, stability and health of the computing environment.
• Troubleshoot complex production issues including latency and network problems.
• Identify risks, develop contingency plans, and communicate priorities to leadership.
• Automate tasks and improve platform reliability and supportability.
• Participate in monthly on‑call responsibilities and maintain docs for the team.

Skills

Linux internals

Kernel bypass

Networking TCP/IP

FPGA accelerators

Scripting: Python/Perl

Ansible experience

C/C++ knowledge

Clear communication

Education

Bachelor's degree in Computer Science or related field

Job description

Millennium is seeking a highly skilled Linux/low-latency systems engineer for a globally distributed trading support role in New York. You will work with application developers and portfolio managers to deliver ultra-low-latency capabilities on a production Linux stack, with on‑call rotations and ongoing documentation maintenance.

The ideal candidate has a strong background in Linux internals, kernel bypass tech, and network protocols, plus scripting skills and a collaborative mindset.