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Site Reliability Engineer

Selby JenningsChicago, IL🇺🇸United StatesPosted Aug 28, 2026

Why This Role Stands Out

This hybrid Site Reliability Engineer role offers a fantastic opportunity to enhance critical trading infrastructure at a leading proprietary trading firm, utilizing your Python and HPC expertise to drive performance and reliability. You'll thrive here if you are a problem-solver with a passion for automation and building robust systems in a dynamic, high-stakes environment. Apply now to join a team focused on innovation and operational excellence.

Quick Overview

Seniority
Mid Senior
Employment type
Full Time
Work mode
Hybrid
Location
Chicago, IL, United States
Posted
3 weeks ago
Python

Job Description

Site Reliability Engineer

Location: Chicago, IL (Hybrid)

A leading proprietary trading firm is seeking a Site Reliability Engineer to support and enhance the reliability, performance, and scalability of critical trading infrastructure.

Responsibilities

  • Build and maintain reliable, high-performance infrastructure supporting trading and research systems.
  • Develop automation and operational tooling using Python.
  • Monitor system health, troubleshoot production issues, and drive performance improvements.
  • Support and optimize HPC clusters and distributed compute environments.
  • Improve observability, incident response, and operational processes.
  • Collaborate with software engineers to enhance platform reliability and efficiency.

Requirements

  • 4+ years of experience in Site Reliability Engineering, Production Engineering, or Infrastructure Engineering.
  • Strong Python programming and automation skills.
  • Experience supporting High Performance Computing (HPC) environments.
  • Strong Linux administration and troubleshooting experience.
  • Excellent problem-solving skills in mission-critical environments.

Preferred

  • Networking knowledge (TCP/IP, routing, switching, network troubleshooting).
  • Experience supporting low-latency or high-throughput systems.
  • Background in proprietary trading, quantitative finance, or other performance-sensitive environments.

This is an opportunity to work on mission-critical systems at the heart of a high-performing trading organization, alongside talented engineers in a fast-paced and highly technical environment.

This is a hybrid role based out of the firms Chicago office requiring 3 days of onsite work per week, and a rotational on call schedule.





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