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Site Reliability Engineer

Selby JenningsChicago, IL🇺🇸United StatesPosted 28 Aug 2026

Quick Overview

Seniority
Mid Senior
Employment type
Full Time
Work mode
Hybrid
Location
Chicago, IL, United States
Posted
19 hours 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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