As the world's leading and most diverse derivatives marketplace, CME Group ( is seeking a Site Reliability Engineer III (Tue - Sat) to lead the design, development, and operation of high‑performance systems in our Markets portfolio. In this role you will work closely with senior engineers on complex projects, own key reliability initiatives, and mentor junior colleagues.

Key Responsibilities

• Own Observability: Design, build, and refine monitoring, alerting, and observability solutions. Drive continuous improvement of our SLIs & SLOs to enable faster issue detection and resolution.
• Drive Reliability Projects: Take ownership of reliability‑focused projects from design to implementation, collaborating with product teams to ensure new features are scalable, resilient, and safe.
• Lead Technical Solutions: Lead technical discussions for your work, presenting solution options and proposals with clear trade‑offs. ...