Engineer - Site Reliability

Building trusted markets — powered by our people

At Cboe Global Markets, we inspire our people to solve complex challenges together because what we do matters. We providethe financialinfrastructure that powers the global economy. As a leading provider of market infrastructure and tradable products, Cboe deliverscutting-edgetrading, clearing and investment solutions to market participants around the world.

We'rebuilding meaningful ways to support professional and personal development while strengthening the trustwe'veearned as a global market leader. Our teams are empowered to share ideas, actively pursuethemand bring on a challenge. As champions of internal mobility and access to opportunity, we encourage our people to "go for it" and equip our managers withthe trainingto coach their teams to the next level. We strive to provideemployeesa safe space to network, shareideasand create opportunities.

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Role Overview

The Site Reliability Engineer (London) is a role served by experienced technologists with a diverse set of skills ranging from software development to systems, network, application, and/or database management. The Cboe Site Reliability Engineering team is a highly skilled unit responsible for platform engineering, configuration management, implementation, capacity planning, performance tuning, analysis, troubleshooting, reporting, and process automation.

This position is instrumental insupport of bothCboe’sEuropean markets andCboe's follow-the-sun support model for its US Global Trading Hours (GTH) markets, providing critical overnight and early-session coverage fromLondonthat ensures continuous, high-availability operations acrossCboe'sreal-time low-latency tradingplatforms. TheLondon-based SRE provides technical support to Cboe Trade Desk and Operations Support Center staff across time zones, and works closely with Software Engineering, Systems Engineering, and Network Engineering teams to troubleshoot complex issues and coordinate platform configuration updates. A Site Reliability Engineer must be able to work independently with little to no direct supervision in performing their duties.

Major Job Duties

• Platform Configuration Management: Provide configuration management of new and existing trading platforms and support implementation of new features and functionality based on new business requirements. Monitor development activities, change management tickets, and evaluate their impact on Cboe Operations. Execute daily change tickets assigned to Site Reliability Engineering in support of updates to production, disaster recovery, and certification systems. While the primary focus of this role involves support ofbare-metal on-premises infrastructure, experience with cloud platforms (e.g., AWS, Azure, GCP) and containerization technologies (e.g., Docker, Kubernetes) is desirable.

• Incident Response & Technical Troubleshooting: Serve as a technical responder for production incidents occurring during US GTH market hours covered from theLondontime zone. Participate in incident triage, root cause analysis, and resolution in coordination with globally distributed engineering and operations teams. Providetimely, precise communication to stakeholders during active incidents and contribute to post-incident reviews and remediation tracking to drive long-term platform stability.

• System Availability & Technical Support: Provide technical support and operational oversight to sustain resiliency and high availability of critical business operations. Monitor production, disaster recovery, and certification systems for issues. Analyze andoptimizeperformance of real-time trading platforms.Operate andmaintainlow-latency bare-metal infrastructure, including hardware health, Linux OS tuning, and kernel-bypass networking stacks such asSolarflare/Onload. Investigate software defects.Assistthe build team to resolve build/deployment issues.

• Reporting & Data Analysis: Create and improve upon existing reports related to Operations management. Analyze technical data sets (e.g., order entry, market data, matching engine logs) to troubleshoot or explain perceived issues.ExecuteSQL queries against a database to perform data analysis for customers and associates.Service and support historical data product requests.

• Capacity Planning: Drive capacity planning decisions for Cboe Exchanges and support capacity planning needs of various Cboe business units. Participate in Capacity Planning meetings with engineering and technical operations management staff.

• Automation & Process Improvement: Support taskand system health automationefforts through development, testing, and maintenance of Python tools.Leverage AI to maximize efficiency.

• On-Call & Weekend Testing:Participatein weekend testing (e.g., capacity testing, fail-over, etc.) and provide follow-the-sun on-call technical support as part ofCboe'sglobal Operations team.

The ideal candidate hasBachelor's Degree: Computer Science, Computer Engineering, Software Engineering, ora relateddiscipline.

UNIX Shell

Software Engineering OR Systems, Network, or Database Administration

SQL

Additional Requirements

Communication & Language Skills:

• Fluency in English — both written and spoken — is required.This role demands clear, precise, and unambiguous communicationat all times.As the operational bridge betweenCboe'sEuropean and APAC SRE teams and its US-based leadership, the ability to communicate with clarity across time zones, cultures, and technical disciplines is fundamental to the success of this role.

Global Markets Awareness:

• Familiarity with Europeanmarkets as well asUS equities, options, and/orfuturesmarket structures is strongly preferred. This role directly supports bothCboe'sEuropean exchange operations and its US GTH market coverage, requiring situational awareness across multiple market sessions and regulatory environments.