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Site Reliability Engineer III (Tue - Sat)

Company:
Cmegroup
Location:
Belfast, United Kingdom
Posted:
September 17, 2025
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Description:

CME Group is seeking a SRE III (Tuesday - Saturday) to help, build, operate and scale systems in our Markets portfolio. Markets SREs work on products and applications related to CME’s Globex trading platform. Our systems deliver an exceptional combination of low-latency performance and rock-solid reliability to seamlessly handle the world’s busiest trading days.

The successful candidate will work alongside senior engineers to learn how we observe, monitor, automate, and improve Production service reliability and act as a mentor to junior colleagues. He/she will have a keen interest in SRE and enjoy the cut-and-thrust of operating Production systems. They will be a strong communicator, and may have previously worked in an SRE role, a software engineering role or a systems engineering role.

Key Responsibilities:

Participate in building observability, monitoring and alerting for key services - continuously improving our SLI & SLOs and observability data enabling faster issue detection and incident resolution

Collaborate with senior engineers and product teams to ensure requirements are mutually understood, planned carefully and implemented safely

Lead discussions for own work and present solution options and proposals

Participate in incident response and management - engages with urgency in live incidents, takes ownership for minor incidents, ensures system recovery and contributes to post-mortems afterwards

Participate in on-call rotation

Identify toil and reduce through automation

Contribute to DR and systems resiliency testing & improvements

Contribute own ideas and reliability improvement suggestions to the Product backlog

Support the migration of markets applications to Google Cloud Platform (GCP)

Act as a mentor to L2 and L1 SRE colleagues

What We’re Looking for:

Experience with Linux-based systems

Experience with Cloud-based platform(s) - Google Cloud Platform, GCE, and/or GKE a bonus

Understanding of application architectures and messaging protocols

Competent programming/scripting skills (Python, Bash, etc.)

Strong problem-solving and analytical abilities.

Excellent communication and teamwork skills.

Eagerness to learn and adapt in a fast-paced trading environment.

Desirable

Experience with metrics & monitoring, OpenTelemetry, Splunk, Prometheus, Grafana, etc.

Experience and knowledge of working with distributed systems

Experience with Kubernetes

Knowledge of networking (HTTP/TCP/UDP/IP).

Experience in Financial markets.

Experience working in an agile environment.

Why CME Group:

Be part of a global leader in financial services technology.

Work on cutting-edge technology in a collaborative and innovative culture.

Competitive compensation and benefits package.

Opportunity to grow and advance your career in SRE with an organisation who is transforming to this approach

Join CME Group and play a crucial role in ensuring the stability and performance of our Markets applications while contributing to the migration to Google Cloud Platform. Apply now to be a part of our dynamic SRE team!

Company Benefits:

Bonus Programme

Equity Programme

Employee Stock Purchase Plan (ESPP)

Private Medical and Dental coverage

Mental Health Benefit Programme

Group Pension Plan

Income Protection

Life Assurance

Cycle To Work

EV Car Benefit Scheme

Gym Membership

Family Leave

Education Assistance – MBA/Advanced Degree/Bachelor Degree

Ongoing Employee Development Training/Certification

Hybrid Working

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CME Group: Where Futures are Made

CME Group is the world’s leading derivatives marketplace. But who we are goes deeper than that. Here, you can impact markets worldwide. Transform industries. And build a career by shaping tomorrow. We invest in your success and you own it – all while working alongside a team of leading experts who inspire you in ways big and small. Problem solvers, difference makers, trailblazers. Those are our people. And we’re looking for more.

At CME Group, we embrace our employees' unique experiences and skills to ensure that everyone’s perspectives are acknowledged and valued. As an equal-opportunity employer, we consider all potential employees without regard to any protected characteristic.

Important Notice: Recruitment fraud is on the rise, with scammers using misleading promises of job offers and interviews to solicit money and personal information from job seekers. CME Group adheres to established procedures designed to maintain trust, confidence and security throughout our recruitment process. Learn more here.

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