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CME Group · Belfast - Millennium House

Site Reliability Engineer III

Belfast - Millennium HouseOperations

Listed on CME Group’s official careers site. Listed as of October 18, 2026. Check that it is still open and apply there.

Apply on CME Group’s careers site →

Job description

Job Title

Site Reliability Engineer (SRE) III – Platform Engineering & Systems Reliability The Role: CME Group is seeking a Site Reliability Engineer (SRE) III to engineer reliability for our Google Cloud (GCP) infrastructure, Middleware Platform Engineering team, and core technology foundations powering our Clearing, Risk, and derivatives applications. In this role, you will help build resilient, automated systems that combine ultra-low latency with high-concurrency performance, enabling CME's product teams to innovate safely at scale.

You will work alongside senior engineers, mentor junior colleagues, engage in the dynamic operation of production systems, and assist in driving our cloud transformation. What You Will Do / Key Responsibilities Middleware & Application Architecture: Architect, operate, and support the migration of application platforms—including Messaging (Kafka, RedPanda, MQ, Pub/Sub), Service Discovery (Consul, Vault), and Data Distribution (SFTP/JScape)—to Google Cloud Platform.

Manage cluster lifecycles, data replication, RBAC, and workload placement.

Observability & Monitoring Fabric

Design, scale, and maintain our observability backbone using tools like OpenTelemetry, Splunk, Prometheus, and Grafana. Establish and continuously improve metrics, logs, alerting strategies, SLIs, and SLOs to enable fast issue detection.

Incident Response & Operations

Engage with urgency in live production incidents, take ownership of minor incidents, lead post-mortems, and ensure rapid system recovery.

Toil Reduction & Automation

Actively identify operational toil and eliminate manual effort through code, automation, and systematic platform improvements.

Resiliency & Testing

Contribute to disaster recovery (DR) strategies, continuous systems resiliency testing, and present reliability improvement suggestions to the Product backlog.

Collaboration & Leadership

Lead technical discussions for assigned scope, present solution options, collaborate across functional teams, and mentor junior SRE colleagues.

What We're Looking For

Engineering & Scripting Discipline: Programming and scripting skills in high-level languages such as Python, Go, Java, or Bash to construct production-grade tooling.

Cloud Native & Systems Fundamentals

Proficiency with Linux-based systems, distributed systems, containerization (Kubernetes/GKE), and public cloud platforms (GCP/GCE).

Infrastructure as Code (IaC)

Understanding of modern CI/CD patterns and IaC tools such as Terraform, Ansible, or Kubernetes Config Connector (KCC).

Networking & Protocols

Knowledge of core systems and networking concepts (TCP/IP, UDP, HTTP, DNS, load balancing, and messaging protocols).

AI & Agentic Engineering

Forward-thinking approach to automation, leveraging Generative AI and Agents (e.g., Gemini) to optimize platform operations.

Analytical Problem-Solving

Data-driven mindset to troubleshoot complex, non-linear system behaviors in a fast-paced, high-pressure trading ecosystem.

Communication & Adaptability

Strategic communication skills to translate technical requirements for cross-functional teams, coupled with an eagerness to learn independently and collaboratively.

Preferred Qualifications / Desirable Observability Stack

Hands-on experience with telemetry tools such as OpenTelemetry, Splunk, Prometheus, and Grafana.

Agile Integration

Comfort working within Agile frameworks and collaborative software development lifecycles.

Certifications

GCP Professional Cloud Architect, Certified Kubernetes Administrator (CKA), or Certified Kubernetes Application Developer (CKAD).

Domain Expertise

Any experience in Financial Markets or other highly regulated, ultra-low latency, high-concurrency environments would be highly beneficial although not essential," Why CME Group?

Global Significance

Build technology that underpins the integrity of the world's leading derivatives marketplace.

Engineering Culture

Flourish in a "code-first" environment that prioritizes systematic, automated solutions over manual intervention.

Professional Evolution

Grow your SRE career within an organization actively transforming its approach to production engineering.

Competitive Package

Enjoy a robust compensation and benefits structure while working with cutting-edge tech.

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 #LI-RK2 #LI-Hybrid #nijobs.com 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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