Senior Site Reliability Engineer

CMC Markets ANZ; Sydney; On-site; AUD 180,000 - 240,000; Full time

Job summary

CMC Markets ANZ is seeking a Senior Site Reliability Engineer to help scale and fortify our trading platforms in Australia. You’ll lead SRE practices, define SLOs/SLIs, and drive incident response across multi‑tier systems built with .NET and TypeScript.

You’ll collaborate with engineers to enhance observability, automate deployments, and apply IaC with Terraform on AWS, delivering resilient, high‑performing services for millions of trading decisions.

Qualifications

• 7+ years in SRE, DevOps, or similar.
• Senior production support experience.
• OpenTelemetry implementation experience.
• Observability across metrics, logs, traces.
• Prometheus, Grafana, App Insights familiarity.
• CI/CD pipelines and infrastructure automation.
• AWS exposure and IaC with Terraform.

Responsibilities

• Establish, maintain, and report on SLIs, SLOs, and error budgets to improve service reliability.
• Improve observability standards, patterns, and best practices through metrics, logs, distributed tracing, dashboards, alerting, and actionable signals, including leading OpenTelemetry adoption.
• Lead incident response, triage, stakeholder communications, blameless post incident reviews, and root cause analysis.
• Reduce operational toil through automation, self service capabilities, safe deployments, automated recovery, and reusable tooling.
• Partner with engineering teams to improve reliability focused architecture, release safety, operational readiness, and change risk management.
• Improve performance, scalability, resilience, and capacity management across production services.
• Build and maintain runbooks, playbooks, operational documentation, dashboards, templates, and internal services.
• Improve the reliability, availability, and performance of large scale .NET and TypeScript applications.
• Design and manage Infrastructure as Code using Terraform and related tooling.
• Troubleshoot complex production issues across application, infrastructure, and network layers.
• Act as the SME for reliability, observability, performance, and operational excellence.
• Participate in on call rotation, if and when required.
• Maintain personal/professional development to meet the changing demands of the role, including all relevant regulatory and legislative training

Skills

SRE experience

DevOps

OpenTelemetry

Observability

Prometheus

Grafana

CI/CD

AWS

C# & .NET

TypeScript

Golang

Python

Tools

Terraform

Job description

If you also believe that everyone should be able to achieve their financial potential, then you’ll love contributing to CMC Markets’ company vision of providing the ultimate trading experience. Seize the opportunity to progress your career in the fintech industry by joining a global leader in CFD trading and share investing. Grow yourself personally and professionally with a company that’s growing with you, by global expansion and product offering.

As a Senior Site Reliability Engineer at CMC Markets, you will work on platforms that support millions of trading decisions. .You will play a key role in improving reliability, availability, and performance across large scale systems, ensuring customers can access markets when it matters most. Your work will be highly visible and meaningful, giving you a strong sense of contribution and influence in what you deliver.

This is a hands on opportunity for someone who enjoys building capabilities from the ground up. You'll work closely with engineers and technology stakeholders to establish and embed practical Site Reliability Engineering (SRE) practices, including SLOs/SLIs, incident management, post-incident reviews, runbooks, automation, and continuous improvement.

As an integral part of the development lifecycle, you'll help design and deliver resilient, scalable, secure, high performing, and observable digital products and platforms for NGS. Working within a collaborative Agile environment, you'll take ownership of service reliability by defining and measuring SLOs, while driving meaningful improvements in system availability, performance, and key operational metrics.

This is an exciting opportunity for someone who thrives on solving complex problems, enjoys challenging the status quo, and is passionate about bringing innovative ideas that improve the way technology is built and operated.

Why You'll like working here

Just some of the reasons you’ll love working here include:

• Leave benefits: Enjoy your birthday off to spend time with family and friends, on us! Utilise a free annual charity day to give back to your community.
• $0 Trades: Staff & family trading accounts with CMC Markets Invest have access to the best brokerage rates in the market - $0 trades for all domestic and international equity orders!
• Continuous learning: Our L&D offering covers both technical and performance training, ensuring you're always learning new skills.
• Unlimited access to a dedicated benefits & wellbeing hub where you can save money through various retailer discounts, and make use of a variety of resources that will enhance your physical and mental wellbeing.
• Collaboration: We believe that great things happen when smart people work together, that’s why we’ve made the decision to work five days in the office.
• Office perks: Help yourself to free breakfast cereals, condiments, and coffee to fuel your workday. Our culture club provides opportunities for everyone whether you’re into fitness, pizza making classes, socialising or bringing out your competitive side in trivia or lawn bowls!

What you’ll be working on

• Establish, maintain, and report on SLIs, SLOs, and error budgets to improve service reliability.
• Improve observability standards, patterns, and best practices through metrics, logs, distributed tracing, dashboards, alerting, and actionable signals, including leading OpenTelemetry adoption.
• Lead incident response, triage, stakeholder communications, blameless post incident reviews, and root cause analysis.
• Reduce operational toil through automation, self service capabilities, safe deployments, automated recovery, and reusable tooling.
• Partner with engineering teams to improve reliability focused architecture, release safety, operational readiness, and change risk management.
• Improve performance, scalability, resilience, and capacity management across production services.
• Build and maintain runbooks, playbooks, operational documentation, dashboards, templates, and internal services.
• Improve the reliability, availability, and performance of large scale .NET and TypeScript applications.
• Design and manage Infrastructure as Code using Terraform and related tooling.
• Troubleshoot complex production issues across application, infrastructure, and network layers.
• Act as the SME for reliability, observability, performance, and operational excellence.
• Participate in on call rotation, if and when required.
• Maintain personal/professional development to meet the changing demands of the role, including all relevant regulatory and legislative training

What will help you be successful?

• 7+ years in SRE, DevOps, Platform Engineering, or similar.
• Senior-level experience supporting production systems in SRE, DevOps, or platform engineering roles
• SLIs, SLOs, and error budgets to improve service reliability
• Proven experience implementing OpenTelemetry and designing effective observability using metrics, logs, traces, and correlation
• Experience with monitoring and alerting platforms such as Prometheus, Grafana, Application Insights, or similar
• Familiarity with CI/CD pipelines and infrastructure automation
• Strong problem solving skills and a calm, methodical approach to incidents, root cause analysis and production issues
• Ability to influence system design, deployment, and operational practices at scale, providing technical guidance and leadership
• An excellent communicator who collaborates effectively across teams, produces clear documentation, champions continuous improvement, and enjoys coaching and mentoring others
• Enterprise grade experience with C# and .NET, including ASP.NET and .NET Core, and the ability to write production-grade code that improves reliability and operability
• Experience with Golang or Python
• Proficiency in Typescript
• Experience working with AWS
• Experience working in a regulated environment (APRA, Financial Services)

Australian working rights is essential

The things we live by

CMC Markets is powered by our people. We are an equal opportunities employer and are committed to creating a diverse and inclusive workplace, where our people feel confident to be themselves, feel valued and are able to do their best work. We don’t just value differences and unique perspectives, we seek them out and we invite them in, because we know it will lead to better outcomes for everyone