Senior Site Reliability Engineer - 18 months maximum term contract role

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 pride in what you deliver.

This role offers rich opportunities to grow your technical capability across observability, automation, and modern infrastructure. By working closely with development teams, you will learn how to embed reliability early in the software lifecycle and reduce operational risk at scale.

Acting as a subject matter expert, you will guide best practices, lead post-incident reviews, and help define standards that improve long-term system resilience.

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

• Improving reliability, availability, and performance of large-scale .NET and TypeScript applications
• Leading the rollout and adoption of OpenTelemetry for metrics, logs, and distributed tracing
• Maturing our observability standards, patterns, and best practices across engineering teams
• Acting as an SME, providing guidance and thought leadership on reliability, performance, and optimisation
• Building and maintaining automation for deployments, monitoring, and incident response
• Partnering with development teams to embed reliability best practices early in the SDLC
• Troubleshooting complex production issues across application, infrastructure, and network layers
• Defining and tracking SLOs, SLIs, and error budgets to support platform growth
• Leading post-incident reviews focused on learning, prevention, and long-term improvements
• Reducing toil by building tools, patterns, templates, and best practices for development and operations teams
• Creating scalable, reusable internal services leveraged by multiple teams
• Building dashboards, pipelines, templates, and tooling aligned with industry best practice
• Designing and managing Infrastructure as Code (IaC) environments using Terraform and related tools
• Integrating observability capabilities across services to enable proactive monitoring and incident prevention

What will help you be successful?

• Strong 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
• Senior-level experience supporting production systems in SRE, DevOps, or platform engineering roles
• 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

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

Click on the link to find out more about the things we live by at CMC Markets CMC Markets - Culture Video  

We’re always on the lookout for great people, so even if you don’t feel you are a 100% fit, apply with your up-to-date CV and we’ll consider you for this role and any other suitable opportunities across the business. 

 We look forward to hearing from you! 

Please be vigilant when applying for jobs online. CMC Markets will never request personal identification details, such as Date of Birth or Tax File Number prior to an offer being made. If your initial application is successful, regardless of whether you've applied directly or through an approved recruiter, you will always liaise with a representative from CMC's Talent Acquisition team. We will only discuss a role you have formally applied for via phone or email (CMC Markets email address); and never via Facebook or Telegram.