Site Reliability Engineer

- 5 Month Fixed Term Contract
- Drive innovation across our technical capabilities
- Sydney/Surry Hills based with a Hybrid working model

We are Cartology

Cartology is one of Australia’s leading retail media businesses, powered by the Woolworths Group. We provide targeted omnichannel marketing solutions and comprehensive closed loop reporting to help brands grow. With Cartology, brands can drive real customer impact across the shopper journey.

Cartology is truly pioneering the future of Retail Media, creating, shaping and leading this new industry that connects brands to customers in new and exciting ways.

Be nothing but yourself in a culture that is inclusive and innovative. Work as part of an ambitious, smart and passionate team and belong to something meaningful as part of the Woolworths Group.

The Opportunity

As a Site Reliability Engineer within the Cartology Site Reliability team, you will play a critical role in ensuring the reliability, scalability, and cost-efficiency of our Google Cloud Platform (GCP) infrastructure. You will be stepping into a fast-paced AdTech environment, working closely with the Engineering Manager to build robust automation, manage Kubernetes clusters, and drive our FinOps and cloud governance initiatives.

We operate on a model that protects engineering capacity. You will not just be keeping the lights on; you will be helping us engineer for the future, piloting next-generation practices like Agentic SRE, Automated incident response, and self-healing systems.

What you'll do

- Production Support and Incident Management : Support existing infrastructure in GCP, actively troubleshoot issues, and fix production incidents to ensure maximum uptime and reliability.
- Platform Reliability & Engineering : Design, build, and maintain our core GCP infrastructure, focusing on high availability, security, and performance.
- FinOps & Cost Optimization : Drive cloud cost optimization initiatives, including GKE rightsizing, automated asset inventory reporting, and building cost-visibility data pipelines using BigQuery and Cloud Run/Cloud Scheduler.
- Kubernetes Orchestration : Manage, deploy, and scale microservices on Google Kubernetes Engine (GKE) using Helm and robust CI/CD pipelines.
- Infrastructure as Code (IaC) : Provision and maintain cloud resources using Terraform, adhering to strict state management and modular design practices.
- GitOps & Automation : Champion GitOps methodologies to automate infrastructure and application deployments, ensuring all changes are version-controlled, tested, and peer-reviewed.
- Observability & Alerting: Build comprehensive observability, custom dashboards, and actionable alerting using OpenTelemetry, GCP native tools (Cloud Monitoring, Cloud Logging) and enterprise APM solutions like Dynatrace.
- Security & Governance : Implement and manage advanced GCP Networking (VPCs, firewalls, private clusters) and strict Identity and Access Management (IAM) controls.

What You’ll Bring

- Experience : Minimum 4–5 years of solid, hands-on experience in a dedicated DevOps, Cloud Engineering, or SRE role.
- Cloud Platform : Extensive, hands-on experience with Google Cloud Platform (GCP).
- Containers & Orchestration : Deep expertise in Kubernetes (specifically GKE) and package management using Helm.
- Infrastructure as Code : Advanced proficiency in Terraform (managing complex states, reusable modules, and remote backends).
- Automation & CI/CD : Strong experience building and maintaining CI/CD pipelines (e.g., GitHub Actions, Azure DevOps, or Harness) and implementing GitOps workflows using ArgoCD.
- Observability & OpenTelemetry : Must have hands-on experience

implementing OpenTelemetry for distributed tracing and metrics, alongside building dashboards and configuring alerts using GCP native tools and enterprise platforms like Dynatrace.

- Core Infrastructure : Solid understanding of GCP Networking (VPC peering, load balancing, private endpoints) and GCP IAM (Service Accounts, workload identity, least-privilege policies).

What You’ll Experience

- We embrace diversity of thought and love to take on challenges with a pragmatic and innovative approach. Our culture thrives on mutual respect, care, curiosity, openness, and a proactive attitude. We continually seek ways to pair, collaborate, support, and learn from each other as a team!
- Team discounts across our range of Woolworths Group brands you know and love and a robust rewards program that celebrates and incentivises purpose-driven work.
- A global business with endless career possibilities around every corner and across every discipline – with valuable exposure to a vast and exciting business network.
- A progressive and flexible ‘work from anywhere' policy that gives you the opportunity to harmonise work, life and your wellbeing.
- A range of programs to help you prioritise and manage your wellbeing, including 24/7 access to the Sonder app.

Everyone belongs at Woolworths Group
Diversity, equity, inclusion, and belonging are key to realising our purpose of better together for a better tomorrow. We recognise the value our team’s diversity brings to our business, customers, and communities and that teams with diverse experiences and backgrounds enrich our group and are better able to innovate and solve problems. As one of the largest employers in Australia and New Zealand, we aim to create a truly inclusive workplace where everyone feels that they belong, can be their best selves, and reach their full potential. We encourage all candidates to apply; please let us know in your application if we can support you with any adjustments in t he hiring process.