We are seeking a highly experienced, self-directed Senior CI/CD & Infrastructure Engineer to take full technical ownership of our backend infrastructure, CI/CD environment, and server platforms. This is a permanent, on-site role based in the Perth office. You will work closely with backend developers on application design and delivery, but you will be the sole owner and operator of: CI/CD architecture, build, and day-to-day operation Backend server environments and cloud infrastructure Reliability, security, and operational standards Key Responsibilities - CI/CD & Infrastructure Ownership (Sole Responsibility): Design, build, operate, and support the organisation’s CI/CD pipelines and tooling Own CI/CD reliability, performance, security, and scalability Diagnose and resolve build, deployment, and infrastructure issues independently Design and evolve CI/CD and infrastructure architecture as the R&D function grows - Backend Infrastructure & Systems: Build, manage, and maintain backend servers and cloud infrastructure (AWS and/or GCP) Administer Linux systems, including shell scripting, system tuning, and automation Manage Docker-based environments Perform log analysis and root-cause investigations across systems Design and maintain monitoring, logging, and security tooling Implement security hardening and operational best practices Manage core networking fundamentals: DNS, VPNs, routing, and protocols - Software Development (Collaborative): Contribute to backend software development alongside the R&D team Work with developers on build, deployment, and runtime considerations Provide CI/CD and infrastructure input during design and implementation Required Experience & Capability: 8–10 years of deep, hands-on technical experience Proven experience operating as a sole CI/CD and infrastructure owner Strong backend development background (e.g. Node.js, Go, or similar) Strong Linux system administration experience Practical cloud infrastructure experience (AWS and/or GCP) Docker expertise Solid networking fundamentals Excellent diagnostic and problem-solving skills Comfortable working autonomously with minimal supervision Additional Information: Permanent, full-time position onsite in Perth Must have working rights in Australia Excellent salary package depending on level of experience Codematix is a recruitment consultancy. You can find out more by visiting codematix.com.au.