Mō te tūranga | About the Role As a Senior Platform Engineer, you will design, build, and operate secure, scalable, and resilient platform solutions that enable product teams to deliver high-quality applications efficiently and reliably. Leveraging your expertise in cloud technologies, automation, Infrastructure as Code (IaC), and modern engineering practices, you will create and evolve platform capabilities that enhance developer productivity, improve operational excellence, and support the delivery of customer-focused solutions. In this role, you will be responsible for developing and maintaining platform services that are secure, highly available, performant, and cost-effective. You will design, build, and continuously improve infrastructure and platform components using Infrastructure as Code and CI/CD practices, with a strong focus on reliability, scalability, and operational resilience. Working closely with engineering and development teams, you will drive automation across provisioning, deployment, monitoring, and operational processes, while promoting Site Reliability Engineering (SRE) principles to improve platform stability and service performance. You will also play a key role in troubleshooting complex technical issues, optimising platform performance, and enhancing the overall developer experience. As a senior member of the team, you will contribute to engineering standards, mentor other engineers, evaluate emerging technologies, and identify opportunities to improve platform capabilities, operational efficiency, and organisational resilience through continuous improvement and innovation. Nā tāu rourou | What will you bring? Experience in high-scale environments and SRE practices. Experience building automated CI/CD Pipelines using Jenkins. Strong Linux administration skills. The ability to implement Infrastructure as Code (IaC) including knowledge of appropriate technologies for configuration management (eg. Templating, Terraform, Chef, Puppet, Ansible) is essential. Hands on experience leveraging monitoring and observability tools such as Elastic, Splunk, Prometheus, Dynatrace (or similar). Certifications in cloud technologies is an advantage. Knowledge of security engineering practices and tools is necessary, implementing compliance and security in an automated way. Knowledge in Agentic AI is an advantage. Ability to diagnose and solve technical issues. Excellent problem-solving and communication skills. Ability to work in cross-functional teams and lead technical initiatives. Ability to review and recommend new deployment techniques and vendor products and make recommendations on the acquisition of advance technology toolsets. Solid understanding of networking, security, and distributed systems. Westpac Hei Wāhi Mahi | Working at Westpac In addition to immersing yourself in a supportive team environment, you'll receive some great job perks and benefits including: • 4 weeks standard holiday + 5 additional days of wellbeing leave to support you to be your best • Additional purchased leave options up to 4 weeks per year • Banking benefits, insurance discounts and superannuation scheme • Growth and development – we provide opportunities for development and promote internal mobility • Recognition - we recognise and reward our star performers • School holiday subsidy - help you balance work and family during school holiday • 2 Volunteer days per year Ko mātou tēnei | Our Organisation At Westpac, we’re working together to build a fairer and stronger New Zealand for our people, customers and communities. For over 160 years we’ve been driven by our purpose to Create Better Futures Together. What makes us unique are the incredible people we’re lucky enough to have walk through our doors every day. We’re a place where you can bring your whole self, your ideas and your ambition, and have the support and opportunities to keep growing. Here, you can do meaningful work, make a difference for our customers and be part of something bigger. Because when we each bring our best and bring it together, there’s no limit to what we can achieve. Tono mai ināianei! | Apply Now! Apply today with your CV and Cover Letter. The people of Aotearoa, New Zealand hail from many cultures and backgrounds. At Westpac New Zealand, we draw on this enormous talent pool to build a team rich in different perspectives, experiences and abilities. We encourage people from all walks of life to apply, including those who are neurodivergent, have chronic health conditions or disabilities. Your attitude and passion are as important to us as your experience, qualifications and capabilities. Mahi tahi tātou, tē katia tātou | Together, we’re unstoppable Applications close: 22 November 2026 Our culture is rich with stories of how our people like to help, our customers, our community and each other. This is reflected through flexible working arrangements to ensure that our people have a balance in their life with those things that are important to them. Through ensuring that we provide opportunities to everyone regardless of what society throws at them, we are a safe place to work where you are treated equally and appreciated.

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