Senior Platform Engineer

Westpac New Zealand Limited; Auckland; Remote; NZD 120,000 - 180,000; Full time

Benefits offered by this job

4 weeks holiday

Wellbeing leave

Purchased leave options

Banking benefits

Growth and development

Recognition program

School holiday subsidy

Volunteer days

Job summary

Westpac New Zealand Ltd. seeks a Senior Platform Engineer to lead OS image management and automation across enterprise infrastructure. You will design, implement, and continually improve automated OS build and configuration management platforms for on‑premises and cloud services.

Key responsibilities include shaping Image Factory capabilities, building secure, standardised platforms, and delivering end-to-end automation with strong Windows and Linux expertise.

Qualifications

• Extensive experience in infrastructure/platform engineering and automation.
• Design, build, test, deploy and support automated OS build and configuration management.
• Strong knowledge of Windows and Linux OS provisioning, patching, and compliance.

Responsibilities

• Lead evolution of OS image management and automation across enterprise infra.
• Design and implement automated OS build and configuration management platforms.
• Enhance Image Factory capabilities and CI/CD integration.

Skills

Infrastructure engineering

Automation design

Windows & Linux

Packer Terraform Ansible

PowerShell Python Bash

Git GitHub

CI/CD pipelines

Jenkins AzureDevOps

VMware Docker Kubernetes

Networking fundamentals

Education

Tertiary IT/Engineering/CS degree

Tools

GitHub

Jenkins

Azure DevOps

VMware vSphere

Nessus MECM Satellite

Job description

## Senior Platform EngineerApply: Westpac on Takutai Square: Full time: Posted Today: End Date: October 2, 2026 (14 days left to apply): JR107885**Mō te tūranga | About the Role**As an experienced Senior Platform Engineer, you will lead the evolution of our operating system image management and automation capabilities across enterprise infrastructure.This is a technical role where you'll drive the design, implementation, and continual improvement of our automated operating system build and configuration management platforms. You'll play a key role in implementing and enhancing our Image Factory capability.Working within a collaborative engineering environment, you'll help deliver secure, standardised, and automated operating system platforms that support both on-premises and cloud-based services.**Nā tāu rourou | What will you bring?****Essential Skills*** Strong experience in infrastructure, platform engineering, or systems engineering environments.* Experience designing, developing, and delivering end-to-end automation solutions, from requirements gathering and solution design through to implementation, testing, deployment, and operational support.* Strong base knowledge of Windows and Linux Operating Systems particularly around build standards, provisioning, patching, upgrade planning, vulnerability remediation, and compliance.* Strong experience with infrastructure automation and configuration management tools including Packer, Terraform, Ansible.* Strong scripting and automation capability using PowerShell, Python, Bash, or similar languages.* Expertise with source control and collaborative development practices using Git, GitHub, or Bitbucket.* Experience implementing and maintaining CI/CD pipelines using tools such as Jenkins, CloudBees, GitLab CI and Azure DevOps.* Experience supporting highly available, resilient, and secure enterprise platforms.**Desirable Skills*** Experience with VMware technologies, particularly: VMware vSphere, VMware Aria Suite.* Experience with containerisation technologies including Docker and Kubernetes.* Understanding of networking fundamentals including: VLANs, Subnets, Firewalls.* Experience working within Agile methodologies and practices.* Experience working with vulnerability management and patching platforms including Nessus, Microsoft Endpoint Configuration Manager (MECM), Red Hat Satellite* Experience working within a complex or highly regulated environment.* Exposure to cloud platforms and hybrid infrastructure environments.* Relevant tertiary qualification in Information Technology, Engineering, Computer Science, or a related discipline.**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. The giant ‘W’ on our building doesn’t just stand for Westpac – it says, double you. We’re a place that values, rewards and recognises individuality. Where you can be your whole self, your true self, and your best self. We’re recognised as a place where talent is developed, where passions are fuelled and where ambitions of all shapes and sizes thrive. And it all starts with you!**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 cultivate a team rich in ability and empowered to reach its full potential. Our aim is to be brave challengers, celebrating our differences and relentlessly advocating for our customers. It starts with us – we believe that when we care deeply and do our best for our people, they’ll do their best for our customers. We encourage people from all walks of life to apply, including those who are neurodiverse, have chronic health conditions or disabilities – your attitude and passion are as important to us as your experience, qualifications and capabilities.**Mahi tahi tātou, kaha ake tātou | Together Greater****Applications close:**1 October 2026