Principal Platform Engineer

Ko mātou tēnei – our organisation

At One New Zealand, our purpose is help create a better-connected Aotearoa, New Zealand. We're focusing on investing more into simpler and better products and services, to make things even better for New Zealanders.

We proudly champion diversity of thought, perspective and background. We offer a friendly and open environment with leading flexible working practices that help people maintain a personal and professional balance that works for them and their whānau.

Uia mai koe te pātai, he aha te mea nui o tēnei ao? Māku koe e ki atu he tangata, he tangata, he tangata.

“If you asked me, what is the greatest thing in this world, I would say it is people, it is people, it is people.”

Ko tō tūranga – your role

As the Senior Platform Engineer, you’ll play a pivotal role in designing, building, and operating One NZ’s AWS-based Data & AI Platform. You’ll work across our strategic tech stack—including AWS, Snowflake, dbt, Databricks, and Terraform—to deliver secure, scalable, and production-ready infrastructure that powers data products and AI use cases.

Your focus will be on ensuring the platform is stable, resilient, and continuously improving. You’ll embed automation, observability, and cost optimisation into daily operations, ensuring high availability, performance, and governance. Collaborating closely with architecture, security, and delivery teams, you’ll help simplify complexity, uplift engineering practices, and build long-term capability.

As a senior team member, you’ll also mentor others, share knowledge, and help grow internal talent—ensuring we scale effectively as workloads increase and maintain a trusted, production-grade platform for the business.

Ko Tō Mahi – What You’ll Do

• Keep our Data & AI Platform running smoothly by ensuring high availability, resilience, and continuous improvement through proactive monitoring and incident management.
• Use Infrastructure as Code to design and build secure, scalable, and production-ready platform components across AWS, Snowflake, dbt, Databricks, and Terraform.
• Drive automation and cost optimisation initiatives to reduce manual effort, simplify operations, and uplift engineering practices.
• Embed strong identity, access, encryption, and policy-as-code controls to ensure compliance and maintain a robust security posture.
• Work closely with architecture, security, and delivery teams to align platform strategy, reduce complexity, and support business outcomes.
• Mentor fellow engineers, share knowledge, and help grow internal capability to reduce silos and build long-term team resilience.

Na Tōu Rourou – What You’ll Bring

Nā Mātou Te Rourou – What You’ll Get

At One New Zealand, we have a clear purpose to unlock the magic of technology to create an awesome Aotearoa. We’ve got Heart, showing up as our best selves in every situation. We have the Grit to deliver a radically better world for our customers. We embrace the Freedom to shape the future, creating a more progressive, more inclusive Aotearoa.

Joining the One New Zealand whānau will stretch you, challenge you and provide opportunities you’ve been seeking to expand your career. You’ll engage in unique workplace experiences, be exposed to exciting and innovative technology, and gain opportunities for learning beyond Aotearoa.

Tū hikitia rā, tū hāpainga. Tū hāpainga, tū hikitia rā.

We stand to uplift, to support and to elevate others.

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