Senior AI Platform Engineer & Standards Lead

Westpac Group; Sydney; On-site; AUD 180,000 - 280,000; Full time

Job summary

Westpac Group’s Chief AI Innovation Office seeks a hands-on technical authority to shape enterprise AI engineering initiatives in production, across domains. You will design, implement, and standardize scalable AI platforms, ensuring secure, observable, and reusable patterns for multiple teams while balancing quality, latency, cost, and risk.

You will stay hands-on, collaborate with engineers, and coach across product, architecture, data, and security teams to push safe, production-ready AI

Qualifications

• Proven delivery and operation of AI/ML/LLM-enabled systems in production.
• Hands-on AI engineering experience in large, complex, or regulated environments.
• Exceptional stakeholder management and ability to influence across multiple teams without formal authority.
• Strong Python, APIs, distributed systems, cloud, containers, IaC, CI/CD, and secure engineering capabilities.
• Practical expertise in LLMs, RAG, embeddings, agents, orchestration, evaluation, and AI observability.

Responsibilities

• Architect and engineer production-grade LLM, RAG, plus agentic and machine-learning systems.
• Stay hands-on: write and review code, test assumptions, lead investigations and unblock delivery.
• Create reusable platforms, reference architectures, guardrails, and golden paths for multiple teams.
• Balance model quality, latency, resilience, cost, security, privacy, risk, and customer impact.
• Embed evaluation, observability, testing, responsible AI, and operational readiness from day one.
• Coach engineers through code reviews, design reviews, pairing, and practical technical leadership.
• Influence engineering, product, architecture, data, security, and risk partners without formal authority.

Skills

Lead / architectural influence

Production AI/ML systems

Stakeholder management

AI engineering in regulated env

Big-picture problem solving

Standards and governance

Tools

Python

APIs

Distributed systems

Cloud

Containers

Infrastructure as Code

CI/CD

Security engineering

Job description

Westpac Group’s Chief AI Innovation Office seeks a hands-on technical authority to shape enterprise AI engineering initiatives in production, across domains. You will design, implement, and standardize scalable AI platforms, ensuring secure, observable, and reusable patterns for multiple teams while balancing quality, latency, cost, and risk.

You will stay hands-on, collaborate with engineers, and coach across product, architecture, data, and security teams to push safe, production-ready AI