Senior AI Engineer Agent Ops

Westpac Group; Sydney; Hybrid; AUD 180,000 - 240,000; Full time

Job summary

Westpac Group is hiring a Senior AI Engineer to design, build and operate AI agents and shared platforms at enterprise scale. You will lead 3–6 engineers, coaching design reviews and advancing guardrails across AI and LLM operations.

You will work across agent orchestration, tool calling, RAG, evaluation and observability in a hybrid role, preferably based in Sydney or Melbourne with flexibility for other locations by agreement.

Qualifications

• Experience building generative AI applications or agents in production.
• Working knowledge of AWS and Azure, including Kubernetes (AKS/EKS).
• Ability to diagnose complex issues across code, models, data, networks and infrastructure.

Responsibilities

• Lead 3–6 direct reports to design, build and operate AI agents, shared platforms and APIs.
• Develop enterprise integrations and toolchains at scale with observability and guardrails.
• Coach engineers, lead design and code reviews and strengthen AI/LLM engineering practices.

Skills

Coding fundamentals

Generative AI apps

AWS

Azure

Kubernetes (AKS/EKS)

APIs & distributed systems

Secure engineering & guardrails

Python

FastAPI

PydanticAI

OpenAI Agents SDK

Google ADK

LlamaIndex

CI/CD

IaC

OpenTelemetry

MCP

RAG

Vector search

AI observability

Tools

AWS

Azure

AKS

EKS

FastAPI

PydanticAI

OpenAI Agents SDK

Google ADK

LlamaIndex

CI/CD

IaC

OpenTelemetry

RAG

Vector search

Job description

Create your best future and join Westpac as a Senior AI Engineer Agent Ops

Ready to help shape how AI is built, deployed and operated at scale?

Help turn ambitious AI ideas into secure, reliable services that work at enterprise scale. You’ll lead 3 to 6 direct reports while designing, building and running AI agents, shared platforms, APIs and enterprise integrations. You’ll work across agent orchestration, tool calling, RAG, evaluation, observability and guardrails, taking complex capabilities from experimentation through to production. You’ll also coach engineers, lead design and code reviews and strengthen engineering practices across AI and LLM operations.

This is a hybrid role within Technology and CIO DDAI, preferably based in Sydney, Warrane, Gadigal Country, or Melbourne, Naarm, Wurundjeri Country. Other locations may be considered by agreement

What do I need?

• Strong coding fundamentals, with experience producing clean, well tested production code and designing, reviewing and evolving enterprise software.
• Hands on experience building generative AI applications or agents and running software in production, including deployment, observability, operational support and end to end ownership.
• Working knowledge of AWS and Azure, including Kubernetes such as AKS and EKS, containers and cloud networking, together with knowledge of APIs, distributed systems, asynchronous processing, identity and failure handling.
• The ability to diagnose complex issues across code, models, data, networks and infrastructure, supported by sound engineering judgement, problem solving, learning agility, clear communication and collaboration.
• An understanding of secure engineering, Responsible AI and guardrails.
• Experience with Python, FastAPI, PydanticAI, OpenAI Agents SDK, Google ADK, LlamaIndex or similar is highly regarded, as is experience with CI/CD, IaC, OpenTelemetry, MCP, RAG, vector search, evaluation or AI observability. Strong engineers working in other languages are also encouraged to apply.

Why join us?

We’re obsessed with becoming our customers #1 banking partner for life and we’re looking for people who are passionate about helping us achieve that goal. In return we’re committed to making Westpac the best place to work in the country. Here are just a few of the ways we’re already doing that:

• Special offers on banking products and discounts from top brands, including generous employee only mortgage rates
• Flexible work arrangements to help you achieve a greater work life balance, and a variety of leave options including Culture, Lifestyle and Wellbeing leave
• Tailored learning and development opportunities to help your grow your career within the bank
• Lots of opportunities to give back to the Community by getting involved in our many volunteering initiatives

Create your future today

We’re all about creating a supportive and inclusive community. We welcome everyone no matter your age, gender, background, or abilities. We also provide additional support to welcome our veterans, Indigenous Australians and neurodiverse community.
If you need any adjustments during the recruitment process, you can find more information and contact details on our FAQs and how to contact us page , under the "Diversity, sustainability and flexibility" section.

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