Senior AI Engineer: Production-Ready, Enterprise Scale

Westpac Group; Sydney; Hybrid; AUD 150,000 - 210,000; Full time

Job summary

Westpac Group is seeking a senior AI Engineer to design, build and operate secure AI capabilities for enterprise-scale applications. This role emphasizes hands-on development, governance, and production readiness while collaborating with risk, security and product teams.

You will guide teams, influence engineering standards and ensure safe, reliable deployment across hybrid environments in Australia.

Qualifications

• Significant hands-on AI engineering experience gained in a complex corporate, technology or enterprise environment.
• Strong track record of delivering AI/ML/LLM-enabled systems that have been deployed, governed, monitored and operated in production.
• Solid software engineering foundations across Python, APIs, cloud services, distributed systems, CI/CD, automated testing and modern delivery practices.
• Deep practical experience with LLMs, RAG patterns, embeddings, agents, evaluation frameworks, orchestration, model lifecycle management and monitoring.
• Experience embedding safety, privacy, compliance, explainability, reliability and operational risk controls into AI solutions.
• The ability to shape technical direction, raise engineering standards and bring stakeholders with you through ambiguity and change.
• Clear communication skills across engineering, product, delivery, risk and senior stakeholder audiences.

Responsibilities

• Design, build and ship complex AI platforms, services and products that solve meaningful business problems at enterprise scale.
• Engineer robust LLM, retrieval-augmented generation, agentic and orchestration solutions, with reliability, evaluation, observability and governance built in from the start.
• Take AI capabilities from experimentation into production, including testing, deployment, monitoring, incident response and continuous improvement.
• Lift engineering standards across prompt and context management, model evaluation, security, privacy, compliance and Responsible AI guardrails.
• Make practical trade-offs across model quality, latency, cost, risk and customer impact in fast-moving delivery environments.
• Partner with product, platform, data, risk, security and business teams to scale AI safely and sustainably.
• Review designs and code, mentor engineers and establish reusable patterns that accelerate safe production delivery.
• Lead technical investigations, root-cause analysis and durable fixes for complex AI system issues.

Skills

Python

LLMs

AI Systems

Cloud services

MLOps

Strong communication

Tools

APIs

CI/CD

Docker

Job description

Westpac Group is seeking a senior AI Engineer to design, build and operate secure AI capabilities for enterprise-scale applications. This role emphasizes hands-on development, governance, and production readiness while collaborating with risk, security and product teams.

You will guide teams, influence engineering standards and ensure safe, reliable deployment across hybrid environments in Australia.