Enterprise AI Engineer — Production-Ready & Secure

Westpac; Sydney; Hybrid; AUD 140,000 - 210,000; Full time

Job summary

Westpac is building responsible, human-centred AI at enterprise scale and seeks hands-on AI Engineers to design, code, test and operationalise AI applications, services and platforms in a hybrid Sydney setting. You'll join our Data, Digital & AI function and work with the Westpac Chief AI Innovation Office to deploy secure, scalable AI capabilities across technology, data, risk and product teams.

This is an engineering-first role for people who can design, code, integrate, test and

Qualifications

• Hands-on AI engineering experience in large, regulated environments.
• Ability to deal effectively with technical and non-technical stakeholders at all levels.
• Strong software engineering background across backend services, APIs and production systems.
• Practical experience operationalising LLM/ML/AI services beyond prototypes.
• Hands-on knowledge of RAG, embeddings, vector databases, orchestration and model evaluation.
• Experience with cloud, CI/CD, automated testing, observability and enterprise release practices.
• Understanding of prompt design, evaluation, safety testing and responsible AI practices.
• Ability to balance experimentation speed with engineering quality and safety.
• Comfortable working with diverse stakeholders to triage requests, communicate constraints, and prioritise work based on impact and risk.

Responsibilities

• Design, build and ship production-ready AI applications, services and internal tools.
• Integrate foundation models, ML models, RAG, vector stores and AI services into secure enterprise workflows.
• Build pipelines for prompt management, model invocation, grounding, validation and evaluation.
• Embed security, privacy, compliance, model risk and responsible AI guardrails from design to delivery.
• Build testing, evaluation, monitoring, and feedback loops for quality, performance, safety, and cost.
• Optimise latency, reliability, and cost across AI workloads.
• Collaborate with product, data, risk, security, and platform teams to clarify requirements, surface trade-offs, and prioritise delivery.

Skills

Hands-on AI engineering

Stakeholder communication

Software engineering

Operationalising AI services

RAG and embeddings

Cloud/CI-CD/Observability

Prompt design & safety

Prioritisation by impact

Education

Bachelor's in a relevant field

Job description

Westpac is building responsible, human-centred AI at enterprise scale and seeks hands-on AI Engineers to design, code, test and operationalise AI applications, services and platforms in a hybrid Sydney setting. You'll join our Data, Digital & AI function and work with the Westpac Chief AI Innovation Office to deploy secure, scalable AI capabilities across technology, data, risk and product teams.

This is an engineering-first role for people who can design, code, integrate, test and