{"id":4309540,"url":"https://alion.io/job/westpac-principal-ai-engineer","title":"Principal AI Engineer","company":{"id":1766325,"name":"Westpac","domain":"westpac.com.au","url":"https://alion.io/company/westpac-com-au","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":{"grade":"A","score":100,"open_postings":6,"ghost_share":0,"stale_share":0,"repost_share":0.333,"time_to_fill_p50_days":14,"computed_at":"2026-11-14T05:58:10Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"lead","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Australia"],"countries":["AU"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"CI/CD","optional":false},{"name":"Embeddings","optional":false},{"name":"LLM","optional":false},{"name":"Python","optional":false},{"name":"RAG","optional":false}],"status":"live","first_seen_at":"2026-09-29T09:11:35Z","employer_posted_date":"2026-09-29","last_verified_at":"2026-11-14T11:07:09Z","board_verified":true,"closed_at":null,"days_open":46,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":46},"description":"Sydney, Melbourne or Brisbane Based / Hybrid Working\nHelp define Westpac’s next chapter of AI Engineering.\nOpportunity is knocking …\nThe Chief AI Innovation Office within Data, Digital & AI (DDAI) is seeking a hands-on technical authority to shape Westpac’s most important AI engineering initiatives.\nYou will work across teams and domains, setting directions, solving complex delivery challenges, and creating reusable approaches that help our engineers move safely from ideas to production.\nIt’s an exciting time for Westpac as you help shape enterprise AI engineering at a pivotal point in its evolution, with scope across production systems, reusable platforms, agentic engineering, responsible AI, and developer experience.\nYou’ll be a key contributor who will lift capability across teams and turn strategic AI priorities into secure, scalable production systems.\nCore Role Focus …\nArchitect and engineer production-grade LLM, RAG, plus agentic and machine-learning systems. \nStay hands-on: write and review code, test assumptions, lead investigations and unblock critical delivery. \nCreate reusable platforms, reference architectures, guardrails, and golden paths that accelerate multiple teams. \nBalance model quality, latency, resilience, cost, security, privacy, risk, and customer impact. \nEmbed evaluation, observability, testing, responsible AI, and operational readiness from day one. \nCoach engineers through code reviews, design reviews, pairing, and practical technical leadership. \nInfluence engineering, product, architecture, data, security, and risk partners without relying on formal authority. \nWhat you will bring to the table …\nDeep, hands-on AI engineering experience in a large, complex, or regulated environment. \nPrincipal, Staff, Lead or equivalent experience influencing across teams and technical domains. \nProven delivery and operation of AI, ML or LLM-enabled systems at production scale, not only proofs of concept. \nStrong Python, APIs, distributed systems, cloud, containers, infrastructure as code, CI/CD, and secure engineering capability. \nPractical expertise in LLMs, RAG, embeddings, agents, orchestration, evaluation, context management, and AI observability. \nExceptional business acumen and outstanding stakeholder management skills at all levels. \nSound judgement across AI failure modes, responsible AI, security, privacy, reliability, and operational risk. \nA track record of simplifying ambiguity, setting adopted standards and growing engineering capability. \nYour impact:\nAI initiatives move beyond prototypes into trusted enterprise services. \nTeams deliver faster through reusable patterns. \nRisks are designed out early. \nEngineers grow stronger because you leave behind better judgement, platforms, and practices. \nDoes this sound like you?\nTo get started, simply click on the APPLY or APPLY NOW button. Please note that application closing dates are subject to change so don’t delay putting your best foot forward!\nWe’re all about creating a supportive and inclusive community. We welcome everyone - no matter your age, gender, background, or abilities. 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