{"id":4058914,"url":"https://alion.io/job/westpac-principal-engineer-cloud-platform-engineering","title":"Principal Engineer - Cloud & Platform Engineering","company":{"id":1766325,"name":"Westpac","domain":"westpac.com.au","url":"https://alion.io/company/westpac-com-au","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":{"grade":"A","score":100,"open_postings":3,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":14,"computed_at":"2026-11-11T05:49:22Z"}},"role":"DevOps","role_family":"DevOps","seniority":"lead","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Sydney, Australia"],"countries":["AU"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":15,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"Apache Kafka","optional":false},{"name":"AutoGen","optional":false},{"name":"AWS","optional":false},{"name":"AWS Bedrock AgentCore","optional":false},{"name":"Bicep","optional":false},{"name":"CI/CD","optional":false},{"name":"CrewAI","optional":false},{"name":"GitHub Actions","optional":false},{"name":"GraphQL","optional":false},{"name":"Kubernetes","optional":false},{"name":"LangGraph","optional":false},{"name":"Model Context Protocol","optional":false},{"name":"OpenTofu","optional":false},{"name":"Platform Engineering","optional":false},{"name":"RAG","optional":false},{"name":"Rest API","optional":false},{"name":"Terraform","optional":false},{"name":"Azure","optional":true},{"name":"LangChain","optional":true}],"status":"live","first_seen_at":"2026-11-11T03:33:01Z","employer_posted_date":"2026-11-11","last_verified_at":"2026-11-11T07:07:29Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Create your best future and join Westpac as a Principal Engineer.\nWhat’s the role?\nReporting to the Chief Engineer, Institutional Banking and Capital Solutions Technology, this Principal Engineer role will provide technical leadership and architectural governance to enable high-quality engineering outcomes at scale. Through clear technical decision-making, consistent engineering practices and proactive risk management, the role will help reduce delivery friction and rework, strengthen resilience and operability, and improve the effectiveness and autonomy of engineering squads.\nThis role will be responsible for leading complex engineering design and technical decisions, reviewing critical designs and high-risk changes, and resolving cross-team technical dependencies. It will also develop reusable engineering patterns and guardrails, support technical debt prioritisation, coach Senior Engineers on secure and reliable engineering practices, and drive the adoption of automation, testing, observability, CI/CD and platform tooling.\nWhat do I need?\n15+ years of experience across software engineering, architecture or platform engineering, including enterprise application modernisation and cloud-native architecture.\nStrong expertise in AWS architecture, cloud-native design, migration and modernisation, including microservices, serverless, Kubernetes, resilience and cloud governance.\nStrong experience with API and integration architecture, including API-first design, REST/GraphQL, event-driven systems, Kafka and enterprise integration patterns.\nExperience designing and embedding Generative AI capabilities, including RAG, agentic systems, AWS AgentCore, MCP, agent orchestration frameworks such as LangGraph, CrewAI or AutoGen, and vector databases.\nStrong experience with Infrastructure as Code and automation using technologies such as Terraform, OpenTofu or Bicep.\nStrong platform engineering and DevOps experience across CI/CD, GitHub Actions, automated testing, observability and secure software delivery.\nExperience with cloud security, governance, resilience, disaster recovery and cost optimisation.\nUnderstanding of AI governance and responsible AI controls.\nWhy join us?\nWe’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:\nSpecial offers on banking products and discounts from top brands, including generous employee-only mortgage rates!\nFlexible work arrangements to help you achieve a greater work/life balance, and a variety of leave options including Culture, Lifestyle and Wellbeing leave. \nTailored learning and development opportunities to help your grow your career within the bank. \nLots of opportunities to ‘give back’ to the Community by getting involved in our many volunteering initiatives.\nCreate your future today\nTo get started, simply click on the APPLY or APPLY NOW button\nWe’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.\nIf 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.\nWe may close this job advertisement earlier than the advertised closing date if suitable candidates are identified. 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