# Principal Platform Engineer at Commonwealth Bank of Australia

Commonwealth Bank of Australia is hiring a Principal Platform Engineer in Bengaluru, India. Level rates it Works on AI ●●●○; you can [apply on Level](https://jobsbylevel.com/go/f082dce1-638b-4190-ac40-9b1211dc5b0f?utm_medium=ai-agent).

AI Level 3, AI centrality 75 out of 100. Bangalore - Manyata Tech Park Road.

## Details

- Company: [Commonwealth Bank of Australia](https://jobsbylevel.com/companies/commonwealth-bank-of-australia)
- AI level: AI Level 3 (score 75 out of 100)
- Location: Bangalore - Manyata Tech Park Road
- Posted: October 16, 2026
- Apply: https://jobsbylevel.com/go/f082dce1-638b-4190-ac40-9b1211dc5b0f?utm_medium=ai-agent

## Prepare for this job

The job page lists 5 likely interview questions for this offer, with a CV checklist: https://jobsbylevel.com/jobs/principal-platform-engineer-at-commonwealth-bank-of-australia-6c5523

## Description

Organization: At CommBank, we never lose sight of the role we play in other people’s financial wellbeing. Our focus is to help people and businesses move forward to progress. To make the right financial decisions and achieve their dreams, targets, and aspirations. Regardless of where you work within our organisation, your initiative, talent, ideas, and energy all contribute to the impact that we can make with our work. Together we can achieve great things. Job Title: Principal Engineer – Knowledge Management Location: Bangalore Business & Team: The Chief AI Office (CAIO) drives the bank’s AI strategy, platforms, governance, and capabilities to accelerate the safe and scalable adoption of AI across the enterprise. The Knowledge Management domain within CAIO creates the cognitive foundation of the bank by transforming business knowledge into trusted, governed, and reusable knowledge products. As a Principal Engineer – Knowledge Management, you will work closely with Knowledge Governance & Framework Leads, Knowledge Platform & Engineering Teams, Business SMEs, knowledge owners, product teams, and DHP platform and DevSecOps teams. Impact & Contribution: You will directly support CAIO's objective of creating the bank's enterprise knowledge capability and trusted knowledge products that accelerate AI-powered transformation across the Group. You will enable colleagues, copilots, and AI agents to access trusted, governed, and reusable enterprise knowledge, improving decision-making consistency and productivity. You will help transform fragmented business information into reusable knowledge products with clear ownership, lineage, provenance, permissions, and controls. You will provide technical leadership for enterprise knowledge platforms and retrieval capabilities that make business policies, procedures, controls, and operational knowledge AI-ready and safely consumable at scale. Roles & Responsibilities: Knowledge Platform Architecture: Own the solution architecture and technical design of core knowledge platform capabilities, including ingestion, enrichment, knowledge graph, retrieval, and lifecycle management. Ontology & Semantic Architecture: Lead the design and evolution of the enterprise ontology, semantic model, taxonomy, and metadata standards to create consistent knowledge across business domains. Enterprise Knowledge Products: Architect and deliver high-quality, AI-ready knowledge products that transform unstructured business knowledge into trusted, governed, and reusable assets. Knowledge Governance & Guardrails: Design and build governance and guardrail controls into the platform, including provenance, lineage, policy-aware access, classification, permissions, and auditability. RAG, GraphRAG & Agentic AI: Lead integration of the knowledge platform with LLM gateways, agent frameworks, and evaluation services to support safe RAG, GraphRAG, and agentic AI use cases. Engineering Standards: Establish engineering best practices, reusable architecture patterns, quality standards, and conduct design and code reviews for critical components. Technical Leadership & Mentoring: Mentor Staff and Senior Engineers and work with product owners, SMEs, and platform teams to translate complex business requirements into scalable technical solutions. Essential Skills: Knowledge Management & Semantic Engineering: Deep expertise in knowledge graphs, ontology engineering, semantic modelling, taxonomy, and metadata management for enterprise-scale knowledge ecosystems. Strong experience in unstructured data processing, document understanding, information extraction, entity resolution, and knowledge enrichment pipelines. RAG, GraphRAG & Retrieval: Hands-on expertise in RAG, GraphRAG, vector databases, search technologies, and retrieval optimisation for AI-powered knowledge systems. Experience building enterprise search, recommendation, discovery, and knowledge marketplace capabilities is desirable. Knowledge Graph & Semantic Technologies: Hands-on

The description is cut here. Read the full offer: https://jobsbylevel.com/jobs/principal-platform-engineer-at-commonwealth-bank-of-australia-6c5523

Source: https://jobsbylevel.com/jobs/principal-platform-engineer-at-commonwealth-bank-of-australia-6c5523

## Cite this page

Level. https://jobsbylevel.com/jobs/principal-platform-engineer-at-commonwealth-bank-of-australia-6c5523.

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