Senior Expert Enterprise Semantics and Knowledge Graph

NBN Co ltd.; City of Melbourne; Hybrid; AUD 180,000 - 240,000; Full time

Job summary

nbn is seeking a Senior Expert to lead the enterprise semantics and knowledge graph program, reporting to the General Manager of Data Science & Delivery in the Chief Data Office. The role focuses on strategy, standards, governance, and the growth of the enterprise knowledge graph, enabling AI-ready data across domains.

The successful candidate will drive semantic governance, enable business-owned semantic assets, and enhance AI explainability and traceability while delivering measurable outcomes

Qualifications

• Expertise in enterprise knowledge graphs, ontology engineering, semantic technologies.
• Experience leading semantic governance in large organizations.
• Ability to drive adoption of ontologies and enterprise knowledge graphs across domains.

Responsibilities

• Lead the strategy and governance for the Enterprise Knowledge Graph.
• Collaborate with business and tech teams to enable AI-ready data assets.
• Establish standards, governance frameworks, and semantic assets for reuse.

Skills

Ontology Engineering

Knowledge Graph

Semantic Governance

AI-ready Data

Stakeholder Engagement

Job description

# **Job Expectations****Position Title: Senior Expert, Enterprise Semantics and Knowledge Graph****Build your career and Australia’s future.**Not many people can say they are working on building Australia’s future. With us you’ll be doing just that, leaving a legacy for all Australians. Plus, there’s equal employment, great training, and true flexible working arrangements.A fantastic opportunity has presented itself for a **Senior Expert, Enterprise Semantics and Knowledge Graph** reporting to General Manager of Data Science & Delivery in the Chief Data Office.**A bit about your role**This role is responsible for leading nbn’s enterprise semantic data and knowledge capability, developing the strategy, standards, governance and frameworks that underpin AI-ready data. Working across business and technology teams, the role will drive the adoption of ontologies, mature the Enterprise Knowledge Graph, establish semantic governance, and enable business domains to manage semantic assets. The position plays a key role in supporting trustworthy AI, intelligent automation and data-driven decision-making by creating a shared understanding of nbn’s core business entities, processes, products, networks and customers.**A bit about you**The ideal candidate will have expertise in enterprise knowledge graphs, ontology engineering, semantic technologies, knowledge representation, information and data architecture, metadata and master data management, knowledge management, digital twins, and AI-ready data architectures. They will bring strong stakeholder engagement skills, experience working across both business and technology teams, and a proven ability to operate within enterprise-scale governance environments. Success in the role will be demonstrated by establishing sustainable semantic governance, enabling business-owned semantic assets, increasing reuse of enterprise concepts, improving AI explainability and traceability, embedding semantic capabilities into strategic initiatives, and delivering measurable business outcomes through the Enterprise Knowledge Graph.**Application Process**You may find that your experience does not match every requirement listed but, if this role has piqued your interest or resonates with where you are in your career, we encourage you to apply rather than self-select out. We are interested in transferable skills and your skills and perspective could be exactly what we would value to strengthen our team.**Life at nbn**To be part of nbn is to be part of something bigger. There’s so much more from here. Our pioneering spirit drives us forward every day. Together, we help lift the digital capability of the nation by building and connecting Australia’s best fibre infrastructure into homes and businesses, plus places and things, everywhere. We’re continuing to create Australia’s network—a network made for more. Not just a way for everyone to do the things they love but transforming the way they do them.**A more inclusive working world**nbn is committed to an inclusive, flexible, and supportive workplace where everyone can feel heard, valued, and respected. We believe diverse perspectives are the key to unlocking greater outcomes and encourage applications from people of all ages, nationalities, abilities, and cultures. That's why we have a Reconciliation Action Plan, Accessibility & Inclusion Plan, offer 18 weeks of paid parental leave, are a Pride in Diversity Platinum Employer, and have active employee-led diversity pillars. Click here to see our list of employee benefits and why we're recognised as a WORK180 Endorsed Employer for Women. **Equal Opportunities for All**We champion equal opportunities for all employees. If you have any accessibility requirements and would like to discuss adjustments for the recruitment process, please don’t hesitate to contact us by emailing [e-mail] or calling our Recruitment Accessibility Enquiry Line at [phone]. Please note, this line is dedicated to accessibility-related enquiries for the purposes of recruitment, and only enquiries related to accessibility adjustments will be answered. For other matters, please visit our Contact Us page on our website.**Please note that this role is a permanent opportunity and applications will close at midnight on Tuesday 13****th** **October 2026.****To be eligible for this role, you must have full working rights in Australia.**# **Worker Type**Permanent# **Time Type**# Full time### About Us****nbn**** is the team behind the design, build and operation of the ****nbnTM**** network - one of Australia’s largest technology infrastructure projects, which will help better connect Australians with each other and the rest of the world, no matter where you live.But the ****nbnTM**** network is so much more than access to fast internet. A state of the art communications network opens up a world of possibilities in areas such as education, business, innovation, healthcare, flexibility, and entertainment. It will help ensure our digital future, and give Australians benefits we can all enjoy, for decades to come.At ****nbn,**** you’ll work with inspirational leaders and innovators in their field, help take on engaging and exciting work, and seek original solutions to new challenges every day. Things move quickly at ****nbn****, and opportunities present themselves all the time. At ****nbn****, you have an incredible chance to broaden your skills and widen your horizons. This is a once in a lifetime opportunity to accelerate your career, and shape your own future, along with Australia’s.To apply, please follow the links and submit your resume. No cover letter or selection criteria is required.