Head of Tax

Quantium

Lead global tax strategy at one of the world’s most advanced data science and AI organisations.

Quantium is a global leader in data science, artificial intelligence, and analytics. Founded in Australia in 2002, we have grown into a team of more than 1,200 professionals across 14 locations, combining deep expertise in both product innovation and consulting services.

We work with some of the world’s largest organisations to unlock value through data, shape better decisions, and create a smarter future. Today, we are fully committed to becoming an AI-native organisation—and helping our clients do the same.

With 23 years of domain expertise, unique proprietary data partnerships, and industry-leading AI adoption, Quantium is redefining what modern business can achieve.

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The Opportunity

As Head of Tax, you will play a pivotal role in designing and leading Quantium’s global tax strategy during an exciting phase of international growth and AI-driven transformation.

Reporting directly to the CFO, you will take full ownership of the global tax function, leading a team while balancing strategic leadership with hands-on delivery. This is a rare opportunity to shape the tax operating model of a scaling multinational business while transforming traditional tax processes through the use of AI.

You will be instrumental in building a future-ready tax framework that supports international expansion, complex cross-border operations, and the commercialisation of cutting-edge AI products.

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What You’ll Be Responsible For

Global Tax Leadership

• Design and implement a robust global tax framework across:

• Australia

• United States

• India

• United Kingdom

• South Africa

• New Zealand

• Ensure strong tax governance, compliance, and operational excellence across multiple jurisdictions

• Manage the complexities of multinational tax structures within a technology-led business

Transformation & Automation

• Lead strategic tax transformation initiatives across systems, processes, and controls

• Drive automation and innovation within the tax function

• Leverage AI tools, including platforms such as Claude, to modernise tax processes and improve efficiency

Tax Reporting & Strategic Insight

• Deliver accurate and timely half-year and full-year tax effect accounting

• Provide commercial tax advice to support:

• international expansion

• market entry decisions

• AI product commercialisation

• Help guide senior leaders with insight that enables better business decisions

Team Leadership

• Lead, develop, and inspire a high-performing team of three tax professionals

• Foster a culture of:

• innovation

• accountability

• collaboration

• positivity

• continuous improvement

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What Success Looks Like

In this role, you will combine strategic oversight with operational excellence. You will be equally comfortable advising the board, partnering with senior leadership, and getting into the detail of tax compliance and reporting when needed.

Your impact will be seen in a tax function that is not only compliant and commercially effective, but also forward-looking, scalable, and enhanced by AI.

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What You’ll Bring

Strategic Agility

• Ability to move seamlessly between high-level strategy and detailed execution

• Confidence presenting to senior executives and board-level stakeholders

• Strong judgement in fast-changing, complex business environments

Transformation Leadership

• A demonstrated ability to drive process improvement and automation

• Energy, optimism, and resilience that lifts teams and drives change

• Proven success building or evolving high-performing tax capabilities

Commercial Acumen

• Strong in-house or commercial experience translating tax complexity into business value

• Ability to operate effectively in ambiguity and support innovation without unnecessary constraint

• A practical and solutions-focused mindset

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Required Experience

• Big 4-trained tax professional

• Subsequent commercial and/or in-house corporate experience

• Strong experience managing tax across multinational operations

• Exposure to the technology sector or businesses with significant people mobility is highly regarded

• Demonstrated success in process improvement and transformation initiatives

• Experience leading teams and managing stakeholders across all levels, including board-level presentations

• Excellent project management skills with the ability to manage multiple priorities

• Ability to operate autonomously in a fast-paced, evolving environment

• Deep expertise in Australian tax

• Knowledge of US, UK, and Asian tax jurisdictions will be highly regarded

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Why Join Quantium?

At Quantium, you will work at the forefront of AI transformation while leading tax strategy for a globally scaling organisation. You’ll have direct exposure to the CFO and Country Heads, influencing decisions that shape the future of the business.

This is more than a leadership role in tax. It is an opportunity to redefine how tax functions operate in the digital age and to build capabilities that will shape the future of the profession.

By joining Quantium, you will have the chance to:

• Own the global tax function with genuine autonomy

• Shape the future of tax in an AI-first organisation

• Lead transformation across regulatory and compliance processes

• Develop future-focused skills at the intersection of tax, technology, and AI

• Make a visible impact in a business known for innovation and intelligent growth

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Benefits

In addition to the unique Quantium experience, you will enjoy a benefits package designed to support flexibility, growth, and innovation.

What’s on offer

• Flexible work arrangements
  Hybrid and flexible working options to help you achieve balance in a way that works for you

• AI-powered tools
  Access to leading AI technologies and training to enhance productivity and capability

• Investment in your development
  Financial support for a range of personal and professional study options, helping you build your future with confidence

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About Quantium

Quantium partners with leading organisations around the globe to solve complex challenges through data, analytics, and AI. Our work is ambitious, our thinking is bold, and our future is AI-native.

If you’re a strategic tax leader ready to build, transform, and lead at global scale, this is your opportunity to make a defining impact.

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Privacy Notice

Quantium’s recruitment process involves the collection and use of personal information. For more information, please refer to our Candidate Data Collection Notice, which outlines how we collect, use, and store your personal information, including any potential disclosure to our majority shareholder, Woolworths Group Limited.