About us
We are a world leader in defence and space technology, with a strong presence in the international market. Our company designs, develops, and builds advanced systems that detect, identify, stabilise, control, and communicate to inform strategic decision-making.
We are a well-established member of the international defence and space communities and are currently in an exciting growth phase. With major contracts secured, a significant sales pipeline, and expansion into Europe underway, we are creating new teams and delivering multiple high-value projects.
This opportunity is available exclusively through HorizonOne.
The Opportunity
This newly created role presents a unique opportunity to establish our first in-house global tax function.
As Global Tax Manager, you will oversee all aspects of Australian and international tax compliance, planning, and strategy. You will play a key role in optimising our tax position, managing global obligations, and providing strategic guidance on cross-border transactions, structuring, and M&A.
Working closely with senior executives, finance, and legal teams, you will provide critical insights to support decision-making in a dynamic, fast-paced global environment.
This is a standalone role where you will build capability, drive improvement, and shape how we manage our tax obligations worldwide.
The Role
Key responsibilities include:
* Develop and implement global tax strategies to minimise liabilities and optimise efficiency
* Advise on international business decisions, including contracts, M&A, cross-border transactions, and expansions
* Manage compliance obligations across multiple jurisdictions, covering corporate tax, VAT/GST, transfer pricing, and indirect taxes
* Deliver accurate R&D tax reporting and integrate tax with broader financial reporting
* Oversee transfer pricing documentation, policies, and compliance
* Coordinate with external advisors and manage tax authority audits or disputes
* Identify and mitigate international tax risks, maintaining strong internal controls
* Provide guidance to finance, legal, and operational teams on international tax matters
* Implement technology and process improvements to streamline tax compliance and reporting
The Ideal Person
You will be an experienced tax professional with a strong track record in international tax compliance and planning. You are comfortable operating in complex, multinational environments and can provide clear, strategic advice to senior stakeholders.
* Bachelor's degree in accounting, finance, or related field (CA/CPA or Master's in Tax/Finance preferred)
* 5 - 7+ years' experience in international tax, ideally in a multinational or Big Four environment (Senior Manager or more likely Director level)
* Expertise in compliance, transfer pricing, structuring, and IFRS tax accounting
* Strong commercial and analytical skills, with the ability to influence at senior levels
* Self-starter who thrives in building capability and working in a high-growth, fast-paced, global context
Salary / Rate
A competitive remuneration package with full-time employment.
* $220k + Super + STI (commensurate with experience)
],