Accounts Payable Administrator (Contract) in Port Melbourne, Victoria at Arkeus

About Arkeus

Arkeus is a world leader in the provision of wide-area autonomous optical search systems in the Search, Intelligence, Surveillance and Reconnaissance space for Defence, Civil Defence and Environmental Sustainment applications. We specialise in the design, fabrication, manufacture and distribution of these innovative systems.

Backed by the billion-dollar deep-tech and industry expert investors Main Sequence, Beaten Zone Venture Partners, and Salus Ventures we are scaling the deployment of our next-generation hardware-enabled software platform to help our customers improve security and save lives.

We are a small yet fast-growing company with energy, passion and ambition. Our inclusive, transparent and merit-based culture focuses on building a diverse and capable workforce - one that attracts skilled individuals who share our purpose and values.

About the role:

We're looking for a detail-oriented and proactive Accounts Payable contractor to support our finance administration function at Arkeus.

This is a flexible engagement — open to part-time or full-time arrangements — suited to someone who thrives in a structured, process-driven environment and can hit the ground running with minimal oversight.

Your responsibilities:

• Processing supplier invoices and accurately coding expenses across projects, departments, and cost centres.
• Managing DEXT uploads and maintaining organised supporting documentation.
• Handling invoice approval workflows through ApprovalMax.
• Reviewing and processing employee expense claims and travel allowance submissions in line with internal policy.
• Reconciling credit card transactions and following up on missing receipts or documentation.
• Assisting with payment runs and supplier reconciliations.
• Managing and monitoring the bills inbox, including following up on outstanding invoices, approvals, and supplier queries.
• Supporting month-end finance administration tasks.
• Maintaining accurate financial records and contributing to ongoing improvements in AP processes and workflows.

Your experience and skills:

• Proven experience in accounts payable or finance administration (3+ years preferred).
• Hands-on experience with DEXT and ApprovalMax, or similar expense and approval tools.
• Strong attention to detail and a methodical approach to reconciliations and coding.
• Comfortable managing a shared inbox and prioritising a varied workload.
• Solid understanding of AP processes, including payment runs and supplier management.
• Proficiency with accounting software (e.g. Xero, MYOB, or similar).
• Ability to work independently and proactively flag issues or discrepancies.
• Strong communication skills for internal and supplier-facing follow-ups.

What we offer:

• Be part of something extraordinary – join a company at the forefront of Australian innovation, delivering technologies that make a real impact.
• Work alongside proven leaders – collaborate with experienced professionals from aerospace, defence, and academia who bring deep expertise and the same passion and energy you do.
• Thrive in a close-knit culture – become part of an inclusive, connected team in a dynamic scale-up environment. We hire the best, so you’ll be surrounded by like-minded professionals who inspire through their capability and drive.
• Enjoy flexibility and balance – benefit from workplace flexibility and a strong commitment to work–life balance.
• Make a real difference – contribute to work that matters, with tangible impact for customers and industry.