Accounts Payable Specialist — High-Volume, Multi-Project

Firmus; Sydney; On-site; AUD 70,000 - 100,000; Full time

Job summary

Firmus Technologies in Sydney, Australia, is seeking a hands-on AP Officer to support high-volume supplier invoice processing as our AI infrastructure scales. You will ensure PO compliance, accurate coding, and correct cost allocation across multiple projects and entities, while maintaining strong controls and assisting month-end close.

Working with procurement, project teams and finance, you will resolve discrepancies, manage multi-currency invoices, and uphold audit-ready processes in a

Qualifications

• Strong attention to detail and ability to manage competing deadlines in a fast-paced environment.
• Ability to work collaboratively with procurement, project managers, and finance stakeholders.
• Problem solving skills, and a continuous improvement mindset

Responsibilities

• End-to-end Accounts Payable processing in a high-volume environment
• Processing large volumes of supplier invoices across multiple entities and projects
• Reviewing and validating purchase orders, approvals, coding, and invoice matching to ensure accuracy
• Processing high-value capital expenditure (CapEx) and asset-related invoices for construction projects
• Ensuring accurate allocation of costs across projects, assets, and cost centres
• Managing supplier prepayments and ensuring correct allocation against invoices
• Handling multi-currency invoices and payments
• Reviewing and processing employee expense claims to ensure accuracy and compliance
• Investigating invoice discrepancies and resolving AP issues with suppliers, procurement, and project teams
• Working within complex approval workflows and ensuring coding accuracy
• Assisting with month-end AP close activities, accruals, and reconciliation support
• Ensuring compliance with internal controls, company policies, and audit requirements

Skills

Attention to detail

Collaboration

Problem solving

Job description

Firmus Technologies in Sydney, Australia, is seeking a hands-on AP Officer to support high-volume supplier invoice processing as our AI infrastructure scales. You will ensure PO compliance, accurate coding, and correct cost allocation across multiple projects and entities, while maintaining strong controls and assisting month-end close.

Working with procurement, project teams and finance, you will resolve discrepancies, manage multi-currency invoices, and uphold audit-ready processes in a