Accounts Payable Specialist for AI Infrastructure

Firmus Technologies; 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 accurate, timely processing of supplier invoices and payments. You will work with Procurement, project teams and Finance to resolve issues, maintain clean AP records and support month-end close.

Reporting to the Finance Systems & Automation Lead, you will handle high-volume AP, PO compliance, coding accuracy, and cost allocation across projects, assets and cost centres, while ensuring controls and audit

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.
• Strong communication skills, both written and spoken.
• 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 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

Communication

Problem solving

Job description

Firmus Technologies in Sydney, Australia is seeking a hands-on AP Officer to support accurate, timely processing of supplier invoices and payments. You will work with Procurement, project teams and Finance to resolve issues, maintain clean AP records and support month-end close.

Reporting to the Finance Systems & Automation Lead, you will handle high-volume AP, PO compliance, coding accuracy, and cost allocation across projects, assets and cost centres, while ensuring controls and audit