ACCIONA is a global company, leading in the development of regenerative infrastructure that creates a positive impact on society. Our workforce consists of more than 65,000 professionals, present in more than 40 countries across the five continents, all contributing in our mission to design a better planet. Are you a passionate individual who wants to make a difference, promote sustainable development, and find solutions to the biggest global challenges including climate change, overpopulation, and water scarcity? Come and join us in building the infrastructure our planet needs to achieve a sustainable future.

About the Project

ACCIONA is proud to be delivering the Alkimos Seawater Desalination Plant, a major sustainable infrastructure project supporting Western Australia’s future water security. This world‑class facility will combine innovation, environmental leadership, and advanced technology to meet the growing needs of the Perth community.

The Opportunity

We are seeking an experienced and detail‑oriented Accounts Payable Officer to support financial operations for the Alkimos project.

Working closely with our Finance Manager, procurement teams, and Contract Administrators, you will play a key role in ensuring accurate, timely, and efficient processing of all supplier and subcontractor payments.

This is a fantastic opportunity to contribute to one of WA’s largest and most exciting infrastructure projects while growing your career within a global leader in sustainable solutions.

Key Responsibilities

• Invoice Processing: Review, verify and accurately process invoices aligned with contracts, purchase orders, and cost codes.
• Payment Management: Prepare, schedule, and process timely payments to vendors and subcontractors.
• Reconciliation: Reconcile the AP ledger against the general ledger; follow up discrepancies with internal teams or suppliers.
• Vendor Relations: Serve as the primary point of contact for vendor payment queries and statement reconciliations.
• Documentation: Maintain compliant and well‑organised financial records in accordance with company and regulatory standards.
• Cost Tracking & Reporting: Support project teams with expense tracking and the preparation of financial reports.
• Compliance: Ensure adherence to internal controls, AP policies, taxation requirements, and construction accounting standards.
• Process Improvement: Recommend and support improvements to enhance workflow efficiency and accuracy.

• Experience in accounts payable within construction, engineering, or large projects (desirable but not essential).
• Strong attention to detail, accuracy, and organisation skills.
• Excellent communication and stakeholder management abilities.
• Proficiency with financial systems and AP processes.
• A proactive mindset with the ability to work in a fast‑paced project environment.

What We Offer
You join a collaborative finance and commercial community that supports ownership, delivery and improvement. You work on complex infrastructure, gaining learning and exposure to major project environments. We provide structured development, inclusive culture and a strong commitment to wellbeing and safety.