Senior Accountant

Location: Reno, Nevada
Schedule: Regular full-time, in office with optional one day work from home
Reports to: US Finance Director

At ioneer, our mission is to responsibly develop the Rhyolite Ridge Lithium-Boron Project in Nevada and help strengthen the U.S. supply of critical minerals essential to clean energy, advanced manufacturing, and national security. Guided by our People Pledge, we are building a culture rooted in collaboration, accountability, innovation, and respect.

We are looking for a value-driven accounting professional to join our finance team who wants to be part of helping to shape a sustainable future for our people, communities, stakeholders, and industry.

The Senior Accountant will be responsible for financial and management accounting, capital project accounting, budget reporting, internal controls, and establishing scalable accounting processes to support a growing mining organization. This role is ideal for someone with experience in large-scale construction, mining development, energy, or other capital-intensive industries who thrives in a dynamic, fast-evolving environment.

A self-motivated, proactive accounting professional with strong technical expertise, sound judgment, and high attention to detail.
The successful candidate will be able to manage multiple work streams, meet deadlines, communicate effectively with stakeholders at all levels, and work both independently and collaboratively in an evolving environment.
This person should bring an energetic, enthusiastic, and solutions-focused approach, with an interpersonal style that supports teamwork, respectful working relationships, process improvement, and strong results.

• Perform the monthly close process, including journal entries, consolidation workbook, account reconciliations, and supporting schedules.
• Review 3rd party-generated payroll journal entries for proper mapping and posting in ERP system.
• Manage monthly cost reporting, including variance analysis, and executive summary cost reports.
• Prepare financial analysis for key accounts.
• Account for daily cash activity and prepare cash analysis for review by Finance Director.
• Review transactions posted by Accounts Payable for input accuracy and make any required month-end corrections.
• Review and approve new supplier setups in ERP.
• Review recurring state, county and city tax filings, including sales and use tax.
• Review annual 1099 filings for accuracy and coordinating distribution.
• Participate in ERP implementation, system enhancements, and process automation initiatives led by the US Finance Director.
• Maintain the fixed asset register for non-constructions items.
• Provide finance support to the US Finance Director, Sydney Finance Manager, and CFO as required.

• Partner with cost center owners to monitor spending against budget.
• Monitor project spending against approved budgets.
• Assist with preparation of annual budgets and rolling forecasts.

• Strengthen internal controls and processes during organizational growth.
• Support external audit requirements led by US Finance Director.

• Serve as a finance resource to the Ioneer team.
• Participate in cross-functional initiatives supporting the successful transition from exploration to mining operations.
• Complete additional tasks and projects as requested by the US Finance Director, Sydney Finance Manager, and CFO.

• 3-5 years accounting and general ledger experience
• Bachelor’s degree in accounting or finance required
• Experience performing accounting in a multi-currency environment
• Previous exposure to the mining industry and/or large capital projects preferred