Accounts Payable Accountant at ESS
Wilsonville, OR, US

Note: ESS is committed to the safety and wellbeing of our employees and community therefore we require COVID-19 vaccinations as a condition of employment. 

Catalyzing a cleaner future.

At ESS (NYSE: GWH), our mission is to accelerate global decarbonization by providing safe, sustainable, long-duration energy storage that powers people, communities, and businesses with clean, renewable energy anytime and anywhere it’s needed. As more renewable energy is added to the grid, long- duration energy storage is essential to providing the reliability and resiliency we need when the sun is not shining and the wind is not blowing. 

Our technology uses earth-abundant iron, salt, and water to deliver environmentally safe solutions capable of providing up to 12 hours of flexible energy capacity for commercial and utility-scale energy storage applications. Established in 2011, ESS Inc. enables project developers, independent power producers, utilities, and other large energy users to deploy reliable, sustainable long-duration energy storage solutions. For more information visit 

ESS is looking for an experienced AP Accountant to support our growing organization. As the AP Accountant, you will be responsible for the full AP cycle.

What you’ll do at ESS.

  • Daily invoice processing 
  • Match invoices with POs and receipts 
  • Code Account/cost center for non-PO invoices and route for approval
  • Research issues with pricing/quantity discrepancies 
  • Vendor master inquiries
  • Review vendor statements and research issues and past due invoices
  • Contact vendors for late invoices for monthly accrual 
  • Monthly reconciliation of AP aging to ledger 
  • Weekly check runs 
  • Generate ACH/wire payments through bank website 
  • Perform expense report auditing to corporate policy compliance 
  • Enter credit card and recurring bank transactions into Oracle on a weekly basis
  • Enter expense reports into Oracle
  • Manage the annual 1099s 
  • You may also be asked to support miscellaneous projects, monthly close, audits and quarterly ERP updates

What you bring to the table.

  • Bachelor’s degree in accounting, finance, or business preferred 
  • 3+ years of experience working as AP or staff accountant 
  • Experience with enterprise ERP system (Oracle, SAP, etc.) in a manufacturing environment
  • Positive attitude and striving to improve/learn new things every day 
  • Proficient in using a PC – Microsoft Teams, Outlook, Excel, PowerPoint, SharePoint

Benefits of working at ESS.

In addition to the value of working with and helping grow a global reaching clean technology, ESS offers Company assisted medical, dental and vision, 401k with Company match, Employee Stock Purchase Plan (ESPP), a generous PTO accrual, and 8 paid holidays.

As an equal opportunity employer, we are open to considering every qualified candidate who is eligible and legally authorized to work in the United States on a full or part-time basis, without a need for sponsorship.

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.