Buyer 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


We are ramping up our production and have ambitious delivery plans for the future. We are looking for a motivated and versatile Buyer to join our Supply Chain team in a fast paced, results focused purchasing environment.  Our current program scope involves the design, development, installation, evaluation, and documentation of large-scale battery systems.

What you’ll do at ESS:

  • Support engineering and other support groups with timely purchase order placements, ensuring Purchase Requisition to Purchase order is completed within defined deadlines.
  • Ensure supplier delivery schedules support manufacturing needs with >90% on time delivery.
  • Monitor supplier performance metrics, hold supply base accountable.
  • Work with cross-functional teams to resolve issues with finance and/or quality.
  • Work closely with Engineering to support NPI projects with timely sourcing and delivering of solutions from the supply base.

What you bring to the table

Minimum requirements:

  • Five or more years of Purchasing/Procurement experience in a NPI and manufacturing environment.
  • Experience with inventory and MRO procurement (including services and indirect materials).
  • Excel proficiency.
  • Excellent negotiation skills.
  • Project management skills.

We’d love to see:

  • Degree in Business, Supply Chain, or similar field is preferred, but not required.
  • APICS or related purchasing industry certifications.
  • Experience with Power BI or other data visualization/mining tools.
  • Must be able to wear Personal Protection Equipment according to OSHA rules and regulations.
  • Experience with machined and molded plastics, various metals, fabrication, and contract manufacturers.
  • Knowledge of ISO a plus.
  • Travel to local suppliers as needed.