Purchasing Buyer, Senior

energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.

Role Description Role Description — The Senior Buyer is responsible for end-to-end procurement execution for BESS projects. This role is execution-focused, emphasizing disciplined delivery against project schedules and specifications. Coordinate with engineering teams to align procurement activities with technical requirements.

Monitor supplier performance, lead times, and supply chain risks.

Track market trends in utility and electrical equipment, pricing, and the supplier landscape.

Proactively manage delivery schedules, expediting, changes, and recovery plans.

3–5 years of experience in procurement, sourcing, or supply chain roles.

Experience in renewable energy, power infrastructure, or energy storage.

Experience with project-based procurement.

Proficiency in Excel and ERP / procurement tools (Procure and NetSuite).

3–5 years of procurement experience in the energy or infrastructure sector.

Bachelor’s degree in Electrical Engineering, Business Administration Supply Chain, or a related field.

Experience with utility-scale or C&I energy projects.

Familiarity with UL, IEC, and IEEE standards applicable to BESS equipment.

Be part of a company driving the global energy transition.

Work hands-on with cutting-edge BESS technology.

High-visibility role with direct impact on project success.

Competitive salary + annual performance-based bonus eligibility

Medical, dental, and vision insurance

Paid time off and company holidays

Competitive salary + annual performance bonus eligibility

Major medical expenses and life insurance

Paid time off and holidays (per local policy)

Professional development and growth opportunities

Equal Employment Opportunity and Disability Information

Voluntary demographic and disability self-identification surveys are available as described in the company policy; completion is voluntary and confidential.