Role DescriptionThe 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. Category strategy and long-term supplier positioning are led by Sourcing / Category Managers.
Key Responsibilities- Manage RFQs and RFPs.
- Build and maintain strong relationships with OEMs and integrators.
- 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.
Key Skills & Competencies:- 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.
- Strong analytical skills and attention to detail.
- Ability to work comfortably in a fast-paced, growing organization.
- Proficiency in Excel and ERP / procurement tools (Procure and NetSuite)
Preferred Qualifications:- 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.
Why Join ON.energy• 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.
• Entrepreneurial environment with opportunities for growth and ownership.
For US-based roles - What you'll get:- Competitive salary + annual performance-based bonus eligibility
- Medical, dental, and vision insurance
- 401(k) with company match
- Paid time off and company holidays
For Mexico-based roles - What you'll get:- Competitive salary + annual performance bonus eligibility
- Christmas Bonus (Aguinaldo): 30 days
- Major medical expenses and life insurance
- Paid time off and holidays (per local policy)
For all roles:- Professional development and growth opportunities
- Opportunity to grow with a mission-driven team shaping the future of clean energy
- Benefits vary by role and location and are subject to change.
