Senior Buyer/Planner
mainspringenergy· Supply Chain
About this role
About Mainspring
Mainspring Energy manufactures and delivers fuel-flexible, low-emissions local power solutions that rapidly add new capacity and deliver reliable, affordable, and sustainable electric power. The company began commercial shipments of its Mainspring Linear Generators in 2020 and today has hundreds of megawatts in advanced development and field operations for leading Fortune 500 companies, data centers, and utilities. Mainspring also partners with global energy leaders including AEP, NextEra Energy Resources, Schneider Electric, and more.
The core values that ground our work, guide our decisions, and connect us together:
Pragmatic Optimism
Excellence without Ego
Proactive Collaboration
Job Overview
The Buyer/Planner will be managing various commodities and suppliers from “quote to pay” to ensure continuity of supply and reduce the cost of the assigned portfolio. The candidate will be organized, communicative, hands-on and will have regular shop floor engagement and constant cross-functional engagement with production, NPI, engineering, logistics, material handling, and suppliers. The role balances tactical buying excellence with advanced planning, supplier coordination, and cost control, ensuring uninterrupted supply while supporting business objectives.
Frequently Asked Questions
What is the salary for the Senior Buyer/Planner role at mainspringenergy?
The listed salary for this Senior Buyer/Planner position at mainspringenergy is USD 84K–115K. This is an Salary role.
Where is the Senior Buyer/Planner position at mainspringenergy located?
This Senior Buyer/Planner role at mainspringenergy is based in Menlo Park, CA. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Buyer/Planner role at mainspringenergy full-time or part-time?
This is listed as a Salary position. It is posted as a Senior Buyer/Planner role in the Supply Chain department at mainspringenergy.
Which team or department does the Senior Buyer/Planner at mainspringenergy belong to?
This Senior Buyer/Planner position is part of the Supply Chain department at mainspringenergy. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Buyer/Planner position at mainspringenergy?
Click the "Apply Now" button on this page. You will be redirected to mainspringenergy's official application portal hosted on lever where you can submit your application directly.
When was the Senior Buyer/Planner job at mainspringenergy posted?
This Senior Buyer/Planner position at mainspringenergy was posted on May 28, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Buyer/Planner
mainspringenergy · 💰 USD 84K–115K
You'll be redirected to mainspringenergy's official application page on Lever.