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MFG Quality Senior Supervisor
Mainspring EnergyMenlo Park, United Statesfull_timeVerifiedPosted 3 Sept 2025
About the role
Company Overview
Mainspring Energy is revolutionizing power generation with the world’s most flexible and adaptable onsite power generator, the Mainspring Linear Generator. Commercial, industrial, and utility leaders are choosing Mainspring over traditional options like engines, turbines, and fuel cells to quickly and reliably deliver local power for EV charging, commercial facilities, data centers, and grid-scale operations. The Mainspring Linear Generator is fuel flexible, ramps up and down to meet demand, and utilizes a flameless technology with near-zero NOx emissions.
Backed by top-tier investors such as Khosla Ventures, Bill Gates, American Electric Power, and Lightrock, Mainspring designs, manufactures and delivers its products to customers across the U.S. today, and we’re quickly scaling for international expansion.
Inspired by our vision of the affordable, reliable, net-zero carbon grid, Mainspring is rapidly expanding within the $816B global electricity equipment market, and we’re hiring the best talent to meet growing customer demand around the globe. We welcome a broad range of backgrounds, experiences, and talents to bring fresh perspectives and ongoing innovation to our customers.
We are looking to build relationships with people who share our values:
Pragmatic Optimism. Building a new category of world-class power generation requires the optimism of ambition and creativity, balanced with practicality to solve problems efficiently. The challenges that arise are opportunities for growth.
Excellence without Ego. We bring expertise and commitment to creating the best customer experience, from sales to deployment and service, just as we apply deep technical rigor to building and delivering world-class products. We strive for excellence and behave as leaders with the humility to acknowledge our challenges, both collectively and as individual contributors.
Proactive Collaboration. The integration and cross-disciplinary nature of Mainspring’s business requires intentionally seeking out others who bring different skills, perspectives, and priorities. Our culture of inclusion and respect extends beyond our team to interactions with our partners and customers.
More information can be found at www.mainspringenergy.com
Job Overview
While Mainspring is growing rapidly to scale up production rate, quality is a crucial element to the success of our mission. The Manufacturing Quality Team is responsible for improving and ensuring product quality. You will refine and execute improvements to our conformance system of the manufacturing processes by collaborating with the Manufacturing, Design Engineering, and Manufacturing Engineering as well as other members of the enterprise. You will work to develop and execute conformance acceptance plans by utilizing the Advanced Product Quality Planning (APQP) process, and other quality system principles. You are highly organized, detail-oriented, communicative, and will thrive in a nimble, fast-paced environment.
Mainspring Energy is revolutionizing power generation with the world’s most flexible and adaptable onsite power generator, the Mainspring Linear Generator. Commercial, industrial, and utility leaders are choosing Mainspring over traditional options like engines, turbines, and fuel cells to quickly and reliably deliver local power for EV charging, commercial facilities, data centers, and grid-scale operations. The Mainspring Linear Generator is fuel flexible, ramps up and down to meet demand, and utilizes a flameless technology with near-zero NOx emissions.
Backed by top-tier investors such as Khosla Ventures, Bill Gates, American Electric Power, and Lightrock, Mainspring designs, manufactures and delivers its products to customers across the U.S. today, and we’re quickly scaling for international expansion.
Inspired by our vision of the affordable, reliable, net-zero carbon grid, Mainspring is rapidly expanding within the $816B global electricity equipment market, and we’re hiring the best talent to meet growing customer demand around the globe. We welcome a broad range of backgrounds, experiences, and talents to bring fresh perspectives and ongoing innovation to our customers.
We are looking to build relationships with people who share our values:
Pragmatic Optimism. Building a new category of world-class power generation requires the optimism of ambition and creativity, balanced with practicality to solve problems efficiently. The challenges that arise are opportunities for growth.
Excellence without Ego. We bring expertise and commitment to creating the best customer experience, from sales to deployment and service, just as we apply deep technical rigor to building and delivering world-class products. We strive for excellence and behave as leaders with the humility to acknowledge our challenges, both collectively and as individual contributors.
Proactive Collaboration. The integration and cross-disciplinary nature of Mainspring’s business requires intentionally seeking out others who bring different skills, perspectives, and priorities. Our culture of inclusion and respect extends beyond our team to interactions with our partners and customers.
More information can be found at www.mainspringenergy.com
Job Overview
While Mainspring is growing rapidly to scale up production rate, quality is a crucial element to the success of our mission. The Manufacturing Quality Team is responsible for improving and ensuring product quality. You will refine and execute improvements to our conformance system of the manufacturing processes by collaborating with the Manufacturing, Design Engineering, and Manufacturing Engineering as well as other members of the enterprise. You will work to develop and execute conformance acceptance plans by utilizing the Advanced Product Quality Planning (APQP) process, and other quality system principles. You are highly organized, detail-oriented, communicative, and will thrive in a nimble, fast-paced environment.
Responsibilities
- Lead the Quality Inspection Team and support their growth in terms of skillset and effectiveness.
- Develop and maintain trusting relationships with internal and external stakeholders including Manufacturing Operations, Supplier Quality Engineering, Contract Manufacturers and Design Engineering.
- Prioritize inspections and allocate resources to satisfy both internal and external stakeholders demands.
- Assess process capability performing Incoming Quality Control (IQC), In-Process Quality Control (IPQC) and Outgoing Quality Control (OQC) inspections to reduce resource allocation, identify opportunities for continuous improvement and lead Built In Quality (BIQ).
- Generate improvement ideas on dimensional inspection methods beyond CMM.
- Provide Design For Manufacturability/ Inspectability (DFx) feedback using data collected through inspections.
- Establish and maintain measurement tools calibration and certification.
Qualifications
- Bachelor’s degree in Engineering or related discipline
- 5+ years of inspection experience in a fast paced and high growth environment (industrial and/or automotive a plus)
- 3+ years of people leader experience
- Knowledge and experience with manufacturing processes like CNC, casting and metal fabrication
- The position will require up to 10% travel to contract manufacturers and suppliers
Must Haves
- You have effectively used geometric dimensioning and tolerancing ANSI Y14.5 to interpret manufacturing drawings and tolerance requirements to define the most effective measurement methods and tools.
- You have programmed advanc
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