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5 senior staff mechanical engineer jobs found

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Energy & Materials senior staff mechanical engineer California
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ER
Dec 05, 2025
Full time
Senior Manufacturing Engineer, Tooling
Energy Recovery San Leandro, CA, USA
Join Energy Recovery and Help Build a Sustainable Future At Energy Recovery, we build products that help limit global temperature rise, reduce carbon emissions, provide safe drinking water for millions of people, and bring efficiency and sustainability to a range of industries. Our products help customers avoid approximately 19.7 million metric tons of carbon emissions per year -- equivalent to removing over 4.7million cars from the road! In addition to innovating world-class products that help our customers and the environment, our employees enjoy a diverse, collaborative work culture, as well as extensive company benefits that support the overall wellbeing of our staff. This includes everything from generous health plans and time off, paid family leave, subsidized lunches and company events, and opportunities for charitable giving and volunteering in the community. What You Can Look Forward To: Energy Recovery, Inc. is seeking a qualified candidate for an immediate...
QS
Nov 09, 2025
Full time
Lead Cell Integration and Pack Engineer
QuantumScape Corporation CA, USA
QuantumScape is on a mission to transform energy storage with solid-state lithium-metal battery technology. The company's next-generation batteries are designed to enable greater energy density, faster charging and enhanced safety to support the transition away from legacy energy sources toward a lower carbon future. Job Title: Lead Cell Integration and Pack Engineer (Director) Report To: Consulting Member of Technical Staff or Senior Director Location : Onsite About QS: QuantumScape (NYSE: QS) is on a mission to revolutionize energy storage to enable a sustainable future. The company's next-generation solid-state lithium-metal battery technology is designed to enable greater energy density, faster charging and enhanced safety to support the transition away from legacy energy sources toward a lower carbon future. About the team : The Battery Systems Development team builds and tests systems powered by QS cells. We're a diverse, hands-on group of engineers who value...
CF
Oct 24, 2025
Full time
Senior Mechanical Engineer
Commonwealth Fusion Systems Milpitas, CA, USA
About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we're designing and building commercially viable fusion power plants. And working with policymakers and suppliers to build the energy industry of the future. We're in the best position to make it happen. Since 2018, we've raised nearly $3 billion in capital, making us the largest and leading private fusion company in the world. Now we're looking for more thinkers, doers, builders, and makers to join us. People who'll bring new perspectives, solve tough problems, and thrive as part of a team. If that's you and this role fits, we want to hear from you. Join the power movement as a Senior Mechanical Engineer We're looking for a Senior Mechanical Engineer to join our R&D and equipment design team to help build the next generation of thin-film deposition technology. The Senior...
QS
Oct 25, 2025
Full time
Controls Engineer, Principal Member of Technical Staff
$152,850 - $233,100 yearly
QuantumScape Corporation CA, USA
QuantumScape is on a mission to transform energy storage with solid-state lithium-metal battery technology. The company's next-generation batteries are designed to enable greater energy density, faster charging and enhanced safety to support the transition away from legacy energy sources toward a lower carbon future. What We Need: QuantumScape is seeking a highly skilled Principal Controls Engineer with extensive technical expertise and at least 10 years of experience to lead the design, development, and integration of advanced automation systems for manufacturing. This role offers an exciting opportunity to work with cutting-edge technologies in a dynamic and collaborative environment, driving innovation and operational excellence in cell manufacturing processes. What You'll Do: Lead the design and development of complex automation systems, including PLCs, HMIs, robotics, machine vision, and advanced control systems. Provide technical leadership to cross-functional teams,...
CF
Oct 19, 2025
Full time
Principal Mechanical Engineer
Commonwealth Fusion Systems Milpitas, CA, USA
About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we're designing and building commercially viable fusion power plants. And working with policymakers and suppliers to build the energy industry of the future. We're in the best position to make it happen. Since 2018, we've raised nearly $3 billion in capital, making us the largest and leading private fusion company in the world. Now we're looking for more thinkers, doers, builders, and makers to join us. People who'll bring new perspectives, solve tough problems, and thrive as part of a team. If that's you and this role fits, we want to hear from you. Join the power movement as a Principal Mechanical Engineer We're looking for a Principal Mechanical Engineer to join our R&D and equipment design team to help build the next generation of thin-film deposition technology. The...
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