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7 principal process development engineer jobs found

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Energy & Materials principal process development engineer California
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ST
Dec 19, 2025
Full time
Principal Engineer, Test Execution
$120,299 - $180,449 yearly
Solar Turbines Incorporated San Diego, CA, USA
Career Area: Engineering Job Description: Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you're joining a global team who cares not just about the work we do - but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here - we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it. The Test Execution Group (TEG) provides engineering support for product development and testing within the New Product Introduction (NPI) organization. The group collaborates with Product Engineering and Packaging teams to deliver high-quality test data, advanced instrumentation, and insightful analysis that drives innovation in engine and component development. What We Do Our team specializes in: Engineering Solutions: Design responsibility...
ST
Dec 18, 2025
Full time
Sr Principal Engineer
Solar Turbines Incorporated San Diego, CA, USA
Career Area: Engineering Job Description: Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you're joining a global team who cares not just about the work we do - but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here - we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it. About the Role: The Turbine Production Engineering (TPE) department provides our manufacturing, operations, and supply chain partners with technical engineering support related to Solar's gas turbine components and assemblies. TPE engineers are expected to support all engine model lines with respect to their accountable part family. This position requires extensive collaboration with internal customers within manufacturing, operations, supply chain,...
ST
Dec 11, 2025
Full time
Senior Materials Engineer
Solar Turbines Incorporated San Diego, CA, USA
Career Area: Engineering Job Description: Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you're joining a global team who cares not just about the work we do - but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here - we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it. Job Description Solar Turbines Incorporated, headquartered in San Diego, California, is a wholly owned subsidiary of Caterpillar Inc. Solar manufactures the world's most widely used family of mid-sized industrial gas turbines, ranging from 1 to 23 megawatts. Solar is a leading provider of energy solutions, featuring an extensive line of gas turbine-powered compressor sets. Job Summary: This position, in the Failure Analysis & Materials...
Qc
Dec 11, 2025
Full time
Principal Electrical Engineer - Level 5
$170,000 - $190,000 yearly
Qcells Irvine, CA, USA
Description Title: Principal Electrical Engineer - Level 5 Department: Engineering Location: Irvine, CA Supervisor: Manager of Electrical Engineering FLSA Status: Exempt Position Status: Permanent, Full-time Work Status : (Hybrid/Remote/In-Office): Remote PRINCIPAL ELECTRICAL ENGINEER - LEVEL 5 Hanwha Qcells USA Corp ( Qcells USA), headquartered in Irvine, CA, specializes in providing utility-scale modules, solar photovoltaic (PV), and battery energy storage systems (BESS) project development, along with Engineering, Procurement, and Construction (EPC) services for solar and BESS projects nationwide. Qcells USA delivers comprehensive turnkey solutions encompassing the entire utility-scale project lifecycle. By choosing Qcells USA for turnkey solutions, customers can reduce uncertainty and risk, leading to enhanced investment returns and contributing to a more sustainable future. Qcells USA's complete turnkey solutions seamlessly integrate the expertise of our...
QS
Oct 25, 2025
Full time
PMTS, Mechanical Design Engineer
$160,700 - $217,000 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: Join us on our mission as we transform energy storage to enable a more sustainable future. We are looking to add a Principal Mechanical Design Engineer to our Cell Engineering and Manufacturing Development team. This individual will be responsible for designing and scaling QuantumScape's unique solid-state lithium metal batteries for high volume production. This work includes designing new cell structures, encasings, components, and assembly tools in addition to methodologies to validate the fidelity of these new designs. You must have experience working with electrochemical energy storage devices such as lithium-based batteries or similar technology....
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,...
TW
Nov 27, 2025
Full time
Sr. Project Engineer
The Wonderful Company Los Angeles, CA, USA
Company Description From farm to table, The Wonderful Company is a privately held $6 billion company committed to offering high-quality, healthy, and iconic brands such as Wonderful Pistachios, Wonderful Halos, FIJI Water, and POM Wonderful. We're looking to make the world a healthier place through an uncompromising commitment to the well-being of our consumers, communities, and employees. Job Description The Sr. Project Engineer will perform complex, specialized project management and engineering functions, and help manage the company's commercial construction activities and capital improvement projects. More specifically, they will perform the following professional duties: Review construction documents, analyze and interpret engineering plans, specialized contract terms, and schedules; identify potential issues related to constructability, maintainability, and long-term operations, and communicate findings. Collaborate across disciplines-including design, construction,...
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