HEAT Jobs in California

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Silicon Photonics Validation Engineer

PsiQuantum

•

Palo Alto, California, USA

Full-time

Quantum computing holds the promise of humanity's mastery over the natural world, but only if we can build a real quantum computer. PsiQuantum is on a mission to build the first real, useful quantum computers, capable of delivering the world-changing applications that the technology has long promised. We know that means we will need to build a system with roughly 1 million qubits that supports fault tolerant error correction within a scalable architecture, and a data center footprint. By harnes
Posted 42 days ago | Updated moments ago

Distinguished Engineer - Optical System Architect

Marvell Semiconductor Inc.

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Santa Clara, California, USA

Full-time

About Marvell Marvell's semiconductor solutions are the essential building blocks of the data infrastructure that connects our world. Across enterprise, cloud and AI, automotive, and carrier architectures, our innovative technology is enabling new possibilities. At Marvell, you can affect the arc of individual lives, lift the trajectory of entire industries, and fuel the transformative potential of tomorrow. For those looking to make their mark on purposeful and enduring innovation, above and be
Posted 17 days ago | Updated moments ago

Mechanisms Engineer (Starship)

SpaceX

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Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. MECHANISMS ENGINEER (STARSHIP) To enable rapid reusability of our launch vehicles, mechanical systems will need to be greatly simplified, more reliable, and easier to manufacture. As a Mechanisms Engineer you will be
Posted 60+ days ago | Updated moments ago

Mechanical Engineer (Starship)

SpaceX

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Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. MECHANICAL ENGINEER (STARSHIP) To enable rapid reusability of our launch vehicles, mechanical systems will need to be greatly simplified, more reliable, and easier to manufacture. As a Mechanical Engineer you will be
Posted 60+ days ago | Updated moments ago

R&D Engineer, Detector Design, Model, and Analysis

PsiQuantum

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Palo Alto, California, USA

Full-time

Quantum computing holds the promise of humanity's mastery over the natural world, but only if we can build a real quantum computer. PsiQuantum is on a mission to build the first real, useful quantum computers, capable of delivering the world-changing applications that the technology has long promised. We know that means we will need to build a system with roughly 1 million qubits that supports fault tolerant error correction within a scalable architecture, and a data center footprint. By harnes
Posted 60+ days ago | Updated moments ago

Real-Time Software Engineer

Commonwealth Fusion Systems

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Milpitas, California, USA

Full-time

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 over $2 billion in capital - more than any other fusion energy company in th
Posted 21 days ago | Updated moments ago

Materials Engineer (Level II)

Lockheed Martin

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Sunnyvale, California, USA

Full-time

Job ID: 691733BR Date posted: May. 05, 2025 Description:Space is a critical domain, connecting our technologies, our security, and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire, and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can ac
Posted 5 days ago | Updated 19 hours ago

Operating Engineer

JLL

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Seal Beach, California, USA

Full-time

JLL empowers you to shape a brighter way. Our people at JLL and JLL Technologies are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you've got deep experience in commercial real estate, skilled trades or technology, or you're looking to apply your relevant e
Posted 15 days ago | Updated moments ago

Mechanical Engineer II - Fluid Systems (Hybrid)

Westinghouse Electric Company LLC

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Remote or Pennsylvania, USA

Full-time

Are you interested in being part of an innovative team that supports Westinghouse's mission to provide clean energy solutions? At Westinghouse, we recognize that our employees are our most valuable asset and we seek to identify, attract and recruit the most qualified talent while recognizing and encouraging the value of diversity in the global workplace. If this sounds like an environment you would thrive in, we have an exciting opportunity for an experienced Mechanical Engineer 2 forFluid Syst
Posted 60+ days ago | Updated moments ago

Sr. Thermal Development Engineer

Rivian

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Irvine, California, USA

Full-time

About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it
Posted 20 days ago | Updated moments ago

Senior Controls Software Engineer

Commonwealth Fusion Systems

•

Milpitas, California, USA

Full-time

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 over $2 billion in capital - more than any other fusion energy company in th
Posted 28 days ago | Updated moments ago

Staff Materials & Processes Engineer, Stage

Relativity Space

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Long Beach, California, USA

Full-time

At Relativity Space, we have two audacious goals: to build the next great commercial launch company with Terran R and to become America's leading force in additive manufacturing innovation. Both contribute to our long-term vision of creating humanity's industrial base on Mars, paving the way for interplanetary life to expand the possibilities of the human experience. This journey begins right here on Earth - where we design, build, and fly rockets to deliver customer payloads to orbit. Terran R,
Posted 60+ days ago | Updated moments ago

Senior Materials & Processes Engineer, Stage

Relativity Space

•

Long Beach, California, USA

Full-time

At Relativity Space, we have two audacious goals: to build the next great commercial launch company with Terran R and to become America's leading force in additive manufacturing innovation. Both contribute to our long-term vision of creating humanity's industrial base on Mars, paving the way for interplanetary life to expand the possibilities of the human experience. This journey begins right here on Earth - where we design, build, and fly rockets to deliver customer payloads to orbit. Terran R,
Posted 60+ days ago | Updated moments ago

Internship, Power Electronics Mechanical Engineer, Energy Engineering (Fall 2025)

Tesla Motors

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Palo Alto, California, USA

Full-time

Consider before submitting an application: This position is expected to start August/September 2025 and continue through the entire Fall term (i.e. through approximately December 2025) or into Winter/Spring 2026 if available. We ask for a minimum of 12 weeks, full-time and on-site, for most internships. International Students: If your work authorization is through CPT, please consult your school on your ability to work 40 hours per week before applying. You must be able to work 40 hours per wee
Posted 16 days ago | Updated moments ago

Mechanical Engineer

Stantec

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Bakersfield, California, USA

Full-time

Mechanical Engineer - ( 250001OA ) Description As energy availability becomes increasingly critical, there's no end to the scope and significance of your work - and to where it can take you at Stantec. Every day, we're problem-solving and collaborating on projects that are as challenging as they are impactful. Whether designing new EV charging, hydrogen or CNG delivery systems, CO2 capture system, a transformational cross-country pipeline, optimizing operation and design or existing facilities,
Posted 14 days ago | Updated moments ago

Responsible Engineer, Turbomachinery (Starship)

SpaceX

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Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. RESPONSIBLE ENGINEER, TURBOMACHINERY (STARSHIP) This role as a responsible engineer (RE) focuses on the development of turbomachinery for Starship's fluid systems, with the goal of creating high-performance and highly
Posted 55 days ago | Updated moments ago

Battery Cell Engineer II, Modeling

Rivian

•

Tustin, California, USA

Full-time

About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it
Posted 22 days ago | Updated moments ago

Sr. Propulsion Engineer (Merlin Turbopumps & Injectors)

SpaceX

•

Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SR. PROPULSION ENGINEER (MERLIN THRUST CHAMBER ASSEMBLIES / TURBOPUMPS & INJECTORS) As a Manufacturing Engineer at SpaceX, you will utilize your knowledge, experience, and creativity to develop novel solutions at the
Posted 53 days ago | Updated moments ago

Staff System Engineer

PsiQuantum

•

Palo Alto, California, USA

Full-time

Quantum computing holds the promise of humanity's mastery over the natural world, but only if we can build a real quantum computer. PsiQuantum is on a mission to build the first real, useful quantum computers, capable of delivering the world-changing applications that the technology has long promised. We know that means we will need to build a system with roughly 1 million qubits that supports fault tolerant error correction within a scalable architecture, and a data center footprint. By harnes
Posted 60+ days ago | Updated moments ago

Staff Software Engineer, Control

PsiQuantum

•

Remote or Palo Alto, California, USA

Full-time

Quantum computing holds the promise of humanity's mastery over the natural world, but only if we can build a real quantum computer. PsiQuantum is on a mission to build the first real, useful quantum computers, capable of delivering the world-changing applications that the technology has long promised. We know that means we will need to build a system with roughly 1 million qubits that supports fault tolerant error correction within a scalable architecture, and a data center footprint. By harnes
Posted 60+ days ago | Updated moments ago