136 senior mechanical engineer jobs found in San Francisco, CA

As a team, we've launched five satellites into orbit, signed ten commercial deals worth over $1 billion in revenue, raised over $750 million from top global investors, and recruited a team of over 400 world-class engineers. We all work out of our (legendary) San Francisco office, which was once used to build ships during the World Wars. Our satellites, which operate from geostationary orbit (GEO), weigh only 400 kg and utilize a proprietary software-defined radio payload. Each satellite can connect over two million people, and we're very excited for the impact we'll soon have in the Philippines, Mexico, and more! Backed by substantial funding and a passionate, collaborative team, we offer a rewarding work environment where you'll learn and make a significant impact, no matter where you are in your career. Senior Mechanical Engineer As an Astranis Senior Mechanical Engineer you will own the complete lifecycle of various subsystems on our spacecraft. Whether it is incremental...

Company Overview Kairos Power is a new nuclear energy technology and engineering company whose mission is to enable the world's transition to clean energy, with the ultimate goal to dramatically improve people's quality of life while protecting the environment. This goal will be accomplished through the commercialization of the fluoride-salt-cooled, high-temperature reactor (FHR) that can be deployed with robust safety, affordable costs, and flexible operation to accommodate the expansion of variable renewables. Job Summary The Chemistry Control System (CCS) Team is seeking a Senior Mechanical Engineer with experience in full cycle design and construction of pilot or industrial scale fluid mechanical systems and components for high temperature fluids or other large, complex tests and experiments. The successful candidate will lead and coordinate the detailed CCS design including vessels and piping, instrumentation/sensor interfaces, fluid-mechanical equipment and...

About Pacific Fusion Pacific Fusion was founded in 2023 with the mission to power the world with abundant, affordable, clean energy. We are rapidly designing and building a pulsed magnetic fusion system to achieve net facility gain (more fusion energy output than stored energy input). In parallel, we are developing the key components required to build affordable fusion systems. Our plans are ambitious. We have raised over $900M so far from incredible investors, resourcing us to deliver on these plans. We are bringing together the best scientists, engineers, and operators from the fusion community, hard tech industry, and other sectors. We are united by a shared sense of urgency to provide clean power for the world, particularly managing climate change while meeting growing global energy demand. You can read more about us in this letter from our founders. Why This Role Matters Pacific Fusion is seeking an exceptional Senior Mechanical Engineer to join our dynamic team...

Harris Group thrives on providing expert engineering for some of today's most complex challenges. We are creative in our approach by delivering multi-discipline services across a wide range of project types. Our successes are directly related to high-quality collaboration, across all offices, expertise, and backgrounds. Harris Group is a 100% Employee-Owned company with our eyes focused on the people in the company, the clients we serve, and the communities in which we live. Harris Group is looking for a Senior Mechanical Engineer to be based in our Lafayette, CA office. This role is responsible for providing professional engineering expertise to our projects that seek to positively impact both the community and the environment. The incumbent will work on innovative designs and see diverse projects through development, detailed design, commissioning, and construction support. What We Can Offer You Variety of project types: Life Science, Industrial Manufacturing, Biofuels,...

About Pacific Fusion Pacific Fusion was founded in 2023 with the mission to power the world with abundant, affordable, clean energy. We are rapidly designing and building a pulsed magnetic fusion system to achieve net facility gain (more fusion energy output than stored energy input). In parallel, we are developing the key components required to build affordable fusion systems. Our plans are ambitious. We have raised over $900M so far from incredible investors, resourcing us to deliver on these plans. We are bringing together the best scientists, engineers, and operators from the fusion community, hard tech industry, and other sectors. We are united by a shared sense of urgency to provide clean power for the world, particularly managing climate change while meeting growing global energy demand. You can read more about us in this letter from our founders. Why This Role Matters Pacific Fusion is seeking an exceptional Senior Mechanical Engineer to join our dynamic team...

At Wayve we're committed to creating a diverse, fair and respectful culture that is inclusive of everyone based on their unique skills and perspectives, and regardless of sex, race, religion or belief, ethnic or national origin, disability, age, citizenship, marital, domestic or civil partnership status, sexual orientation, gender identity, veteran status, pregnancy or related condition (including breastfeeding) or any other basis as protected by applicable law. About us Founded in 2017, Wayve is the leading developer of Embodied AI technology. Our advanced AI software and foundation models enable vehicles to perceive, understand, and navigate any complex environment, enhancing the usability and safety of automated driving systems. Our vision is to create autonomy that propels the world forward. Our intelligent, mapless, and hardware-agnostic AI products are designed for automakers, accelerating the transition from assisted to automated driving. In our fast-paced...

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...

We are seeking a Senior Mechanical Engineer to design, develop, and refine mechanical systems and components for cutting-edge robotic products. You will collaborate with multidisciplinary teams to create reliable and high-performance robotic solutions. This role offers an opportunity to push the boundaries of robotics technology while working on projects with real-world applications. Responsibilities: Design and develop mechanical systems for AI robots. Collaborate with cross-functional teams to integrate mechanical, electrical, and software components. Conduct feasibility studies and simulations to evaluate designs. Create engineering drawings, specifications, and documentation for manufacturing. Work closely with vendors to design and develop various modules. Perform prototype fabrication, testing, and validation to meet performance, reliability, and safety standards. Qualifications: Master's degree or PhD in Mechanical Engineering, Robotics, or related field. 5+...

Company Description Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. What sets us apart is our relentless pursuit of innovation. We leverage the latest advancements in cloud computing, artificial intelligence, and software-defined networking to provide our clients with a competitive edge in an increasingly interconnected world. Our solutions are designed to not only meet the current demands of the digital landscape but to also anticipate and adapt to future challenges. At Arista we value the diversity of thought and perspectives that each employee brings to the table. We believe that fostering an inclusive environment, where individuals from various backgrounds and experiences feel welcome, is essential for driving creativity and innovation. Our commitment to excellence has earned us several prestigious awards, such as Best Engineering Team, Best Company for Diversity, Compensation, and...

About Eridu AI Eridu AI is a Silicon Valley-based hardware startup pioneering infrastructure solutions that accelerate training and inference for large-scale AI models. Today's AI performance is frequently limited by system-level bottlenecks. Eridu AI delivers multiple industry-first innovations across semiconductors, software, and systems to unlock greater GPU utilization, reduce capital and power costs, and maximize data center efficiency. The company's solutions and value proposition have been validated by several leading hyperscalers. The company is led by a veteran team of Silicon Valley executives and engineers with decades of experience in state-of-the-art semiconductors, optics, software, and systems, including serial entrepreneur Drew Perkins, co-founder of Infinera (NASDAQ: INFN), Lightera (acq. by Ciena), Gainspeed (acq. by Nokia) and Mojo Vision (World's leading micro-LED company and developer of the first augmented reality contact lens). Position Overview...

We are the global test and automation specialists, powering next-generation technologies through sophisticated solutions. Behind every electronic device you use, Teradyne's test technology ensures your device works right the first time, every time! Our portfolio of automation solutions help manufacturers to develop and deliver products quickly, efficiently and cost-effectively. Together, Teradyne companies deliver manufacturing automation across industries and applications around the world! We attract, develop, and retain a high-performance workforce, comprised of people with diverse backgrounds and a shared drive for excellence. We strive to foster a positive and inclusive work environment that helps employees, and communities, thrive. Our Purpose TERADYNE, where experience meets innovation and driving excellence in every connection. We are fueled by creativity and diversity of thought and in our workforce. Our employees are supported to innovate and learn something new every...

The Company Halo Industries has developed technology that replaces an outdated semiconductor material slicing process. Our innovative, laser-based solution not only minimizes waste but also enhances material efficiency, thereby enabling advancements across high-growth markets, including automotive, telecommunications, and power electronics. Founded in 2014 at Stanford University, Halo Industries secured significant funding in 2024, fueling our expansion and the preparation for volume manufacturing. The Opportunity Halo Industries is seeking a Mechanical Engineer who will contribute to the design, testing, integration and deployment of both proprietary and commercial wafer processing equipment. Working with Halo's product and manufacturing teams, the hired candidate will contribute to the optimization and scaled deployment of Halo's technology. The primary responsibilities of the position include: • Design, build, and test high-precision electro-mechanical R&D and...

About Charge Charge Robotics is a Series A startup building robots that build solar farms. Demand for new solar projects is booming (1 / 5 of all the solar that exists in the US was installed last year!), but today's construction companies can't keep up due to limited labor resources. We thought this was insane, so we started working on robots to directly address this bottleneck and speed up the world's transition to renewables. Charge is a fast-moving company, which means constant opportunities for learning and growth. You'll have a large impact on the direction of our company, and will be compensated accordingly. If you are excited to work on interesting problems with direct climate impact, you're going to fit right in at Charge Robotics. Read more about Charge in recent press: Fast Company - Solar Building Robots to Solve One of Climate's Biggest Problems MIT News - Making solar projects cheaper and faster with portable factories YouTube - full video of our Gen1...

Job Description Primary Skills: Mechanical Design-Expert, Thermal Solutions-Advanced, 3D Design Tools-Intermediate, PCB Placement-Intermediate, Production Collaboration-Experienced. Contract Type: W2 ONLY Duration: 6+ months Location: San Jose, CA (onsite) Pay Range: $55 - $60 per hour on W2 Summary: This role is with the Data Center Networking Group focusing on the development of the Nexus 9000 line, with responsibilities including mechanical architecture, leading mechanical design for various chassis and system thermal solutions, and ensuring design quality through reliability testing. The ideal candidate will drive innovation, provide outstanding support through technical collaborations, and take ownership of assigned projects with strong communication skills. Working within the Common Hardware Group, you will contribute to clients Switching, Routing, and Wireless products, delivering outstanding silicon, optics, and hardware platforms. Key Responsibilities: Lead...

Job Description Primary Skills: MCAD-Expert, GD&T-Expert, Sheet Metal Design-Expert, Tolerance Analysis-Expert, Manufacturing-Metal-Expert Contract Type: W2 ONLY Duration: 6+ months Location: San Jose, CA (onsite) Pay Range: $82 - 85 Per hour on W2 Summary: As a pivotal part of Client's Service Provider Mechanical and Thermal team, the Senior Mechanical Engineer is tasked with leading the design efforts of our revolutionary Client's 8000 series routers. This role not only demands a proven track record in mechanical design, specifically with telecom systems, but also a dynamic ability to innovate and drive project success within a collaborative team environment. Leveraging Client's Silicon One ASIC, the incumbent will contribute to the creation of industry-transforming devices designed for the 5G era and AI networks, ensuring adaptability, high performance, and efficiency. Key Responsibilities: Provide leadership and innovative solutions in mechanical testing at...

At Robot.com we automate businesses to achieve peak efficiency and productivity, freeing human time for higher-level tasks. We believe that the future will be powered by clean and effective technological solutions, and we are committed to providing low-or no-cost delivery services to everyone. We are a dynamic, fast-paced organization that values collaboration, creativity, and innovation. We are excited to welcome the next generation of tech talent to our team. Location : San Francisco, US. About the Role: We are seeking a skilled and experienced Mechanical Engineer to join our Hardware & Manufacturing team. In this role, you will be at the forefront of designing, developing, and implementing mechanical components and systems for robotic applications for our autonomous robots. You will report directly to the Leader of the Hardware & Manufacturing Department and collaborate closely with the Advanced Robotics team. This is a unique opportunity to work within a...

Overview Lightship is the first American all-electric recreational vehicle manufacturer currently developing an aerodynamic, battery-powered trailer for the electric age. As the macro transition to an all-electric transportation ecosystem accelerates, Lightship is bringing the increased convenience and superior performance that electrification offers to a pastime enjoyed by over 11 million American families. Honoring Diverse Perspectives Lightship is committed to hiring and developing top talent from diverse backgrounds. We believe representing and supporting diverse groups is key to the success of our team members, customers, shareholders and the achievement of our mission and vision. We operate in a collaborative environment with a flat organizational structure and expect a high degree of integrity, autonomy and creativity from all members of the team. About this role As a Senior Mechanical Design Engineer, you will be a key member of the vehicle exteriors team, with...

About Pacific Fusion Pacific Fusion was founded in 2023 with the mission to power the world with abundant, affordable, clean energy. We are rapidly designing and building a pulsed magnetic fusion system to achieve net facility gain (more fusion energy output than stored energy input). In parallel, we are developing the key components required to build affordable fusion systems. Our plans are ambitious. We have raised over $900M so far from incredible investors, resourcing us to deliver on these plans. We are bringing together the best scientists, engineers, and operators from the fusion community, hard tech industry, and other sectors. We are united by a shared sense of urgency to provide clean power for the world, particularly managing climate change while meeting growing global energy demand. You can read more about us in this letter from our founders. Why This Role Matters Pacific Fusion is seeking an exceptional Senior Mechanical Design Engineer to join our dynamic...

Fulfil is a well-funded, rapidly growing, and inclusive company that has developed a custom automation robotics system to pick and pack online orders of groceries and other consumables, bringing delight and a value proposition to consumers that doesn't exist today. Additionally, its unique design and technology is purpose-built to solve today's environmental problems in the world's food supply chain. Founded by a team with previous startup success and backed by top-tier VCs, we are committed to reducing waste, improving environmental impact, and reducing emissions with truly new technology. Our first commercial product launch went live in 2024, and we have more in queue for 2025. We can't do it alone -- we're seeking curious, capable, passionate team members motivated by the opportunity to create lasting impact on the world through their work. This role offers ample growth opportunities while working side-by-side with an impassioned, multi-disciplinary team spanning mechanical...

Antora builds and deploys thermal batteries to power always-on industrial operations with low-cost energy. Factory-built in the United States, Antora's modular thermal batteries deliver reliable heat and power, enabling industrial facilities of any size to decarbonize predictably and profitably. Antora is electrifying global industry while supporting U.S. manufacturing jobs, lowering costs for energy consumers, and enhancing the competitiveness of American industry. We are growing our company with people who put team and mission first, value connection through laughter and joy, and build with humility and openness. We are committed to continue building a diverse, passionate, and creative team dedicated to a future where every industrial facility, everywhere on earth, is powered by abundant, clean, low-cost energy. Position Summary We are seeking a self-driven and passionate Senior or Staff Mechanical Engineer to join our Product Development Team. In this role, you will own...