278 mechanical engineer jobs found in San Francisco, CA

Note: This role is currently part of our general interest pool. We are not actively recruiting for it at this time, but we are reviewing submissions. If a strong fit emerges and the role is prioritized, a member of our team will reach out. Thank you for your interest in Multiply Labs. Join the Future of Robotic Biomanufacturing! Multiply Labs is a robotics company on a mission to solve a significant bottleneck in modern medicine: the manufacturing of life-saving advanced biologics, from gene and cell therapies to antibodies and more. Today, these therapies are produced through manual, labor-intensive processes. Costs are extremely high-often $500K-$2M per patient-limiting access to only a small fraction of those who need them. As product complexity increases and the cost of failure and scientific labor rises, the industry is shifting toward automation. Robotics and AI are making automated biologics manufacturing feasible, reliable, and economically scalable. We...

About Exploration Technology Group We design, build, and deliver practical, reliable solutions to empower the next generation of warfighters and explorers to meet the demands of their missions. Exploration Technology Group is a technology hardware startup founded in 2024 by a team of techno-optimists, motivated by the challenge of solving tough engineering problems, committed to creating sustainable change, and driven by a curiosity to explore and understand both our world and the universe. For decades, the tools and technologies developed for spaceflight, defense, and exploration have not only helped us expand our understanding of the universe but have also supported human advancement here on Earth. We carry this legacy forward, knowing that innovation in these areas can lead to solutions that help people everywhere. At ETG, we are actively developing cutting-edge exploration and defense missions. If you join the team, you will have the opportunity to work on hardware and...

Company Background: Specter is creating a software-defined "control plane" for the physical world. We are starting with protecting American businesses by granting them ubiquitous perception over their physical assets. To do so, we are creating a connected hardware-software ecosystem on top of multi-modal wireless mesh sensing technology. This allows us to drive down the cost and time of deploying sensors by 10x. Our platform will ultimately become the perception engine for a company's physical footprint, enabling real-time perimeter visibility and autonomous operations management. Our co-founders Xerxes and Philip are passionate about empowering our partners in the fast approaching world of physical AI and robotics. We are a small, fast growing team who hail from Anduril, Tesla, Uber, and the U.S. Special Forces. Role + Responsibilities: Specter is hiring a mechanical engineer to design and develop robust sensor systems, optimize product manufacturing, and assist with...

Our Goals At Farcast, we aim to improve global prosperity. We achieve this goal by building innovative products that enable access to information. Satellite internet is one of the most important ways to achieve this goal and to provide global connectivity coverage. However, the capacity of satellite internet services is limited by the quality and affordability of the devices consumers use to connect to satellites. These devices are called "user terminals". Our mission is to bring unprecedented innovation to the user terminal industry. We believe our innovation will be key in making satellite internet accessible to everyone. Please join us if your goals align with ours! We are looking for a Mechanical Engineer to make an immediate impact on the design of a next-generation phased array antenna for satellite communications. As a Mechanical Engineer at Farcast, you will be responsible for driving forward the design and evaluation of mechanical systems in our product. In this role,...

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...

About Avive: Avive Solutions, Inc. (https://avive.life) is a growth stage Automated External Defibrillator (AED) company with a connected response system that is rapidly gaining market share. We are a mission driven team that is quite literally saving lives. Sudden Cardiac Arrest (SCA) is a leading cause of death in the United States, and we are on a mission to change that! We are a dynamic organization that builds elegant, creative solutions to solve complex problems. Ultimately, our mission is for all cardiac arrest victims to have rapid access to life-saving defibrillation. Avive is taking a fresh approach to addressing this decades-old problem by innovating AED technology, coupled with a first-of-its-kind software platform solution to enable a quicker and more streamlined response to SCA emergencies. We believe that this unique combination of deploying advanced - yet still accessible - hardware, and software, has the potential to revolutionize out-of-hospital cardiac arrest...

About the Role We are seeking a skilled and detail-oriented Mechanical Engineer to join our team. In this role, you will be responsible for designing, developing, testing, and improving mechanical systems and components. You'll collaborate closely with cross-functional teams to deliver high-quality, reliable, and cost-effective engineering solutions. Key Responsibilities Design, develop, and analyze mechanical systems, components, and products Create and review technical drawings, specifications, and documentation Perform simulations, calculations, and stress/thermal analyses to validate designs Build, test, and evaluate prototypes; troubleshoot and resolve design issues Collaborate with manufacturing, quality, and project teams to ensure designs are producible and compliant Ensure designs meet applicable codes, standards, and safety requirements Support continuous improvement initiatives for performance, reliability, and cost reduction Participate in design...

About the Role We are seeking a skilled and detail-oriented Mechanical Engineer to join our team. In this role, you will be responsible for designing, developing, testing, and improving mechanical systems and components. You'll collaborate closely with cross-functional teams to deliver high-quality, reliable, and cost-effective engineering solutions. Key Responsibilities Design, develop, and analyze mechanical systems, components, and products Create and review technical drawings, specifications, and documentation Perform simulations, calculations, and stress/thermal analyses to validate designs Build, test, and evaluate prototypes; troubleshoot and resolve design issues Collaborate with manufacturing, quality, and project teams to ensure designs are producible and compliant Ensure designs meet applicable codes, standards, and safety requirements Support continuous improvement initiatives for performance, reliability, and cost reduction Participate in design...

Xona is the navigational intelligence company bringing real-time, centimeter-level certainty to any device, anywhere on Earth. With Pulsar - the world's most advanced PNT satellite infrastructure in Low Earth Orbit - Xona will offer a future-proof, backwards-compatible global positioning system optimized for absolute precision, superior power, and robust protection. As a Mechanical Engineer on the Payload Hardware team Xona, you'll take ownership of mechanical hardware for RF systems from design through manufacturing, assembly, integration and test. From spacecraft payload electronics to antennas to MGSE (mechanical ground support equipment), your work will ensure the end-to-end RF broadcast system delivers Xona's high-accuracy and high-precision PNT service. This is a high-ownership, fast-moving role with significant responsibility for delivering hardware on schedule, writing clear documentation, and supporting hands-on test operations. Candidates must be comfortable working in...

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...

Company Overview Imagine a piloted air taxi that takes off vertically, then quietly carries you and your fellow passengers over the congested city streets below, enabling you to spend more time with the people and places that matter most. At Joby, we've been working to make that dream a reality since 2009 and we're now in the final stages of certifying our aircraft with the FAA. With plans to launch our aircraft in the US and Dubai, we're now scaling manufacturing and preparing for the launch of our commercial service. Overview Joby Aviation is seeking a passionate Mechanical Engineer to join our Powertrain and Electronics Battery Engineering team in San Carlos, CA to support development of the Joby S4 Electric Vertical Take-Off and Landing vehicle. This individual will be responsible for designing hardware for various systems that power and control the aircraft. This position requires a relentless drive for engineering excellence and the ability to balance complex competing...

Since its founding in 2015, 1X has been at the forefront of developing advanced humanoid robots designed for household use. Our mission is to create an abundant supply of labor via safe, intelligent humanoids. As a Mechanical Engineers at 1X Technologies you will focus on designing, building, and validating mechanical subsystems for advanced robotics and automation products. You will own components from concept through production, with emphasis on tendon mechanisms. Partnering closely with design, testing, and manufacturing teams, you'll deliver reliable, serviceable designs and documentation that meet performance, safety, and cost targets in a fast-paced R&D-to-production environment. Responsibilities Design and develop mechanical components and assemblies for robotic/automation platforms. Create rope/tendon-driven, routing, anchoring, and tensioning solutions. Comfortable with 3D CAD models, drawings, and GD&T Perform hand calculations and basic FEA to validate...

Since its founding in 2015, 1X has been at the forefront of developing advanced humanoid robots designed for household use. Our mission is to create an abundant supply of labor via safe, intelligent humanoids. As we scale from research and development to full-scale manufacturing, we are looking for a Mechanical Engineer with a strong background in electric actuator design to support the development of NEO's hands. In this role, you will own key mechanical subsystems of high-performance electric drive units, and be responsible for the design, optimization, selection, and integration of components such as rotors and stators, bearings, transmissions, and sensors. Responsibilities Design, prototype, and validate robotics (electro)mechanical designs for electric actuators Integrate electronics, sensors and cabling into robotic joints with large range of motion and tight packaging constraints Optimize parts and assemblies for weight, cost, and performance Create high-quality...

Company Overview Imagine a piloted air taxi that takes off vertically, then quietly carries you and your fellow passengers over the congested city streets below, enabling you to spend more time with the people and places that matter most. Since 2009, our team has worked steadily to make this dream a reality. We've designed and tested many generations of prototype aircraft capable of serving in a network of electric air taxis. We're looking for talented, committed individuals to join our team as we push onward toward certifying the Joby aircraft, scaling our manufacturing, and launching our initial commercial service. Overview This role lives within the System Electronics Mechanical team. This team is responsible for designing the pilot inceptors, air data probe, and numerous computer assemblies across the S4, as well as mechanically designing next-generation perception suites for enabling autonomy for future aircraft. We're seeking a passionate, hands-on, and fundamentally...

As a Mechanical Engineer at Pilgrim , you will be a hands-on member of our engineering team, driving the design, development, and deployment of advanced hardware systems. This is not a theoretical or routine R&D role-you'll own initiatives end-to-end, transforming mission needs into prototypes, refining them through field demos and rapid iterations, and engaging directly with operators and decision-makers to ensure breakthroughs reach warfighters where they matter most. This role is ideal for an engineer eager to learn fast, take ownership early, and grow through building systems that operate under real-world pressure. Responsibilities Design and develop compact, ruggedized subsystems, housings, and rigs in CAD , ensuring reliability under shock, vibration, and environmental conditions. Prototype components using CNC machining (Fusion 360 CAM with Tormach PathPilot), 3D printing (FDM/SLA), vacuum/pressure forming, laser cutting, and general metalworking. Develop and...

Pivotal is the leader in the emerging market of electric Vertical Takeoff and Landing (eVTOL) aircraft. We design, develop, and manufacture light eVTOL aircraft and are renowned for the BlackFly aircraft the world's first light eVTOL to fly manned missions and enter the consumer market. Efficient, compact, and simple, Pivotal aircraft are designed for a wide range of consumer, public service, and defense applications. Our distinctive tilt-aircraft architecture and scalable platform have been flying for over 10 years. Last year we announced our next-generation aircraft, the Helix, which is rapidly progressing toward general release and scalable production in early 2026. Mobility is one of the most highly-valued areas of modern technology investments. This is the right company, in the right space, the right strategy, at the right time. If you are ready for adventure, we invite you to join our amazing team and grow with us. The Aeromechanical team at Pivotal is seeking a highly...

Pivotal is the leader in the emerging market of electric Vertical Takeoff and Landing (eVTOL) aircraft. We design, develop, and manufacture light eVTOL aircraft and are renowned for the BlackFly aircraft the world's first light eVTOL to fly manned missions and enter the consumer market. Efficient, compact, and simple, Pivotal aircraft are designed for a wide range of consumer, public service, and defense applications. Our distinctive tilt-aircraft architecture and scalable platform have been flying for over 10 years. Last year we announced our next-generation aircraft, the Helix, which is rapidly progressing toward general release and scalable production in early 2026. Mobility is one of the most highly-valued areas of modern technology investments. This is the right company, in the right space, the right strategy, at the right time. If you are ready for adventure, we invite you to join our amazing team and grow with us. The Aeromechanical team at Pivotal is seeking a highly...

Pivotal is the leader in the emerging market of electric Vertical Takeoff and Landing (eVTOL) aircraft. We design, develop, and manufacture light eVTOL aircraft and are renowned for the BlackFly aircraft the world's first light eVTOL to fly manned missions and enter the consumer market. Efficient, compact, and simple, Pivotal aircraft are designed for a wide range of consumer, public service, and defense applications. Our distinctive tilt-aircraft architecture and scalable platform have been flying for over 10 years. Last year we announced our next-generation aircraft, the Helix, which is rapidly progressing toward general release and scalable production in early 2026. Mobility is one of the most highly-valued areas of modern technology investments. This is the right company, in the right space, the right strategy, at the right time. If you are ready for adventure, we invite you to join our amazing team and grow with us. The Aeromechanical team at Pivotal is seeking a highly...

About 1X We're an AI and robotics company based in Palo Alto, California, on a mission to build a truly abundant society through general-purpose robots capable of performing any kind of work autonomously. We believe that to truly understand the world and grow in intelligence, humanoid robots must live and learn alongside us. That's why we're focused on developing friendly home robots designed to integrate seamlessly into everyday life. We're looking for curious, driven, and passionate people who want to help shape the future of robotics and AI. If this mission excites you, we'd be thrilled to hear from you and explore how you might contribute to our journey. Role Overview We are looking for a Mechanical Engineer to support the design, integration, and iteration of robotic actuators. In this role, you will work closely with electrical, control, and test engineers to develop robust mechanical designs that can be prototyped, tested, and eventually manufactured. You will...

About 1X We build humanoid robots that work alongside people to solve labor shortages and create abundance. Role Overview We are seeking a Mechanical Engineer to design, develop, and scale the head sub-system for our humanoid robot, NEO. This role involves developing and integrating the structural, mechanical, and electromechanical components that enable the robot's expressive, perceptive, and functional capabilities. You will be responsible for hands-on design, prototyping, and system integration while working closely with electrical, software, manufacturing and industrial design teams. You will own mechanical components and assemblies throughout their lifecycle, from initial concept and prototyping to validation and mass production. Your work will directly influence the reliability, safety, aesthetics, and scalability of humanoid robots deployed worldwide. The ideal candidate is a creative problem-solver with strong mechanical design skills who thrives in a fast-paced...