Mechanical Engineer (Motors and Actuators) - Hands-on

Founded in 2015, 1X is pioneering the development of cutting-edge humanoid robots tailored for domestic environments. Our goal is to revolutionize labor supply through the creation of safe, intelligent humanoids.As we transition from R&D to mass production, we are seeking a Mechanical Engineer with expertise in electric actuator design to enhance the develop…

About 1X1X is a pioneering AI and robotics firm located in Palo Alto, California, dedicated to creating a future where general-purpose robots can operate autonomously across a variety of tasks, thereby contributing to a more abundant society.Our vision is rooted in the belief that humanoid robots must coexist and learn alongside humans to truly comprehend and adapt to the world. We are committed to developing user-friendly home robots that blend effortlessly into daily life.We seek innovative, passionate individuals eager to influence the trajectory of robotics and AI. If you share our enthusiasm for this mission, we invite you to connect with us and discuss how you can be a part of our transformative journey.Role OverviewWe are in search of a Test & Validation Engineer who will take charge of characterizing, testing, and validating electric motors and robotic actuators. In this pivotal role, you will design and manage test setups, generate high-quality data, and collaborate closely with electrical, mechanical, and controls engineers to ensure optimal actuator performance, reliability, and robustness.Your contributions will be essential in transforming prototypes into validated systems by establishing repeatable tests, identifying edge cases, and offering constructive feedback to design teams. This position operates at the intersection of hardware, software, and data, and includes collaboration with other test engineers across various teams and on a robot system level.ResponsibilitiesDesign, operate, and maintain advanced test setups for motors and actuators, including dynamometers and bespoke test rigs.Develop and implement comprehensive test plans focusing on performance, efficiency, thermal characteristics, and durability.Characterize motors and actuators over varied operational envelopes.Automate testing processes and data collection whenever feasible.Analyze test results and communicate insights effectively to engineering teams.Assist in hardware bring-up, troubleshooting, and failure analysis.Work in tandem with control and firmware engineers to validate control performance.Participate in regression testing for hardware and firmware modifications.Document testing protocols, findings, and lessons learned.

About 1XAt 1X, we are at the forefront of AI and robotics innovation, located in the heart of Palo Alto, California. Our mission is to revolutionize society by creating versatile robots capable of performing a wide range of tasks autonomously. We envision a future where humanoid robots learn and grow alongside humans, enhancing everyday life with their capabilities.Our commitment to developing user-friendly home robots that integrate into daily routines drives us to seek passionate, inquisitive, and motivated individuals who are eager to contribute to the future of robotics and AI. If our vision resonates with you, we would love to connect and explore how you can become a part of our journey.Role OverviewWe are in search of a skilled Motor Control Engineer with profound knowledge of motor control and control theory. Your role will be pivotal in enhancing the performance of our robotic actuators. You will be tasked with defining, developing, and fine-tuning motor control strategies that significantly influence torque quality, efficiency, thermal behavior, and overall actuator performance.Collaboration is key in this role as you will work closely with electrical, mechanical, and firmware engineering teams to translate control concepts into effective, real-world actuator performance. Additionally, you will partner with AI and higher-level control engineers to optimize the overall performance of our robotic systems.ResponsibilitiesLead the development and ownership of motor control strategies for robotic actuators.Design, analyze, and refine control loops (current, torque, speed, and higher-level loops).Assess control performance across various operating conditions, including nonlinearities and saturation effects.Collaborate with firmware engineers to implement control algorithms in embedded systems.Work with electrical engineers regarding sensing, actuation, and hardware considerations relevant to control.Support actuator characterization and tuning on dynamometers and test benches.Analyze test data to enhance control performance, robustness, and stability.Document control architectures, foundational assumptions, and tuning methodologies.

At 1X, we are pioneering the creation of the world's most advanced humanoid hands, all developed in-house. Our team is dedicated to prototyping every day, pushing boundaries, and achieving tangible progress continuously.The Role: As an integral member of the Hands team, you will transform mechanical designs into functional hardware swiftly. You will be the go-to expert for rapid prototyping, whether it involves a new finger, joint, or testing rig.Your Responsibilities:- Produce prototypes in a matter of hours: milling, turning, printing, cutting, assembling, and soldering.- Create quick-turn CAD models using Onshape or SolidWorks for parts that are immediately integrated into robotics.- Assemble functional components: tendons, sensors, skins, gears, and more as needed.- Conduct various tests, including endurance, cycling, and drop tests.- Collaborate with the design team to iterate mechanical designs for real-world performance.- Modify testing rigs to efficiently measure force, speed, and precision.- Maintain your workspace, ensuring tools and materials are readily available.- Document processes adequately to enhance future iterations.

About ALSO.At ALSO, we are revolutionizing electric mobility. Originally part of Rivian, our dedicated team of innovators and builders is committed to designing cutting-edge, vertically integrated small electric vehicles (EVs) that address the pressing mobility challenges of today and tomorrow. Our mission is to encourage everyone to embrace the joy of riding with ALSO, replacing traditional vehicle miles with more affordable, enjoyable, and significantly more efficient alternatives.Your RoleLead the design, development, and testing of electromechanical actuators and motor-driven systems for our lightweight electric vehicle platforms.Prepare comprehensive drawing packages and manufacturing guidelines for mechanical components and assemblies.Conduct 3D modeling of various components and assemblies, including die castings, injection-molded plastics, sheet metals, and fasteners.Collaborate closely with electrical engineers to ensure seamless integration of PCBAs, wiring harnesses, and electronic systems into mechanical designs.Work alongside firmware engineers to confirm that physical systems are compatible with robust control and integrate smoothly with embedded software.Oversee validation processes with Tier 1 and Tier 2 suppliers.Develop and implement design verification plans and reports (DVP&R).Conduct and maintain design failure mode and effects analyses (DFMEAs).Prototype and iterate designs through hands-on fabrication and lab testing to ensure functionality and performance.

Pivotal stands at the forefront of the innovative electric Vertical Takeoff and Landing (eVTOL) aircraft market. We specialize in the design, development, and manufacturing of lightweight eVTOL aircraft, with our flagship product being the BlackFly—the world’s first light eVTOL to successfully execute manned flights and enter the consumer marketplace.Our aircraft are characterized by their efficiency, compactness, and simplicity, making them ideal for a diverse array of applications including consumer use, public service, and defense. With over a decade of flight experience, our unique tilt-aircraft architecture and adaptable platform are well-established. Recently, we unveiled our next-generation aircraft, the Helix, which is rapidly advancing towards general release and scalable production slated for early 2026.As mobility technology continues to be a highly sought-after investment area, Pivotal is perfectly positioned with the right strategy at the right time. If you’re ready for a thrilling journey, we invite you to be a part of our exceptional team and grow alongside us.

About ridealso.At ridealso, we are at the forefront of electric mobility, initially born from the innovative minds at Rivian. Our dedicated team of builders, dreamers, and innovators is committed to revolutionizing urban transportation by creating cutting-edge, vertically integrated small electric vehicles (EVs) that address today's mobility challenges. Our mission is to inspire a shift in transportation, replacing traditional vehicles with more affordable, enjoyable, and exponentially efficient options—10 to 50 times more efficient, to be exact.We are seeking a talented Motor Controls Engineer to join our team and play a crucial role in the development of advanced motor control systems for our electric vehicles.Your ResponsibilitiesDesign and implement sophisticated motor control algorithms, as well as support various control development initiatives.Create and uphold simulation models to validate and study control systems.Conduct testing and troubleshooting in both laboratory settings and real-world vehicle applications.Collaborate with electrical, mechanical, and systems engineers to define requirements, develop solutions, and validate performance.Identify, document, and track software bugs, utilizing log analysis to resolve issues efficiently.Your QualificationsMS or PhD in Controls, Electrical Engineering, or a related discipline, with a strong emphasis on motor controls and drives.Demonstrated expertise in controlling Permanent Magnet Synchronous Motors (PMSM) and inverters, along with hands-on experience in motor control algorithms, including Field-Oriented Control (FOC) and Direct Torque Control (DTC).Practical experience in testing motor drive systems, with familiarity in utilizing equipment like dynamometers, power supplies, and power meters.Proficiency in MATLAB/Simulink, encompassing model-based design, Stateflow, and automation script development.Knowledge of embedded controllers and programming languages such as C and Python.Acquainted with automotive communication protocols (e.g., CAN) and tools like Vector CANalyzer and CANape.Experience with version control systems (e.g., Git) and continuous integration practices.Salary: The salary for this position is competitive, ranging from $220,000 to $245,000 annually, commensurate with experience and qualifications.

About 1X1X is an innovative AI and robotics organization located in Palo Alto, California, dedicated to creating a prosperous society through the development of general-purpose robots that can operate autonomously in various tasks.We hold the belief that for humanoid robots to genuinely comprehend the world and advance in intelligence, they must coexist and learn alongside humans. This drives our focus on crafting amiable home robots that seamlessly integrate into daily life.We are in search of inquisitive, motivated, and dedicated individuals who aspire to influence the future of robotics and AI. If our mission resonates with you, we would be excited to discuss your potential contributions to our journey.Role OverviewWe are seeking a seasoned Electrical Engineer to design, develop, and scale electrical systems for cutting-edge robotic platforms. This role encompasses a broad spectrum of electrical engineering tasks, with a significant emphasis on robotic actuators and motor drive systems, covering areas such as power, sensing, embedded systems, and system architecture.In this position, you will oversee essential electrical subsystems from initial architecture and component selection to schematic design, layout review, bring-up, and production support. Collaboration with mechanical, firmware, controls, and test engineers will be critical to ensure the delivery of robust, high-performance, and manufacturable systems.This role is perfect for someone who enjoys navigating various abstraction layers, balancing hands-on execution with system-level perspectives, and contributing to ambitious technical products.ResponsibilitiesLead the electrical design of essential subsystems across robotic platforms from concept to productionDefine electrical architectures that optimize performance, reliability, safety, cost, and manufacturabilityDesign, review, and troubleshoot schematics and PCBs, encompassing power, sensing, and control electronicsBring up and validate prototypes and production-ready hardware using laboratory equipmentWork closely with firmware, controls, and mechanical engineers to facilitate high-performance systemsEnsure compliance with EMI/ESD, safety, and reliability requirements throughout the design processPromote best practices in electrical design, documentation, and reviewsCollaborate with manufacturing and testing teams to support DFM/DFA, production ramp, and field issuesParticipate in technical decision-making at both system and detailed implementation levels

About 1X1X is an innovative AI and robotics firm located in the heart of Palo Alto, California. Our mission is to create a prosperous future through the deployment of versatile robots capable of autonomously handling diverse tasks.We are committed to the belief that true intelligence and understanding of the world come from humanoid robots coexisting and learning with humans. Therefore, we are dedicated to designing friendly home robots that integrate effortlessly into daily life.We seek inquisitive, motivated, and passionate individuals who are eager to help redefine the landscape of robotics and AI. If you resonate with our mission, we would love to connect and discuss how you can contribute to our exciting journey.Role OverviewWe are on the lookout for an Embedded Firmware Engineer specializing in developing and maintaining the low-level firmware that powers actuator and motor drive electronics. Your focus will be on creating robust, maintainable, and well-structured embedded software that facilitates motor control, sensing, safety, and system integration.In this role, you will collaborate closely with motor control, electrical, and testing engineers to ensure that the firmware effectively bridges hardware capabilities with higher-level system requirements.Key ResponsibilitiesDesign, develop, and maintain embedded firmware for motor drives and actuator controllers.Implement hardware abstraction layers, drivers, and real-time systems.Assist in integrating motor control algorithms developed by control engineers.Work closely with electrical engineers during hardware bring-up and debugging processes.Develop and implement safety mechanisms, fault handling, and diagnostic features.Support testing and validation efforts through logging and debugging functionalities.Enhance firmware efficiency, structure, readability, and long-term maintainability.Document firmware architecture, interfaces, and underlying assumptions.

Founded in 2015, 1X is pioneering the development of cutting-edge humanoid robots tailored for household tasks. Our vision is to generate an abundant labor force through the creation of safe, intelligent humanoids.As a Mechanical Engineer at 1X Technologies, your primary focus will be on the design, construction, and validation of mechanical subsystems for advanced robotics and automation solutions. You will take ownership of components from conceptualization to production, with a particular emphasis on tendon mechanisms. Collaborating closely with design, testing, and manufacturing teams, you'll produce dependable and maintainable designs and documentation that align with performance, safety, and cost objectives in a dynamic R&D-to-production environment.Key ResponsibilitiesDesign and develop mechanical components and assemblies for robotic and automation systems.Devise solutions for rope/tendon-driven systems, including routing, anchoring, and tensioning.Utilize 3D CAD software for model creation, drawings, and GD&T.Conduct hand calculations and basic FEA to assess strength, stiffness, fatigue, and vibration.Create prototypes, perform bench and system-level testing, and iterate designs based on empirical data.Lead DFM/DFA reviews in collaboration with suppliers and internal manufacturing teams.Work with cross-functional teams to diagnose issues and enhance reliability.

About 1X1X is a pioneering AI and robotics company located in Palo Alto, California. Our mission is to create an abundant society through the development of general-purpose robots capable of autonomously performing a wide array of tasks.We believe that true understanding and intelligence growth in humanoid robots can only be achieved by allowing them to coexist and learn alongside humans. Therefore, our focus is on designing friendly home robots that seamlessly integrate into daily life.We seek curious, driven, and passionate individuals eager to contribute to shaping the future of robotics and AI. If our mission resonates with you, we would love to hear from you and explore how you can be part of our exciting journey.Role OverviewAs a Robotics Test Engineer at 1X, you will engage in a multifaceted, hands-on role. This position is not limited to isolated testing; you will operate at the intersection of hardware, firmware, and software. Your primary objective will be to ensure that our robots are robust, reliable, and prepared for real-world applications by supporting the entire product lifecycle—from early research and development characterization through to final production validation. You’ll be expected to contribute across a wide range of technical areas and engage in cross-disciplinary debugging.

About 1XAt 1X, we are pioneering the development of humanoid robots designed to collaborate with humans, effectively addressing labor shortages and fostering innovation.As a Mechanical Engineer, you will play a crucial role in the design, development, and scaling of the head subsystem for our humanoid robot, NEO. This position encompasses the development and integration of structural, mechanical, and electromechanical elements that empower the robot with expressive, perceptive, and functional capabilities.Your responsibilities will include hands-on design, prototyping, and system integration while collaborating closely with electrical, software, manufacturing, and industrial design teams. You will oversee mechanical components and assemblies throughout their lifecycle, from initial concept and prototyping to validation and mass production. Your contributions will significantly impact the reliability, safety, aesthetics, and scalability of humanoid robots deployed globally.The right candidate will be an innovative problem-solver with robust mechanical design skills who excels in a dynamic product development environment.

Join Pivotal as an R&D Mechanical Technician, where you will play a crucial role in the research and development of innovative mechanical systems. In this dynamic position, you'll collaborate with engineers and scientists to design, test, and refine prototypes, ensuring they meet performance and safety standards. You'll be involved in hands-on work, utilizing advanced tools and methodologies to bring concepts to life.

About Rhoda AI Rhoda AI is building the next generation of humanoid robots, combining high-performance, software-defined hardware with advanced foundational and video world models. Our robots are designed to adapt to real-world environments and handle new, untrained scenarios. The team includes researchers from Stanford, Berkeley, and Harvard, working together to create a new computing platform for physical work. With over $400 million raised, Rhoda AI is investing heavily in research, hardware innovation, and scaling up manufacturing. Role Overview: Junior Mechanical Engineer This is a hands-on role based in Palo Alto. The Junior Mechanical Engineer will help design and improve our Generation 0 robot platform. The work focuses on integrating third-party components, such as rails, cables, and fixtures, while keeping safety, reliability, and streamlined system design in mind. The role also involves designing and iterating custom end effectors, fingers, and mounts for a range of tasks. As part of a small, focused team, this engineer will have significant ownership of hardware projects from the ground up. What You Will Do Develop and refine mechanical components and assemblies for robotic systems, including cable management, rail systems, fixtures, and integration hardware. Design custom end effectors, fingers, and mounting hardware for specific tasks, managing the prototyping process from concept through testing. Integrate third-party components into the overall system, ensuring compatibility and function with existing hardware. Identify and implement design improvements with an emphasis on safety, reliability, and manufacturability. Create and maintain CAD models, drawings, and Bills of Materials (BOMs) to support design reviews and manufacturing. Participate in quality assurance and hardware testing: set up tests, collect data, and document results. Assist with root cause analysis for hardware issues and suggest design changes. Collaborate with senior mechanical, electrical, and software engineers to ensure designs meet full-system requirements.

Key ResponsibilitiesIn charge of designing and developing mechanical components and assemblies for data collection hardware and robotic devices.Rapidly prototype, test, and refine designs using 3D printing, CNC machining, and manual fabrication techniques.Engage in Design for Manufacturing (DFM) and Design for Assembly (DFA) to transition designs from low-volume prototypes to high-volume production.Source components and collaborate closely with machine shops and contract manufacturers to ensure timely and precise production of parts.Conduct basic analyses including tolerance, structural, and thermal assessments to support design validation.Create specifications and accelerated test plans to ensure product longevity and reliability.Support documentation efforts for design reviews and testing phases.Work collaboratively with cross-functional teams (electrical, software, industrial design) to consolidate design requirements and integrate mechanical systems effectively.

About UsAt vinci4d, we are pioneering the integration of advanced Physics AI into hardware design. Our innovative product empowers engineers to explore, analyze, and optimize hardware systems, seamlessly blending the power of AI with the intricacies of engineering design workflows.Role OverviewJoin our dynamic Forward Deployment Sales team, where you will be instrumental in advancing the adoption of Vinci’s software among top engineering teams. Collaborate closely with potential customers to showcase Vinci’s capabilities and illustrate how our platform can enhance product design, thermal performance, time to market, and reliability.In this role, you will construct and simulate thermo-mechanical models based on customer specifications, validating the efficacy of Vinci’s software and demonstrating its application in real-world engineering scenarios. Your expertise in mechanical and thermo-mechanical analysis will be crucial in assessing warpage, stress behavior, and reliability in electronic packages, chips, and wafer-scale devices.Utilizing a robust foundation in continuum mechanics, you will analyze complex physical phenomena, encompassing linear and nonlinear behavior, geometric and material nonlinearities, and contact interactions, thereby achieving precise modeling of advanced semiconductor and electronic systems.You will engage directly with customer engineering teams to comprehend their needs, address technical inquiries, and effectively communicate the capabilities of Vinci’s products. Your insights from these interactions will also inform product development, identifying critical needs and opportunities for enhancement.This is a hybrid position, requiring you to work 3 days a week at our Palo Alto office to facilitate close collaboration with Sales, Product, and Engineering teams. The role entails moderate travel, primarily within the United States, with some occasional international travel for key customers and events in Asia and Europe.

About ridealso.At ridealso, we are pioneers in electric mobility, initially birthed from the innovative spirit of Rivian. Our dedicated team comprises builders, dreamers, and innovators, all committed to developing cutting-edge, vertically integrated small electric vehicles (EVs) that address the pressing mobility challenges of both today and tomorrow. Our mission is to encourage everyone to choose ridealso, helping to replace conventional car, truck, and SUV journeys with more affordable, enjoyable, and significantly more efficient alternatives—offering efficiency rates that are 10 to 50 times greater.We are currently seeking an Electronics Mechanical Integration Engineer to play a pivotal role in designing electromechanical actuators that will facilitate essential functions of our next-generation light electric vehicles.

About Pivotal Pivotal designs, develops, and manufactures lightweight electric Vertical Takeoff and Landing (eVTOL) aircraft. Known for the BlackFly, the first light eVTOL certified for manned missions and now available to consumers, Pivotal has built a reputation for pushing boundaries in this sector. Our aircraft are compact, efficient, and straightforward to operate. They serve a range of uses, from personal transportation to public service and defense. With a tilt-aircraft design and flexible platform, Pivotal has led the eVTOL field for over ten years. The Helix, our next-generation aircraft, is moving quickly toward mass production with a general release planned for early 2026. Role Overview: Senior Electro-Mechanical Engineer The Aeromechanical team is seeking a Senior Electro-Mechanical Engineer to join our Palo Alto headquarters. This position focuses on the design and development of vehicle harnesses and avionics enclosures. The engineer in this role will act as a subject matter expert and play a key part in the success of our advanced eVTOL aircraft. What You Will Do Lead the design and development of vehicle harnesses for eVTOL aircraft Develop avionics enclosures to meet demanding performance and safety standards Collaborate with cross-functional teams to ensure seamless integration of electrical and mechanical systems Support the transition from prototype to mass production as new aircraft models approach release About the Team Pivotal’s Aeromechanical group brings together experts who are passionate about advancing mobility. The team values initiative, technical depth, and a commitment to building reliable, innovative aircraft. Location This position is based in Palo Alto, CA.

About Pivotal Pivotal designs, develops, and manufactures lightweight electric Vertical Takeoff and Landing (eVTOL) aircraft. The company is known for the BlackFly, a light eVTOL aircraft that has completed manned missions and entered the consumer market. Pivotal’s aircraft are efficient, compact, and straightforward to operate, serving uses in consumer, public service, and defense sectors. With a tilt-aircraft architecture and a platform built for scalability, Pivotal’s designs have been flying for over ten years. The latest model, Helix, is moving toward general release and scalable production by early 2026. Role Overview: Senior Mechanical Engineer The Aeromechanical team seeks a Senior Mechanical Engineer to lead the development of aircraft subsystems and mechanisms. This role involves designing and executing tests for multiple subsystems on Pivotal’s aircraft. Location Palo Alto, CA

Teleo is a pioneering robotics startup that is transforming the construction industry by converting heavy equipment such as loaders, dozers, excavators, and trucks into autonomous robots. Our innovative technology enables a single operator to control multiple machines at once, significantly enhancing efficiency, operator safety, and comfort.Founded by Vinay Shet and Rom Clément, seasoned technology leaders behind Lyft’s Self-Driving Car and Google Street View, Teleo is supported by prestigious investors including YCombinator, Up Partners, and F-Prime Capital, along with several industry experts. Our product is already making waves across multiple continents and generating revenue.As we gear up for rapid expansion, this internship presents an exceptional opportunity to join a team that is engineering cutting-edge 100,000-pound autonomous robots. You will play a crucial role in developing intricate systems at the intersection of hardware, software, and AI, contributing to an impactful startup journey.