Mechanical Design Engineer

Join our innovative team at Physical Intelligence as a Mechanical Design Engineer. In this role, you will leverage your expertise in mechanical design to develop cutting-edge solutions that enhance our product offerings. Collaborating with cross-functional teams, you will be responsible for the design, analysis, and testing of mechanical systems, ensuring they meet our high standards of quality and performance.

At Mechanize, we specialize in developing reinforcement learning (RL) environments that empower AI models to execute real-world tasks efficiently. Our mission is to drive the complete automation of the economy, providing innovative solutions to leading AI laboratories. Discover more about our work at mechanize.work.As a Senior Software Engineer at Mechanize, you will contribute to the creation of RL environments that are pivotal in the field of AI model training. Ideal candidates will have 2-5 years of software engineering experience with proficiency in Python programming. Previous experience in machine learning or AI is not a prerequisite.For insights on our interview process, visit: Interview Process at Mechanize.

At Mechanize, we are pioneering the development of Reinforcement Learning (RL) environments tailored to train AI models for real-world applications. Our ambition is to facilitate the complete automation of the economy, partnering with leading AI laboratories. Discover more at mechanize.work.As a Software Engineering Intern at Mechanize, you will play a pivotal role in assisting our team to develop these groundbreaking RL environments. If you have a solid command of Python programming and possess a keen intellect, we would love to hear from you.We are currently seeking interns for Winter 2026, Spring 2026, and Summer 2026.No prior experience in machine learning or AI is necessary.Curious about our interview process? Learn more here: https://www.mechanize.work/how-our-interview-process-works/

Join mechanize as a Senior Software Engineer, where you'll contribute to innovative software solutions that shape the future of technology. In this role, you will lead projects, mentor junior developers, and collaborate with cross-functional teams to deliver high-quality software products. Your expertise will drive architectural decisions and enhance our development processes.

Meter seeks a Product Design Mechanical Engineer based in San Francisco. This position centers on designing and refining mechanical systems that shape the company’s product offerings. Role overview The engineer will work on both new and existing product designs, aiming to deliver mechanical solutions that address customer needs. Collaboration with other teams is a key part of the job, ensuring that mechanical components fit well within broader product goals. What you will do Create and improve mechanical systems for Meter’s products Work closely with cross-functional teams to align design efforts Focus on solutions that enhance customer experience and product performance Location This role is based in San Francisco.

Join Kargo as a Mechanical Design Engineer and contribute to innovative projects that shape the future of technology. We are looking for a talented engineer with a passion for mechanics and design, who thrives in a collaborative environment. In this role, you will be responsible for developing high-quality mechanical designs while ensuring adherence to industry standards and best practices.

ABOUT PAX At PAX, we are dedicated to transforming lives through outstanding consumer experiences. Our commitment to innovation, scientifically-backed quality, and award-winning design has established us as a leader in the industry for nearly two decades. Millions trust our high-performance products, which are crafted for precision, purity, and consistency. Our culture revolves around prioritizing people, making impactful contributions together, and enjoying the journey. We believe that exceptional products, a fulfilling employee experience, and robust operational rhythms are interconnected. PAX has garnered accolades for its brand, culture, and products from esteemed publications, including The New York Times’ Wirecutter, TIME, Fast Company, GQ, Gear Patrol, mg Magazine, and High Times. Furthermore, we are proud to be certified Plastic Negative across all product lines by rePurpose Global, ensuring that we remove twice as much plastic from nature as we use in our products. ROLE OVERVIEW As a Senior Mechanical Engineer reporting to the Director of Mechanical Engineering, you will spearhead the design of innovative, cost-effective, and reliable products that meet delivery schedules. You will also troubleshoot and enhance existing products while collaborating closely with engineering colleagues to devise optimal solutions for complex design, structural, thermal, and battery life challenges. Proficiency in sketching and prototyping new concepts, along with familiarity with engineering best practices, will be essential. You may also guide and oversee the work of junior team members. Our products are celebrated for their exquisite design, high quality, and reliability. Our Mechanical Engineers play a vital role in shaping the architecture and detailed design of all our products, working in tandem with the Hardware team to realize the product vision. This role is pivotal in leading the development of future innovations. Key Responsibilities: Collaborate with cross-functional teams to develop high-quality products that exceed customer expectations. Partner with Industrial Design to evaluate product features for manufacturability and recommend efficient processes and equipment. Lead the development of mechanical product architectures, assemblies/modules, parts, and accessories. Design detailed mechanical components, including complex assemblies and sub-systems. Conduct feasibility studies to ensure designs meet mechanical robustness, scheduling, and cost targets. Oversee both internal and external prototyping efforts. Facilitate design reviews and promote engineering best practices.

Join Redwood Materials, a pioneer in energy storage solutions, as a Mechanical Design Engineer. In this role, you will leverage your engineering expertise to design, develop, and optimize innovative mechanical systems that enhance energy storage technologies. Collaborate with a dynamic team of professionals in a fast-paced environment to drive the future of sustainable energy.

At Mechanize, we are on a mission to revolutionize the economy through the automation of real-world tasks. We specialize in building reinforcement learning (RL) environments designed to enhance AI models, enabling them to tackle complex challenges. Our innovative solutions are trusted by leading AI laboratories. Discover more about our work at mechanize.work.As a Junior Software Engineer at Mechanize, you will play a key role in developing RL environments that cater to the needs of the top AI labs. This position is ideal for individuals who are nearing graduation or have 0-2 years of experience in software engineering, and possess proficiency in Python programming.Prior experience in machine learning or AI is not a requirement.Curious about our interview process? Learn more about it here.

Be Part of the Sleep Fitness RevolutionAt Eight Sleep, our mission is to unlock human potential through superior sleep quality. As the pioneering sleep fitness company, we are transforming the definition of wellness and developing cutting-edge hardware, software, and AI technology to facilitate this transformation. Our products empower individuals to achieve peak performance across mental, physical, and emotional spectrums by converting every night into a personalized, data-driven recovery journey. Trusted by elite athletes and health enthusiasts in over 30 nations, we have been recognized as one of Fast Company's Most Innovative Companies in 2019, 2022, and 2023, and have earned spots on TIME's “Best Inventions of the Year” list twice. Our operational style mirrors that of high-performance teams: swift, concentrated, and dedicated to making a significant impact. We don’t merely deliver; we continuously enhance and meticulously perfect the details that enable our members to sleep soundly and wake rejuvenated.Every position at Eight Sleep is an opportunity to innovate, work alongside exceptional talent, and contribute to a future where sleep is a powerful ally in improving life quality. If you are eager to break free from the conventional and are driven to create at the forefront of what’s achievable, this is your moment. Join us in leading the movement that is redefining global sleep patterns and enhancing our capacities upon waking.Uncompromising StandardsWe operate with a sense of urgency because our mission requires it. At Eight Sleep, we embody the same mindset as the world's elite performers: focused, tenacious, and perpetually striving to excel in our craft. Adopt the mentality of Kobe Bryant, applied to innovative ideas, next-gen technology, and impeccable execution. This is not a standard 9-to-5 job. Our team is highly dedicated, often working 60+ hours a week—not due to obligation, but because we are passionate about our mission. We aim to build rapidly, challenge boundaries, and deliver without compromise. If you flourish under pressure and seek to engage in the most impactful work of your career, you will find a home here. If you prefer an easier path—this isn’t the place for you.The PositionWe are seeking a seasoned Senior Mechanical Engineer to take products from concept to production. You will join a small, mission-focused team and have substantial influence over decision-making. As we are rapidly expanding, there will be numerous opportunities for professional advancement.This role requires full-time presence in our San Francisco office, 5 days a week.

Become a Catalyst for Sleep InnovationAt Eight Sleep, we are on a transformative journey to unlock human potential through revolutionary sleep solutions. As pioneers in the sleep fitness industry, we are redefining wellness by combining cutting-edge hardware, software, and artificial intelligence. Our mission is to empower individuals to achieve peak mental, physical, and emotional performance by turning sleep into a personalized, data-driven recovery experience. Trusted by elite athletes and health enthusiasts in over 30 countries, our innovations have been recognized by Fast Company as one of the Most Innovative Companies in 2019, 2022, and 2023, and by TIME as one of the “Best Inventions of the Year” twice. We operate as a high-performance team: fast, focused, and driven by meaningful impact. We don’t just deliver products; we continuously evolve, refine, and obsess over the details that enhance our members' sleep quality and overall vitality.Every position at Eight Sleep offers the opportunity to innovate at the forefront of technology, collaborate with top-tier talent, and contribute to a future where sleep is not merely a passive activity, but a powerful tool for improved living. If you're ready to step beyond the ordinary and are passionate about pushing the boundaries of what's possible, this is your chance to lead the change in how the world sleeps and thrives upon waking.Commitment to ExcellenceAt Eight Sleep, we embrace a culture of intensity because our mission demands it. We embody the mentality of the world’s top performers—relentless, focused, and striving to be the best in our field. This is not a typical 9-to-5 role; our team is dedicated, often contributing 60+ hours a week—not out of obligation, but out of passion. We are here to innovate swiftly, challenge limits, and deliver excellence without compromise. If you thrive in high-pressure environments and aspire to do the most impactful work of your career, you will feel right at home here. If you prefer an easier path—this isn’t the place for you. Your ResponsibilitiesWe seek an exceptional leader for our mechanical and product design engineering team based in San Francisco. In this role, you will spearhead the development of intricate electromechanical products, including our flagship offering, the Pod, along with an ambitious pipeline of innovative products yet to be realized. The ideal candidate will possess extensive experience in bringing successful products from concept to market. This position reports directly to the Chief Product Officer. This position requires full-time attendance at our San Francisco office, five days a week.

About UsSamsara (NYSE: IOT) is at the forefront of the Connected Operations™ Cloud, a groundbreaking platform that empowers organizations reliant on physical operations to leverage Internet of Things (IoT) data for actionable insights and operational improvements. We are committed to enhancing the safety, efficiency, and sustainability of the vital physical operations that drive the global economy. Covering over 40% of global GDP, our focus spans critical sectors such as agriculture, construction, field services, transportation, and manufacturing. We are eager to facilitate the digital transformation of these industries on a large scale.Joining Samsara means you will play a pivotal role in shaping the future of physical operations, contributing to a diverse range of product solutions including Video-Based Safety, Vehicle Telematics, Apps and Driver Workflows, and Equipment Monitoring. As part of a recently public company, you will enjoy the freedom and support necessary to make a significant impact as we lay the groundwork for long-term success.Position Overview:We are seeking a Senior Product Design Engineer II to join our dynamic team. In this role, you will oversee the industrial design, architecture, and engineering of one or more Samsara products from their initial concept to mass production. Your design process will be driven by data-derived insights from our telemetry data cloud, combined with a profound, hands-on understanding of our customers, gained through direct engagement at their sites and with their equipment.Throughout the product development lifecycle, you will collaborate closely with Product Management, Electrical Engineering, Firmware, Engineering Project Management, and Hardware leadership to make informed decisions that balance functionality, cost, installation, usability, and aesthetics. Samsara’s Hardware Product Design teams work hand-in-hand with Operations and Supply Chain teams, external laboratories, JDM design resources, and an expanding global supply network. Together, you will deliver outstanding products on schedule and within budget, ensuring that Samsara continues to lead the industry in innovative product design.This position is available to candidates residing in the US. It is a hybrid role requiring 3 days per week in our San Francisco office and 2 days of remote work.

About Poseidon Aerospace Poseidon Aerospace designs and operates unmanned aircraft for commercial logistics and defense. The company’s main platforms, the Heron seaplane and the Egret STOL aircraft, are built to transport payloads up to two tons across distances greater than one thousand nautical miles. Headquarters are in San Francisco, with additional offices in Washington, DC and Maine. Role Overview: Mechanical Engineer – Recent Graduate This role focuses on designing structural and mechanical systems that improve the performance and manufacturability of composite aircraft. Mechanical Engineers at Poseidon Aerospace work on CAD design, develop mechanisms, and conduct finite element analysis to create lightweight, reliable structures for both aerial and marine use. What You Will Do Design mechanical and structural components for unmanned aircraft using CAD tools Develop mechanisms that support aircraft functionality and manufacturability Apply finite element analysis to optimize structures for strength and weight Collaborate closely with manufacturing engineers, aerodynamics experts, and test teams Participate in both analytical work and hands-on development of flight hardware Location This position is based in San Francisco.

Embrace the Sleep Fitness RevolutionAt Eight Sleep, we are dedicated to unlocking human potential through optimal sleep solutions. As the premier sleep fitness company globally, we are reshaping the understanding of restorative rest, developing cutting-edge hardware, software, and AI technologies to revolutionize sleep. Our innovative products enhance mental, physical, and emotional performance by converting each night into a customized, data-informed recovery experience. Trusted by elite athletes and health-conscious individuals across more than 30 countries, Eight Sleep has been honored as one of Fast Company's Most Innovative Companies in 2019, 2022, and 2023, as well as earning recognition in TIME's 'Best Inventions of the Year' twice. We function as a high-performance team: driven, agile, and focused on impact. Our commitment goes beyond simply delivering products; we continuously iterate, refine, and obsess over the nuances that enable our users to sleep better and wake up revitalized.Every position at Eight Sleep offers an opportunity to contribute to groundbreaking technology, collaborate with exceptional talent, and help shape a future where sleep becomes an active tool for improving life quality. If you are seeking to break free from the mundane and are eager to innovate at the forefront of possibility, this is your moment. Join us and lead the change that is redefining sleep and expanding human capabilities upon waking.Unwavering Standards. Relentless Pursuit.Our mission drives us to operate with intensity. At Eight Sleep, we embody the mentality of the world's top achievers: focused, tenacious, and constantly striving to be in the elite 1% of our field. Think of the Mamba Mentality, applied to bold concepts, next-generation technology, and impeccable execution. This is not a typical 9-to-5. Our team is deeply engaged, often committing over 60 hours a week—not out of obligation, but because of our investment in our mission. We are here to innovate rapidly, challenge boundaries, and deliver uncompromising results. If you excel under pressure and wish to undertake the most significant work of your career, you will thrive here. If you're seeking something less demanding—this is not the place for you. Your RoleWe are in search of a seasoned Senior Mechanical Engineer to guide product development from initial concept to production. You will be a key member of a small, mission-centric team with significant influence over decision-making. As we grow rapidly, numerous opportunities for career advancement await.This position is based in our San Francisco office 5 days a week.

Welcome to Planet. We harness the power of space to enhance life on Earth.At Planet, we design, build, and operate the world’s largest constellation of imaging satellites, delivering an unparalleled dataset through our innovative cloud-based platform. This initiative supports a diverse array of industries including commercial, environmental, and humanitarian sectors, positioning us as both a space and data enterprise.Our clients worldwide leverage Planet's data to pioneer new technologies, generate revenue, conduct research, and tackle some of the planet's most pressing challenges.With complete control over hardware design, manufacturing, data processing, and software engineering, our team is an inspiring blend of experts from various fields.We prioritize a people-centric culture and community, continuously evolving to put our team members first as we prepare for growth. Join us at Planet and be part of our mission to transform global perspectives.Planet operates globally, with a flexible working environment that includes remote employees and offices in San Francisco, Washington DC, Germany, Austria, Slovenia, and The Netherlands.About the Role:The Mechanical Engineering team at Planet seeks a skilled Senior Mechanical Engineer to lead the design of critical spacecraft subsystems for our fleet of Earth-imaging satellites. Your role will encompass overseeing spacecraft design initiatives, from subsystem to full spacecraft level. The ideal candidate will be an experienced mechanical designer with a proven track record in leading mechanical subsystem development through all phases, from conceptualization to manufacturing, testing, and flight integration. As a vital member of the Mechanical Engineering team within Planet’s Space Systems division, you will collaborate closely with various teams to drive our agile approach to spacecraft design.This is a full-time position based at our San Francisco headquarters, requiring in-office attendance five days a week.

Role overview AECOM is hiring a Senior Mechanical Engineer in San Francisco. This role leads project work and collaborates with teams across disciplines. The focus: designing, developing, and implementing mechanical systems that support efficiency and sustainability goals.

About Our TeamAt OpenAI, our Hardware team is dedicated to innovating system-level and silicon solutions tailored for the demanding requirements of cutting-edge AI applications. We seamlessly integrate mechanical, thermal, electrical, and systems engineering to transform high-performance, mission-critical hardware from initial design to mass production.We collaborate closely with design engineers, operations, TPM, and external manufacturing partners, ensuring that our AI infrastructure is not only reliable and efficient but also designed for scalability.About the RoleWe are seeking a seasoned Manufacturing Engineer to spearhead thermal-mechanical manufacturing projects throughout the lifecycle of next-generation AI hardware systems. In this pivotal role, you will be responsible for driving the design, validation, and quality strategies of manufacturing processes from concept to mass production.You will engage cross-functionally with mechanical, thermal, electrical, and systems engineers to ensure our data center hardware platforms meet stringent performance, reliability, and scalability standards at both the component and rack levels. This position demands strong analytical skills, hands-on manufacturing experience, and the ability to thrive in a fast-paced, interdisciplinary environment.This role is based in San Francisco, CA, operating under a hybrid work model of three days in the office each week. We also offer relocation assistance to qualified new hires.Key ResponsibilitiesLead thermal-mechanical manufacturing and quality initiatives to guarantee product success from concept through launch and high-volume production.Own the manufacturing process design for next-generation AI hardware systems, collaborating with engineering, operations, TPMs, suppliers, and external partners.Work cross-functionally to design and optimize mechanical and thermal solutions for large-scale data center deployment.Design and validate manufacturing processes for chassis, enclosures, cooling systems, and high-power connections, aligning with performance and reliability standards.Conduct hands-on DFM/DFx analysis across design, development, prototyping, testing, and production phases.Research and implement automation techniques to enhance manufacturing efficiency and scalability.Define and manage manufacturing requirements, scope, schedules, and deliverables in collaboration with both internal and external stakeholders.Partner with suppliers to develop validation plans that ensure reliability and performance criteria are met.

At Oura, we are dedicated to empowering individuals to unlock their fullest potential. Our award-winning products, including the innovative Oura Ring and its connected app, provide invaluable insights into readiness, activity levels, and sleep quality, helping a global community achieve better health and well-being. We have transformed the lives of millions by offering daily insights and practical steps that encourage healthier living.Our commitment to empowerment extends to our team members, ensuring they have the resources and support needed to excel both professionally and personally. As a rapidly growing company focused on fostering healthier and happier lives, we prioritize the well-being of our employees.We invite you to join our dynamic hardware team as a Senior Staff Product Design Engineer, contributing to the development of our next generation of wearables. This hybrid position can be based in either San Diego or San Francisco.

Join The Bot Company as a Mechanical EngineerAt The Bot Company, we are on a mission to create an innovative robot designed to enhance everyday life in homes around the world.Based in the vibrant city of San Francisco, our compact team of engineers, designers, and operators comes from esteemed organizations such as Tesla, Cruise, OpenAI, Google, and Pixar. With a proven track record of delivering products to hundreds of millions of users, we know how to craft exceptional products and experiences.Our streamlined team structure fosters quick decision-making and eliminates unnecessary bureaucracy. Every team member is a contributor with significant scope, ownership, and accountability, working collaboratively across multiple domains to drive rapid iteration and execution.Candidate ExpectationsIn all roles at The Bot Company, we seek candidates who display remarkable sharpness and the capacity to thrive in fast-paced, high-pressure environments. Candidates should demonstrate:Exceptional mental acuity: Quick thinkers who learn swiftly and can reason across diverse domains.Engineering curiosity: A natural inclination to explore and understand how systems function, even beyond one’s specialty.High performance mindset: The ability to excel amidst ambiguity and high demands.Role Overview: Mechanical EngineerAs a Mechanical Engineer, you will be responsible for designing the mechanical systems, structures, and mechanisms that bring our robots to life. This position is ideal for individuals with exceptional mechanical intuition, rapid prototyping skills, and a history of delivering reliable hardware at scale.

Join Gridware as a Mechanical Research Engineer, where your innovative spirit and engineering expertise will contribute to groundbreaking projects in the energy sector. You will be responsible for conducting research, developing prototypes, and collaborating with a team of skilled engineers to advance our technology solutions.