Mechanical Engineer

Join Syska Hennessy Group and witness your engineering innovations take shape in iconic projects across the globe! As a prominent leader in consulting, engineering, and commissioning services, we excel in MEP, information and communication technology, architectural lighting, vertical transportation, and commissioning.Our vibrant and inclusive work environment offers the ideal platform for you to elevate your engineering career. With a supportive culture, diverse team, competitive compensation, and a flexible work schedule — Monday to Thursday in the office for 9 hours and Friday for 4 hours remotely — along with engaging social events, we provide everything you need for an exciting and fulfilling career.We are on the lookout for a Mechanical Engineer II - III to join our teams in San Francisco, CA or Sacramento, CA.

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.

Join Syska Hennessy Group and see your engineering designs take shape in iconic projects worldwide! As a premier consulting, engineering, and commissioning firm, we are experts in MEP (mechanical, electrical, plumbing), information and communication technology, architectural lighting, vertical transportation, and commissioning services.Our vibrant work environment fosters professional growth, offering a supportive culture, a diverse workforce, competitive compensation, and a flexible work schedule. Enjoy a hybrid model with in-office work from Monday to Thursday (9 hours) and a 4-hour remote workday on Fridays, along with engaging social events, ensuring a fulfilling and exciting career.We are currently seeking a Mechanical Engineer III - IV to join our teams in San Francisco, CA, Sacramento, CA, or San Diego, CA.

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.

About the RoleHinge Health is on the lookout for a talented Mechanical Engineer II to join our dynamic Hardware Engineering team. In this pivotal role, you will contribute significantly to the design and development of our next-generation hardware products. As a mid-level engineer, you will tackle a range of projects, focusing on mechanical designs for advanced medical devices that are highly integrated. You will collaborate across various teams, including electrical, mechanical, and manufacturing, to successfully transition products from concept to production.The ideal candidate is passionate about addressing real-world challenges through hardware innovation—your efforts will directly enhance the lives of millions of our members by alleviating pain and improving their well-being. By joining our Hardware group within the broader R&D organization, you will be part of a highly skilled, motivated, and compact team where your ideas and contributions are valued.What You'll AchieveCreate intricate device assemblies and manufacturing fixtures using 3D CAD, integrating components like PCBAs, batteries, and connectors.Rapidly prototype and test using various technologies (3D printing, machining, etc.)Engage in all phases of product development, from exploration and prototyping to detailed design, testing, and scaling for mass production.Work closely with electrical, firmware, and senior mechanical engineers on system architecture and integration.Maintain design quality and adhere to medical device regulatory standards through clear documentation and thorough testing.Assist manufacturing and sustaining engineering by optimizing designs for cost reduction and enhanced manufacturability, supporting process or test development, and aiding in failure analysis.Hinge Health Hybrid ModelWe believe in the advantages of both remote and in-office work, and we aim to harness the best of both worlds. Employees in hybrid roles are expected to work in the office three days a week for a full eight-hour business day. Our San Francisco office features a dog-friendly work environment.

Join Syska Hennessy Group and see your engineering designs come to life in prestigious projects across the globe! As a renowned leader in consulting, engineering, and commissioning services, we excel in MEP, information and communication technology, architectural lighting, vertical transportation, and commissioning.Our vibrant work culture offers an ideal environment to elevate your engineering career. We provide a supportive atmosphere, a diverse workforce, competitive compensation, and a flexible work schedule: Monday through Thursday in the office for 9 hours, and 4 hours remotely on Fridays. Enjoy engaging social events that contribute to a fulfilling and rewarding career.We are currently seeking an Electrical Engineer II - III to join our teams in San Francisco, CA or Sacramento, CA.

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 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 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.

Join the Sleep Fitness RevolutionAt Eight Sleep, we are dedicated to maximizing human potential through the power of optimal sleep. As the pioneering sleep fitness company, we are transforming the concept of restful sleep by developing cutting-edge hardware, software, and AI technologies that facilitate personalized, data-driven recovery experiences. Our innovative products enhance mental, physical, and emotional performance, making us the choice of high achievers, professional athletes, and health enthusiasts across over 30 countries.Recognized as one of Fast Company's Most Innovative Companies in 2019, 2022, and 2023, and honored twice in TIME's “Best Inventions of the Year,” we operate with a high-performance mindset: fast, focused, and dedicated to impactful results. We believe in continuous improvement—shipping products is just the beginning; we refine and enhance them obsessively to ensure our members sleep better and wake up stronger.Every position at Eight Sleep offers a unique opportunity to contribute to groundbreaking technology, collaborate with exceptional talent, and influence a future where sleep is a dynamic asset for improved living. If you're ready to leave the mundane behind and push the boundaries of innovation, this is your moment. Join us in leading the transformation of global sleep practices and unlocking human capabilities.High Standards, Unwavering CommitmentWe embrace intensity because our mission demands excellence. At Eight Sleep, we adopt the mentality of the world’s elite performers: focused, relentless, and striving to be at the peak of our craft. This is not a conventional 9-to-5 job. Our team is deeply committed, often dedicating over 60 hours a week—driven not by obligation but by our investment in our mission. We are here to innovate rapidly, push boundaries, and deliver uncompromising results. If you thrive in high-pressure environments and seek to engage in the most significant work of your career, you'll find your place here. If you're seeking a cushy role—this is not the one for you.The RoleWe are in search of a talented Staff Mechanical Engineer to spearhead new product development from concept to production. You will be part of a tight-knit, mission-driven team with considerable autonomy in decision-making. With our rapid growth, there are significant opportunities for career advancement.This role is based out of our San Francisco Office 5 days a week.

Be Part of the Team Revolutionizing Autonomy in ConstructionAt Bedrock Robotics, we are at the forefront of transitioning artificial intelligence from theoretical frameworks to practical applications. Our team consists of seasoned professionals who have been instrumental in launching Waymo, scaling Segment to a $3.2 billion acquisition, and driving Uber Freight to $5 billion in revenue. We are currently implementing autonomous systems on heavy construction machinery nationwide, expediting timelines for multi-billion dollar infrastructure projects while enhancing safety on job sites. With $350 million in funding, we are swiftly addressing the growing demand for housing, data centers, manufacturing facilities, and tackling the construction sector's labor shortages.This is where cutting-edge algorithms meet robust engineering. You will collaborate with experienced construction professionals and world-renowned engineers to tackle real-world challenges that simulations cannot address. If you're eager to leverage innovative technology to solve significant issues alongside a dedicated team, we would be thrilled to welcome you aboard.Job OverviewAs a Mechanical Systems Integration Engineer, your primary responsibility will be the physical integration of sensors, computational hardware, actuators, and auxiliary subsystems onto our next-generation autonomous construction machines. You will work collaboratively with electrical, software, manufacturing, operations, and supply chain teams to convert system-level requirements into robust mechanical designs optimized for scalability, reliability, manufacturability, industrial design, and operational efficiency in challenging real-world environments—enduring vibrations, shocks, dust, debris, and various weather conditions.Main ResponsibilitiesMechanical Integration Design: Create mounting brackets, enclosures, and structural interfaces for sensors (cameras, LiDAR, radar, IMUs), computational units, and ancillary hardware on vehicle platforms.3D CAD Design: Develop intricate part and assembly models utilizing Onshape, including GD&T-compliant drawings for fabrication and vendor sourcing.Routing & Packaging: Collaborate with cross-functional teams to determine physical routing paths for wire harnesses, fluid lines, and cooling components within constrained mechanical envelopes.Environmental Protection: Design and select suitable sealing, gasketing, and protective enclosures (IP-rated) to shield sensitive electronics from moisture, dust, and contamination.Prototype Build Support: Assist in the building and testing of prototypes to validate design assumptions and ensure functionality.

ABOUT US:At Astro Mechanica, we are pioneering the future of aerospace technology with a commitment to creating faster and more interconnected travel solutions. Our mission is to democratize high-speed flight, making supersonic travel not only flexible and accessible but also sustainable. We envision a world where rapid, on-demand global mobility is the norm for transporting people and goods. To bring this vision to life, we are fusing our advanced airframe and engine technologies, including our innovative Duality™ propulsion system, with a new operational framework that ensures supersonic transport is as efficient and economical as today’s commercial air travel. In the near term, our focus is on developing adaptable high-speed systems to bridge performance gaps for the United States government.WHO WE ARE:We are a dedicated team of passionate engineers entrenched in the aerospace sector. Our flat organizational structure encourages collaboration among generalists and specialists alike, fostering a culture where innovative ideas flourish. We operate at a rapid pace, driven by a commitment to building transformative technology in a pragmatic and skilled environment.WHO YOU ARE:Astro Mechanica is on the lookout for a seasoned Senior Mechanical Engineer who is ready to take ownership of hardware design from the conceptual phase through to production. The right candidate will possess a deep understanding of how their designs impact surrounding systems and will tackle technical challenges with a first-principles approach. Your contributions will directly influence the configuration and performance of our Duality™ engine.In this position, you will lead the journey of our cutting-edge jet engine and its subsystems from early prototypes to flight qualification, vehicle integration, and actual flight. You will embody the philosophy of testing as you fly.WHAT YOU’LL DO:Conduct design trade studies while considering system-level impacts.Complete detailed designs supported by structural, thermal, and fluid analyses.Lead design reviews and gather feedback from stakeholders.Build prototypes directly, design necessary tooling, and create work instructions.Perform hardware tests and analyze data to confirm compliance with requirements and performance metrics.Efficiently diagnose hardware issues and identify corrective actions.WHAT WE’RE LOOKING FOR:10+ years of hands-on experience with fluid dynamics and mechanical design in aerospace applications.

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.

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.

Join Syska Hennessy Group and watch your engineering visions become reality through landmark projects across the globe! As a renowned leader in consulting, engineering, and commissioning services, we focus on highly technical buildings and the intricate systems that power them. We are currently on the lookout for a Lead Mechanical Engineer to become an integral part of our team at our San Francisco, CA or Sacramento, CA office.In your role as Lead Mechanical Engineer, you will serve as the primary point of contact for our clients, contractors, architects, and project teams. You will oversee project assignments, manage teams, and ensure efficient coordination throughout the project lifecycle.Our vibrant work culture encourages professional growth, offering a supportive environment complemented by a diverse workforce. Enjoy competitive compensation, a flexible work schedule with Monday to Thursday in the office for 9 hours and Friday for 4 hours remotely, and engaging social events, making it the perfect setting for a fulfilling and challenging career. Experience in Mission Critical, Science + Technology, Healthcare, and Project Management is highly valued.

Join the dynamic team at DoorDash Labs, the forefront of innovation within DoorDash, dedicated to transforming last-mile logistics through cutting-edge automation and robotics. We are on the lookout for a passionate Senior Mechanical Engineer who will be instrumental in designing, developing, and validating mechanical systems for our advanced unmanned platforms. Ideal candidates will possess substantial experience in mechanical design, structural analysis, CAD, and rapid prototyping, with a history of delivering effective solutions in fast-paced production environments.