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105 mechanical design engineer jobs found

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High-Tech mechanical design engineer California
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OA
Sep 12, 2026
Full time
Mechanical Design Engineer, Motor Design & Prototyping
OpenAI San Francisco, CA
About the Team Our Robotics team is focused on unlocking general-purpose robotics and pushing towards AGI-level intelligence in dynamic, real-world settings. Working across the entire model stack, we integrate cutting-edge hardware and software to explore a broad range of robotic form factors. We strive to seamlessly blend high-level AI capabilities with the constraints of physical systems to improve peoples' lives. About the Role We are seeking a Mechanical Design Engineer to lead the development of motor mechanical designs and prototype hardware for advanced robotic systems. You will own stator and rotor mechanical development from early concepts and detailed design through hands-on builds and prototype validation, partnering closely with electromagnetic, electrical, test, and manufacturing teams. This role focuses on the design, integration, and validation of motor components and prototype processes, including laminations, stack assemblies, bobbins, winding...
AA
Sep 08, 2026
Full time
Senior Mechanical Design Engineer
$120,000 - $140,000 yearly
ATC Automation Simi Valley, CA
ATC Automation is seeking a hands-on and innovative Senior Mechanical Design Engineer to lead the mechanical development of custom automation machinery and tooling systems at our Simi Valley, CA location. Remote opportunities may be considered for highly qualified candidates, with occasional travel required to the Simi Valley facility. Projects will range in size and complexity, from rapid R&D initiatives to fully integrated, high-speed production systems. In this role, you will collaborate directly with customers to define project requirements and work alongside a multidisciplinary engineering team to deliver reliable, high-performance automation solutions. This position offers a competitive annual salary range of $120,000 to $140,000, along with opportunities for continued professional development and career advancement. Benefits include Medical, Dental, Vision, 401(k), Life Insurance, Health Savings Account, Flexible Spending Account, and Paid Time Off. If you are driven by...
Sy
Sep 08, 2026
Contractor
Mechanical Design Engineer
$45.00 - $50.00 hourly
Systematix Concord, CA
We are Systematix and we are currently looking for a hands-on Mechanical Design Engineer to contribute to the development of sophisticated scientific instrumentation for one of our key clients. ABOUT THE PROJECT Our client is a global leader in science and technology, developing advanced analytical instrumentation used by scientists and researchers around the world. As part of its ongoing product development initiatives, the organization is seeking a Mechanical Design Engineer to join a multidisciplinary Hardware Product Development team responsible for designing, integrating, prototyping, and verifying technologies for state-of-the-art analytical instruments. The successful candidate will work closely with mechanical, electrical and systems engineers, research scientists, and product development teams throughout the product development lifecycle, helping transform technical concepts into functional, manufacturable, and reliable solutions. ABOUT THE RESPONSIBILITIES...
Li
Aug 05, 2026
Full time
Mechanical Design Engineer
$135,000 - $212,000 yearly
Lightmatter Mountain View, CA
Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company invented the world's first 3D-stacked photonics engine, Passage™, capable of connecting thousands to millions of processors at the speed of light in extreme-scale data centers for the most advanced AI and HPC workloads. Lightmatter raised $400 million in its Series D round, reaching a valuation of $4.4 billion. We will continue to accelerate the development of data center photonics and grow every department at Lightmatter! If you're passionate about tackling complex challenges, making an impact, and being an expert in your craft, join our team of brilliant scientists, engineers, and accomplished industry leaders. Lightmatter is (re)inventing the future of computing with light! In this role, you will be working on leading-edge packaging technologies to enable AI architectures that set new industry standards for compute power, performance, and...
No
Sep 10, 2026
Full time
Principal Mechanical Design Engineer
$180,000 - $260,000 yearly
Nokia Sunnyvale, CA
Job Description Join our Applied R&D Electromechanical Design team and work at the forefront of multi-discipline innovation, where you'll tackle complex, target-oriented challenges spanning hardware, software and system design. In this role, you will contribute to the design, development and implementation of electromechanical solutions for Base Transceiver Station (BTS) modules and units, including mechanics, thermal management, interconnections, power supply units (PSU), printed wiring board (PWB) layouts and overall hardware usability. You will systematically combine existing knowledge and best practices to solve real-world problems, provide techno-economic consulting to internal and external stakeholders, and drive incremental improvements in products, operational processes and customer-specific features. If you are passionate about creating high-quality, highly reliable, easy-to-install, and cost-efficient products in a detailed and technically challenging...
Va
Sep 08, 2026
Full time
Propulsion Engineer - Mechanical Design
$137,760 - $195,552 yearly
Vast Long Beach, CA
Vast is developing next-generation space stations and space infrastructure using an incremental, hardware-rich, and low-cost approach. Vast is rapidly developing its multi-module Haven Station to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. Haven Demo's 2025 success made Vast the only operational commercial space station company to fly and operate its own spacecraft. Next, Haven-1 is expected to become the world's first commercial space station when it launches in 2027, followed by additional Haven modules. Additionally, the company recently announced Vast Satellite , a high-power satellite product line leveraging its space station components and the heritage of Haven Demo. Headquartered in Long Beach, California , and with more than 1,000 employees and over a billion dollars in private capital, Vast has built...
FI
Sep 08, 2026
Full time
Mechanical Product Design Engineer
Fiserv, Inc. Sunnyvale, CA
Calling all innovators - find your future at Fiserv. We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv. Job Title Mechanical Product Design Engineer What does a successful Mechanical Product Design Engineer do at Fiserv? You'll help design our smart payment terminals and POS devices that enable our merchants to process billions of dollars worth of transactions. Reliability and security are critical, but we also need to build new innovative features for POS/payment devices. What you will do: Product Design based on ID specifications Create detailed apart break out...
No
Sep 08, 2026
Intern
Mechanical Engineering Intern (2027 Summer Internship)
Northwoodspace Torrance, CA
Northwood is a modern space infrastructure company bringing the benefits of space to the masses through advanced communications technology. We are building a global network of phased array ground stations that enable real-time, reliable communication for satellite missions such as national security, global connectivity, and disaster response. With a vertically integrated approach, Northwood designs, builds, and rapidly deploys scalable systems that power the next generation of space missions. If you like solving complex challenges and seeing your work deployed around the world with real impact, Northwood is the place to do it. Role Northwood is seeking a motivated Mechanical Design Engineer Intern to join our dynamic team, assisting in the design of structures, systems, tooling, and other products for our ground station antennas. This internship will provide hands-on experience in designing and developing hardware that will be deployed globally, as well as fabrication and...
Ra
Sep 18, 2026
Full time
Manufacturing Engineer
Ralliant Hollister, CA
Summary: This Manufacturing Engineer role supports the Chemical Operations Department and is responsible for developing, improving, and sustaining manufacturing processes for both new and existing products. The role focuses on enhancing efficiency, safety, quality, productivity, and cost within production operations. Key activities include reviewing product designs, creating work instructions, developing process routings, estimating labor and material costs, implementing production layouts, designing tooling and fixtures, conducting process capability studies, and driving continuous improvement through Lean, 5S, Kaizen, and process hazard analyses. Key Responsibilities: As a Manufacturing Engineer with Pacific Scientific EMC, you will be tasked with analyzing, developing, implementing, and maintaining methods, manufacturing operation sequences, specifications, and equipment requirements for production/assembly of new and existing products. Assist with sustaining and...
Ae
Sep 18, 2026
Full time
Lead Mechanical Engineer, Laser Communications
Aetherflux San Carlos, CA
About Cowboy Space Corp: Mission Cowboy Space Corporation is solving the global energy crisis by building the infrastructure for abundant, resilient space-based solar energy. We are tackling one of humanity's most complex engineering challenges with a world-class team dedicated to delivering a revolutionary power platform. Cowboy Space Corporation is transforming how civilization powers, computes and connects - from orbit to Earth. Background Cowboy Space Corporation is building the infrastructure to power and connect the orbital economy. Our modular, scalable satellites collect sunlight in Low Earth Orbit to enable multiple integrated applications: transmitting energy via infrared lasers (space-to-earth and space-to-space), powering on-orbit high-performance computing clusters (GPU/TPU), and providing secure, high bandwidth optical data transport. Current energy and data systems rely on complex logistics and outdated infrastructure. Cowboy Space Corporation overcomes these...
HS
Sep 18, 2026
Full time
Optical Engineer
$85,000 - $115,000 yearly
Horizon Surgical Systems, Inc. Los Angeles, CA
Open Position - Optical Engineer Horizon Surgical Systems Inc. Horizon Surgical Systems Inc. is revolutionizing the world of surgical ophthalmology by developing a novel, AI driven, and imaging-guided surgical robotic system. Horizon Surgical Systems Inc. aims to expand access to care, provide superior capabilities to the human surgeon, and enhance patient outcomes. Microsurgery in general and Ophthalmology are subfields of surgery for which the surgical outcomes can be significantly improved by robotic systems to allow superior dexterity, precision, accuracy, and visualization beyond the human surgeon's own capabilities. We are seeking highly motivated, and intellectually inquisitive individuals looking to make a positive impact on healthcare via the development of robotic technology. The core values of Horizon Surgical Systems Inc. are: Commitment to Excellence: We aim to deliver superior patient outcomes and surgeon experiences Passion for Creativity and Innovation:...
RD
Sep 18, 2026
Full time
Mid-Level Mechanical/Product Development Engineer
RKS Design, Inc. Thousand Oaks, CA
Job Description RKS Design - Thousand Oaks, CA Full-TimeIn-Office RKS Design is seeking a talented Mid-Level Mechanical/Product Development Engineer to join our multidisciplinary product development team. In this role, you will work alongside Industrial Design, Research, Strategy, and Engineering teams to transform innovative concepts into thoughtfully engineered, manufacturable products. Your contributions will span the product development process-from early concept exploration and prototyping through detailed engineering, testing, manufacturing, and production. We are looking for a hands-on problem solver who enjoys working on a wide variety of products and technical challenges and who understands how great engineering supports both the design vision and the end-user experience. Your Role You will contribute to the development of complex mechanical and electro-mechanical products while collaborating closely with designers, engineers, clients, suppliers, and...
AL
Sep 17, 2026
Full time
Validation Engineer, Low Voltage Components
$110,000 - $130,000 yearly
ALTEN Foster City, CA
We're ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life-from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more. As part of the global ALTEN Group-57,000+ engineers in 30 countries-we deliver across the entire product development cycle, from consulting to full project outsourcing. When you join ALTEN Technology USA, you'll collaborate on some of the world's toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow. Location: Foster City, CA On-site: 5 days per week The Component and Sub System Hardware Validation team is responsible for ensuring components and...
MP
Sep 15, 2026
Full time
Manufacturing Engineer
$90,000 - $110,000 yearly
Murata Power Solutions, Inc. Concord, CA
Calex Manufacturing, a subsidiary of Murata Power Solutions, is powering what's next in high-performance, sustainable power conversion. We serve two of the most transformative technology markets: Server, Storage, and Networking (SSN), and advanced automation, including robotics and energy storage. Ranked among the world's top five suppliers of advanced power electronics, we offer one of the industry's broadest selections of standard power products and lead in the development of custom, application-specific solutions. Known for the quality of our technology and the strength of our team, Murata Power Solutions provides opportunities to work with talented engineers and a leadership group committed to growth, innovation, and deep partnerships with many of the world's leading OEMs. Position Summary Candidates must currently reside within commuting distance of the work location. Relocation assistance is not offered, and applicants must be legally authorized to work in the country...
Va
Sep 14, 2026
Full time
Mechanisms Engineer
$112,340 - $230,000 yearly
Vast Long Beach, CA
Vast is developing next-generation space stations and space infrastructure using an incremental, hardware-rich, and low-cost approach. Vast is rapidly developing its multi-module Haven Station to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. Haven Demo's 2025 success made Vast the only operational commercial space station company to fly and operate its own spacecraft. Next, Haven-1 is expected to become the world's first commercial space station when it launches in 2027, followed by additional Haven modules. Additionally, the company recently announced Vast Satellite , a high-power satellite product line leveraging its space station components and the heritage of Haven Demo. Headquartered in Long Beach, California , and with more than 1,000 employees and over a billion dollars in private capital, Vast has built...
OA
Sep 12, 2026
Full time
Mechanical Engineer, Dynamometer and Actuator Testing Infrastructure
OpenAI San Francisco, CA
About the Team Our Robotics team is focused on unlocking general-purpose robotics and pushing towards AGI-level intelligence in dynamic, real-world settings. Working across the entire model stack, we integrate cutting-edge hardware and software to explore a broad range of robotic form factors. We strive to seamlessly blend high-level AI capabilities with the constraints of physical systems to improve peoples' lives. About the Role We are seeking a Mechanical Engineer to design, build, and own the mechanical side of our robotic actuator dynamometer and test infrastructure. You will create the test stands, couplings, fixtures, load paths, guarding, and serviceable lab hardware that enable rigorous characterization of robotic actuators. This role combines precision mechanical design with hands-on lab work. You will take robotic actuator test infrastructure from requirements and analysis through CAD, fabrication, assembly, commissioning, and iteration, partnering closely...
CC
Sep 11, 2026
Full time
Engineering Director
$232,000 - $253,000 yearly
Cubic Corporation San Diego, CA
Business Unit: Cubic Defense Company Details: When you join Cubic, you become part of a company that creates and delivers technology solutions in transportation to make people's lives easier by simplifying their daily journeys, and defense capabilities to help promote mission success and safety for those who serve their nation. Led by our talented teams around the world, Cubic is committed to solving global issues through innovation and service to our customers and partners. We have a top-tier portfolio of businesses, including Cubic Transportation Systems (CTS) and Cubic Defense (CD). Explore more on Cubic.com. Job Details: Job Summary: Title - Engineering Director Location - San Diego, CA, onsite Schedule - 9/80 Travel requirements - 25% The Engineering Director will lead and support a multidisciplinary engineering team responsible for the development, execution, and sustainment of advanced technology products and programs. Based in San Diego, CA, this...
SW
Sep 08, 2026
Full time
Signal Specialist Engineer
$80,000 - $110,000 yearly
SWARCO Vista, CA
Job Type Full-time Description We are seeking an experienced Signal Specialist Engineer to serve as the technical and product subject-matter expert for the Company's signal product portfolio. This position is responsible for supporting the design, development, configuration, documentation, qualification, and ongoing lifecycle of signal products while ensuring customer, regulatory, and business requirements are effectively addressed. The position works cross-functionally with various departments, vendors, and customers to support product development, resolve technical issues, maintain product documentation, and facilitate successful product delivery and market acceptance. Duties / Responsibilities Service as the primary technical and product resource for assigned signal products and provide support to internal departments, customers, and vendors. Review customer specifications, plans, drawings, and technical requirements to determine product compliance, configuration, and...
AM
Sep 08, 2026
Full time
Principal Mechanical Engineer
$203,000 yearly
Advanced Micro Devices, Inc San Jose, CA
ADVANCE YOUR CAREER. ADVANCE THE WORLD. At AMD, we believe technology can change lives for the better. It can heal us, entertain us, and make us more connected, productive, and understanding of the world around us. And we're looking for talent who feel the same: people who want to leave the planet better than they found it, those who don't shy away from humanity's challenges but are determined to help solve them. AMD is powering the next generation of supercomputing, high-performance computing, cloud, and AI. Whether you're designing next-gen processors, enabling AI breakthroughs, or creating go-to-market plans, every role at AMD contributes to something bigger - technology that moves the world forward. THE ROLE: Join AMD's advanced packaging organization and help shape the mechanical architecture behind next-generation high-performance computing, AI, and semiconductor products. As a Principal Mechanical Engineer, you will lead the development of advanced package solutions...
Ae
Sep 08, 2026
Full time
Wiring Harness Engineer
$100,000 - $135,000 yearly
Aetherflux San Carlos, CA
Cowboy Space Corp. is building the infrastructure to power and connect the orbital economy. Our satellites operate in Low Earth Orbit to collect sunlight and enable a new class of capabilities-from powering on-orbit compute, to transmitting energy via infrared lasers (space-to-earth and space-to-space), powering on-orbit compute to delivering secure, high-bandwidth optical data. By rethinking how energy and data are generated and distributed in space, we're unlocking entirely new ways to operate both in orbit and on Earth. Founded in 2024 by Baiju Bhatt (co-founder of Robinhood), Cowboy Space Corp. is backed by leading investors and built by a team from top aerospace and defense organizations. We're moving quickly to solve complex technical challenges and build a new category of space infrastructure. About the Role: We are looking for a Wiring Harness Engineer to design and integrate robust electrical harnessing systems for our spacecraft platforms. This role will own the...
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