108 mechanical design engineer i jobs found

About Us At Antares, our long-term mission is to make clean energy abundant from Earth to the Asteroid Belt. We're fueled by the belief that advanced nuclear energy can strengthen our military, solve the climate crisis, elevate global living standards, and expand humanity's presence in outer space. To achieve our mission, we're building mass-producible, inherently safe, deployable microreactors that can be used terrestrially, underwater, and in space. The Antares team hails from SpaceX, the White House, the Pentagon, the Department of Energy, MIT, Rigetti Computing, General Atomics, Relativity Space, Ursa Major, and National Laboratories like Idaho, Oak Ridge, Los Alamos, and Savannah River. Antares has raised over $600M in venture capital from top-tier investors and has hundreds of million-dollars on contract with the military services, NASA, and the Department of Energy. About the Role As a Level I or Level II Mechanical Design Engineer in the Mission Engineering team, you...

Company Description KPFF Special Projects Group Since 1996, KPFF's Special Projects Group has been at the forefront of addressing specialized challenges in project development. With over 150+ team members in three offices strategically located in Long Beach, CA, Tacoma, WA, and Seattle, WA, our approach combines dedicated project managers, a skilled technical team, and a commitment to innovation. We offer a comprehensive range of services including civil, structural, and mechanical engineering, machinery design, construction and project management, and planning services. We specialize in the management and design of heavy civil, structural, industrial, and waterfront infrastructure projects across the United States. Our team thrives on solving unique, multi-disciplinary challenges, collaborating closely with clients such as the Ports of Long Beach, Los Angeles, Tacoma, and Seattle, as well as various municipalities and government agencies. Join us at KPFF Special Projects...

Company Description About Us KPFF Special Projects Division Since 1996, KPFF's Special Projects Division has been at the forefront of addressing specialized challenges in project development. With over 150 team members in three offices strategically located in Long Beach, CA, Tacoma, WA, and Seattle, WA, our approach combines dedicated project managers, a skilled technical team, and a commitment to innovation. We offer a comprehensive range of services including civil, structural, and mechanical engineering, machinery design, construction and project management, and planning services. We specialize in the management and design of heavy civil, structural, industrial, and waterfront infrastructure projects across the United States. Our team thrives on solving unique, multi-disciplinary challenges, collaborating closely with clients such as the Ports of Long Beach, Los Angeles, Tacoma, and Seattle, as well as various municipalities and government agencies. Join us at KPFF...

Divergent is building the new industrial age. Every day, our teams design, manufacture, and assemble advanced systems for some of the world's most demanding industries. Our integrated engineering and manufacturing platform transforms complex designs into production-ready solutions, helping customers move faster, build smarter, and deliver critical systems when they matter most. Divergent is a qualified Tier 1 supplier to global automotive OEMs and supports leading U.S. aerospace and defense companies. Join us and help push the boundaries of what can be built. Purpose The Staff Automation & Controls Engineer will develop flexible robotic manufacturing & automation systems core to the Divergent Adaptive Production System (DAPS). The ideal candidate has a track record of successfully architecting and deploying advanced automated systems in a quick changing, start-up environment. This role will take a hands-on execution approach and use their skills in hardware, software...

Divergent is building the new industrial age. Every day, our teams design, manufacture, and assemble advanced systems for some of the world's most demanding industries. Our integrated engineering and manufacturing platform transforms complex designs into production-ready solutions, helping customers move faster, build smarter, and deliver critical systems when they matter most. Divergent is a qualified Tier 1 supplier to global automotive OEMs and supports leading U.S. aerospace and defense companies. Join us and help push the boundaries of what can be built. Purpose The Principal Automation & Controls Engineer will lead the development of flexible robotic manufacturing & automation systems, core to the Divergent Adaptive Production System (DAPS). The ideal candidate has a track record of successfully architecting and deploying advanced automated systems in a quick changing, start-up environment. This role will take a hands-on execution approach and use their skills...

Divergent is building the new industrial age. Every day, our teams design, manufacture, and assemble advanced systems for some of the world's most demanding industries. Our integrated engineering and manufacturing platform transforms complex designs into production-ready solutions, helping customers move faster, build smarter, and deliver critical systems when they matter most. Divergent is a qualified Tier 1 supplier to global automotive OEMs and supports leading U.S. aerospace and defense companies. Join us and help push the boundaries of what can be built. Purpose As a Senior Materials & Process engineer, you will help accelerate the adoption and qualification of new manufacturing processes through first principles materials engineering and robust qualification testing. The Role Act as a subject matter expert (SME) in L-PBF alloy metallurgical evaluation and microstructure characterization, supporting high-priority improvements to printed material capability and...

About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations. Role Summary Join Rivian's Vehicle Hardware Engineering - Chassis - Product Development team as a key contributor in bringing our electric adventure vehicles to life. As a Senior Mechanical Design & Release Engineer, you'll be instrumental in the product development of chassis steering hardware components - from steering columns, intermediate shafts, and electric power-assisted steering gears to next-generation mechatronic systems including...

About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations. Role Summary Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious courageous souls we seek to attract. We constantly challenge what is possible, never simply accepting what has always been done. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations. If you are aligned with this mission, we want...

About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations. Role Summary This is an opportunity to have great impact and shape the physical design of Rivian's electric vehicle systems. We're looking for a highly motivated, multi-disciplined mechanical design & release engineer to help us design and develop Exterior components on current and future Rivian Models. Responsibilities • Design, Develop, and release Exterior Components including, but not limited to Front and Rear Fascia Assemblies, Front End Modules...

ABOUT ROCKET LAB Rocket Lab is the end-to-end space company building rockets, spacecraft, and critical subsystems that keep the world connected, protected, expand humanity's reach to the Moon, Mars, and beyond. We move fast, build real hardware for meaningful missions, and make the impossible routine. Come shape the future with us. NEUTRON Neutron is a medium lift launch vehicle capable of delivering the mega constellations of tomorrow, high assurance payloads, and human spaceflight. As a highly reusable launch platform, Neutron will deliver a highly cost-effective and reliable launch solution leveraging Rocket Lab's proven execution history with the Electron program. If you're interested in joining a high performing team, pushing the boundaries with a clean sheet development of re-usable liquid launch vehicle, this is your opportunity! MANUFACTURING ENGINEER II / SENIOR - FLUID SYSTEMS Based out of Rocket Lab's headquarters in Long Beach, CA the Manufacturing Engineer...

ABOUT ROCKET LAB Rocket Lab is the end-to-end space company building rockets, spacecraft, and critical subsystems that keep the world connected, protected, expand humanity's reach to the Moon, Mars, and beyond. We move fast, build real hardware for meaningful missions, and make the impossible routine. Come shape the future with us. NEUTRON Neutron is a medium lift launch vehicle capable of delivering the mega constellations of tomorrow, high assurance payloads, and human spaceflight. As a highly reusable launch platform, Neutron will deliver a highly cost-effective and reliable launch solution leveraging Rocket Lab's proven execution history with the Electron program. If you're interested in joining a high performing team, pushing the boundaries with a clean sheet development of re-usable liquid launch vehicle, this is your opportunity! MANUFACTURING ENGINEER II / SENIOR I - FLUID SYSTEMS Based out of Rocket Lab's headquarters in Long Beach, CA the Manufacturing...

Company Description CREATIVITY IS OUR SUPERPOWER. It's our heritage and it's also our future. Because we don't just make toys. We create innovative products and experiences that inspire fans, entertain audiences and develop children through play. Mattel is at its best when every member of our team feels respected, included, and heard-when everyone can show up as themselves and do their best work every day. We value and share an infinite range of ideas and voices that evolve and broaden our perspectives with a reach that extends into all our brands, partners, and suppliers. Job Description The Opportunity: This position is a focused, technical engineering role responsible for supporting and helping to drive technical product innovation and the development of creative new product concepts into manufacturable solutions. This position also provides project support to more senior engineers acting as mentors to help gain experience. This position serves as focal point for...

Diamond Foundry Inc. is solving the thermal limitation at the foundation of today's most exciting tech industries -- AI & cloud compute, electric-car power electronics, and 5G/6G wireless. We have managed to produce the world's first single-crystal diamond wafers and are now on a mission to put a diamond behind every chip. We are the rare unicorn that has grown fast and profitably. We received $515m in funding and are executing a multi-$B expansion plan for one of the greenest forms of tech manufacturing: converting greenhouse gas into diamond wafers using zero-emission energy. Diamond Foundry is looking for a highly experienced and innovative mechanical design engineer who can lead a number of high-visibility R&D projects within the company's Reactor Development Group. This individual will be a primary owner for the design and development of Plasma-Enhanced CVD reactor equipment and other systems used in the growth and manufacture of diamond. They must have experience...

About Us At Onterris, we build careers grounded in purpose, responsibility and real-world impact. "For Planet and Progress" is our north star that guides everything we do. We believe environmental responsibility and human progress are interconnected, interwoven and international. Our scientists, engineers, field teams, consultants and professionals collaborate across disciplines and geographies, guiding industries and governments, ensuring that communities and environments thrive. When you join us, you're not just forging a career, you're joining a movement. A movement for better thinking, smarter solutions and lasting impact. Together, we will advance our way of life and protect the integrity of our environment every step of the way. A Day in the Life We are looking for a Process Controls Engineer II (PCE2) to join us in our San Diego, CA office. This role will report to the Senior Process Controls Engineer and will support the design and delivery of advanced water...

About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations. Role Summary As the Lead Chassis Engineer, you will hold cradle-to-grave accountability for vehicle programs, driving the transition from initial design through launch and into ongoing production. You will resolve complex, cross-functional chassis issues and synchronize design activities to ensure the entire team is aligned on the most optimal engineering solutions. As a strategic member of the Chassis Leadership team, you will conduct rigorous technical...

ABOUT ROCKET LAB Rocket Lab is the end-to-end space company building rockets, spacecraft, and critical subsystems that keep the world connected, protected, expand humanity's reach to the Moon, Mars, and beyond. We move fast, build real hardware for meaningful missions, and make the impossible routine. Come shape the future with us. SUPPLY CHAIN Rocket Lab's Supply Chain team is responsible for the flow of all materials, products, and components through the business. With many of our own products functioning as critical components to our own and our customers' missions, the Supply Chain team has a direct impact on the success of our rocket and satellite programs. They set up the assembly kits that enables our technicians to put together our Electron rockets, manage inventory, look after shipping and receiving, manage direct and indirect procurement, and inspect and ensure that all of our materials and products are compliant and up to standard. They are the chain that links...

About the job PCB Layout Engineer, Senior About Castelion Castelion is redefining defense development through rapid iteration, aggressive testing, and modern commercial manufacturing at scale. We design, build, and test next-generation long-range strike weapon systems to give the United States and its Allies a decisive advantage and deter future conflicts. Position Overview As a PCB Layout Engineer, you will independently own the layout and release of complex avionics printed circuit boards for hypersonic missile systems. You will partner closely with electrical, mechanical, systems, and manufacturing engineers to deliver flight-worthy hardware on aggressive schedules. This role requires strong technical judgment, the ability to drive layout decisions across analog, digital, RF, and power domains, and comfort leading fabrication and assembly partners through DFM and production readiness. You will be expected to execute with minimal oversight while contributing to...

About the job Senior Manufacturing Engineer, Radar Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantages - and we are building a team that can deliver real capability, not just concepts. This is a rare opportunity to join at an early stage, where your work will directly shape critical systems, influence major technical decisions, and have immediate, real-world impact. Senior Manufacturing Engineer - Avionics Electro-Mechanical Assembly We are seeking a Senior Manufacturing Engineer with deep expertise in the high-reliability assembly and integration of avionics and electromechanical systems for hypersonic missile vehicles. This role focuses on developing, optimizing, and scaling manufacturing processes for complex avionics hardware-including printed circuit board assemblies (PCBA), wire harnesses,...

Divergent is building the new industrial age. Every day, our teams design, manufacture, and assemble advanced systems for some of the world's most demanding industries. Our integrated engineering and manufacturing platform transforms complex designs into production-ready solutions, helping customers move faster, build smarter, and deliver critical systems when they matter most. Divergent is a qualified Tier 1 supplier to global automotive OEMs and supports leading U.S. aerospace and defense companies. Join us and help push the boundaries of what can be built. Purpose We are seeking a Senior Product Reliability Engineer to join our growing team. This role will play a critical part in ensuring the quality and reliability of our products and processes, working closely with cross-functional teams to develop innovative solutions for high-precision manufacturing. As a Product Reliability Engineer, you will lead quality control initiatives, implement continuous improvement processes,...

Attalon is a leading technology partner to the global aerospace and defense industry, specializing in the physics of light and heat. With over 500 employees in the U.S., Attalon engineers critical optical, laser, and coating technologies that enable systems to see farther, target faster, and survive the harshest environments. From high-energy directed laser systems to satellite optics and hypersonic thermal protection, Attalon equips the warfighter with the advantage of precision. Ondax Monrovia (www.ondax.com) operates as an autonomous, commercial-first unit of Attalon, specializing in the global manufacture and distribution of proprietary photonics. By utilizing its pioneering Volume Bragg Grating (VBG) technology and SureLock™ wavelength-stabilized semiconductor lasers, Monrovia supplies high-precision, cutting-edge products to rapidly expanding fields like Raman spectroscopy, bio-instrumentation, datacom, scientific research, and high-power industrial lasers. Job Details:...