78 mechanical design engineer iii jobs found

Application close date: Applications will be accepted on an ongoing basis until the requisition is closed. At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We're working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight! The role is part of the In-Space Systems business unit, which is focused on addressing two of the most compelling challenges in spaceflight today: space infrastructure and increasing mobility on-orbit. This role is within the In-Space Systems Configuration Team, supporting Blue Ring, a high-powered hybrid solar electric and chemical-propelled spacecraft designed for unparalleled mission maneuverability, versatility, and capacity at significantly reduced costs. It provides comprehensive capabilities for maneuvering, hosting, and deploying payloads and...

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...

Voyager is an innovative defense, national security and space technology company committed to advancing and delivering transformative, mission-critical solutions. We tackle the most complex challenges to unlock new frontiers for human progress, fortify national security, and protect critical assets to lead in the race for technological and operational superiority from ground to space. Forge the Future: Join Voyager Technologies The future belongs to those who build it. At Voyager Technologies, we're building technologies that protect lives, expand frontiers and prepare us for what's next. And we're doing that with people who are wired to solve, build, adapt and lead. These roles are not for the faint of heart. You'll help lay the foundation for humanity's future. Join a culture where innovation thrives, curiosity is rewarded, and impact is real. We're a company of doers, thinkers and builders, united by purpose and grounded in reality. If you want to put your skills to...

Overview The Mechanical Engineer III position is an exciting opportunity to join PM Group's quickly growing San Francisco area team located out of Pleasanton, CA . Together we will all be sharing knowledge, learning, growing, and continuing to be an integral part of supporting PM Group's ongoing expansion in the US. Our office will be executing cutting-edge projects for Cell & Gene Therapy, Biologics, and Pharma facilities - from feasibility through to qualification - for both local and international clients. Together with our clients and partners, we will deliver projects that improve the everyday lives of people across the globe. We are looking for an Engineer who enjoys client interaction as well as the technical aspects of the position. This individual needs to have an understanding of the technical aspects of mechanical design engineering including but not limited to HVAC, plant & process utilities, plumbing, and compressed gas systems design. The ability to...

Worker Type Regular Job Description Summary The Mechanical Engineer III applies engineering techniques to design, install, modify, analyze, repair and test tools, engines, machines and other mechanically functioning equipment. Leads and supports the mechanical design, testing, and production of electrical machines as well as the design of electronics packaging for high altitude aerospace applications. Leads or supports mechanical packaging development effort for electronic equipment that withstand stringent environmental requirements (i.e., mass, volume, thermal, vibration). Manages mid-size development projects outsourced to sub-contractors (development of a system, equipment or components). Position Responsibilities Leads or supports the thermal, structural, dynamic, and fluid flow analysis efforts for electronics equipment Leads the testing and data collection in the laboratory and the field Models the mechanical devices and selects the proper material...

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. As a Design Engineer III you will be responsible for; • Leads conceptual and detailed design of aerospace structures, mechanisms, and mechanical systems...

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...

Electrical Engineer III (Mission Critical & Building Systems) Company Name: DFW Consulting Group Location: Dallas-Fort Worth, TX Industry Focus: Mission Critical, Telecommunications, Commercial, Government, & Building Systems Engineering Work Setting: Hybrid | Office & Field Collaboration Salary: $120,000 - $155,000 + Bonus Potential + Comprehensive Benefits Recruited Exclusively By: Luxus | AEC Talent Partners Position Overview This is a role for an electrical engineer who wants to operate beyond production work and step into technical leadership. As an Electrical Engineer III, you will lead the design and coordination of sophisticated electrical systems across mission critical, telecommunications, commercial, and government projects. From early system planning through construction administration, you'll play a central role in ensuring projects are technically sound, coordinated, and delivered to the highest engineering standards. The firm operates...

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 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,...

Job Description The Project Engineer (ME-III) has mastery of at least one core engineering principle and advanced knowledge of related engineering fields. The Project Engineer independently directs and technically manages engineering and design activities under the guidance of a Project Manager, and is responsible for tracking progress and technical adequacy of the design solution. The Project Engineer interacts with all OTECH departments as necessary to provide engineering support to OTECH manufacturing, integration, and test activities, and provides work leadership for lower level employees. Experience in maritime and/or subsea engineering is highly desired. Responsibilities ESSENTIAL Develop and apply advanced engineering analytical and design methods, theories and research techniques, to complex engineering projects. Coordinate and supervise an interdisciplinary design team of engineers, designers, drafters, technical writers, and technicians. Review progress and...

About Us At ENFRA, we blend a rich history with a forward-looking vision. With over 100 years of experience, we are a pillar of stability in the energy infrastructure industry and a leader in innovative energy solutions. Our commitment to leveraging emerging technologies ensures that we remain at the forefront of the Energy-as-a-Service sector. We believe in growth-not just for our business, but for our people. Our team members have the opportunity to advance their careers in a supportive environment that values continuous learning and development. We embrace innovation and encourage creative problem solving to tackle the energy infrastructure and energy challenges of tomorrow. Inclusion is at the heart of our culture. We strive to create a workplace where every voice is heard and valued, fostering a collaborative environment where diverse perspectives drive our success. Join us to be part of a legacy of excellence and a future of groundbreaking advancements. At ENFRA,...

Job Description I. Job Summary The Director, Corporate Engineering provides strategic and operational leadership for the company's engineering function across landfill operations, renewable energy assets, and environmental compliance initiatives. This role is responsible for developing engineering standards, leading capital project planning, driving operational excellence, and ensuring engineering activities support the company's safety, sustainability, regulatory, and financial objectives. The Director partners closely with Operations, Environmental Compliance, Sustainability, Renewable Energy, Fleet, Finance, Procurement, Legal and senior leadership teams to deliver complex capital projects, improve asset reliability, optimize operating performance, and support long-term business growth. II. Essential Duties and Responsibilities Management of the monthly processes associated with Landfill Capital projects submitted for review at WM investment committee meetings....

Job Description The Project Engineer (ME-III) has mastery of at least one core engineering principle and advanced knowledge of related engineering fields. The Project Engineer independently directs and technically manages engineering and design activities under the guidance of a Project Manager, and is responsible for tracking progress and technical adequacy of the design solution. The Project Engineer interacts with all OTECH departments as necessary to provide engineering support to OTECH manufacturing, integration, and test activities, and provides work leadership for lower level employees. Experience in maritime and/or subsea engineering is highly desired. Responsibilities ESSENTIAL Develop and apply advanced engineering analytical and design methods, theories and research techniques, to complex engineering projects. Coordinate and supervise an interdisciplinary design team of engineers, designers, drafters, technical writers, and technicians. Review progress and...

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...

JOB DESCRIPTION Mechanical Engineer III Axcelis is seeking a Mechanical Engineer I to support the design and development of critical hardware for next-generation semiconductor capital equipment. In this role, you will work as part of a multidisciplinary engineering team to develop mechanical components, assemblies, and subsystems that contribute to the performance, reliability, and manufacturability of advanced ion implantation systems. This position offers the opportunity to work on complex electromechanical systems while building core engineering skills through hands-on design, testing, analysis, and collaboration with experienced engineers. Role Focus and Impact Support the design, development, and validation of mechanical components and subsystems Apply engineering fundamentals to solve technical challenges and improve product performance Contribute to projects that impact system reliability, throughput, and manufacturability Develop technical expertise through...

Cresilon ® is a Brooklyn-based biotechnology and medical device company that develops, manufactures, and markets hemostatic products, driven by a singular mission: to save lives . Powered by proprietary plant-based hydrogel technology, Cresilon's products are redefining the standard of care by stopping bleeding in seconds across diverse patients, procedures, and care settings. The company's current commercial portfolio includes TRAUMAGEL® for human trauma and VETIGEL® for veterinary applications, with planned expansion into human surgical applications and beyond. Learn more at www.cresilon.com Description: The Senior Medical Device R&D Engineer is responsible for leading the design and development activities of new products and improving existing products in compliance with all quality and regulatory requirements. They will be responsible for authoring technical documents for the development of medical devices and combination products according to relevant Design Control...

Trueline, an established Northern California design-build electrical contractor with a dedicated in-house engineering team, is seeking an Electrical Power Engineer to join their team in Fremont, California. This role offers the opportunity to design commercial and industrial electrical systems, support projects from concept through construction, and work closely with project managers, estimators, field teams, clients, and experienced engineering leaders. What You'll Do as the Electrical Power Engineer: Design electrical power distribution systems for commercial and industrial building projects Prepare construction drawings, specifications, and engineering calculations Perform load calculations and size electrical equipment Develop single-line diagrams, panel schedules, and distribution plans Design lighting systems, lighting controls, and equipment power connections Design emergency power, generator, and uninterruptible power supply systems Perform short circuit,...

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 Mechanical Design Engineer in the Mission Engineering team, you will primarily own...

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 Team As a Senior Manufacturing Engineer - Fabrication at Antares, you will own the...