82 mechanical engineer iii jobs found

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...

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...

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...

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...

Quantum Space is redefining mobility and maneuverability in space. Our high-mobility spacecraft platforms support national security, civil, and commercial missions with unmatched flexibility and propulsion capability. We build fast and iterate quickly. Who We're Looking For We are seeking a Mechanical Engineer III to lead the design and development of electric propulsion hardware and associated subsystems, from concept through flight. This role is intended for an experienced engineer who can own propulsion-related hardware, drive design decisions, and deliver flight-ready systems. You will operate at the intersection of mechanical design, thermal management, and high-performance hardware development, working closely with propulsion, systems, and test teams. Where You'll Make an Impact Own mechanical design of electric propulsion subsystems (thruster assemblies, structural interfaces, feed systems, thermal management hardware) Lead architecture and packaging trades for...

Quantum Space is redefining mobility and autonomy beyond Earth orbit. Our Ranger spacecraft deliver high delta-V and sustained on-orbit maneuverability, enabling missions across cislunar and geostationary space that were previously out of reach. We are building the vehicles, infrastructure, and operational expertise that connect and protect assets across the Earth-Moon system. Who We're Looking For We are seeking a Mechanical Engineer III to lead the design and development of electric propulsion hardware and associated subsystems, from concept through flight. This role is intended for an experienced engineer who can own propulsion-related hardware, drive design decisions, and deliver flight-ready systems. You will operate at the intersection of mechanical design, thermal management, and high-performance hardware development, working closely with propulsion, systems, and test teams. Where You'll Make an Impact Own mechanical design of electric propulsion subsystems...

About Quartus Quartus Engineering Incorporated (www.quartus.com) is a leading provider of engineering services and integrated hardware solutions for a wide range of clients and industries. We employ advanced computer-aided engineering tools in the areas of optics, structural, thermal, and coupled analyses. We couple our engineering analysis capabilities with design, prototype, integration and test capabilities to create solutions for our clients that are of extraordinary value. About Aerospace Sector Quartus is a key contributor to aerospace advancements, specializing in engineering simulation and custom hardware. We've played a vital role in a diverse range of free space, launch and spacecraft projects including the NASA James Webb Space Telescope project for 17 years, covering design, analysis, and testing. Quartus is involved in leading in-space servicing, assembly, and manufacturing (ISAM) systems. Our expertise spans aircraft structural design, analysis, and testing,...

TSC is seeking a highly motivated and skilled Mechanical Design Engineer to support our customer in Washington, DC. The ideal candidate will be a hands-on engineer with a strong background in mechanical systems and equipment, assemblies and product development. This role involves full-lifecycle engineering, from concept development and design to prototyping, testing, integration, maintenance and sustainment of advanced systems and hardware for communication systems. You will have the opportunity to work onsite alongside other engineers and professionals at various customer locations, collaborating with multi-disciplinary teams in a fast-paced and challenging environment. Responsibilities: You will have the opportunity to work with advanced equipment, tools and technologies to support both legacy and new mechanical systems across many areas of support, to include the following: Mechanical System Design & Development Design and develop robust and reliable mechanical and...

Please note that we are unable to provide visa sponsorship for this position. Recruiting agencies: Proper Voltage does not accept unsolicited candidate submissions. Please do not contact any employees directly unless you have an existing engagement with the company. About Proper Voltage Proper Voltage is unlocking the next generation of battery technology across robotics, data centers, and defense. We're building intelligent battery systems that make advanced chemistries (sodium-ion, lithium-titanate, lithium-silicon) work in products that were never designed for them. Humanoid robots can upgrade power systems without redesigning their entire platform. Data centers get safer, cheaper backup power. Drones and autonomous vehicles get higher energy density without lengthy integration cycles. If you want to work on hard engineering problems that matter this is the place. Job Overview We're looking for an experienced mechanical engineer to take ownership of...

Quantum Space is redefining mobility and maneuverability in space. Our high-mobility spacecraft platforms support national security, civil, and commercial missions with unmatched flexibility and propulsion capability. We build fast and iterate quickly. Who We're Looking For We are seeking a Senior Mechanical Engineer to own flight hardware development on our Spacecraft Programs. This role is built for an engineer who can take a subsystem/component from requirements to a released design, through build, integration, and test-while collaborating tightly with AIT and manufacturing. Senior-level expectations include independent ownership of deliverables and leadership of technical execution for meaningful scopes. Where You'll Make an Impact Own mechanical components/subsystems end-to-end: requirements, design, analysis coordination, release, and integration support Develop CAD and drawings in Creo; apply GD&T and define inspectable requirements Drive interface closure:...

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...

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...

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....