54 mechanical engineer jobs found in El Segundo, CA

Radiant is an El Segundo, CA-based startup building the world's first mass-produced, portable nuclear microreactors. The company's first reactor, Kaleidos, is a 1-megawatt failsafe microreactor that can be transported anywhere power is needed and run for up to five years without the need to refuel. Portable nuclear power with rapid deploy capability can replace similar-sized diesel generators, and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant's unique, practical approach to nuclear development utilizes modern software engineering to rapidly achieve safe, factory-built microreactors that leverage existing, well-qualified materials. Founded in 2020, Radiant is on track to test its first reactor next year at the Idaho National Laboratory, with initial customer deliveries beginning in 2028. Mechanical Engineer Radiant is seeking a highly motivated Mechanical Engineer to join the team responsible for the design, development, and...

CX2 is a next-generation defense technology company founded to deliver spectrum dominance for the United States and our allies. CX2's AI-enabled hardware and software platforms detect, disrupt and defend the electromagnetic spectrum across land, air, sea and space domains. We are looking for a talented and experienced Mechanical Engineer with a minimum of 2 years in the aerospace and defense industry. This individual will be responsible for the design, development, testing, and integration of mechanical systems and components for various aerospace platforms, including aircraft, space systems, and defense applications. This is a hands-on engineering role in a multidisciplinary environment that values innovation, precision, and reliability. This position is based at our El Segundo, CA headquarters and requires an onsite presence. Key Responsibilities Design & Development o Lead the mechanical design of complex components and subsystems including structural frames,...

Radiant is an El Segundo, CA-based startup building the world's first mass-produced, portable nuclear microreactors. The company's first reactor, Kaleidos, is a 1-megawatt failsafe microreactor that can be transported anywhere power is needed and run for up to five years without the need to refuel. Portable nuclear power with rapid deploy capability can replace similar-sized diesel generators, and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant's unique, practical approach to nuclear development utilizes modern software engineering to rapidly achieve safe, factory-built microreactors that leverage existing, well-qualified materials. Founded in 2020, Radiant is on track to test its first reactor next year at the Idaho National Laboratory, with initial customer deliveries beginning in 2028. Senior Mechanical Engineer (Structures) Radiant is seeking a highly motivated Senior Mechanical Engineer to design and develop critical...

Radiant is an El Segundo, CA-based startup building the world's first mass-produced, portable nuclear microreactors. The company's first reactor, Kaleidos, is a 1-megawatt failsafe microreactor that can be transported anywhere power is needed and run for up to five years without the need to refuel. Portable nuclear power with rapid deploy capability can replace similar-sized diesel generators, and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant's unique, practical approach to nuclear development utilizes modern software engineering to rapidly achieve safe, factory-built microreactors that leverage existing, well-qualified materials. Founded in 2020, Radiant is on track to test its first reactor next year at the Idaho National Laboratory, with initial customer deliveries beginning in 2028. Senior Mechanical Engineer (Sheet Metal Structures) Radiant is seeking a highly motivated Senior Mechanical Engineer to design and develop...

Radiant is an El Segundo, CA-based startup building the world's first mass-produced, portable nuclear microreactors. The company's first reactor, Kaleidos, is a 1-megawatt failsafe microreactor that can be transported anywhere power is needed and run for up to five years without the need to refuel. Portable nuclear power with rapid deploy capability can replace similar-sized diesel generators, and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant's unique, practical approach to nuclear development utilizes modern software engineering to rapidly achieve safe, factory-built microreactors that leverage existing, well-qualified materials. Founded in 2020, Radiant is on track to test its first reactor next year at the Idaho National Laboratory, with initial customer deliveries beginning in 2028. Mechanical Engineer - Turbomachinery Radiant is seeking a highly motivated engineer to join the team responsible for the power generation...

Who we are Neros is a defense technology company rebuilding America's drone industrial base. We design and manufacture high-performance unmanned systems that are tested in combat, iterated at startup speed, and built at massive scale. Our team culture is fast, hands-on, and obsessed with closing the gap between design and deployment. As drones transform the character of warfare, Neros is delivering the systems the West needs to compete on the modern battlefield and deter the adversaries of democracy. We're hiring engineers, operators, and builders who want to move fast, take on extreme ownership, and get capability into the hands of warfighters in months, not years. What you will be doing As a Senior Mechanical Engineer at Neros, you will own key components and subsystems within our products, starting from the conceptual design phase all the way through mass production. This is a dynamic and exciting role at a rapidly growing startup and presents an opportunity to be a...

Job Summary: This position is focused on the mechanical design, development, and manufacturing of stationary and mobile antenna systems and related equipment. Essential Job Duties and Responsibilities: Work as part of multiple integrated product teams. In some cases, will be lead mechanical engineer on a team, while in others, will be in a support and/or advisory role Perform hands-on design and analysis, and mentor junior engineers Prepare and present design and analysis material during internal and customer design reviews Prepare detailed product manufacturing documentation such as test procedures and assembly instructions Support component and antenna system level environmental testing Interface with ThinKom production personnel and outside suppliers during manufacturing phase of programs Support business development activities by providing input for proposals Skills and/or Experience Needed: BS in Mechanical or Aerospace Engineering 5+ years of experience in the...

Who We Are PAE is an engineering and design firm that turns complex challenges into reality. By leveraging the latest technologies, we solve problems in unique ways, and our designs enable buildings and communities to be more resilient and efficient. PAE is trusted by our clients in every aspect of a project's lifespan, from idea to occupancy. We set ambitious goals backed by analysis to significantly conserve water and energy while balancing costs and long-term operational needs. As a B Corp, we measure success by the benefits our projects provide to our clients, our communities, and our planet. We embrace innovation, transparency, sustainability, and lifelong curiosity. PAE is looking for a Senior Mechanical Engineer - Sr. Project Manager to lead complex projects. In this role, you will oversee design and delivery of critical HVAC and building systems for a variety of projects including healthcare facilities, residential, commercial, aviation, and many others. You'll...

About the job Mechanical Engineer About Castelion Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale. We're designing, building, and testing next generation long range strike weapons systems to give America and its Allies a definitive edge and deter future conflicts. Mechanical Engineer Castelion is seeking a hands-on, high-agency Mechanical Engineer excited to take ownership of real flight hardware and grow alongside a fast-moving team. You will work on the design, fabrication, and integration of critical flight structures and mechanisms across Castelion's hypersonic vehicles. This role is ideal for someone who thrives in fast-paced environments, learns quickly, and wants to see their work go from concept to flight in weeks-not years. You'll be empowered to take on meaningful responsibilities...

Company Description We are seeking an experienced Senior Mechanical Engineer to become a vital part of our innovative team. Your role will encompass all phases of our production processes, including research and design, manufacturing, installation, and assessment. To excel as a Senior Mechanical Engineer, you should possess a high degree of creativity and the capability to develop groundbreaking solutions for our client's challenges. The ideal candidate will also be skilled at clearly conveying their technical concepts, both visually and verbally. Job Description Development of complex systems with interaction across multiple engineering disciplines Advanced knowledge/skills in CAD modeling using a major software package (e.g., SolidWorks, ProE, UG-NX, or CATIA V5) Reading and interpreting engineering specifications Development and/or editing top level system architecture Structural design, analysis, and optimization Generate detailed design and technical drawings of...

Description General Position Summary Performs a variety of system design work for medical devices from concept to production. This includes all the related engineering analysis to assure functionality and robustness. Essential Job Functions Engineering Activities Designs large and complex product subsystem alongside senior engineers and other product subsystems independently. Controls Engineering Changes and prepares required documentation for Agile release. Works in cross-functional team focused on mechanical, electrical and software design. Develops proof-of-principle hardware to verify concepts prior to prototyping. Prepares project timeline and task lists and hardware costing for assigned projects. Document designs through applicable dimensioning and tolerancing. Analyzes experimental results and draws relevant conclusions based on data findings. Drafts notebook studies, verification and validation reports. Troubleshoots products in manufacturing as needed....

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 In this position, you'll work within Rivian's Charging organization to take ideas from conceptualization to off-tool parts, production, and beyond. You'll be responsible for the mechanical design, CAD, DFM, prototyping, and testing success. You'll be working directly with our electrical and engineering teams, product managers, program managers, supply chain, manufacturing, and charging leadership on the next generation of Rivian chargers. The...

About the Company: Aerospace & Defense startup currently in Stealth based in El Segundo, made up of former SpaceX, Anduril, and Lockheed engineers, to develop and mass produce life-saving systems. Backed by joint staff level military leadership and several major SV firms, their first product is designed for immediate deployment around the world. Job Overview: We are seeking a skilled mechanical design engineer with a strong design and testing background. You will design , prototype, analyze, and test complex vehicle components and systems for aerospace rocket/missile systems. You will own system components, subassemblies, architecture, and products from conception through to integrated testing and manufacture and be responsible for performance by executing analysis and environmental testing. Key Responsibilities : Own the design and development of next generation structures, mechanisms, and electromechanical hardware Perform hand calculations...

Company Description We are a creative full-services company that offers design, branding, and manufacturing. Our core team is made up of beauty packaging industry veterans. While beauty is our core area that we are focusing on right now, we are also expanding to other areas such as lifestyle products, merchandise, etc. We have in-house designers and engineers as well as a sales and pm team and logistic services. We are looking for a Mechanical/Design Engineer to join our clients' growing organization in Santa Monica, CA. If you are passionate about lifestyle consumer products, beauty, apparel, etc. and you want to be part of an exciting start-up - we want to talk to you! Job Description As a Mechanical Design Engineer, you will be responsible for creating, designing, and improving mechanical systems, components, and products. You will play a key role in the product development process, ensuring that our products meet high quality standards that are reliable, and perform...

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 In this position, you will be developing electrical vehicle products directly related to high voltage and low voltage electronics from the concept to production launch. During the development and launch phases, you will be working with multiple cross functional teams, suppliers, and production integrators. The position requires to travel to Rivian plant(s) to support the production launch and ramp-ups, and will report directly to the Director of...

Who We Are We are a firm that values and respects our staff, fosters an environment that encourages learning and growth, and is committed to the success of our clients. At PAE, we like to think of ourselves as a little bit different from most engineering firms. Here's why: We care intensely about envisioning and creating sustainable building systems and work every day to break new ground in the world of sustainable design. We have a close affinity to the visions of the architects we work with; we understand the need for beauty as well as practicality. We value creativity as much as we value precision. We understand that the visionary people we want to hire need to experience the world in order to change the world, and we work hard to support that need. About The Program Our internship program provides hands-on experience in sustainable engineering design. The 10 to 12 week paid program gives interns the opportunity to learn about the building design industry...

CMTA (formerly AMA Group), a Legence company CMTA is one of the fastest-growing engineering firms in the U.S., known for sustainable, high-performance building systems and complex MEP/FP delivery. Through AMA's design expertise in media, broadcast, and production facilities-and CMTA's national portfolio in education, healthcare, and zero-energy projects-we pair deep technical craft with an innovative, collaborative culture that accelerates careers. CMTA, formerly known as AMA Group, is seeking a Senior Project Engineer - Electrical, who will be responsible for designing electrical systems on a range of both small and large projects. This is a hands-on role that will be given the opportunity to lead projects and represent AMA in all interactions with clients, contractors, architects, and other project team members. In this role, the Senior Project Engineer will receive guidance and mentorship from Senior Engineers and will be trained to become a Project Manager. Key...

Radiant is an El Segundo, CA-based startup building the world's first mass-produced, portable nuclear microreactors. The company's first reactor, Kaleidos, is a 1-megawatt failsafe microreactor that can be transported anywhere power is needed and run for up to five years without the need to refuel. Portable nuclear power with rapid deploy capability can replace similar-sized diesel generators, and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant's unique, practical approach to nuclear development utilizes modern software engineering to rapidly achieve safe, factory-built microreactors that leverage existing, well-qualified materials. Founded in 2020, Radiant is on track to test its first reactor next year at the Idaho National Laboratory, with initial customer deliveries beginning in 2028. Senior Structural Engineer Radiant is seeking a highly motivated Senior Structural Engineer to design and develop critical structures...