191 senior 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. 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...

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...

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...

Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is looking for a Senior Mechanical Engineer - Ground Systems (MGSE) to join our team and help...

At Vast, our mission is to contribute to a future where billions of people are living and thriving in space. We are building artificial gravity space stations, allowing long-term stays in space without the adverse effects of zero-gravity. Our initial crewed space habitat will be Haven-1, scheduled to be the world's first commercial space station when it launches into low earth orbit in May 2026. Our team is all-in , committed to executing our mission safely and on time. If you want to work with the most talented people on Earth furthering space exploration for humanity, come join us. Vast is looking for a Senior Mechanical Engineer, Structures , reporting to the Manager, Structures Design , to support the development of the systems that will be required for the design and build of artificial-gravity human-rated space stations. The Structures and Dynamics team covers a wide range of components and responsibilities: from the primary pressure hull, to MMOD shielding, engineered...

Job Summary: The Senior Mechanical Engineer is responsible for the overall evaluation, design, research, building, testing, and improving of mechanical and electrical systems. Responsibilities include using CAD software and other technical tools and processes to produce detailed designs, collaborating with other professionals and functions to ensure designs are successful, and ensuring all projects remain within budgetary and time constraints. Duties and Responsibilities: Collaborate with clients and other team members to determine project scope. Collaborate with internal teams to create design sketches, layouts, and plans. Use computer-assisted design (CAD) software to create preliminary and detailed drawings of the product. Study the test data and make comparisons with similar designs. Perform building system analysis and design. Apply mechanical engineering theory and adhere to codes. Address conditions and challenges encountered at job sites. Ensure plans and...

Harris Group thrives on providing expert engineering for some of today's most complex challenges. We are creative in our approach by delivering multi-discipline services across a wide range of project types. Our successes are directly related to high-quality collaboration, across all offices, expertise, and backgrounds. Harris Group is a 100% Employee-Owned company with our eyes focused on the people in the company, the clients we serve, and the communities in which we live. Harris Group is looking for a Senior Mechanical Engineer to be based in our Thousand Oaks, CA office. This role is responsible for providing professional engineering expertise to our projects that seek to positively impact both the community and the environment. The incumbent will work on innovative designs and see diverse projects through development, detailed design, commissioning, and construction support. What We Can Offer You Variety of project types: Life Science, Industrial Manufacturing, Biofuels,...

Job details Domain Research, design and development Job field / Job profile Mechanics - Mechanical part or subassembly design Job title Senior Mechanical Engineer Employment type Permanent Professional category Professional, Engineer & Manager Part time / Full time Full-time Job description For us, working at Safran is more than just a job; it's a passion. There's the unique opportunity to lead the way in aerospace and defense and contribute to creating a safer and more sustainable world. Job Summary The Mechanical Engineer is a key member of a cross-disciplinary team driving the design, development and execution of the pilot control, actuation systems and cockpit solutions program for the next generation of military and commercial aircraft. The Mechanical Engineer works on the development of new products, and the improvement and sustainment of existing products. Engineering duties will span the entire product lifecycle, from initial design and...

At Turion Space, we're building spacecraft to secure Earth and expand humanity's reach beyond it. As part of our Mechanical Engineering team, you'll help design and build the satellites and mechanisms that make our missions possible. As a Senior Mechanical Engineer , you'll work across the full development lifecycle from early concept and detailed design through analysis, fabrication, integration, and testing. You'll collaborate closely with a multidisciplinary team to deliver flight hardware that is robust, reliable, and ready for space. This role is on site at our Irvine, CA HQ. Key Responsibilities Design metallic structures and propulsion fluid systems under accelerated timelines Review specifications and other engineering data to develop mechanical systems Update designs and drawings through engineering change orders to support our rapid pace of design iteration Create detailed component and assembly drawings incorporating an understanding of GD&T and...

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...

Overview Keysight is on the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15,000 employees create world-class solutions in communications, 5G, automotive, energy, quantum, aerospace, defense, and semiconductor markets for customers in over 100 countries. Learn more about what we do. Our award-winning culture embraces a bold vision of where technology can take us and a passion for tackling challenging problems with industry-first solutions. We believe that when people feel a sense of belonging, they can be more creative, innovative, and thrive at all points in their careers. Responsibilities Mechanical and system development from concept to production. Perform design and necessary analysis, develop and execute validation test plans. Collaborate with cross-functional teams (eg, development, product management, inside and outside manufacturing)....

Job Description General Job Description: This position is responsible for independently delivering engineering services, from conceptual design through construction completion. Essential Duties & Responsibilities Expert in project planning, coordination, and execution Independently complete conceptual design through construction drawing development for large complex project or multiple projects simultaneously Create conceptual designs certified to Building Codes, Energy Codes, and LEED standards Responsible for calculations, design and layout of equipment, duct and piping systems on assigned projects Appropriate engagement of engineering applications and/or managers in project decisions Extensive experience in applications engineering including psychrometrics, refrigeration, acoustics, and controls systems Proactively communicate and coordinate project designs with Project Management, Construction and Service departments, Controls, and other trade...

ABOUT ROCKET LAB Rocket Lab is an end-to-end space company delivering responsive launch services, complete spacecraft design and manufacturing, payloads, satellite components, and more - all with the goal of opening access space. The rockets and satellites we build, and launch enable some of the most ambitious and vital space missions globally, supporting scientific exploration, Earth observation and missions to combat climate change, national security, and exciting new technology demonstrations. Our Electron rocket has become the second most frequently launched U.S. rocket annually and has delivered more than 230 satellites to orbit, all while we work to develop Neutron, our upcoming medium-lift, reusable launch vehicle for larger constellation deployment. Our Space Systems business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used...

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 Simi Valley. Projects range in scale and complexity, from rapid R&D initiatives to fully integrated, high-throughput production equipment. You will work directly with customers to define requirements and collaborate with a multidisciplinary engineering team to deliver robust, high-performance automation solutions. With a competitive salary ranging from $120,000 to $140,000, this role rewards your expertise while encouraging both personal and professional growth. ATC Automation offers a comprehensive benefits package, including Medical, Dental, Vision, 401(k), Life Insurance, Health Savings Account, Flexible Spending Account, and Paid Time Off. If you are passionate...

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...

At Vast, our mission is to contribute to a future where billions of people are living and thriving in space. We are building artificial gravity space stations, allowing long-term stays in space without the adverse effects of zero-gravity. Our initial crewed space habitat will be Haven-1, scheduled to be the world's first commercial space station when it launches into low-Earth orbit in 2026. It is part of our stepping stone approach to continuous human presence in LEO. Our team is all-in, committed to executing our mission safely and on time. If you want to work with the most talented people on Earth furthering space exploration for humanity, come join us. Vast is looking for a Mechanical Engineer reporting to Manager, Structures Design, to support the development of the systems that will be required for the design and build of artificial-gravity human-rated space stations. TheStructures and Dynamicsteam covers a wide range of components and responsibilities: from the primary...

At Vast, our mission is to contribute to a future where billions of people are living and thriving in space. We are building artificial gravity space stations, allowing long-term stays in space without the adverse effects of zero-gravity. Our initial crewed space habitat will be Haven-1, scheduled to be the world's first commercial space station when it launches into low earth orbit in May 2026. Our team is all-in , committed to executing our mission safely and on time. If you want to work with the most talented people on Earth furthering space exploration for humanity, come join us. Vast is looking for a Mechanical Engineer , reporting to the Principal Power Systems Engineer, to own the mechanical design and structural performance of key components within the solar array system-including hinges, deployment mechanisms, primary/secondary structural elements for Haven-2. You will be responsible for ensuring reliable deployment and integration with the overall space station...

Caltech is a world-renowned science and engineering institute that marshals some of the world's brightest minds and most innovative tools to address fundamental scientific questions. We thrive on finding and cultivating talented people who are passionate about what they do. Join us and be a part of the diverse Caltech community. About the Caltech Facilities Planning, Design & Construction Department The Planning, Design and Construction team takes great pride in serving Caltech by delivering the built environment required to support the needs of the institute. Our team of seasoned industry professionals sincerely values working closely with the campus to define project requirements and design and deliver successful projects. Our roles cover the project life cycle, ranging from in-house planning and design, space management, project and construction management, construction inspection to specialized procurement expertise. Our goal is to provide Caltech with world-class...