204 jobs found in El Segundo, CA

Company Overview At Arbor, we're creating technology to power our lives while protecting the planet that sustains them. Our advanced power systems deliver clean, reliable baseload electricity with zero operating emissions-modular, fuel-flexible, and engineered for the realities of today's energy demand. At the core is a supercritical CO₂ turbine with integrated carbon capture, designed to bring carbon-neutral power online quickly at meaningful scale. Our team includes aerospace engineers, combustion experts, and systems thinkers with a shared goal: to build technology worthy of the world we want to live in. While many of us began our journeys looking to the stars, we're applying that expertise here at home to deliver dependable, emission-free baseload power and a future of lasting abundance. If you're drawn to rigorous work with lasting impact, we'd love to hear from you. Come build what the future will run on. The Position The Mechanical Design Engineer for our...

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,...

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...

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers, thought leaders, and innovators. Join us and take your place in space. The Systems Engineering Division (SED) provides unmatched experience in systems engineering to the U.S. government and to numerous public and private agencies, universities, nonprofit organizations, consortia, and commercial companies involved in the advanced application of space technology. From systems architecture development to system analysis and optimization, astrodynamics, orbital debris, navigation, failure...

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 Structural Engineer Radiant is seeking a highly motivated Senior Structural Engineer to design and develop critical structures...

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...

Overview This position description is subject to change at any time as needed to meet the requirements of the program or company. Working across the globe, V2X builds smart solutions designed to integrate physical and digital infrastructure from base to battlefield. We bring 120 years of successful mission support to improve security, streamline logistics, and enhance readiness. Aligned around a shared purpose, our $3.9B company and 16,000 people work alongside our clients, here and abroad, to tackle their most complex challenges with integrity, respect, responsibility, and professionalism. As a Senior Wireless Engineer, you will provide technical leadership and expert-level engineering support for the planning, design, implementation, and sustainment of secure wireless network systems. This role plays a critical part in delivering mission-ready wireless infrastructure that supports enterprise mobility, smart base initiatives, and high-availability communications. This...

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 Structures Engineer Radiant is seeking a highly motivated Senior Structures Engineer to design and develop critical structures...

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 Mechanisms Engineer Radiant is seeking a highly motivated Senior Mechanisms Engineer to design and develop critical mechanisms...

Aerospace & Defense startup currently in Stealth based in El Segundo, made up of former SpaceX, Tesla, Anduril, and Lockheed engineers, applying the SpaceX model to 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're seeking a talented and experienced engineering leader to head our solid rocket propulsion division. This will be a hands-on role responsible for solid rocket motor development from concept through flight qualification and into high rate production. A critical component of this leadership role is the technical mentorship and development of talented young engineers. Singularity is a fast growing stealth startup, and this role includes a significant equity opportunity. Solid rocket motor production is at a historic low point in the United States, while demand, especially for air defense munitions, is near an all...

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're seeking talented and highly motivated senior level solid rocket propulsion engineers. This will be a hands-on role doing solid rocket motor development from concept through to flight qualification. You will be responsible for designing components of the rocket motor. Solid rocket motor development and supply chain is at a historically low point in the United States critically blocking the development of more capable and affordable systems for the DoD and our allies; execution in this role will directly result in lives saved around the world. Key responsibilities: Engineers will be responsible...

Aerospace & Defense startup currently in Stealth based in El Segundo, made up of former SpaceX, Anduril, and Lockheed engineers, applying the SpaceX model to 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 starting with Ukraine where the need is critical. Job Overview: We're seeking talented and highly motivated senior level solid rocket propulsion engineers. This will be a hands-on role doing solid rocket motor development from concept through to flight qualification. This is a full time + role at a fast growing stealth startup with a significant equity opportunity. Solid rocket motor development and supply chain is at a historically low point in the United States critically blocking the development of more capable and affordable systems for the DoD and our allies; execution in this role will directly result in lives saved around the...

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...

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...

Aerospace & Defense startup currently in Stealth based in El Segundo, made up of former SpaceX, Anduril, and Lockheed engineers, applying the SpaceX model to 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're seeking talented and highly motivated Lead Propulsion Engineer. This will be a hands-on role doing solid rocket motor development from concept through to flight qualification. This is a full time role at a fast growing stealth startup with a significant equity opportunity. Solid rocket motor development and supply chain is at a historically low point in the United States critically blocking the development of more capable and affordable systems for the DoD and our allies; execution in this role will directly result in lives saved around the world. Key responsibilities: Engineer will be responsible for...

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 seeking a detail-oriented and innovative Manufacturing Engineer to join our operations team. This role is responsible for developing, optimizing, and maintaining manufacturing processes that enable efficient, high-quality, and cost-effective production. The ideal candidate combines a strong engineering foundation with hands-on experience in factory operations, tooling, automation, and lean manufacturing practices. Key Responsibilities Process Design & Optimization Design, implement, and refine manufacturing processes for new and existing products. Analyze production workflows and identify areas for improvement to reduce waste, cost, and downtime. Develop and document process parameters,...

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...

About Varda Low Earth orbit is open for business . Varda is accelerating the development of commercial space infrastructure, from in-orbit pharmaceutical processing to reliable and economical reentry capsules. From life-saving pharmaceuticals to more powerful fiber optics, there is a world of products used on Earth today that can only be manufactured in space. Varda is accelerating innovation in the orbital economy by creating both the products and infrastructure needed so space can directly benefit life on Earth. Our mission is to expand the economic bounds of humankind. Our team is uniquely suited to accomplishing this goal, with leadership and staff comprised of veterans from SpaceX, Blue Origin, major pharmaceutical companies and Silicon Valley. Varda was founded in January 2021 by Will Bruey and Delian Asparouhov with significant backing from world class investors including Khosla Ventures, Lux Capital, Founders Fund, Caffeinated Capital, General Catalyst, and Also...

Turning Space into a Transportation Layer for Earth Who We Are: Eras of humanity can often be defined by a dominant transportation mode - horse drawn chariots, ocean going boats, or aircraft. These were spurred by a small group of people rigorously focused on building technology to achieve faster access to more of the world. We seek to usher in a new era of humanity defined by universal access to the whole globe free of borders and the presence of a routine way from space to Earth. To do this, we are building highly maneuverable re-entry vehicles that can loiter in orbit before precision landing back on Earth. What You'll Do: As a Parachute Engineer at Inversion, you will play a critical role in the design, functionality, and performance of our next-generation reentry vehicles. This is a unique opportunity to work on the early stages of vehicle design, including defining vehicle architecture and creatively solving new design challenges. You will be a key member of the...