20 systems engineer jobs found in El Segundo, CA

About the Company: We are a stealth-mode Aerospace & Defense startup headquartered in El Segundo, CA. Our founding team hails from SpaceX, Anduril, and Lockheed Martin, and we are backed by Joint Staff-level military leadership and several Silicon Valley firms. With a world-class business development & leadership team already in place, we are well positioned to capitalize on already overwhelming demand. 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. This role will be design high production parts for complex aerospace 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. Responsibilities: Take...

Mechanical Engineer Our Mechanical Engineering team is looking to add an experienced team member to our group of talented engineers. The Mechanical Engineer is a technical expert and high-level engineer who experienced in healthcare, responsible for technical execution, design leadership, and interdisciplinary coordination of complex mechanical systems. About HED We are a team that is full of ideas, experience, creativity, passionate opinions, insatiable curiosity, uncompromising integrity, commitment, and skill. Our culture is about aspiration, embracing change and challenges, listening to (and learning from) each other, encouraging continual learning, and inspiring collective growth. As an inclusive, integrated architecture and engineering practice, we value the diversity of perspectives, experiences, abilities, and expertise that advance both the work we do, and the world we share. Position Summary This role manages major portions of mechanical and plumbing scopes,...

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 - AV , who will be responsible for developing audiovisual (AV) design requirements on various projects. This is a hands-on role that offers an opportunity to be part of a growing, industry-leading team under the guidance and mentorship of Senior Engineers. Key Responsibilities: Ability to develop audiovisual design requirements by meeting with and discussing clients' requirements while working with the internal design team Design and coordinate with...

Senior Mechanical Engineer (Structures) Radiant is seeking a highly motivated Senior Mechanical Engineer to design and develop critical structures within Kaleidos. You will solve unique challenges creating efficient and reliable structures that facilitate fission while surviving extreme temperature environments and meeting volumetric constraints. You will be responsible for the following: trade studies, material selection, detailed structural analysis, assembly, integration, and testing. You will have an instrumental impact of fueling the first new commercial reactor design in over 50 years by 2026. Responsibilities & Duties : Ownership of critical structures such as mass-efficient transportable shielding systems, container system, and high temperature graphite and metallic systems. Conduct trade studies and develop designs to meet program requirements. Perform detailed thermomechanical analysis (static strength, durability/fatigue) and dynamic analysis (vibration,...

Senior Structures Engineer Radiant is seeking a highly motivated Senior Structures Engineer to design and develop critical structures within Kaleidos. You will solve unique challenges creating efficient and reliable structures that facilitate fission while surviving extreme temperature environments and meeting volumetric constraints. You will be responsible for the following: trade studies, material selection, detailed structural analysis, assembly, integration, and testing. You will have an instrumental impact of fueling the first new commercial reactor design in over 50 years by 2026. Responsibilities & Duties : Ownership of critical structures such as mass-efficient transportable shielding systems, container system, and high temperature graphite and metallic systems. Conduct trade studies and develop designs to meet program requirements. Perform detailed thermomechanical analysis (static strength, durability/fatigue) and dynamic analysis (vibration, shock) to...

Mechanical Engineer Radiant is seeking a highly motivated Mechanical Engineer to join the team responsible for the design, development, and integration of critical mechanical systems for our Kaleidos product. This role involves hands-on mechanical design and analysis of complex hardware operating in demanding environments. The ideal candidate has strong first-principles understanding of structures, materials, fluids, and thermodynamics, and enjoys taking designs from concept through testing and production. Hands-on engineering experience through internships, co-op programs, research projects, or team-based design competitions (e.g., SAE, ASME, Formula SAE) is a strong advantage. Responsibilities and Duties Design, build, and test mechanical components and systems supporting Radiant's power generation and cooling platforms. Develop detailed mechanical designs for components and assemblies, including structural parts, housings, rotating or moving elements, and interfaces....

Senior Mechanisms Engineer Radiant is seeking a highly motivated Senior Mechanisms Engineer to design and develop critical mechanisms within Kaleidos. You will solve unique challenges creating efficient and reliable mechanisms that control reactivity or actuate critical safety features. You will be responsible for the following: trade studies, material selection, detailed structural analysis, assembly, integration, and testing. You will have an instrumental impact of fueling the first new commercial reactor design in over 50 years by 2026. Responsibilities & Duties : Ownership of critical mechanisms such as the control blade actuator or air jacket valves. Conduct trade studies and develop designs to meet program requirements. Perform detailed thermomechanical analysis (static strength, durability/fatigue) and kinematic analysis to determine structural integrity and performance margins using both hand calculations and finite element tools. Develop and execute...

Mechanical Engineer - Turbomachinery Radiant is seeking a highly motivated engineer to join the team responsible for the power generation and primary cooling turbomachinery of our Kaleidos product. This role involves performing the mechanical design and analysis of high-speed rotating machinery including compressors, turbines, and pumps for high-temperature applications. The ideal candidate should have strong first principles in structures, fluids, and thermodynamics. Hands-on engineering experience through internships, co-op programs, research projects, or team-based design competitions (e.g., SAE, ASME, Formula SAE) is a strong advantage. Responsibilities and Duties: Design, build, and test turbomachinery for Radiant's power generation systems. Develop detailed mechanical designs for turbomachinery components, including rotors, stators, housings, and seals. Perform static and dynamic structural analyses using hand calculations and FEA tools (ANSYS, Abaqus, or...

Senior Mechanical Engineer (Sheet Metal Structures) Radiant is seeking a highly motivated Senior Mechanical Engineer to design and develop critical structures within Kaleidos. You will solve unique challenges creating efficient and reliable structures that facilitate fission while surviving extreme temperature environments and meeting volumetric constraints. You will be responsible for the following: trade studies, material selection, detailed structural analysis, assembly, integration, and testing. You will have an instrumental impact of fueling the first new commercial reactor design in over 50 years by 2026. Responsibilities & Duties : Ownership of critical structures such as mass-efficient transportable shielding systems, container system, and high temperature graphite and metallic systems. Conduct trade studies and develop designs to meet program requirements. Perform detailed thermomechanical analysis (static strength, durability/fatigue) and dynamic analysis...

Senior Structural Engineer Radiant is seeking a highly motivated Senior Structural Engineer to design and develop critical structures within Kaleidos. You will solve unique challenges creating efficient and reliable structures that facilitate fission while surviving extreme temperature environments and meeting volumetric constraints. You will be responsible for the following: trade studies, material selection, detailed structural analysis, assembly, integration, and testing. You will have an instrumental impact of fueling the first new commercial reactor design in over 50 years by 2026. Responsibilities & Duties : Ownership of critical structures such as mass-efficient transportable shielding systems, container system, and high temperature graphite and metallic systems. Conduct trade studies and develop designs to meet program requirements. Perform detailed thermomechanical analysis (static strength, durability/fatigue) and dynamic analysis (vibration, shock) to...

Role Overview Radiant is seeking a Loads & Dynamics Engineer to own and execute structural loads, vibration, and dynamic analyses for complex mechanical systems associated for Kaleidos, the worlds first portable microreactor and supporting hardware. You will play a critical role in ensuring structural integrity and survivability across all phases of the product lifecycle, including manufacturing, transportation, handling, deployment, and operational environments. This role requires a hands-on engineer who is comfortable working in ambiguous, fast-paced environments and collaborating closely with structures, mechanical design, thermal, nuclear, and test teams. Responsibilities Develop and own static, dynamic, and transient loads for reactor systems, support structures, and transport configurations Perform structural dynamics analyses, including modal, random vibration, shock, sine vibration, and fatigue assessments Implement explicit dynamics simulations to model...

About Us At Arbor Energy & Resources Corporation ("Arbor Energy"), 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 share our values and are drawn to rigorous work with lasting impact, we'd love to learn more about you. Come build what the future will...

About the Company: We are a stealth-mode Aerospace & Defense startup headquartered in Gardena, CA. Our founding team hails from SpaceX, Anduril, and Lockheed Martin, and we are backed by Joint Staff-level military leadership and top-tier Silicon Valley rms. We're assembling a high-agency team committed to moving fast, solving hard problems, and defending what matters most. With a world-class business development & leadership team already in place, we are well positioned to capitalize on already overwhelming demand. Role Overview As our Manufacturing Engineer, you'll own the integrity of the production process from prototype to full-rate manufacturing. You will be the connective tissue between design, manufacturing, and quality-ensuring that our builds are repeatable, efficient, and reliable. You'll play a critical role in developing robust manufacturing processes, executing quality assurance strategies, and continuously improving product reliability in a...

Location: El Segundo, CA | Department : Engineering | Employment Type: Intern-Fulltime Onsite | Start: Immediate Rainmaker is pioneering a modern cloud seeding system to solve water scarcity and inclement weather problems. We develop and incorporate radar validation, weather-resistant UAS, numerical weather modeling, and sustainable cloud seeds into an effective precipitation enhancement solution. The Engineering team at Rainmaker works on our UAS, dispersion payload, and in-situ/remote sensing systems. If you are interested in working in an extremely innovative and fast paced environment, where your work directly makes an impact and difference in our operational system, this is a fantastic opportunity. In this role you will be reporting directly to the Lead Mechanical Engineer and will be working on mission critical subsystems for our UAS platform. What You'll Do Rapid Hardware Prototyping: Design and build functional prototypes for UAS subsystems, iterating...

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 Are you a hands-on Manufacturing Engineer eager to shape the future of products from the ground up? Neros, a fast-growing startup, is seeking a talented individual to own critical aspects of our products , from initial design concepts through full-scale production. This high-impact role...

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,...

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...

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...

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...

Company Overview Rangeview is on a mission to build the foundry system that reindustrializes America. We exist to break the legacy manufacturing trap by reinventing critical production for the twenty-first century. Through advanced software, deep automation, breakthroughs in materials science, and modern financing strategies, Rangeview rewrites both the cost curve and the power structure of making metal parts. Job Summary As a Materials R&D Engineer, you will be responsible for materials and process development of our ceramic 3D printing mold production process. A successful candidate for this role will demonstrate creativity, integrity, determination, humility and outstanding capacity for first-principles analytical thinking. Rangeview has been developing a unique process to produce fine-featured parts out of high temperature superalloys that cannot be produced by any other manufacturing process. This is a foundational member of that R&D team, with major opportunity...