Power Electronics Engineer II at CesiumAstro | El Segundo, CA

Join our innovative team at cx2 as a Manufacturing Engineer specializing in Electronics. In this pivotal role, you will be responsible for designing, developing, and optimizing electronic manufacturing processes, ensuring high-quality production and efficiency. Collaborate with cross-functional teams to implement advanced manufacturing techniques that drive operational excellence and product quality.

Join Radiant IndustriesRadiant Industries, based in El Segundo, CA, is pioneering the development of the world's first mass-produced, portable nuclear microreactors. Our flagship reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor designed for flexible deployment, capable of operating for up to five years without refueling. This innovative solution offers a sustainable alternative to diesel generators, delivering essential energy support to hospitals, data centers, remote sites, and military installations. Our approach harnesses cutting-edge software engineering to create safe, factory-manufactured microreactors using proven materials. Since our inception in 2020, we are excited to announce that we will be testing our first reactor at the Idaho National Laboratory this summer, with initial customer deliveries anticipated in 2028.Position OverviewWe are in search of a dedicated Engineering Manager to lead our Electronics team. This team is responsible for developing the electronics architecture for terrestrial reactor controls, with future aspirations towards space reactor applications. As the technical authority, you will oversee the design of custom hardware, including low-noise analog front ends, high-speed data converters, digital signal processing, and printed circuit board (PCB) designs, from requirements gathering to field deployment.

Role overview Mattel Inc. seeks a Senior Electronics Engineer in El Segundo to help shape the electronics behind its product lines. This role combines hands-on technical work with creative thinking to bring engaging toys and products to life. What you will do Design and develop electronic systems and components for both new and existing Mattel products Collaborate with teams across design, mechanical engineering, and manufacturing to integrate electronics into products Contribute to meeting Mattel’s standards for product quality and performance

Senior Manufacturing EngineerJoin Radiant Industries as a Senior Manufacturing Engineer, where you will collaborate with design engineers to revolutionize the production of intricate mechanisms and structures essential to our innovative microreactor technology. Your role will be critical in ensuring the reliability, safety, quality, and timely delivery of the Kaleidos demonstration unit, set for testing at the Idaho National Lab in 2026—marking the first new reactor design in over 50 years.Key Responsibilities:Oversee the manufacturing and inspection processes of vital components and assemblies within the Kaleidos microreactor.Collaborate with design engineers to create innovative production methods for complex mechanisms and structures.Develop, validate, and optimize manufacturing processes to fulfill all design and business requirements, including safety, quality, efficiency, and delivery timelines.Formulate and implement manufacturing specifications and fabrication instructions.Manage the manufacturing bill of materials (mBOM) for components and assemblies.Identify, evaluate, and establish partnerships with suppliers for component sourcing and fabrication.Identify, plan, and execute upgrades to capital equipment, machinery, and layout to adapt to evolving production needs.Lead initiatives that promote continuous improvements in manufacturing processes and product quality.

About VardaLow Earth orbit is now a thriving business frontier. Varda is at the forefront of advancing commercial space infrastructure, focusing on everything from in-orbit pharmaceutical manufacturing to cost-effective reentry capsules.We create groundbreaking products and infrastructure that allow space technology to directly enhance life on Earth. Our mission is to broaden the economic possibilities for humanity.Our exceptional team comprises industry veterans from notable companies such as SpaceX, Blue Origin, and leading pharmaceutical firms. Founded in January 2021 by Will Bruey and Delian Asparouhov, Varda has garnered substantial support from prestigious investors like Khosla Ventures, Lux Capital, Founders Fund, Caffeinated Capital, General Catalyst, and Also Capital.Headquartered in El Segundo, California, Varda operates a production facility where our vehicles, equipment, and materials are constructed, integrated, and tested. We also maintain offices in Washington, DC, and Huntsville, AL.Join us at Varda and contribute to building a vibrant in-space ecosystem.

CX2 is a pioneering defense technology firm dedicated to providing spectrum superiority for the United States and its allies. Our AI-driven hardware and software solutions are designed to detect, disrupt, and safeguard the electromagnetic spectrum across diverse domains including land, air, sea, and space.We are in search of a proactive and creative Manufacturing Engineer who is eager to lead manufacturing initiatives and drive process enhancements. This role encompasses the entire lifecycle from Design for Manufacturing (DFM) and commissioning to manufacturing ramp-up, testing, and validation. The ideal candidate will possess a robust engineering background coupled with practical experience in both mechanical and electronic assembly production.Process Innovation- Innovate, develop, and implement processes and enhancements for new and existing products.- Assess production workflows to pinpoint improvement opportunities aimed at decreasing waste, costs, and downtime.- Create and maintain process parameters, Standard Operating Procedures (SOPs), and quality control standards.Drone Production Support- Collaborate closely with engineering and production teams to troubleshoot issues pertaining to electromechanical assemblies and validations, including mechanical assemblies, CNC machined components, carbon fiber layup, final assembly, and unit testing.- Provide ongoing production support for drone manufacturing.- Guide and mentor technicians and engineers in adhering to best engineering practices to fulfill AS9100D and ISO9001 defense manufacturing standards.- Offer technical assistance during new product introductions (NPI) and engineering change implementations.Tooling & Equipment- Specify and design tools, jigs, and fixtures to enhance assembly and manufacturing efficiency.- Oversee the procurement and validation of new equipment, including Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT).Cross-functional Collaboration- Work collaboratively with R&D, Product Design, Quality Assurance, and Supply Chain teams to ensure manufacturability and scalability of products.- Engage in Design for Manufacturing and Assembly (DFMA) reviews during product development.- Coordinate with vendors and contract manufacturers to optimize production capabilities.

About VardaThe era of low Earth orbit is here, and Varda is leading the charge. We are pioneering the evolution of commercial space infrastructure, ranging from in-orbit pharmaceutical production to the development of cost-effective reentry capsules.Our groundbreaking work allows for the creation of life-changing products that can only be manufactured in space, enhancing life on Earth. Varda is committed to igniting innovation in the orbital economy by building the products and infrastructure that directly benefit humanity. Our mission is to broaden the economic horizons of mankind.Our team combines a wealth of experience, with leaders and staff sourced from esteemed organizations like SpaceX, Blue Origin, and major pharmaceutical firms, complemented by expertise from Silicon Valley. Founded in January 2021 by Will Bruey and Delian Asparouhov, we are backed by top-tier investors including Khosla Ventures, Lux Capital, and Founders Fund.Headquartered in El Segundo, California, our office and production facility are where we design, integrate, and test our innovative vehicles, equipment, and materials. We also maintain offices in Washington, DC and Huntsville, AL.Join us at Varda and contribute to building a thriving in-space ecosystem. About This RoleAs a Manufacturing Engineer at Varda, you will leverage your expertise to transition manufacturing processes from a handful of custom vehicles to a large number of consistent, simultaneous builds. Your role will be critical in enhancing Varda's manufacturing capabilities.

Join Radiant Industries as a Manufacturing Engineer!Radiant Industries is on the lookout for an enthusiastic and driven Manufacturing Engineer who will collaborate closely with our design engineers to drive innovation in the production of intricate mechanisms and structures that are vital to our advanced microreactor technology. As part of our team, you will play a key role in ensuring the reliable, safe, and high-quality delivery of the Kaleidos demonstration unit, set to be tested in 2026 at the Idaho National Laboratory. This project is crucial for evaluating the first new reactor design in over five decades.Key Responsibilities:Collaborate with the team responsible for the manufacturing and inspection processes of critical components and assemblies within the Kaleidos microreactor.Partner with design engineers to create innovative production methods for complex mechanisms and structures.Develop, qualify, and refine manufacturing processes to satisfy all design and business requirements, focusing on safety, quality, efficiency, and timely delivery.Create and implement manufacturing specifications and fabrication instructions.Identify and engage appropriate suppliers for sourcing and fabrication of components.Plan and execute upgrades for capital equipment, machines, and layouts to meet changing production needs.Work with the team to drive continuous improvement initiatives in manufacturing processes and product quality.

Join Varda Space Industries as a Manufacturing Engineering Intern for the Fall 2026 semester! This exciting opportunity allows you to work alongside industry professionals in a dynamic environment focused on space manufacturing technologies. You will gain hands-on experience, contribute to innovative projects, and enhance your engineering skills while working on real-world challenges in the aerospace sector.

Join Radiant IndustriesRadiant Industries, based in El Segundo, CA, is pioneering the development of the world’s first mass-produced portable nuclear microreactors. Our flagship reactor, Kaleidos, is a revolutionary 1-megawatt microreactor designed for mobility and efficiency, capable of running for up to five years without refueling. This innovative solution provides a sustainable alternative to diesel generators, supporting critical operations for hospitals, data centers, remote locations, and military installations. Founded in 2020, we're on a mission to transform the energy landscape with safe, factory-built microreactors, leveraging cutting-edge software engineering. With our first reactor set to be tested at Idaho National Laboratory next year and initial customer deliveries projected for 2028, now is an exciting time to join our team.Role OverviewAs a Senior Power Electronics Engineer, you will be integral to the design and development of power electronics for our nuclear-powered high-speed generator. Your expertise will be crucial in the creation of high-voltage and high-speed generator drives, DC-DC converters for high-voltage batteries, and inverters for both standalone and grid-tied applications. Collaborating with a dynamic team, you will be responsible for the complete power electronics design, analysis, simulation, and component selection. You will work alongside leading industry engineers and engage with vendors and governmental organizations, playing a key role in bringing our groundbreaking nuclear microreactor to market.Key ResponsibilitiesDesign power electronic systems to convert AC and DC power into stable, grid-compatible voltages and frequencies.Take ownership of configuring active rectifiers, inverters, and DC-DC converters.Implement EMI/EMC strategies in system design, including line filter selection, capacitors, grounding, and isolation.Apply your expertise in designing and validating gate drivers, power stages, magnetics, and control systems.Conduct modeling and detailed simulation of inverters.Lead the design and construction of fully functional inverters independently.Perform formal circuit analysis, including de-rating and worst-case scenario evaluations.Optimize for loss, efficiency, and conduct thermal analysis of the inverters.

About CX2 CX2 develops defense technology focused on spectrum superiority for the United States and allied nations. The team builds AI-driven hardware and software to detect, disrupt, and protect the electromagnetic spectrum across land, air, sea, and space. Role Overview The Electronic Warfare Architect will shape the next generation of electronic warfare solutions at CX2. This role combines technical expertise in EW, experience with modeling and simulation, and the ability to advocate for technology to key stakeholders. The Architect will help communicate CX2’s vision to the Pentagon and the broader electronic warfare community. What You Will Do Define product offerings within the Pentagon’s warfighting and procurement framework Work closely with force capability planners, wargaming and simulation experts, and requirements working groups Influence strategic thinking at the Pentagon, contributing to future roadmaps and budget planning Support the creation of new Electronic Warfare Programs of Record that highlight CX2’s capabilities Location El Segundo, CA

While we may not have current openings, we are eager to connect with skilled engineers who are passionate about innovation and excellence in their field. If you believe you could be an invaluable addition to our team, we encourage you to reach out.Please submit your information, and we will contact you when a suitable opportunity arises.

CX2 is an innovative defense technology firm dedicated to providing spectrum superiority for the United States and its allies. Our advanced AI-driven hardware and software solutions excel in detecting, disrupting, and defending the electromagnetic spectrum across various domains including land, air, sea, and space.We are currently in search of a highly proficient Electrical Engineer to conceptualize, develop, and enhance cutting-edge electronic systems aimed at next-generation drone defense (counter-UAS) strategies. This position requires engagement with pioneering technologies such as RF systems, embedded electronics, sensors, and power systems to effectively detect, track, and neutralize unmanned aerial threats.

Radiant Industries is on the lookout for a dynamic and innovative Quality Systems Engineer. This role requires a proactive individual who can effectively implement quality assurance protocols in a fast-paced manufacturing environment. As a pivotal player in our mission, you will critically assess which controls are essential for success while discarding outdated practices. The ideal candidate is someone who continuously questions the status quo, always seeking the optimal outcome and never settling for traditional methods.In this influential position, you will oversee the policies and procedures that dictate our company's operations. This role perfectly blends technical expertise with operational execution, appealing to those who thrive in an environment marked by rapid innovation and high standards for quality and safety.

About VardaLow Earth orbit is open for business. Varda is at the forefront of developing commercial space infrastructure, ranging from in-orbit pharmaceutical processing to efficient and cost-effective reentry capsules.We are revolutionizing the orbital economy by manufacturing life-saving pharmaceuticals and advanced fiber optics that can only be produced in space. Our mission is to create products and infrastructure that enable space to enhance life on Earth and expand humanity's economic horizons.Our team consists of industry veterans from SpaceX, Blue Origin, top pharmaceutical firms, and Silicon Valley, all united by a shared vision. Founded in January 2021 by Will Bruey and Delian Asparouhov, Varda is backed by leading investors such as Khosla Ventures, Lux Capital, Founders Fund, and others.Headquartered in El Segundo, California, Varda operates a production facility where we design, build, integrate, and test our vehicles and equipment. We also have offices in Washington, DC, and Huntsville, AL.Join Varda and contribute to establishing a thriving in-space ecosystem.

Join Radiant Industries as a Senior Electrical Technician!In this pivotal role, you will leverage your expertise to support our engineering team in the development and assembly of cutting-edge electronic systems. Your contributions will ensure the reliability and functionality of our products, making a significant impact in the aerospace and military sectors.Responsibilities:Interpret and work with engineering drawings, electrical schematics, and wiring diagrams.Assemble, wire, and integrate hardware components such as PCBs, harnesses, electrical panels, and enclosures.Adhere to established procedures and specifications throughout the manufacturing process.Collaborate closely with engineers to enhance and document processes.Utilize manufacturing tools including soldering irons, cutters, strippers, crimpers, and torque wrenches with expertise.Conduct electromechanical tests such as continuity, hi-pot, and pull tests.Maintain a high standard of safety, cleanliness, and reliability in all operations.Demonstrate a solid understanding of electrical hardware and safe interaction practices.Required Skills:Experience with military or aerospace-grade electronics.Familiarity with high-power electronics and batteries.Understanding of production equipment and tooling for electromechanical manufacturing.Flexibility to support various projects aligned with company goals.Knowledge of NASA-STD-8739.4, IPC-A-610, IPC-A-620 standards.Experience with UL-508A and NFPA-70 (NEC) regulations.Preferred Qualifications:Ability to stand, bend, and work with small components for extended periods.Excellent vision and fine motor skills for precision work.Capability to lift up to 50 lbs occasionally.Strong teamwork, communication, and organizational skills.Positive attitude and ability to work effectively with minimal supervision.Strong organizational skills and attention to detail.Willingness to work outdoors when required.Ability to work at heights using scissor lifts or ladders as needed.Willingness to travel occasionally for offsite support.

Long Wall Company, established in 2025, is at the forefront of missile defense technology innovation for the U.S. and its allies. By enhancing the RS1 and GS0 launch systems, we specialize in developing containerized, mass-producible missile defense systems, providing rapid and cost-effective flight testing solutions. Our vision is to redefine global security and stability through advanced defensive technologies that are affordable, high-performing, rigorously tested, and widely accessible.Who We SeekMission-Driven Innovators: At Long Wall, we are looking for engineers who are passionate about pushing the boundaries of aerospace technology. We value those who approach problems with curiosity, view setbacks as opportunities for learning, and are committed to delivering optimal solutions that serve our mission.Ownership and Collaboration: We are in search of engineers who take full ownership of their projects while understanding the importance of teamwork. The most effective engineers enhance the capabilities of their colleagues, recognizing that a diverse skill set fosters greater success in our missions.Role OverviewWe are in search of a skilled Senior CNC Programmer and Machinist who is eager to contribute to the manufacturing and production of parts for launch vehicles and defense systems. The ideal candidate will possess a critical mindset when it comes to programming and machining, with a focus on enhancing hardware designs and manufacturing processes. This position requires expertise in multi-axis mill programming and machining, utilizing Mastercam for programming and Vericut for verification. You will operate Haas Machining Centers, engaging in both programming and machining tasks. The primary focus will be on 5th axis milling work to support the production and development of launch vehicle engine and space system components. In this S5 level role, you will be expected to autonomously drive projects to completion, mentor junior machinists, and lead initiatives for shop and process improvements.Materials We Work With:AluminumSteelStainless SteelInconel

Join Radiant Industries as an Electrical Technician!We are seeking a skilled Electrical Technician to be part of our dynamic team at our El Segundo headquarters. In this role, you will leverage your expertise to read engineering drawings and schematics, assemble and wire various hardware components, and collaborate with engineering teams to enhance our processes.Key Responsibilities:Interpret engineering drawings, electrical schematics, and wiring diagrams accurately.Assemble, wire, and integrate hardware, including PCBs, harnesses, electrical panels, and enclosures.Execute tasks in compliance with established procedures and specifications.Collaborate with engineers to develop and document effective processes.Utilize manufacturing tools proficiently, including soldering irons, cutters, strippers, crimpers, and torque wrenches.Conduct electromechanical testing, including continuity, hi-pot, and pull tests.Maintain high operational standards focusing on safety, reliability, and cleanliness.Safely interact with electrical hardware.

About VardaLow Earth orbit is open for business. Varda is at the forefront of developing commercial space infrastructure, ranging from in-orbit pharmaceutical processing to economically viable reentry capsules.From life-saving medications to advanced fiber optics, Varda is pioneering the creation of products that can only be manufactured in space, driving innovation in the orbital economy and enhancing life on Earth. Our mission is to push the economic frontiers of humanity.Our team is uniquely equipped to achieve this vision, with members hailing from prestigious companies including SpaceX, Blue Origin, and major pharmaceutical firms. Founded in January 2021 by Will Bruey and Delian Asparouhov, Varda enjoys support from top-tier investors such as Khosla Ventures, Lux Capital, and Founders Fund.Headquartered in El Segundo, California, Varda operates state-of-the-art facilities where our vehicles, equipment, and materials are meticulously built, integrated, and tested. We also maintain offices in Washington, DC, and Huntsville, AL.Join Varda and help us create a vibrant in-space ecosystem.About This RoleThe Senior Facilities Electrician will take the lead in executing and supervising advanced electrical installation, maintenance, and repair tasks throughout the organization’s facilities. This role is critical in ensuring adherence to safety standards, managing electrical projects, mentoring junior electricians, and supporting essential operations to sustain a safe and efficient electrical infrastructure.