Electrical Engineering Internship at Rainmaker | El Segundo, CA

Join our dynamic team at Sonsoft Inc. as a DevOps Engineer. In this pivotal role, you will collaborate with cross-functional teams to enhance our deployment pipelines, automate processes, and ensure the reliability of our infrastructure. Your expertise in cloud services, scripting, and container orchestration will help us deliver high-quality software solutions efficiently.If you are passionate about optimizing systems and thrive in a fast-paced environment, we want to hear from you!

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.

We are seeking a talented Senior Software Engineer to join our dynamic team at AMCA in El Segundo, California. In this role, you will be responsible for developing innovative software solutions that enhance our product offerings and drive business success. You will work closely with cross-functional teams to identify and implement new technologies that align with our strategic objectives.The ideal candidate will have a passion for technology, a strong problem-solving mindset, and a desire to contribute to high-impact projects. If you are looking to take your career to the next level in a collaborative and fast-paced environment, we would love to hear from you!

Rainmaker tackles water scarcity and weather challenges by developing cloud seeding systems. The team blends radar validation, rugged unmanned aerial systems (UAS), advanced weather modeling, and environmentally safe cloud seeding materials to help increase precipitation. As a Senior Electrical Engineer based in El Segundo, CA, this role works at the heart of Rainmaker’s operations. The position focuses on UAS platforms, dispersion payloads, and advanced sensing equipment, shaping the electrical backbone of the company’s core systems. Collaboration with a skilled engineering group is central to this position, and contributions have a direct, visible impact on project outcomes. Key Responsibilities System Design: Lead the architecture and design of complex electrical systems for hardware platforms. Define requirements, interface specifications, and integration strategies at the system level. Rapid Hardware Prototyping: Build and refine functional hardware prototypes, iterating quickly based on test results and operational feedback. PCB Design: Develop schematics and layouts for power distribution, sensor interfaces, payload controllers, and communication modules using Altium. Board Bringup and Testing: Assemble, debug, and validate new printed circuit boards. Create testing procedures and fixtures to ensure reliable performance during flight operations. Documentation: Prepare detailed technical documentation and fabrication data for manufacturers, supporting quality control and clear communication.

About Varda Space Industries Low Earth orbit is open for business. Varda Space Industries develops commercial space infrastructure, with a focus on in-orbit pharmaceutical manufacturing and affordable reentry capsules. Space offers unique opportunities, from producing life-saving medicines to creating advanced fiber optics that can only be made in orbit. Varda’s mission is to build the products and infrastructure that connect space innovation directly to life on Earth, expanding economic possibilities for humanity. The team brings experience from SpaceX, Blue Origin, top pharmaceutical companies, and Silicon Valley. Varda was founded in January 2021 by Will Bruey and Delian Asparouhov, and is backed by investors including Khosla Ventures, Lux Capital, Founders Fund, Caffeinated Capital, General Catalyst, and Also Capital. Headquartered in El Segundo, California, Varda operates a production facility for developing, integrating, and testing vehicles, equipment, and materials. Additional offices are located in Washington, DC, and Huntsville, Alabama. Varda is building the foundation for a thriving in-space ecosystem.

Rainmaker builds cloud seeding technology aimed at tackling water scarcity and unpredictable weather. The company’s approach brings together radar validation, weather-hardened unmanned aerial systems (UAS), advanced weather modeling, and environmentally friendly cloud seeding materials to form a full precipitation enhancement system. The Mechanical Engineering Intern will join the engineering team in El Segundo, CA. This position works hands-on with UAS, payload dispersion systems, and both in-situ and remote sensing equipment. Reporting to the Lead Mechanical Engineer, the intern will help develop essential subsystems for Rainmaker’s UAS platform, directly supporting operational and mission objectives. What you will do Hardware prototyping: Design and build working prototypes for UAS subsystems. Update and refine designs based on results from flight tests and mission requirements. Test fixture design: Assist in conceptualizing, designing, building, and running test fixtures to evaluate prototype components. Finite Element Analysis (FEA): Collaborate with mechanical engineers to define loading and boundary conditions, set up and run FEA studies, and confirm results. Documentation: Prepare technical documentation and generate fabrication and assembly data for manufacturing partners. Collaboration: Work with electrical and software engineers, along with other team members, to deliver integrated solutions.

Regulatory EngineerRadiant Industries is on the lookout for an innovative and passionate Regulatory Systems Engineer. In this pivotal role, you will be instrumental in facilitating the license application approval process with the Nuclear Regulatory Commission, contributing to the commercialization of the world’s first portable nuclear microreactor. As a subject matter expert on regulatory processes, you will engage collaboratively with technical teams to guide the design, build, and testing phases. Your leadership will bridge communication between regulators and engineering teams, ensuring clarity on regulatory requirements. You will synthesize analysis and test results from design teams, producing comprehensive deliverables that constitute a complete license application. This role is ideal for systems engineers who thrive in both technical and operational environments, as you will take ownership of a modernized regulatory strategy aimed at bringing a safe microreactor to market swiftly.

Nuclear EngineerJoin Radiant Industries, a pioneering leader in advanced nuclear technology, as a Nuclear Engineer. You will play a crucial role in shaping the future of our Kaleidos microreactor. Your responsibilities will encompass a variety of nuclear engineering disciplines including radiation shielding, criticality safety, accident dose consequence assessment, reactor physics modeling, transient analysis, and radiation detection. Collaborating with a dynamic team in a startup atmosphere, you will spearhead nuclear engineering projects, set strategic directions, and tackle complex technical challenges. The ideal candidate is not only detail-oriented but also possesses a profound passion for advanced reactor design and exhibits exemplary communication skills.Key Responsibilities:Lead nuclear design and analysis initiatives, including:Shielding: Conduct operational dose and shutdown activation analysis, categorize waste, and ensure compliance with customer and regulatory shielding requirements.Neutronics: Perform analysis of reactor fluxes and energy deposition, ensure criticality safety, and validate nuclear models.Accident and Dose Consequence: Assess radiological dose consequences for diverse accident scenarios related to the Kaleidos units.Transient Analysis: Execute coupled neutronics and thermal calculations to deepen understanding of reactor dynamics.Gather requirements and provide constructive feedback to engineers across various domains through effective communication.Undertake additional nuclear design and analysis tasks as assigned.Qualifications & Skills:Bachelor’s degree in Nuclear Engineering or a related field from an accredited institution.1-2+ years of relevant industry experience (a Master’s degree equates to 2 years).Proficiency in radiation transport methods with experience in MCNP/OpenMC/Serpent codes.Skilled in at least one programming language, such as Python, C++, C#, FORTRAN, or other scientific computing languages.Basic understanding of thermal hydraulics principles.Self-motivated with robust organizational, written, and oral communication skills.

Senior Structures EngineerRadiant Industries is on the lookout for a dynamic and innovative Senior Structures Engineer to lead the design and development of essential structures within the Kaleidos project. In this role, you will tackle unique engineering challenges, crafting efficient and robust structures that endure extreme temperatures and satisfy volumetric constraints. Your expertise will play a crucial role in advancing the first new commercial reactor design in over 50 years, set to launch by 2026.Key Responsibilities:Lead the design of critical structures, including mass-efficient transportable shielding systems, container systems, and high-temperature graphite and metallic systems.Conduct thorough trade studies and develop innovative designs to meet program specifications.Perform detailed thermomechanical (static strength, durability/fatigue) and dynamic analyses (vibration, shock) to ensure structural integrity, utilizing both manual calculations and finite element analysis tools.Create and implement manufacturing and assembly instructions, along with comprehensive test plans.Manage a Bill of Materials (BOM) and collaborate with suppliers for component development.Oversee subassembly design, manufacturing, and testing schedules.Conduct risk analysis (FMEA) for subsystems.Gather requirements and provide constructive guidance to engineers across different functional areas through effective communication.

CX2 is an innovative defense technology company dedicated to achieving spectrum dominance for the United States and its allies. Our cutting-edge, AI-driven hardware and software platforms are designed to detect, disrupt, and protect the electromagnetic spectrum across various domains including land, air, sea, and space.We are in search of a talented Flight Test Engineer to become a vital part of our expanding team. The ideal candidate should possess extensive experience in the production and testing of complex systems, early-stage prototyping, and have a robust background in software development.

Role Overview Mattel Inc. is looking for a Senior Electronics Engineer to join the team in El Segundo. This position focuses on designing and developing electronics for Mattel’s product lines. The work blends technical skill with creative problem-solving. What You Will Do Design and develop electronic systems and components for new and existing products Work closely with cross-functional teams, including design, mechanical, and manufacturing groups Help ensure products meet Mattel’s standards for quality and performance

Engineering TechnicianJoin Radiant Industries as an Engineering Technician, where you will utilize a diverse array of skills in the fabrication and assembly of our innovative microreactor unit. Your role will be pivotal in constructing both large and small-scale test rigs, creating prototype components and tooling, and sourcing the necessary tools for assembly. You will be the fourth key technician on our team, necessitating a high level of autonomy and initiative. In our new El Segundo headquarters, you will manage our prototype shop, working with an assortment of tools across various shop activities, including machining, welding, metal forming, electrical work, and plumbing. This position offers you the chance to make a substantial technical impact as we strive to fuel a new reactor design for the first time in over 50 years by 2026.Key Responsibilities:Fabricate components to specifications using various shop equipment such as mills, lathes, welders, and hand tools.Lead the assembly and commissioning of test rigs and production builds.Conduct troubleshooting and root cause analysis for mechanical, electrical, thermal, and pneumatic issues.Collaborate with engineers to devise solutions and enhancements for hardware design, fabrication, and assembly processes.Maintain high operational standards regarding safety, reliability, and cleanliness.Perform additional tasks as required; versatility is essential in our small team environment.

Radiant Industries is on the lookout for an accomplished Senior Structural Engineer to spearhead the design and development of essential structures within our innovative Kaleidos project. In this pivotal role, you will tackle unique engineering challenges to create efficient and robust structures capable of sustaining fission reactions, even under extreme temperature conditions and stringent volumetric constraints.Your responsibilities will encompass conducting trade studies, selecting appropriate materials, performing comprehensive structural analyses, as well as overseeing assembly, integration, and testing processes. Your contributions will be instrumental in propelling the launch of the first new commercial reactor design in over half a century by the year 2026.

About VardaThe era of commercial space exploration has arrived. Varda is at the forefront, pioneering the development of commercial space infrastructure, facilitating everything from in-orbit pharmaceutical production to cost-effective reentry capsules.Our innovations encompass a range of products that can only be produced in the unique conditions of space, such as life-saving pharmaceuticals and advanced fiber optics. Varda is committed to propelling the orbital economy forward by establishing the necessary infrastructure and products that will directly enhance life on Earth. Our mission is to broaden humanity's economic horizons.Our team is exceptionally qualified, featuring experts and veterans from SpaceX, Blue Origin, leading pharmaceutical firms, and Silicon Valley. Founded in January 2021 by Will Bruey and Delian Asparouhov, Varda has garnered substantial investment from renowned backers including 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 designed, integrated, and tested. We also maintain offices in Washington, DC, and Huntsville, AL.Become a part of Varda and help us build a thriving ecosystem in space.About This RoleWe are looking for a skilled Applications Engineer to join our Supply Chain Team. The ideal candidate will possess a robust background in manufacturing and supply chain systems, with hands-on experience in enterprise resource planning and execution systems, along with advanced skills in data analysis and operational efficiency.

About UsPicogrid is a pioneering defense technology company backed by venture capital, dedicated to closing the longstanding gap between cutting-edge technology and the essential requirements of national security. We are currently developing critical infrastructure that integrates sensors, autonomy, and operators, with our innovative solutions actively utilized in operations globally. Our objective is to provide an operational edge to safeguard the United States and its allies.Position OverviewWe are on the lookout for a Senior Electrical Engineer who will play a key role in designing, constructing, and launching mission-critical hardware systems that bolster U.S. defense initiatives. This hands-on position resides at the crossroads of embedded systems, mechanical integration, and high-reliability design, giving you ownership over vital electrical components that drive connected autonomous systems in the field.You will manage the complete design lifecycle of various hardware products: from rapid prototyping and validation to production and deployment in the field. Your responsibilities extend beyond the bench; you will work closely with software, mechanical, and deployment teams to guarantee that systems function reliably in challenging environments ranging from deserts to flightlines and active field operations. Anticipate rapid iterations and minimal barriers between your engineering contributions and the end user, making a tangible impact on real-world missions.

About Radiant IndustriesRadiant Industries is an innovative startup headquartered in El Segundo, California, pioneering the development of the world’s first mass-produced, portable nuclear microreactors. Our inaugural reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor designed for transportation to any location requiring power, capable of operating for up to 5 years without refueling. This cutting-edge technology offers a sustainable alternative to conventional diesel generators, providing essential power support for critical infrastructures such as hospitals, data centers, remote sites, and military bases. Since our inception in 2020, we have adopted a unique approach that combines advanced software engineering with proven materials to safely deliver factory-built microreactors. We are set to commence testing our first reactor at the Idaho National Laboratory next year, with initial customer deliveries projected to begin in 2028.Position OverviewWe are on the lookout for a motivated Senior FPGA Engineer to join our Embedded Systems team. In this role, you will play a crucial part in the design, development, and validation of FPGAs utilized in the reactor's instrumentation and control systems, focusing on safety-critical applications, sensor and actuator management, and communication systems. Collaboration with hardware engineers, embedded software engineers, and test engineers will be essential to create integrated designs that fulfill the operational requirements for monitoring and controlling fission reactors. Your contributions will be pivotal in testing our first commercial reactor design in over half a century.This position is full-time and based onsite in El Segundo, California.

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.

Important Notice: In compliance with the U.S. Government Space Technology Export Regulations, applicants must be U.S. citizens, lawful permanent residents, conditional residents, asylees, or refugees, or be eligible to acquire the necessary authorizations from the U.S. Department of State.At CesiumAstro, we are innovators and leaders in developing advanced communication systems for satellites, UAVs, launch vehicles, and various space and airborne platforms. Our vibrant and collaborative work environment fosters learning, growth, and engagement across all levels of our organization. If you seek an interactive, hands-on work experience with autonomy, CesiumAstro is the perfect place for you. We invite enthusiastic, team-oriented, and innovative individuals to become part of our journey.We are on the lookout for a Power Electronics Engineer II to bolster our expanding spacecraft payload development team. In this role, you will play a crucial part throughout the entire development lifecycle of cutting-edge power electronics hardware for satellites and space power systems payloads. Your contributions will range from defining power system architectures and conducting trade studies to detailed circuit design, simulation, PCB layout, verification, integration testing, and providing manufacturing support.

About VardaPioneering the New Space Economy. Varda is at the forefront of building commercial space infrastructure, focusing on innovative solutions from in-orbit pharmaceutical processing to cost-effective reentry capsules.We are on a mission to transform how products essential to life on Earth are manufactured, enabling the creation of advanced pharmaceuticals and superior fiber optics in space. Our aim is to foster innovation in the orbital economy, crafting both the products and the infrastructure that will allow space to enhance life back on Earth. We are dedicated to expanding the economic horizons of humanity.Our exceptional team comprises industry veterans from SpaceX, Blue Origin, leading pharmaceutical companies, and Silicon Valley. Founded in January 2021 by Will Bruey and Delian Asparouhov, Varda has garnered support from top-tier investors, including Khosla Ventures, Lux Capital, Founders Fund, Caffeinated Capital, General Catalyst, and Also Capital.Based in El Segundo, California, Varda operates from a dedicated office and production facility where our vehicles, equipment, and materials are expertly constructed, integrated, and tested. We also maintain offices in Washington, DC, and Huntsville, AL.Join Varda and contribute to the development of a thriving in-space ecosystem.About This RoleThe Flight Software team plays a crucial role in designing and implementing the behavior and operation of our spacecraft in orbit. We are seeking a skilled engineer to build reliable software that ensures the successful functioning of our systems. The team is involved in all stages of development, from capturing requirements through testing and providing operational support during flight.