Senior Electrical Engineer - Innovative Nuclear Solutions

Join Voyager Technologies Inc. as an Electrical Engineer in Advanced Development where you will be at the forefront of pioneering electrical engineering solutions. This role involves designing, developing, and testing innovative electrical systems and components that will shape the future of technology.

Join Voyager Technologies Inc. as an Electrical Engineer in Advanced Development. We are looking for innovative thinkers with a passion for technology and engineering to contribute to cutting-edge projects. In this role, you will work on advanced electrical engineering solutions, collaborating with a dynamic team of professionals to push the boundaries of technology.

Join Voyager Technologies Inc. as a Software Engineer specializing in advanced development. In this dynamic role, you will be at the forefront of software innovation, working with cutting-edge technologies to create and enhance our product offerings. Collaborate with a team of talented engineers and contribute to exciting projects that impact our clients and the industry.

Join Voyager Technologies Inc. as a Software Engineer in Advanced Development. In this role, you will collaborate with cross-functional teams to design, develop, and implement innovative software solutions that drive efficiency and performance across our projects. You will utilize cutting-edge technologies and methodologies to create scalable software that meets the evolving needs of our clients.

Join our innovative team at Voyager Technologies Inc. as a Software Engineer focused on Advanced Development. In this role, you will have the opportunity to work on cutting-edge projects that push the boundaries of technology, collaborate with talented professionals, and contribute to the development of high-impact software solutions.

About RadiantRadiant, located in El Segundo, CA, is an innovative startup 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 mobility and extended operation, capable of providing power for up to five years without refueling. This revolutionary approach to portable nuclear energy aims to replace traditional diesel generators, delivering essential support for hospitals, data centers, remote locations, and military installations. Founded in 2020, Radiant is poised to test its inaugural reactor at the Idaho National Laboratory in the coming year, with initial customer deployments anticipated to begin in 2028.Position OverviewRadiant is searching for a Senior Advanced Controls Systems Engineer to take the lead in designing, implementing, and validating autonomous control systems for our nuclear microreactors. You will manage the entire control system development process—from defining requirements to operational deployment. Responsibilities include algorithm development, modeling and simulation, embedded implementation, and system validation.This role involves the design and integration of tightly coupled control functions that encompass reactivity control, primary loop mass flow, alternator/generator speed, and coordination across multiple reactors within microgrids. The ideal candidate will possess experience working in regulatory environments, developing autonomous and adaptive control strategies, and conducting system-level analyses of nonlinear, coupled dynamic systems. Close collaboration with multidisciplinary engineering teams focused on hardware, software, and system integration is essential.

About Radiant IndustriesRadiant Industries, headquartered 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 mobility, capable of providing power for up to five years without the need for refueling. This innovative technology serves as a sustainable alternative to diesel generators, delivering essential power to hospitals, data centers, remote sites, and military bases. Leveraging modern software engineering and advanced materials, we aim to revolutionize nuclear energy. Founded in 2020, we are poised to test our inaugural reactor at the Idaho National Laboratory in the coming year, with commercial deployments targeted for 2028.About the RoleWe are looking for a dynamic and driven early-career Mechanical Engineer to join our team and contribute to the design and integration of electrical systems within our innovative projects. In this role, you will collaborate with seasoned mechanical and electrical engineers to tackle complex challenges related to packaging, thermal management, structural design, and overall system integration for cutting-edge hardware. This position offers a unique opportunity for hands-on experience throughout the entire hardware development process, from CAD design and analysis to testing and validation, all while supporting our mission to successfully launch the first commercial nuclear reactor in over five decades by 2026.Responsibilities & DutiesContribute to the mechanical design and oversight of electrical components and subsystems, including:Designing mechanical assemblies for electrical components such as control panels, enclosures, brackets, mounts, and supports.Routing and securing cables and wiring harnesses, ensuring strain relief, compliance with bend radius, and serviceability.Integrating sensors, actuators, connectors, and electrical hardware within limited spaces.Creating 3D CAD models and 2D drawings using Siemens NX, including tolerance stack-ups and GD&T fundamentals.Conducting initial load calculations (static, shock, vibration) to guide structural design.Performing thermal analyses and heat transfer evaluations for electrical components and assemblies.Assisting in the selection of suitable materials, fasteners, and finishes based on electrical, thermal, and environmental considerations.

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.

Radiant Industries is on the lookout for a Lead Electrical Motor Design Engineer to spearhead the architecture, technical direction, and implementation of high-speed alternators and primary loop motors for our cutting-edge nuclear-driven power generation systems. This pivotal role will oversee the electric machine design function that is essential for the commercialization of the world's first mass-produced nuclear reactors.In this position, you will establish a technical vision for motor design while steering efforts in structural, thermal, and system integration. As a player-coach, you will actively engage in design work while mentoring a team of engineers to ensure the delivery of safe, reliable, and production-ready generator systems.This hands-on technical leadership position comes with substantial cross-functional impact.

About RadiantRadiant Industries, based in El Segundo, CA, is a pioneering startup dedicated to revolutionizing energy solutions through the development of the world's first mass-produced, portable nuclear microreactors. Our flagship reactor, Kaleidos, is a state-of-the-art 1-megawatt, fail-safe microreactor designed for transportability, capable of delivering power for up to five years without refueling. This innovative portable nuclear power source is set to replace conventional diesel generators and provide essential support for hospitals, data centers, remote locations, and military installations. By harnessing modern software engineering, Radiant is committed to rapidly delivering safe, factory-built microreactors using established, high-quality materials. Since our founding in 2020, we are on pace to test our inaugural reactor at the Idaho National Laboratory this summer, with initial customer deliveries anticipated in 2028.About the RoleWe are in search of a Senior Electrical Engineer specializing in PCB design to spearhead the electrical architecture for terrestrial reactor control systems, with aspirations for future applications in space. In this pivotal role, you will act as the technical authority for custom hardware, overseeing the design and development of high-reliability, low-noise printed circuit boards. Your responsibilities will encompass everything from defining requirements and schematic capture to layout, bring-up, validation, and field deployment.This position emphasizes comprehensive PCB development, including mixed-signal design, high-speed interfaces, power distribution, and signal integrity, while also supporting functions crucial for reactor control such as data acquisition, signal conditioning, estimation, and real-time processing.

Radiant Industries designs portable nuclear microreactors in El Segundo, CA. The company's flagship product, Kaleidos, is a 1-megawatt microreactor intended for easy transport and long-term power delivery, up to five years without refueling. Kaleidos aims to serve hospitals, data centers, remote operations, and military sites as a cleaner alternative to diesel generators. Radiant was founded in 2020 and plans to test its first reactor at Idaho National Laboratory this summer, with initial customer shipments scheduled for 2028. Role overview This Lead Principal Electrical Engineer role centers on PCB design for terrestrial reactor control systems, with future potential for space-based applications. The position requires a technical leader to define electrical architecture, set design standards, and guide the complete development cycle for high-reliability, low-noise printed circuit boards. Work includes requirements gathering, schematic capture, layout, validation, and deployment. What you will do Lead electrical architecture for reactor control systems Establish and maintain design standards for PCB development Drive architectural decisions for mixed-signal, high-speed, and power distribution designs Oversee the full development process of printed circuit boards, from requirements through deployment Prioritize signal integrity and low-noise performance for data acquisition and real-time processing Mentor and support other electrical engineers on the team Contribute to the technical direction of Radiant’s hardware platform Key focus areas Full-stack PCB development Mixed-signal circuit design High-speed interface design Power distribution and management Signal integrity for critical control systems

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 the RoleRadiant Industries is on the lookout for a seasoned Senior Electrical Engineer specializing in digital signal processing (DSP). In this pivotal role, you will spearhead the design and development of innovative signal processing and data acquisition architectures for terrestrial reactor control systems, with aspirations for future applications in space reactor technologies. As the technical authority in real-time signal processing, you will be responsible for the entire lifecycle of DSP pipeline development—from defining requirements and developing algorithms to implementation, validation, and deployment.Your focus will be on comprehensive DSP development, which encompasses digital filtering, detection, estimation algorithms, and real-time processing on embedded processors and FPGA platforms. Collaborating closely with hardware teams, you will ensure the effective interfacing with mixed-signal systems (including ADC/DACs and sensors), thereby guaranteeing precise sampling, low-noise signal conditioning, and reliability in high-stakes reactor control environments.

Radiant Industries is seeking a Mechanical Engineer focused on electric motor design to join the team developing an advanced alternator for a nuclear-driven, high-speed power generation system. This entry-level position is designed for recent graduates who want hands-on experience with high-voltage electric motors and generators. The role is fully on-site at the El Segundo, CA headquarters. What you will do Design and analyze generator components used in high-speed power systems. Create detailed 3D models and 2D fabrication drawings using CAD and NX software. Collaborate with cross-functional engineering teams, including turbomachinery specialists, to develop systems that convert mechanical energy to electrical energy. Communicate with vendors to source parts for generator construction. Carry out bench, dynamic, and system testing on subsystem components and models. Participate in hands-on assembly, rapid prototyping, and integration of electric motors and generators. Support efforts to commercialize mass-produced nuclear reactors that deliver clean energy to remote locations and essential infrastructure. Requirements Bachelor's degree in Mechanical Engineering with a focus on electric motors. Solid understanding of permanent magnet electric motors. Practical experience in electric motor design, manufacturing, and assembly processes. Preferred qualifications Master's degree in Mechanical Engineering specializing in electric motors. Knowledge of motor control systems, including Space Vector Modulation (SVM). Experience working with teams in turbomachinery, power electronics, thermal, packaging, or software engineering. Additional requirements Willingness to work extended hours and weekends as needed. This position requires 100% on-site presence in El Segundo, CA.

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.

About Rainmaker Rainmaker develops cloud seeding technology to help address water scarcity and challenging weather conditions. The team works with radar validation, weather-resistant Unmanned Aerial Systems (UAS), advanced numerical weather modeling, and eco-friendly cloud seeds to build solutions that enhance precipitation. The Engineering Team The Engineering group focuses on improving UAS platforms, dispersion payloads, and both in-situ and remote sensing systems. Team members see the direct impact of their work on Rainmaker’s operations. Role Overview This Electrical Engineering Internship is based in El Segundo, CA. The intern will work closely with the Lead Electrical Engineer, contributing to the design and development of key subsystems for UAS platforms. What You Will Do Rapid Hardware Prototyping: Design and build functional prototypes for UAS subsystems, making iterative improvements based on flight tests and mission requirements. PCB Design: Create schematic diagrams and layouts for systems such as power distribution, sensor interfaces, payload controllers, and communication modules, using tools like Altium or KiCad.

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.

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.

About VardaLow Earth orbit is open for business. Varda is pioneering the advancement of commercial space infrastructure, from in-orbit pharmaceutical manufacturing to innovative and cost-effective reentry capsules.Our mission is to harness the potential of space to create products that enhance life on Earth, including essential pharmaceuticals and advanced fiber optics. We aim to drive innovation in the orbital economy by establishing the necessary infrastructure and products.Our team combines expertise from veterans of SpaceX, Blue Origin, leading pharmaceutical firms, and Silicon Valley innovators. Founded in January 2021 by Will Bruey and Delian Asparouhov, Varda has secured significant investment from renowned backers such as Khosla Ventures, Lux Capital, Founders Fund, Caffeinated Capital, General Catalyst, and Also Capital.Headquartered in El Segundo, California, Varda operates a production facility where we design, integrate, and test our vehicles, equipment, and materials. We also have offices in Washington, DC, and Huntsville, AL.Join us at Varda and contribute to building a vibrant in-space ecosystem.