Senior Electrical Engineer at Rainmaker | El Segundo, CA

About Matter IntelligenceAt Matter Intelligence, we are pioneering the future of vision AI with a revolutionary sensor that can perceive molecular chemistry, temperature, and 3D shapes, all integrated into a Large World Model. This innovative system doesn't merely capture images; it comprehensively understands information from a single pixel, which we proudly term as Superintelligent Vision.Join a team of experts who have successfully delivered advanced technologies to Mars for NASA/JPL, co-founded and led infrastructure for OpenAI, developed cutting-edge sensors for U.S. Defense, and created foundational algorithms for spectral and 3D imaging. Together, we are constructing the next generation of infrastructure for vision and intelligence in our physical world.About the RoleWe are on the lookout for a skilled Senior Systems Engineer to take ownership of the end-to-end technical architecture, integration, and mission assurance for a complete remote-sensing space system. In this role, you will act as the technical authority, ensuring that all mission components—from payload and spacecraft to launch, ground operations, and beyond—are cohesively aligned to provide transformative Earth-observation capabilities.Your responsibilities will encompass leading mission systems engineering, orchestrating subsystem integration, maintaining the technical baseline, driving critical design and verification decisions, and guiding the engineering team throughout the entire lifecycle. Your contributions will significantly impact mission feasibility, performance, and long-term operational success.

About Matter IntelligenceAt Matter Intelligence, we are pioneering the future of vision AI by integrating a groundbreaking sensor capable of interpreting molecular chemistry, temperature, and 3D shape with a Large World Model that serves as the most advanced intelligence engine for understanding the physical world. Our innovation goes beyond mere imagery; it comprehensively analyzes data from a single pixel, which we refer to as Superintelligent Vision.Our team is a powerhouse of expertise, having delivered cutting-edge technologies to Mars for NASA/JPL, developed sophisticated sensors for U.S. defense, and constructed foundational infrastructure at OpenAI. We are now venturing into the development of next-generation sensing systems for both space and airborne applications.About the RoleWe are on the lookout for a Senior Optical Systems Engineer who will take charge of the holistic optical performance of intricate electro-optical payloads, overseeing all phases from initial concept and system trades to design, integration, testing, and, where relevant, on-orbit or airborne operations.In this pivotal role, you will serve as the technical authority for optical system performance, adeptly converting mission objectives into optical specifications, guiding the implementation of designs, verifying performance both analytically and experimentally, and facilitating calibration and operations.Collaboration will be key, as you'll engage closely with systems engineering, optomechanical, thermal, electronics, AI&T, and data teams, along with external suppliers and partners.Key ResponsibilitiesOptical System Architecture & TradesDefine and take ownership of optical system architectures for both spaceborne and airborne remote-sensing payloads.Translate mission objectives into precise optical requirements, including resolution, SNR, spectral performance, and stability.Lead comprehensive system-level optical trades regarding aperture, altitude, field of view, spectral bandpass, and detector selection.Support mission-level performance modeling, encompassing radiometric, geometric, and image-quality budgets.Optical Performance AnalysisCreate and maintain thorough optical performance models.Conduct and review analyses including:Radiometry and SNR assessmentsMTF and image quality evaluationsSpectral response and bandpass performance evaluationsSensitivity analyses related to alignment, thermal effects, and structural variations.

About Matter IntelligenceAt Matter Intelligence, we are pioneers in developing cutting-edge Earth-observation systems that integrate innovative sensing technologies with spacecraft and airborne platforms, all enhanced by AI-driven data analysis. Our advanced systems enable unprecedented insights into the physical world, spanning from molecular chemistry to 3D structures, across both spaceborne and airborne missions.Our team is proud to have delivered groundbreaking technologies to Mars for NASA/JPL, engineered advanced sensors for U.S. defense initiatives, and constructed core infrastructure at OpenAI. We are on a mission to create the next generation of space-based and airborne sensing systems.We are committed to craftsmanship, precision, and a strong sense of pride in producing hardware that meets the highest performance standards.About the RoleWe are currently looking for an Electromechanical Technician to play a crucial role in the assembly, integration, testing, and troubleshooting of sophisticated electro-mechanical and electro-optical systems. This position is hands-on and collaborative, requiring close interaction with engineers to build, test, and prepare both flight and experimental hardware.This role supports high-reliability R&D and flight hardware, and is not focused on high-volume production. A keen eye for detail, strong documentation discipline, and comfort working with precision systems are essential attributes for success in this position.

About Matter IntelligenceAt Matter, we are pioneering the future of vision AI by integrating a groundbreaking sensor capable of perceiving molecular chemistry, temperature, and 3D shape, with a Large World Model that serves as the most powerful intelligence engine for understanding the physical world. Our innovative system not only captures visual information but also comprehends the intricate details derived from a single pixel, a concept we refer to as Superintelligent Vision.Our accomplished team has previously delivered technologies to Mars for NASA/JPL, designed advanced sensors for U.S. defense applications, and constructed core infrastructure at OpenAI. We are now embarking on the development of next-generation sensing systems for both space and airborne platforms.About the RoleWe are on the lookout for a Senior Optomechanical Engineer to spearhead the design, analysis, integration, and qualification of high-performance optical payloads suitable for space and airborne applications. This position will entail ownership of the optomechanical architecture and manufacturing readiness of Matter’s imaging systems, guiding them from initial concept through to flight hardware.You will advocate for optomechanical design across various programs, ensuring that optical performance is maintained under structural, thermal, and dynamic environments (STOP). Collaboration will be key as you work closely with optical engineering, systems engineering, thermal, structures, and manufacturing teams, and engage hands-on with flight and test hardware.Key ResponsibilitiesOptomechanical Architecture & DesignLead the optomechanical design of precision optical assemblies, subsystems, and payloads tailored for space-qualified remote-sensing systems.Define mechanical architectures for optical mounts, structures, mechanisms, and interfaces that ensure alignment and performance during launch and in-orbit conditions.Translate optical sensitivities and requirements into mechanical, thermal, and manufacturing specifications.Drive the development of concepts, detailed designs, and ensure design maturity through all review phases.STOP Analysis & Performance AssuranceOwn the optomechanical performance across Structural, Thermal, and Optical Performance (STOP) domains.Conduct and review tolerance analyses, GD&T, structural FEA, thermal, and thermo-elastic evaluations.Collaborate with optical engineers to assist in optical modeling and maintain error budgets.Ensure that all designs meet the rigorous standards required for success in aerospace environments.

About Matter IntelligenceMatter Intelligence is at the forefront of innovation, developing sophisticated Earth-observation systems that merge cutting-edge sensing technologies with spacecraft and airborne platforms, all powered by artificial intelligence. Our systems provide groundbreaking insights into the physical world, ranging from molecular chemistry to 3D structural analysis, utilized in both spaceborne and airborne missions.Our talented team has successfully delivered advanced technologies to NASA/JPL for Mars missions, designed state-of-the-art sensors for U.S. defense applications, and contributed to foundational systems at OpenAI. We are now embarking on the next phase of evolution in space-based and airborne sensing systems.About the RoleWe are on the lookout for a passionate Early Career Systems Engineer to assist in the architecture, integration, analysis, and verification of airborne and spaceborne remote-sensing systems. This position is perfect for recent graduates eager to gain comprehensive experience with real hardware that operates in flight, while honing their systems engineering skills.You will collaborate closely with senior systems engineers and subsystem leaders across various domains (optics, electronics, avionics, mechanical, software, AI&T) to help define requirements, manage interfaces, support integration and testing processes, and ensure achievement of system-level performance metrics.This role promotes a hands-on learning environment, with the opportunity for increased responsibility as you advance.Key ResponsibilitiesSystems Engineering SupportAssist in the development of system architectures for airborne and spaceborne sensing systems.Contribute to the definition, allocation, and traceability of requirements across subsystems.Help create and maintain Interface Control Documents (ICDs).Support system-level trade studies and performance assessments (power, mass, data, timing, pointing).Integration, Test & VerificationAssist in planning and executing system integration activities.Aid in the development of test plans, procedures, and verification matrices.Engage in laboratory integration, functional testing, and field demonstrations.Support the review of test data, anomaly tracking, and documentation processes.Cross-Disciplinary CollaborationCollaborate with teams across optics, mechanical, electronics, and various other disciplines to achieve project goals.

About Matter IntelligenceMatter Intelligence is at the forefront of innovation, developing cutting-edge geospatial AI and sensing technologies that enable us to explore and understand our planet like never before. From space to ground level, we harness planetary data to create meaningful impacts in various fields.About the RoleWe are on the lookout for a talented and detail-oriented UAV Pilot to fly drones equipped with advanced hyperspectral imaging systems. You will be responsible for capturing high-resolution aerial imagery and sensor data across the greater Los Angeles area, with potential travel opportunities across the United States. This position is hands-on and offers flexible hours, ranging from part-time to full-time, with a strong emphasis on safety, compliance, and data integrity during flight operations.Key ResponsibilitiesConduct drone operations to gather high-quality imagery and sensor data as per mission objectives.Effectively operate drone-mounted hyperspectral imaging systems under varying field conditions.Configure, calibrate, and verify hyperspectral sensors and payload settings prior to each mission.Perform thorough pre-flight inspections and equipment checks for optimal performance.Execute flight plans safely and efficiently across diverse environments.Monitor real-time payload operation and sensor control to guarantee precise data acquisition.Troubleshoot drone, payload, and software issues in the field to minimize downtime and ensure mission success.Ensure data quality, completeness, and integrity before departing from field sites.Maintain detailed flight logs, sensor logs, and mission documentation.Collaborate with internal teams for scheduling and data delivery processes.Utilize and debug commercial off-the-shelf (COTS) drone and imaging software to facilitate smooth operations.Manage FAA Part 107 waiver applications when necessary (e.g., altitude waivers).Perform basic maintenance and troubleshooting on equipment.Adapt to changing weather conditions and evolving mission requirements.

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!

Radiant Industries is on the lookout for a Business Systems Analyst who will play a pivotal role in shaping our strategic initiatives aimed at enhancing data-driven decision-making throughout the organization. This position is integral to the development and execution of Radiant’s digital transformation roadmap, ensuring ongoing support for our digital ecosystem. As a key stakeholder in our data architecture development, you will advocate for effective data utilization within cross-functional business intelligence projects. We are seeking a detail-oriented, collaborative individual who is keen to expand their expertise in highly regulated industries.Key Responsibilities:Lead the mapping of business processes, identifying and documenting system requirements to create a consolidated roadmap for digital transformation.Contribute significantly to enterprise system evaluations, ensuring the best fit for business needs while providing critical insights on system configuration and ongoing support.Oversee business intelligence projects from initiation to completion, managing scope definition, resource allocation, timeline management, delivery, maintenance, and executive reporting.Collaborate with cross-functional teams to gather requirements, translate data insights into actionable business recommendations and strategic initiatives for stakeholders.Design, develop, and maintain data models and pipelines that support reporting and analytics initiatives, including the creation of dashboards and reports utilizing BI tools such as Power BI.Work closely with the Software Team and IT to guide the development of sustainable and scalable data architecture, ETL processes, and data warehousing solutions to meet downstream data needs.Expected Deliverables:Partner with cross-functional business leaders to ensure the development and execution of a digital transformation roadmap through enterprise system selection, implementation, and rollout.Develop and maintain scalable BI visual tools and reports that effectively track and display key metrics such as schedule adherence, milestone progression, on-time delivery, performance, and resource utilization.Generate comprehensive reporting that aligns business objectives with facility readiness, regulatory compliance, and production plans.

About Matter IntelligenceMatter Intelligence is at the forefront of developing cutting-edge airborne and spaceborne sensing systems that integrate precision optics, innovative thermal architectures, spacecraft engineering, and AI-enhanced data analysis. Our advanced systems function effectively in challenging orbital and airborne environments, unlocking new possibilities for Earth observation capabilities.With a proven track record of delivering technologies to Mars for NASA/JPL, designing advanced sensors for U.S. defense, and establishing core infrastructure at OpenAI, our team is now focused on creating the next generation of sensing systems for both space and airborne applications.About the RoleWe are looking for a Senior Thermal Engineer who will take charge of the thermal architecture, analysis, and verification of our precision optical payloads and spacecraft systems. This role encompasses ownership of thermal performance from the initial concept stage through integration, testing, and, where applicable, on-orbit operations.You will be responsible for developing and maintaining intricate thermal models, steering thermal trade studies, supporting STOP performance, and collaborating closely with systems, optomechanical, electronics, and AI & T teams to ensure that flight hardware meets all performance requirements throughout every mission phase.This is a hands-on, analytical, and leadership-focused role suited for an engineer seeking significant technical ownership over hardware that operates in flight.Key ResponsibilitiesThermal Architecture & DesignDefine and lead the thermal architecture for optical payloads and spacecraft subsystems.Design both passive and active thermal control solutions, including radiators, heat pipes, thermal straps, insulation, and cryogenic interfaces.Translate mission-level thermal requirements into subsystem- and component-level designs.Support thermal trades to effectively balance performance, mass, power, and complexity.Thermal Modeling & AnalysisDevelop, maintain, and correlate detailed thermal models using industry-standard tools (e.g., Thermal Desktop, SINDA/FLUINT).Conduct steady-state and transient thermal analyses across all mission phases (launch, ascent, on-orbit hot/cold cases, safe modes).Perform in-depth thermal analysis of precision optical elements (mirrors, mounts, focal plane assemblies), including thermo-elastic distortion.Execute thermal assessments at the circuit card and chassis level.

About RadiantRadiant Industries, based in El Segundo, California, 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 anywhere it is needed for up to five years without refueling. This innovative solution offers a sustainable alternative to diesel generators, delivering essential energy support for hospitals, data centers, remote installations, and military bases. By integrating modern software engineering with nuclear technology, we are committed to delivering safe, factory-built microreactors utilizing proven materials. Founded in 2020, we are poised to conduct our first reactor test at the Idaho National Laboratory next year, with initial customer deliveries scheduled to commence in 2028.About the RoleWe are looking for a dedicated Senior Power Systems Engineer to spearhead the design, modeling, and validation of electrical power systems integral to our nuclear microreactor platform. In this pivotal role, you will define the mechanisms of power generation, conditioning, control, and distribution across various environments including grid-connected, islanded, and rapidly deployable settings.You will manage power system studies, from initial architectural considerations to thorough modeling, testing, and validation. Collaborating closely with teams from electrical design, controls, turbomachinery, nuclear, thermal, and software, your efforts will ensure safe, stable, and reliable power delivery under diverse operational and contingency scenarios. This role is crucial to the commercialization of the world's first mass-produced portable nuclear reactors.Responsibilities and Duties:Lead power system modeling and analysis for microreactor power generation systems in both grid-connected and islanded modes.Create and maintain steady-state, dynamic, and electromagnetic transient (EMT) models representing generation assets, loads, protective schemes, and supervisory controls.Conduct power flow, fault analysis, protection coordination, and system stability studies to validate system performance across normal and contingency situations.Assess system behavior during disturbances such as load changes, faults, breaker operations, and generation loss events.Assist in design trade studies to enhance power system architecture, control strategies, and equipment selection.Collaborate cross-functionally to ensure integrated solutions that meet the highest standards of safety and efficiency.

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.

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 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.

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 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.

Join Matter Intelligence as a Test Engineer and be a pivotal part of our innovative team. In this role, you will engage in designing, implementing, and executing test plans to ensure the highest quality of our products. Your expertise will contribute to enhancing our systems and improving user experiences.

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.

About VardaTransforming Low Earth Orbit into a Thriving Marketplace. Varda is at the forefront of developing commercial space infrastructure, facilitating innovations ranging from in-orbit pharmaceutical production to efficient reentry capsules.Our mission is to revolutionize the orbital economy by producing groundbreaking products that directly enhance life on Earth, from life-saving medicines to advanced fiber optics. We are committed to expanding humanity's economic horizons.Our experienced team is composed of industry veterans from SpaceX, Blue Origin, leading pharmaceutical firms, and Silicon Valley. Founded in January 2021 by Will Bruey and Delian Asparouhov, Varda is backed by prestigious investors including Khosla Ventures, Lux Capital, Founders Fund, Caffeinated Capital, General Catalyst, and Also Capital.Headquartered in El Segundo, California, Varda operates offices and a production facility where we design, assemble, and test our vehicles, equipment, and materials. We also maintain locations in Washington, DC and Huntsville, AL.Join us at Varda and contribute to the creation of a vibrant in-space ecosystem.About This RoleVarda is pioneering the world's first space-based manufacturing platform, and we are looking for a skilled Senior Technical Recruiter to expand our engineering teams. This role, reporting to the Recruiting Manager, involves overseeing the end-to-end recruitment process across critical hardware and engineering fields, including autonomous systems, propulsion, thermal, and mechanical engineering.

Senior Engineering TechnicianJoin Radiant Industries as a Senior Engineering Technician and leverage your diverse skill set in the fabrication and assembly of our cutting-edge microreactor unit. As a vital member of our team, you will play a key role in developing both large and small-scale test rigs, crafting prototype parts and tooling, and managing material handling. With significant autonomy, you will help establish and maintain our prototype shop at our new headquarters in El Segundo, California, utilizing your expertise in machining, welding, metal forming, electrical work, and plumbing. Your contributions will be instrumental in achieving the successful fueling of a groundbreaking reactor design by 2026.