Lead Senior Thermal Engineer

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 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 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.

Join Matter Intelligence as an Early Career Test Engineer specializing in advanced sensor technology. In this dynamic role, you will collaborate with cross-functional teams to design, implement, and execute tests that ensure the reliability and performance of our cutting-edge sensor products. You will have the opportunity to contribute to innovative projects that shape the future of technology.

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 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.

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 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.

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!

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.

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!

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.

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.

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. 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

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 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.