Research Engineer in Aerosol & Spray Systems

For over 50 years, ENSCO has delivered cutting-edge engineering, scientific, and advanced technology solutions to both government entities and private sectors across the globe.At ENSCO, we take pride in our commitment to pioneering advanced technologies that ensure mission success. Our team excels in systems engineering, integration, and advanced technology services that enhance the safety, security, and resilience of critical operations on land, in the air, in space, and within the interconnected information systems that link these domains.Learn more about ENSCO.Position DescriptionENSCO Inc. is on the lookout for a talented SATCOM Requirements Systems Engineer to join our dynamic systems engineering team. This pivotal role involves defining the next generation of space communication systems tailored to support the United States Space Force (USSF) satellite communications. The selected candidate will engage in Systems Engineering & Integration (SE&I) activities within a multidisciplinary and collaborative setting. Key responsibilities include interfacing and working alongside SE&I team members, contractors, government personnel, and USSF representatives. The candidate will lead and facilitate multiple working groups, driving technical discussions, identifying risks and requirement gaps, creating briefings, documenting action items, and taking meeting minutes.The MILSATCOM Systems Engineering, Integration, and Test (MSEIT) initiative provides state-of-the-art SE&I support for the US Space Force's Space Systems Center (SSC). Our mission is to assist the Space Force in acquiring advanced satellite communications systems that offer global secure, survivable, and protected communications for our nation’s military personnel. We are looking for innovative individuals who thrive in a collaborative environment, utilizing the latest tools and methodologies to address the complexities of integrating advanced space and ground communications systems. This position is based in El Segundo, CA, and includes various responsibilities, such as:Supporting Model-Based Systems Engineering (MBSE) activities to facilitate the development and maintenance of technical requirements.

For over five decades, ENSCO Inc. has been at the forefront of delivering innovative engineering, scientific, and advanced technology solutions to both government and private sectors globally.Our commitment to excellence drives us to develop and implement sophisticated technologies that ensure mission success. We specialize in systems engineering, integration, and advanced technology services aimed at enhancing the safety, security, and resilience of critical operations across terrestrial, aerial, and space domains, as well as the information systems that interconnect them.Discover more about ENSCO.Position OverviewENSCO Inc. is on the lookout for a talented SATCOM Test & Evaluation Engineer. Join our dynamic systems engineering team as we define the future of space communication systems that support the US Space Force (USSF) satellite communications. This role involves collaborating in a multidisciplinary environment to support Systems Engineering & Integration (SE&I) activities.The ideal candidate will interface with SE&I team members, contractors, government personnel, and USSF representatives, taking a lead role in working groups to facilitate technical discussions, identify and mitigate risks, address requirement gaps, create briefings, track action items, and document meeting minutes.As part of the MILSATCOM Systems Engineering, Integration, and Test (MSEIT) initiative, we provide cutting-edge SE&I support to the USSF’s Space Systems Center (SSC). Our mission is to aid the Space Force in acquiring state-of-the-art satellite communications systems that provide secure, survivable, and protected communications for our nation's military personnel. We seek individuals who thrive in collaborative settings and are eager to tackle the complexities of integrating advanced space and ground communication systems. This role is based on-site in El Segundo, CA.Key Responsibilities include, but are not limited to:Developing Test and Evaluation strategies, creating Test and Evaluation Master Plan (TEMP) content, and formulating verification plans.

We are seeking a dynamic Systems Integration Engineer to join our innovative team at Radiant Industries. In this role, you will be responsible for designing, implementing, and optimizing integrated systems that enhance operational efficiency and performance. You will collaborate closely with cross-functional teams to ensure seamless integration of complex systems.As a Systems Integration Engineer, you will have the opportunity to work on exciting projects that push the boundaries of technology and innovation. Your expertise will be essential in analyzing system requirements, developing integration strategies, and troubleshooting any issues that arise.

With over 50 years of experience, ENSCO Inc. has been at the forefront of delivering innovative engineering, science, and advanced technology solutions to government and private sectors globally.We take pride in our ability to create and implement cutting-edge technologies that ensure mission success. Our services encompass systems engineering, integration, and advanced technologies that enhance the safety, security, and resilience of critical missions across various domains, including ground, air, space, and information systems.Discover more about ENSCO.Position DescriptionWe are currently looking for a Senior Evolved Strategic Systems (ESS) Program Systems Integration Engineer to join our dynamic Systems Engineering team. This team is responsible for shaping the future of space communication systems that support the Air Force Military Satellite Communications. The successful candidate will engage in Systems Engineering & Integration (SE&I) activities within a multidisciplinary and collaborative framework. You will be expected to collaborate with SE&I team members, contractors, government personnel, and members of the USAF. This role includes leading and supporting multiple working groups to facilitate technical discussions, identify and mitigate risks, address requirement gaps, create briefings, track action items, and document meeting minutes.The MILSATCOM Systems Engineering, Integration, and Test (MSEIT) initiative offers advanced SE&I capabilities for the Air Force’s Space and Missiles System Center. We play a crucial role in the acquisition of state-of-the-art Military Satellite Communications systems, ensuring secure, survivable, and protected communications for our nation’s military personnel. We are seeking technically adept individuals who can thrive in a highly collaborative small team environment, utilizing the latest tools and methodologies to overcome the complexities of integrating sophisticated space and ground communication systems. This position is based on-site in El Segundo, CA. Key responsibilities include but are not limited to:Developing and executing integration strategies and processes to ensure the successful integration of satellite communication systems, segments (Ground, Space, Crypto, Terminals), subsystems, elements, and components; managing the technical baselines among various stakeholders.Conducting thorough analyses of system requirements that define the technical frameworks necessary for successful project execution.

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.

Join cx2 as an Electromagnetic Warfare Systems Engineer, where you'll play a pivotal role in designing, developing, and implementing advanced electromagnetic systems. You will collaborate with a dynamic team of engineers to tackle complex challenges and innovate cutting-edge solutions that enhance national security.

About Radiant IndustriesRadiant Industries, based in El Segundo, CA, is pioneering the development of the world's first mass-produced, portable nuclear microreactors. Our flagship product, Kaleidos, is a 1-megawatt, fail-safe microreactor designed for mobility and operational longevity, capable of running for up to five years without refueling. This groundbreaking technology is set to replace diesel generators in various critical applications, including hospitals, data centers, remote locations, and military bases. Our innovative approach integrates modern software engineering with nuclear development to deliver safe, factory-produced microreactors using proven materials. Founded in 2020, Radiant is preparing to test its inaugural reactor at the Idaho National Laboratory next year, with customer deliveries commencing in 2028.Position Overview: Control Systems Test EngineerWe are looking for a driven and meticulous Control Systems Test Engineer to join our dynamic team. In this crucial role, you will take charge of developing, maintaining, executing, and automating comprehensive test cases throughout the testing lifecycle for our reactor control systems. You will work collaboratively with systems engineers, controls developers, and software teams to uphold the highest standards of quality and reliability in our safety-critical control software.Key ResponsibilitiesAnalyze and assess control system Simulink models and related design documents to gain insights into system behavior and expected performance.Interpret system requirements for the reactor control system to establish thorough test coverage.Create and manage detailed test artifacts, including:Unit test casesSoftware-in-the-Loop (SiL) test casesHardware-in-the-Loop (HiL) test casesHardware test casesConduct all testing phases:Unit testingSiL testingHiL testingFull hardware testingAutomate testing workflows for SiL, HiL, and hardware test cases utilizing scripting languages such as Python or Go (Golang).Organize and oversee structured test campaigns, including regression suites.

Senior Mechanical Engineer - Fluid SystemsRadiant Industries is on the lookout for an enthusiastic and experienced Senior Mechanical Engineer specializing in Fluid Systems. This pivotal role involves overseeing the design and development of critical Kaleidos fluid systems, guiding projects from initial design to production. These systems are essential for converting reactor core heat into electrical power.As a key member of our engineering team, you'll engage in trade studies, component selection, thermal hydraulic analysis, piping design, vendor evaluation, assembly, and rigorous testing. Your contributions will play a vital role in launching the first new commercial reactor design in over 50 years by 2026.Responsibilities:Lead the engineering process for fluid systems and components, including compressors, valves, and heat exchangers.Conduct complex thermal and fluid analyses to inform design choices, validate system performance, and maintain structural integrity using hand calculations and finite element analysis tools.Perform trade studies to enhance system performance and fulfill program requirements.Create and implement manufacturing and assembly instructions along with test plans.Manage and maintain a comprehensive Bill of Materials (BOM).Identify and cultivate relationships with suppliers for all components.Oversee the design, manufacturing, and testing schedules for subassemblies.Conduct risk analysis (FMEA) for subsystems.Gather requirements and provide guidance and constructive feedback to engineers across various disciplines.Qualifications:Bachelor’s degree in Mechanical, Materials, Aeronautical, Civil, or Structural Engineering from an accredited institution.Proven experience in fluid system architecture design.A minimum of 4 years of experience in designing, building, and testing fluid systems.In-depth knowledge of fluid dynamics and thermodynamics.Solid understanding of heat exchanger design and analysis techniques.

About VardaLow Earth orbit is open for business. Varda is at the forefront of developing commercial space infrastructure, ranging from in-orbit pharmaceutical processing to cutting-edge, economical reentry capsules.We are pioneering innovations in the orbital economy by creating products and infrastructure that enable space to tangibly enrich life on Earth. Our mission is to expand the economic horizons of humanity.Our exceptional team, composed of veterans from SpaceX, Blue Origin, leading pharmaceutical companies, and Silicon Valley, is uniquely equipped to achieve this vision. Founded in January 2021 by Will Bruey and Delian Asparouhov, Varda is supported by esteemed investors including Khosla Ventures, Lux Capital, Founders Fund, Caffeinated Capital, General Catalyst, and Also Capital.Headquartered in El Segundo, California, Varda boasts offices and a production facility dedicated to the construction, integration, and testing of our vehicles, equipment, and materials. We also have locations in Washington, DC and Huntsville, AL.Join Varda and be part of shaping a thriving ecosystem in space.

About VardaLow Earth orbit is open for business. Varda is pioneering the development of commercial space infrastructure, ranging from in-orbit pharmaceutical processing to economical reentry capsules.From critical pharmaceuticals to advanced fiber optics, numerous products essential on Earth can only be produced in the unique environment of space. Varda is at the forefront of innovation in the orbital economy, establishing both the products and infrastructure necessary for space to significantly benefit life on Earth. Our mission is to expand the economic frontiers of humanity.Our team is exceptionally equipped to achieve this ambition, comprising veterans from SpaceX, Blue Origin, leading pharmaceutical firms, and Silicon Valley. Varda was founded in January 2021 by Will Bruey and Delian Asparouhov, backed by prominent investors including Khosla Ventures, Lux Capital, Founders Fund, Caffeinated Capital, General Catalyst, and Also Capital.With headquarters in El Segundo, California, Varda operates offices and a production facility where our vehicles, equipment, and materials are designed, integrated, and tested, and we also maintain offices in Washington, DC, and Huntsville, AL.Join Varda and be part of creating a thriving in-space ecosystem.

About VardaLow Earth orbit is open for business. Varda is at the forefront of developing commercial space infrastructure, ranging from in-orbit pharmaceutical manufacturing to cost-effective reentry capsules.With the potential to create life-saving pharmaceuticals and advanced fiber optics, Varda is pioneering innovations that will enable the orbital economy to directly enhance life on Earth. Our mission is to expand the economic frontiers of humanity.Our 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 has garnered support from distinguished investors including Khosla Ventures, Lux Capital, Founders Fund, Caffeinated Capital, General Catalyst, and Also Capital.Headquartered in El Segundo, California, we operate from our offices and production facility where our vehicles, equipment, and materials are designed, integrated, and tested. We also have locations in Washington, DC and Huntsville, AL.Join Varda to help create a thriving in-space ecosystem.About This RoleVarda is on the lookout for a Senior Systems Engineer, Flight Safety to act as the lead architect for mission safety and reentry compliance. As part of our Mission Assurance team, you will spearhead the development of Flight Safety Analysis and the regulatory strategy essential for FAA Part 450 and Range Safety licensing. This is a highly collaborative position that connects various functions across the organization.

Join Vardaspace as a Thermal Hardware Engineer specializing in Passive & Active Control Systems. In this role, you will be at the forefront of innovative thermal management solutions, ensuring the efficiency and reliability of our cutting-edge technologies. Collaborate with a dynamic team to design, develop, and test thermal hardware components that meet rigorous performance standards.

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.

Join Radiant Industries as a Mechanical Engineer specializing in Fluid SystemsWe are on the lookout for a dynamic Mechanical Engineer to take the helm of our Kaleidos fluid systems, guiding them from initial design through to production. This role involves working with critical subsystems, including the primary loop and power conversion loop, which play a pivotal role in transforming reactor core heat into electrical power. Your expertise will be crucial in shaping the future of commercial reactor design, aiming for the first new design in over 50 years by 2026.Key Responsibilities:Lead the engineering of fluid systems and components, such as compressors, valves, and heat exchangers.Conduct advanced thermal and fluid analysis to inform design choices, validate system performance, and maintain structural integrity through first-principle calculations and finite element analysis.Perform trade studies to enhance system efficiency and meet project specifications.Create and implement manufacturing/assembly instructions and testing protocols.Develop and maintain a comprehensive Bill of Materials (BOM).Source and cultivate relationships with suppliers for all components.Oversee design, manufacturing, and testing schedules for subassemblies.Conduct risk assessments (FMEA) for subsystems.Gather requirements and provide constructive feedback to cross-functional engineering teams through effective communication.

Join Radiant Industries as a passionate and driven Mechanical Engineer in Fluid Systems - 2026 New Graduate within our KDU Engineering team. You will play a pivotal role in the design, assembly, and testing of the Kaleidos Development Unit (KDU) – marking the United States’ first new fueled reactor design in over half a century. This is your chance to take ownership of significant projects that drive KDU’s readiness for fueled operations while collaborating with a diverse team of engineers.Key ResponsibilitiesParticipate actively in the design, analysis, and testing of fluid subsystems for the KDU.Take full ownership of deliverables from initial concept through to build and validation, with mentorship from senior engineers.Work collaboratively across disciplines to integrate designs and solve technical challenges.Assist in system-level testing, troubleshooting, and iterative design processes to expedite KDU development.Effectively communicate results through design reviews, technical reports, and presentations to team members and leadership.Required Skills and QualificationsBachelor's degree in Mechanical Engineering, Aerospace Engineering, or a related field (completed or expected by Spring 2026).Strong grounding in engineering fundamentals, particularly in thermodynamics and fluid mechanics.Hands-on experience in design and construction through projects, research, lab work, or internships.Proficiency with engineering tools such as CAD, analysis software, and laboratory instrumentation.Preferred Skills and QualificationsMaster's degree in Mechanical Engineering, Aerospace Engineering, or a related discipline (completed or currently pursuing).Relevant internship, co-op, or project experience pertaining to fluid systems.Ability to independently tackle complex engineering challenges and proactively seek resources.Adept at thriving in a dynamic, startup environment with a collaborative, mission-oriented approach.Genuine enthusiasm for Radiant’s mission to swiftly deploy nuclear microreactors in remote areas requiring sustainable, clean energy.Familiarity with reactor physics is advantageous but not mandatory.Additional InformationThis position is located on-site at Radiant’s headquarters in El Segundo, California.

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

About 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 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 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.