Thermal Engineer | Nuclear Microreactor CFD & Analysis
Radiant
Radiant, an El Segundo, CA-based startup developing portable nuclear microreactors, seeks a highly motivated Thermal Engineer to join our team. You will perform thermal analysis and CFD to evaluate Kaleidos system design and contribute to fast-paced, hands-on engineering. Responsibilities include expanding CFD capabilities, documenting results for stakeholders, and building CAD-integration pipelines. Ideal candidates hold a BS/MS in an engineering field and can work independently in a startup. #J-18808-Ljbffr Radiant
- ...Segundo, CA is seeking a highly motivated Thermal Engineer Intern to join the team for Summer 2027. You will perform thermal analysis and CFD on Kaleidos systems, document results... ...-on experience with a pioneering nuclear microreactor program and opportunities to develop...SuggestedSummer workInternship
$139.5k - $224.7k
...mass-produced, portable nuclear microreactors. The... ...-megawatt, fail-safe microreactor that can be transported... ...modern software engineering to rapidly deliver safe... ...seeking a driven Senior Thermal Modeling & Analysis Engineer to own high-fidelity CFD and thermal modeling...SuggestedFull timeSummer workImmediate startRemote workFlexible hours$139.5k - $224.7k
...produced, portable nuclear microreactors. The... ..., fail-safe microreactor that can be transported... ...leverages modern software engineering to rapidly deliver... ...a driven Senior Thermal Modeling Engineer with expertise in CFD and thermal FEA... ...thermal CFD analysis to evaluate design...SuggestedFull timeSummer workImmediate startRemote workFlexible hoursWeekend work$139.5k - $224.7k
...produced, portable nuclear microreactors. The... ..., fail-safe microreactor that can be transported... ...leverages modern software engineering to rapidly deliver... ...a driven Senior Thermal-Hydraulics... ...with expertise in CFD and thermal FEA modeling... ...thermal CFD analysis to evaluate design...SuggestedFull timeSummer workImmediate startRemote workFlexible hoursWeekend work- Pow.bio is seeking a Senior Thermal-Hydraulics Engineer in El Segundo, CA to design and implement simulations for the Kaleidos microreactor. This role requires expertise in CFD and thermal FEA modeling and involves collaboration across teams to solve complex engineering...SuggestedFull time
$139.5k - $196.88k
...produced, portable nuclear microreactors. The... ..., fail-safe microreactor that can be transported... ...leverages modern software engineering to rapidly deliver... ...a Senior Nuclear Thermal-Hydraulics... ...and coupled physics analysis for the Kaleidos... ...Experience with commercial CFD/FEA tools (STAR-...Full timeSummer workImmediate startRemote workFlexible hoursWeekend work- Radiant is seeking a Materials Engineer in El Segundo, CA to lead materials testing, property evaluation, and data-driven design decisions... ...related fields, hands-on lab experience, and comfort with data analysis and cross-functional collaboration within a fast-growing...
- ...an El Segundo, CA-based startup, is building portable nuclear microreactors. We seek a Test Engineer to drive mission-critical test operations for... ...procedures, while contributing to risk assessment, data review, and hardware performance analysis. #J-18808-Ljbffr Radiant
- Summer 2027 Internship - Thermal Engineer Radiant is an El Segundo, CA... ...mass-produced, portable nuclear microreactors. The company... ...is a 1-megawatt, fail-safe microreactor that can be transported anywhere... ...and execute thermal analysis and CFD to evaluate design and performance...Summer workInternshipSummer internshipRemote work
- Radiant, based in El Segundo, CA, seeks a Senior Safety Analysis Engineer to lead reactor safety analyses supporting Kaleidos design, testing... ...design choices and regulatory submissions. The role combines thermal-hydraulic analysis with fuel performance and radiological...
$130k - $180k
...actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.SR. THERMAL ENGINEER, THERMAL & FLUID ANALYSIS (STARSHIP)As a Senior Thermal Engineer on the Starship Thermal & Fluids analysis team, you are responsible for...Permanent employmentTemporary workWeekend work$100k - $117.5k
...ultimate goal of enabling human life on Mars.THERMAL ENGINEER (FALCON, DRAGON & STARFALL)The Aero/... ...-to-built-hardware thermal design and analysis.RESPONSIBILITIES:Own the thermal design... ...aerodynamics and aerothermal analysis; exposure to CFD (FUN3D, DPLR, US3D, LociChem) and mesh...Permanent employmentTemporary workInternshipWeekend work$20k
...possible, with the ultimate goal of enabling human life on Mars.THERMAL ENGINEER (STARSHIELD)Starshield leverages SpaceX’s Starlink technology... ..., launch vehicles, and hardware, from initial high-level analysis down to validation of performance with ground tests, flight,...Permanent employmentTemporary workInternshipRemote workWeekend work$140.33k - $179.31k
...Washington, DC and Huntsville, AL. Join Varda, and work to create a bustling in-space ecosystem.About this RoleAs the Senior Thermal Analysis Engineer, you will serve as a key member of the vehicle engineering team to develop and maintain thermal system architectures and...Permanent employmentFlexible hours- Radiant, an El Segundo, CA-based startup, seeks a Principal or Staff Electrical Engineer to define and lead the electrical architecture for Kaleidos, our 1-megawatt microreactor. You will own full-stack PCB development, mixed-signal design, and high-speed interfaces to...
$106.5k - $146.48k
...mass-produced, portable nuclear microreactors. The... ...1-megawatt, fail-safe microreactor that can be transported... ...leverages modern software engineering to rapidly deliver... ...and design, transient analysis, and radiation detection... ...neutronics and thermal calculations to further...Full timeSummer workImmediate startRemote workFlexible hoursWeekend work$150.03k - $211.84k
...mass-produced, portable nuclear microreactors. The... ...1-megawatt, fail-safe microreactor that can be transported... ...leverages modern software engineering to rapidly deliver... ...pivotal in the safety analysis, you will play a key role... .... Basic knowledge of thermal hydraulic principles....Full timeSummer workImmediate startRemote workFlexible hoursWeekend work$75k - $125k
...Thermal Engineer El Segundo, California A New Paradigm For Space Operations. Who We Are: Space Kinetic is a dual use space technology... ...is looking for a Thermal Engineer to assist with thermal analysis, hardware design, hardware acquisition, and test within the...Permanent employmentFor subcontractorFlexible hours$95k - $115k
...Thermal Engineer Department: Vehicle Engineering Employment Type: Full Time Location: Redondo Beach Reporting To: Seth... ...for thermal management of spacecraft from concept, analysis, and design, to implementation, testing, and flight while working...Permanent employmentFull time$33 per hour
...graduate degree program. As a part of the Thermal team you will get to work on the vehicle thermal analysis model to generate temperature predictions for our... ...pursuing a degree in Mechanical, Aerospace, or related Engineering discipline Completed coursework in:...Hourly payPermanent employmentFull timeSummer workInternshipLocal areaImmediate startRelocationRelocation packageFlexible hours$185k - $225k
...mass-produced, portable nuclear microreactors. The... ...1-megawatt, fail-safe microreactor that can be transported... ...leverages modern software engineering to rapidly deliver... ...the nuclear design and analysis of Kaleidos. You will... ...activation and dose, thermal-hydraulics, safety analysis...Full timeSummer workImmediate startRemote workFlexible hoursShift work$173k - $237.3k
...mass-produced, portable nuclear microreactors. The... ...1-megawatt, fail-safe microreactor that can be transported... ...leverages modern software engineering to rapidly deliver... ...organize nuclear design and analysis strategy spanning the... ...across nuclear, thermal, electrical, and mechanical...Full timeSummer workImmediate startRemote workRelocationFlexible hoursShift workWeekend work$195.71k - $262.5k
...mass-produced, portable nuclear microreactors. The company... ...a 1-megawatt, fail-safe microreactor that can be transported anywhere... ...modern software engineering to rapidly deliver safe,... ...shielding, activation and dose, thermal-hydraulics, safety analysis, instrumentation and...Full timeSummer workImmediate startRemote workFlexible hoursShift work$86.6k - $150.4k
...Spacecraft Thermal Engineer The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems... ..., trusted engineers with deep expertise in the design and analysis of spacecraft thermal control systems from component to system...Full timeFor contractorsWork at officeImmediate startRemote workRelocation packageFlexible hours$190k - $220k
...- $220,000 / year Department: Software Engineering Location: Hawthorne, California Compensation... ...to support development of active thermal control systems for extra-terrestrial rovers... ...development will include simulation, analysis, and design of vehicle thermal control systems...Flexible hours- ...ultimate goal of enabling human life on Mars.ENVIRONMENTAL & THERMAL CONTROL ENGINEER (DRAGON)RESPONSIBILITIES:Own piece parts and assembled... ...process mapping, and fault analysisExperience performing pareto analysis, root cause and corrective action experienceExperience...Permanent employmentTemporary workWeekend work
$119.54k - $152.75k
...create a bustling in-space ecosystem.About this RoleAs the Thermal Hardware and Test Engineer II, you will be responsible for hardware design, build,... ...active and passive thermal control systems with thermal analysis engineers for payload and vehicle thermal controlInform...Permanent employment$170k - $230k
...Description Senior Thermofluids Engineer - Design and simulate the heat... ...CAD and running internal-flow CFD on it. You will be the... ...units. Job Duties Own the thermal and hydraulic design of the recuperator... ..., closing the loop between analysis and design Build and...$33 per hour
...undergraduate or graduate degree program. As a part of the Thermal team you will get to work on the vehicle thermal analysis model to generate temperature predictions for... ...a degree in Mechanical, Aerospace, or related Engineering discipline Completed coursework in: Heat...Hourly payPermanent employmentFull timeSummer workInternshipLocal areaRelocationRelocation packageFlexible hours- ...mission is to make clean, high-temperature nuclear power scalable—unlocking abundant... ...manufacturing. We are a team of builders, engineers, and operators who believe nuclear... ...In this role, you’ll be responsible for thermal analysis of cutting edge turbomachinery rotors and...Permanent employment
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