Senior Thermal CFD Engineer for Microreactor Analysis
Decisive Point Group
Radiant is seeking a driven Senior Thermal Modeling & Analysis Engineer to own high-fidelity CFD and thermal modeling for the Kaleidos microreactor. You will analyze heat generation and transport across reactor systems, cooling, shielding, and surrounding hardware under steady-state, transient, and off-normal conditions. Your work will directly influence system architecture, component design, material selection, operating limits, test planning, and safety margins. #J-18808-Ljbffr Decisive Point Group
$140.33k - $179.31k
...and Huntsville, AL. Join Varda, and work to create a bustling in-space ecosystem. About this Role As the Senior Thermal Analysis Engineer , you will serve as a key member of the vehicle engineering team to develop and maintain thermal system architectures...SeniorPermanent employmentFull timeInternshipImmediate startRelocation packageFlexible hours$102k - $150k
Spacecraft Thermal Engineer (Mid to Senior Career) - Millennium Space Systems Company: Millennium Space Systems Job Description Millennium... ...'s internal job code is Mechanical System Design & Analysis Engineer. Our team is currently hiring for a level 3-4....SeniorPermanent employmentInterim roleCurrently hiringRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift work$151.3k - $226.9k
...trained mechanical and aerospace engineers, VSD provides national... ...fluid mechanics; propulsion; thermal control; orbital mechanics; mechanisms... ...expertise in the design and analysis of spacecraft thermal control... .... We are looking for a Senior Spacecraft Thermal...SeniorFull timeFor contractorsWork at officeImmediate startRemote workRelocation packageFlexible hours- ...Boeing Company in El Segundo, CA is seeking an Experienced Thermal Product Design Engineer to design Thermal Products and establish mechanical... ...background in thermal and mechanical systems designs and analysis for space applications, and you will work across the product...Senior
- Radiant, based in El Segundo, CA, seeks a Senior Safety Analysis Engineer to lead reactor safety analyses supporting Kaleidos design, testing, and... ...design choices and regulatory submissions. The role combines thermal-hydraulic analysis with fuel performance and radiological...Senior
$140k - $180k
...Description Job Description Senior Aerodynamics Engineer - Own the aero design and... ...meaningful Monte Carlo analysis Use engineering-level tools... ...DATCOM for fast trades and CFD for detailed analysis... ...distributed loads for mechanical and thermal design Model plume and...Senior- ...seeks a Sr. Turbomachinery Aerodynamics Engineer to define operating characteristics and design... ...CO₂ power cycle. The role focuses on CFD modeling, aerodynamic optimization, and experimental... ...compressible flow and cycle performance analysis, with hands-on experience in both...Senior
$130k - $180k
...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 the thermal...SeniorPermanent employmentTemporary workWeekend work$182k - $292.95k
...RoleRadiant is seeking a Principal Thermal Modeling Engineer with deep expertise in CFD and thermal FEA to set the... ...fluid simulation of the Kaleidos microreactor. You will lead the most complex... ...the development of reduced-order analysis methods in partnership with design...Full timeContract workImmediate startRemote workFlexible hoursWeekend work$140k - $170k
...report to [the founders / Head of Engineering]. The vehicle has to maneuver... ...run meaningful Monte Carlo analysis. Run aerodynamic models and... ...DATCOM) for fast trades, and CFD for detailed analysis.... ...loads for the mechanical and thermal designs. Model propulsion and...SeniorPermanent employment- ...world-class team to turn bold ideas into real capability. Senior Thermal Engineer As a Senior Thermal Engineer at Castelion, you will own the... ...develop high-fidelity thermal models, and use first‑principles analysis, simulation, and hardware testing to ensure our vehicles...SeniorContract workFor contractorsWork at officeLocal area
- The Thermal Systems Engineer is responsible for ideating and developing tailored, system-level solutions that align with both technical and performance... ...with heat exchanger design, selection, and performance analysis Experience with air-cooled heat exchanger systems and...Senior
- ...future of the company - regardless of your function. Senior Thermal & TPS Integration Engineer We are seeking multiple Senior Thermal & TPS Integration... ...ablatives, and insulating materials Conduct tolerance analysis and assess thermal expansion, deformation, and...SeniorContract workFor contractorsWork at officeLocal area
- ...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,... ...experience with a pioneering nuclear microreactor program and opportunities to develop methods...Summer workInternship
$140.33k - $179.31k
...this Role Varda is seeking an Senior Aerodynamics and Flight Mechanics Engineer to support operation of Varda's current... ...computational fluid dynamics (CFD) simulations and supporting wind... ...input to GNC, TPS sizing, and mission analysis Plan, execute, and reduce data...SeniorPermanent employmentFull timeInternshipImmediate startRelocation packageFlexible hours- ...Senior Power Electronics EngineerThe Senior Power Electronics Engineer will play a pivotal role in the design and... ...electronics design, analysis, simulation, and component... ...the first nuclear microreactor to market.... ...efficiency, and conduct thermal analysis of the inverter...SeniorFull timeImmediate startRemote workFlexible hoursWeekend work
- ...is seeking a highly motivated Nuclear Engineer at their El Segundo HQ. The successful... ...engineering solutions for the Kaleidos microreactor, including areas such as radiation shielding... ...nuclear design, conducting transient analysis, and clear communication with...Senior
- Radiant in El Segundo, CA, seeks a Senior Mechanical Engineer for their innovative portable nuclear microreactor project. This role involves designing critical mechanical... ...experience in mechanism design and stress analysis. Successful applicants will be responsible for...Senior
$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$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$86.6k - $150.4k
...trained mechanical and aerospace engineers, VSD provides national... ...fluid mechanics; propulsion; thermal control; orbital mechanics; mechanisms... ...expertise in the design and analysis of spacecraft thermal control... ...Spacecraft Thermal Engineer (Senior Member of the Technical Staff...For contractorsWork at officeImmediate startRemote workRelocation packageFlexible hours$133.5k - $184.8k
...factory-built, 1-megawatt, fail-safe microreactor that can be transported by land, sea... ....About the RoleRadiant is seeking a Senior Manufacturing Engineer to help transition Kaleidos from a... ...issues using structured root-cause analysis and implement durable corrective actions...SeniorFull timeContract workPart timeImmediate startRemote workFlexible hoursWeekend work- ...experience the joy and freedom of flight.SENIOR STRESS ANALYST - EL SEGUNDO, CA Skyryse... ...responsible for performing detailed structural analysis on primary and secondary aircraft... ...Conditions)Collaborate closely with design engineering, manufacturing, and flight test...SeniorFull time
$140k - $180k
...Varda is seeking an experienced Senior Structures Engineer to join our team. In this position, you... ...will be responsible for the design, analysis, build and test of primary and secondary... ...hardware design decisions on packaging, thermal, environmental, and loads to ensure...SeniorPermanent employmentFull timeInternshipImmediate startRelocation packageFlexible hours$33 per hour
Thermal Engineering Internship - Summer 2027 About Varda Low Earth orbit is open for business. Varda is accelerating the development of commercial... ...Thermal team you will get to work on the vehicle thermal analysis model to generate temperature predictions for our tests and...Hourly payPermanent employmentFull timeSummer workInternshipLocal areaRelocationRelocation packageFlexible hours$133.5k - $184.8k
...RoleRadiant is seeking a highly motivated Senior Structures Engineer to design and develop critical... ...material selection, detailed structural analysis, assembly, integration, and testing.... ...iteratively improved.Experience resolving thermal expansion issues in designs....SeniorFull timeContract workImmediate startRemote workFlexible hoursWeekend work- Reactor Operations Engineer We are seeking a Reactor Operations Engineer... ...our groundbreaking nuclear microreactor technology. This role offers... ...Reactor Operators (ROs) and Senior Reactor Operators (SROs) can... ..., including system design, analysis, or testing. Proficiency in...SeniorFull timeImmediate startRemote workFlexible hoursWeekend work
$111.35k - $150.65k
Experienced Thermal Product Design Engineer Company: The Boeing Company Boeing Defense, Space & Security (BDS) team is seeking an Experienced... ...background in thermal and mechanical systems designs and analysis in space applications. Position Responsibilities :...Permanent employmentRelocationVisa sponsorshipWork visaFlexible hoursShift work- A leading engineering firm in El Segundo seeks a highly motivated Senior Structures Engineer. This role involves designing and analyzing critical structures, performing detailed thermomechanical and dynamic analysis, and developing manufacturing plans. Candidates should...SeniorFlexible hours
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