Senior Data Engineer, Economy RobloxSenior Data Engineer, EconomySan Mateo, CA$243,290–$295,250 / yearEvery day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.
Thermal Engineer II Firefly Aerospace IncThermal Engineer IICedar Park, TXTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Firefly offers outstanding benefits for our employees, including generous health, dental and vision plans with low plan deductibles, parental leave, educational reimbursement, short term disability, and flexible PTO options.
2027 Spacecraft Thermal Engineer The Aerospace Corp2027 Spacecraft Thermal EngineerEl Segundo, CA$100,000–$140,000 / yearComprised primarily of highly-trained mechanical and aerospace engineers, VSD provides national expertise in the areas of vehicle engineering; guidance, navigation, and controls; robotics; electro-mechanical devices; embedded systems; fluid mechanics; propulsion; thermal control; orbital mechanics; mechanisms; structures; structural dynamics; and dynamic environments. We are looking for a Spacecraft Thermal Engineer (Senior Member of the Technical Staff / Member of the Technical Staff - Aeronautical and Mechanical Engineering) with a strong background in the disciplines of heat transfer and thermal engineering and their applications to space systems; and direct experience in thermal design and control of spacecraft.
Spacecraft Thermal Engineer II Firefly Aerospace IncSpacecraft Thermal Engineer IICedar Park, TXOur small- to medium-lift launch vehicles, lunar landers, and orbital vehicles allow us to service the entire lifecycle of government and commercial missions from low Earth orbit to the Moon and beyond. We utilize carbon composite structures, patented propulsion technologies, and common components across our vehicles to iterate quickly, improve reliability, and deliver payloads at a lower cost.
Thermal Engineer AstroForgeThermal EngineerSeal Beach, California$125,250–$148,500 / yearSalary Level II: $125,250 - $148,500 Level III: $140,250 - $168,500 Level IV: $160,250 - $210,500 ITAR Requirements To conform to U.S. Government export regulations, including the International Traffic in Arms Regulations (ITAR), you must be a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Government. Responsibilities Architect the end-to-end thermal control system for deep space mining spacecraft, encompassing subsystems like radiators, multi-layer insulation (MLI), heaters, sensors, and thermal coatings.
Aerospace Systems Engineer II PTF ConsultingAerospace Systems Engineer IITustin, CaliforniaJoin our team as an Aerospace Systems Engineer II and contribute to the advancement of aerospace innovation by taking on diverse, impactful projects in a collaborative environment, where your contributions are valued and your growth is fostered through hands-on experience. A Day in the Life: We're looking for a Systems Engineer who is passionate about solving complex challenges in aerospace and enjoys working closely with others to make big ideas a reality.
Thermal Engineer DensityAIThermal EngineerMountain View, CaliforniaYou'll take thermal solutions from concept through production: building the models, running the simulations, designing the solution, and then proving it on real hardware. Drive hands-on thermal simulations in Ansys Icepak (or equivalent) and 1D flow network modeling (Macroflow or equivalent) for system-level analysis.
Staff Aerodynamics Engineer Relativity SpaceStaff Aerodynamics EngineerLong Beach, CA$164,000–$246,000 / yearAny unsolicited submission - via email, our website, social media, or directly to an employee - will be deemed the property of Relativity Space, and no fee will be owed absent a current, fully executed agreement with Talent Acquisition that specifically authorizes submissions for the applicable role. Recently, we completed the preliminary design and analysis of Terran R including Relativity's first-ever work on launch vehicle reusability, spanning advanced trajectory simulations, wind tunnel testing, and structures analysis, among many other projects.
Senior Fuel Handling System Design Engineer System OneSenior Fuel Handling System Design EngineerBellevue, WARemote$69–$115 / hourSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Develop analyses such as thermal, seismic, structural, pipe stress, heat transfer, and integrate results into plant design delivery.
Fuel Handling System Design Engineer System OneFuel Handling System Design EngineerBellevue, WARemote$52–$85 / hourSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Develop analyses such as thermal, seismic, structural, pipe stress, heat transfer, and others, integrating results into plant design delivery.
NewAirbreathing Propulsion Engineer Johns Hopkins Applied Physics LaboratoryAirbreathing Propulsion EngineerLaurel, MarylandFull timeYou will work with experienced engineers to design, analyze, and evaluate advanced hypersonic air-breathing propulsion systems supporting U.S. Department of Defense programs. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
Aerodynamic Engineer Johns Hopkins Applied Physics LaboratoryAerodynamic EngineerLaurel, MarylandFull timePredict the aerodynamic characteristics of various air-vehicle configurations, including hypersonic re-entry vehicles, supersonic and hypersonic air-breathing concepts, and subsonic fixed-wing or rotorcraft air vehicles using first order aerodynamic prediction codes and CFD simulations. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
Senior Aerospace Engineer Johns Hopkins Applied Physics LaboratorySenior Aerospace EngineerLaurel, MarylandFull timeYour primary responsibility will be to perform applied computational analysis using commercial CFD software packages to simulate the flight environments of various vehicles including missiles, aircraft, and drones during launch, boost, midcourse, and glide portions of trajectories. Contribute to the creation and validation of aerodynamic models, supporting flight‑test campaigns and wind‑tunnel programs for next‑generation missile and aircraft designs.
Thermal Engineer Nexthop Systems IncThermal EngineerSanta Clara, CAExperience and deep working knowledge of data center air cooling technologies, practices, and strategies: Vapor chambers, heat pipes, and other phase change devices Various heat sink types and design parameters High performance fans and their selection/operating parameters Thermal interface materials and their selection/design parameters Environmental requirements Rack mounted ITE design constraints. This role is critical in ensuring the efficient performance of high-power next-generation networking systems tailored for cutting-edge AI infrastructures.
NewProduct Engineer A.O. SmithProduct EngineerAppleton, WIThe company is one of the world’s leading manufacturers of residential and commercial water heating equipment and boilers, as well as a manufacturer of water treatment products for residential and light commercial applications. This role focuses on continuous improvement, cost optimization, product quality, and maintaining accurate engineering documentation using SolidWorks.
Staff Aerothermal CFD Engineer InversionStaff Aerothermal CFD EngineerLos Angeles, CA$161,000–$221,000 / yearITAR Compliance: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. The company's highly maneuverable reentry spacecraft, Arc, is designed for rapid global cargo delivery, hypersonic testing, and other national security missions that require precise, controlled flight through the atmosphere.
NewCFD Engineer RemoteJobsOneCFD EngineerAtlanta, GeorgiaRemote$50–$150 / hourThis opportunity enables you to impact the future of engineering by ensuring that AI systems can accurately interpret, solve, and explain complex computational fluid dynamics challenges across mesh generation, turbulence modeling, multiphase and heat-transfer simulation, solver setup, and verification & validation. At least 3 years of hands-on experience conducting and validating CFD simulations, including mesh generation, solver setup, turbulence modeling, multiphase/heat-transfer analysis, or post-processing in industries such as aerospace, automotive, energy, marine, HVAC, process, or biomedical.
NewRemote | CFD Engineer — $50–$150/hour 24-MagRemote | CFD Engineer — $50–$150/hourNew York, New YorkRemote$50–$150 / hourWe are sharing a specialised consulting opportunity for experienced CFD Engineers with strong expertise in computational fluid dynamics, aerodynamics, fluid mechanics, turbulence modelling, multiphase flow, heat transfer, and simulation validation to contribute to an advanced AI training and engineering evaluation project. Experience with CFD software such as ANSYS Fluent, STAR-CCM+, OpenFOAM, COMSOL, Converge, or comparable platforms is strongly valued.
CFD Fluids Engineer Associates SystemsCFD Fluids EngineerTitusville, FloridaLunar Surface and Plume Interactions: Apply CFD and multi-physics methods to assess rocket plume interactions with the lunar surface, including regolith response, particle/dust entrainment and transport, surface erosion/ejecta generation, and potential impacts to spacecraft, payloads, sensors, and nearby assets. The ideal candidate possesses a deep theoretical and practical understanding of continuum and non-continuum (rarefied) fluid dynamics, along with demonstrated expertise in modeling complex fluid and thermal-fluid systems and fluid interactions with planetary surfaces and particulate environments.
Sr Mechanical Engineer [South Bay, CA] DandySr Mechanical Engineer [South Bay, CA]San Francisco Bay Area, CaliforniaSystem Architecture & Design: Architect and integrate complex robotic hardware systems, including precision actuators, sensors, and electromechanical subsystems, ensuring they meet the micron-level reliability required for manufacturing custom-made prosthetics. Special Purpose Machine Design Expertise: Apply deep technical knowledge of both additive (3D printing) and subtractive (milling, grinding, polishing) processes to design versatile, high-precision manufacturing platforms.