Divertor Plasma Physicist (Scientist/Sr. Scientist/Manager) Thea EnergyDivertor Plasma Physicist (Scientist/Sr. Scientist/Manager)Kearny, New Jersey$120,000–$195,000 / yearWe may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. The ideal candidate will possess a strong background in plasma physics, particularly plasma edge physics, plasma-material interaction, and optimization along with hands-on experience in experiments and analysis.
Computational Plasma Physicist – Transport Modeling Thea EnergyComputational Plasma Physicist – Transport ModelingKearny, New JerseyThe company is reinventing the stellarator using computer-controlled arrays of planar coils thereby replacing the intricate, complex modular magnets required in all other stellarator architectures. About Thea Energy: Thea Energy is leveraging recent breakthroughs in stellarator physics and engineering to create a faster and simpler approach to commercializing fusion energy.
Laser Plasma Interaction Computational Physicist Xcimer Energy IncLaser Plasma Interaction Computational PhysicistDenver, CO$170,000–$210,000 / yearImplement and validate core physics models including collisional plasma kinetics, paraxial laser propagation, stimulated Raman scattering (SRS), stimulated Brillouin scattering (SBS), filamentation, and cross-beam energy transfer (CBET). Collaborate cross-functionally with laser architecture, gas optics, radiation hydrodynamics, experimental physics, and other engineering teams to prioritize simulation efforts and integrate modeling outputs into broader system development activities.
Laser Plasma Interaction Computational Physicist Xcimer EnergyLaser Plasma Interaction Computational PhysicistDenver, COImplement and validate core physics models including collisional plasma kinetics, paraxial laser propagation, stimulated Raman scattering (SRS), stimulated Brillouin scattering (SBS), filamentation, and cross-beam energy transfer (CBET). Collaborate cross-functionally with laser architecture, gas optics, radiation hydrodynamics, experimental physics, and other engineering teams to prioritize simulation efforts and integrate modeling outputs into broader system development activities.
Experimental Plasma Physicist TAE Technologies IncExperimental Plasma PhysicistFoothill Ranch, CA$100,000–$130,000 / yearThis role involves designing and operating advanced spectroscopic systems (including Doppler spectroscopy, charge-exchange recombination spectroscopy, filtered PMT arrays, visible Bremsstrahlung, and fast imaging), X-ray detectors, and fast ion / fusion product diagnostics (proton and neutron detectors, fast ion loss detectors, and neutral particle analyzers). At TAE Technologies, we consider a wide range of factors when making compensation decisions including but not limited to skill sets; experience and job-related knowledge, training; licenses and certifications, and other business and organizational needs.
Senior Plasma Control Engineer Thea EnergySenior Plasma Control EngineerKearny, New JerseyIf you can develop plasma control algorithms that are robust, constraint-aware, and ready for experimental operation, covering scenario design, supervisory control, and closed-loop regulation of core profiles, edge and divertor regimes, and off-normal response, we would like to hear from you. This role sits in the Electrical Engineering and Controls Systems (EECS) team and works day to day with plasma physics, diagnostics, and plant control engineers to bridge plasma physics objectives with plasma control and plant control implementation.
Plasma Device Operations Engineer Zap EnergyPlasma Device Operations EngineerEverett, WashingtonServe as the operational point of contact across engineering disciplines — plasma physics, diagnostics, controls, and pulsed-power — to align all subsystems before each shot campaign and experimental run day. This is a deeply cross-functional role: you will coordinate with diagnostics engineers, controls engineers and plasma physicists to configure the machine for each experimental campaign and ensure that the data coming out of every shot is trustworthy and traceable.
Scientist - Plasma Diagnostics TAE Technologies IncScientist - Plasma DiagnosticsFoothill Ranch, CA$110,000–$130,000 / yearIn this role, you will design, deploy, and troubleshoot direct-contact material diagnostics - such as Langmuir probes, retarding field analyzers, fast ion loss detectors, pyrobolometers, and thermo-optical arrays - to measure local edge density, temperature, heat flux, and more. At TAE Technologies, we consider a wide range of factors when making compensation decisions including but not limited to skill sets; experience and job-related knowledge, training; licenses and certifications, and other business and organizational needs.
Principal Electrical Engineer - RF Helion Energy IncPrincipal Electrical Engineer - RFEverett, WAYou will integrate plasma science with high-power electrical engineering to deliver reliable, scalable, and high-fidelity plasma and energy system measurements that directly inform performance optimization, generator commissioning, and future device development. Design, test, and troubleshoot high-voltage electrical systems including power delivery to pulsed magnets, energy recovery circuits, and internal power networks used during pulsed generator operation.
Principal Electrical Engineer - RF HelionPrincipal Electrical Engineer - RFEverett, WAYou will integrate plasma science with high-power electrical engineering to deliver reliable, scalable, and high-fidelity plasma and energy system measurements that directly inform performance optimization, generator commissioning, and future device development. Since Helion's founding in 2013, we have raised $1.5 billion from long-time investors such as Sam Altman, Mithril, and Capricorn Investment Group as well as new investors including Thrive Capital, LightSpeed Venture Capital, SoftBank, and others to propel us forward.
Radiation Belt Theory & Modeling Researcher Johns Hopkins University Applied Physics Laboratory LLCRadiation Belt Theory & Modeling ResearcherLaurel, MDThe Solar & Space Physics Group (SRP) of the Space Exploration Sector has a broad and active research program that spans data analysis, theory, and modeling of planetary magnetospheres, heliospheric science, and solar physics, as well as applications to space weather and national security. We are seeking a senior Space Plasma Physicist to join an existing numerical simulation and modeling team to conduct basic scientific research on radiation belts of Earth and other solar system planets, as well as leveraging these tools and understanding for multiple national security applications.
Senior Superconductor Engineer Helion Energy IncSenior Superconductor EngineerEverett, WAWhat You Will Be Doing: You will own the full lifecycle of superconducting hardwarefrom simulation and design through build, test, and integrationwhile coordinating across internal teams and external partners to qualify technologies for deployment in Helions fusion machines. Since Helions founding in 2013, we have raised over $1 billion from long-time investors such as Sam Altman, Mithril, and Capricorn Investment Group as well as new investors SoftBank and Lightspeed to propel us forward.
Senior Superconductor Engineer HelionSenior Superconductor EngineerEverett, WAWhat You Will Be Doing: You will own the full lifecycle of superconducting hardware-from simulation and design through build, test, and integration-while coordinating across internal teams and external partners to qualify technologies for deployment in Helion's fusion machines. Since Helion's founding in 2013, we have raised $1.5 billion from long-time investors such as Sam Altman, Mithril, and Capricorn Investment Group as well as new investors including Thrive Capital, LightSpeed Venture Capital, SoftBank, and others to propel us forward.
Radiation Belt Theory & Modeling Researcher Johns Hopkins Applied Physics LaboratoryRadiation Belt Theory & Modeling ResearcherLaurel, MarylandFull timeThe Solar & Space Physics Group (SRP) of the Space Exploration Sector has a broad and active research program that spans data analysis, theory, and modeling of planetary magnetospheres, heliospheric science, and solar physics, as well as applications to space weather and national security. We are seeking a senior Space Plasma Physicist to join an existing numerical simulation and modeling team to conduct basic scientific research on radiation belts of Earth and other solar system planets, as well as leveraging these tools and understanding for multiple national security applications.
R&D Manager Excelitas Technologies CorpR&D ManagerGaithersburg, MD$130,000–$140,000 / yearAt Excelitas Technologies you are how we EXCEL.Excelitas is looking to hire an R&D Manager Team Leader to join our team of leaders and innovators in our Gaithersburg MD locationWe are looking for an experienced Plasma Physicist and R&D Team Leader to drive the development of microwave-driven plasma light sources and UV bulb technologies for advanced photonics and industrial applications. Excelitas is a global technology leader with more than 7500 employees focused on delivering market-driven solutions to fulfill the illumination optical detection and imaging needs of OEMs and end-users across the biomedical semiconductor industrial consumer products scientific security defense and aerospace sectors.