{"schemaVersion":"jobsearcher.job.v1","id":"7c58d77efc1b55d4eac22b05","url":"https://jobsearcher.com/jobs/7c58d77efc1b55d4eac22b05","canonicalUrl":"https://jobsearcher.com/jobs/7c58d77efc1b55d4eac22b05","title":"Multiphysics Simulation Engineer","description":"This is 100% onsite role in Fremont, CA 94538. Regular shift M-F.We are seeking a Senior Multiphysics Simulation Engineer to support the design and optimization of semiconductor equipment and components. This role combines traditional CFD/FEA simulation with surrogate modeling, reduced-order modeling, machine learning, and digital-twin development.ResponsibilitiesPerform thermal, fluid-flow, and structural simulations for design validation and optimization.Conduct CFD and FEA analyses involving heat transfer, gas flow, stress, vibration, and structural response.Develop surrogate models, reduced-order models, response surface models, and simulation-acceleration tools.Build digital-twin frameworks using simulation, test, operational, and sensor data.Automate simulation workflows, design-of-experiments studies, model training, and optimization.Perform sensitivity analysis, uncertainty quantification, calibration, and model validation.Present simulation results and recommendations to cross-functional engineering teams.Required QualificationsM.S. or Ph.D. in Mechanical Engineering, Aerospace Engineering, Computational Engineering, Applied Mathematics, or a related field.Strong proficiency with ANSYS Fluent, ANSYS Mechanical, STAR-CCM+, Simcenter 3D, or similar CFD/FEA tools.Strong knowledge of fluid mechanics, heat transfer, solid mechanics, numerical methods, and model validation.Experience developing surrogate models, reduced-order models, response surface models, or similar approaches.Programming experience with Python, MATLAB, or equivalent scientific-computing tools.Experience with 3D CAD platforms such as Siemens NX, Creo, or SolidWorks.Preferred QualificationsExperience with digital twins, physics-informed machine learning, HPC or cloud simulation, automated parametric workflows, and semiconductor equipment is preferred.Our Client is a Fortune 350 company that engages in the design, manufacturing, marketing, and service of semiconductor processing equipment.","company":"Applicantz","rawCompany":"applicantz","city":"Fremont","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-07-15T09:19:16.213Z","occupations":[{"code":"17-2141.00","title":"Mechanical Engineers","slug":"mechanical-engineers"},{"code":"17-2199.00","title":"Engineers, All Other","slug":"engineers-all-other"},{"code":"17-2011.00","title":"Aerospace Engineers","slug":"aerospace-engineers"}],"industries":[{"code":"541715","title":"Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)","slug":"research-and-development-in-the-physical-engineering-and-life-sciences-except-nanotechnology-and-biotechnology"},{"code":"541330","title":"Engineering Services","slug":"engineering-services"},{"code":"334413","title":"Semiconductor and Related Device Manufacturing","slug":"semiconductor-and-related-device-manufacturing"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Multiphysics Simulation Engineer","description":"This is 100% onsite role in Fremont, CA 94538. Regular shift M-F.We are seeking a Senior Multiphysics Simulation Engineer to support the design and optimization of semiconductor equipment and components. This role combines traditional CFD/FEA simulation with surrogate modeling, reduced-order modeling, machine learning, and digital-twin development.ResponsibilitiesPerform thermal, fluid-flow, and structural simulations for design validation and optimization.Conduct CFD and FEA analyses involving heat transfer, gas flow, stress, vibration, and structural response.Develop surrogate models, reduced-order models, response surface models, and simulation-acceleration tools.Build digital-twin frameworks using simulation, test, operational, and sensor data.Automate simulation workflows, design-of-experiments studies, model training, and optimization.Perform sensitivity analysis, uncertainty quantification, calibration, and model validation.Present simulation results and recommendations to cross-functional engineering teams.Required QualificationsM.S. or Ph.D. in Mechanical Engineering, Aerospace Engineering, Computational Engineering, Applied Mathematics, or a related field.Strong proficiency with ANSYS Fluent, ANSYS Mechanical, STAR-CCM+, Simcenter 3D, or similar CFD/FEA tools.Strong knowledge of fluid mechanics, heat transfer, solid mechanics, numerical methods, and model validation.Experience developing surrogate models, reduced-order models, response surface models, or similar approaches.Programming experience with Python, MATLAB, or equivalent scientific-computing tools.Experience with 3D CAD platforms such as Siemens NX, Creo, or SolidWorks.Preferred QualificationsExperience with digital twins, physics-informed machine learning, HPC or cloud simulation, automated parametric workflows, and semiconductor equipment is preferred.Our Client is a Fortune 350 company that engages in the design, manufacturing, marketing, and service of semiconductor processing equipment.","datePosted":"2026-07-15T09:19:16.213Z","dateModified":"2026-07-15T09:19:16.213Z","hiringOrganization":{"@type":"Organization","name":"Applicantz","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Fremont","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"7c58d77efc1b55d4eac22b05"},"url":"https://jobsearcher.com/jobs/7c58d77efc1b55d4eac22b05"}}