Senior Multiphysics Modeling Engineer Helion Energy IncSenior Multiphysics Modeling EngineerEverett, WAExecute rigorous verification and validation (V&V) by performing convergence studies, co-designing calibration and validation experiments with materials and test engineers, and systematically comparing model predictions to experimental results to quantify discrepancies and refine models, properties, and test plans to close the simulation-experiment gap. 5+ years of experience in multiphysics finite element or finite volume modeling of coupled thermal-mechanical systems including experience with irradiated materials modeling and materials in severely degrading environments (e.g., plasma, fusion/fission, high-flux/high-dose environments, etc.).
Performance Modeling Engineer ~2 OpenAI LLCPerformance Modeling Engineer ~2Seattle, WAFor unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. In this role, you will partner closely with Senior Performance Modeling Engineers and the Performance Modeling Lead to analyze system behavior, run simulations and analytical models, and help evaluate tradeoffs across compute, memory, networking, and storage.
Senior Quantum Applied Research Scientist, Physics Modeling NVIDIASenior Quantum Applied Research Scientist, Physics ModelingRedmond, WashingtonBuild physics-informed synthetic data generation pipelines that leverage quantum device models, noise channels, and Hamiltonian characterization to produce high-quality datasets. Develop detailed noise models of quantum hardware that capture device physics, decoherence, and drift behavior, enabling accurate performance prediction and parameter inference without full experimental overhead.
Performance Modeling Engineer OpenAI LLCPerformance Modeling EngineerSeattle, WAFor unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. In this role, you will work closely with the Performance Modeling Lead and partner teams to analyze system behavior, run simulations or analytical models, and help quantify tradeoffs across compute, memory, networking, and storage.
NewQuantitative Analyst — COMPASS Modeling Think Tank, Inc.Quantitative Analyst — COMPASS ModelingSeattle, WAPosition is Subject to Contract Award POSITION DESCRIPTION:Description of Duties:Develop and advance the Comprehensive Passage (COMPASS) model for application in river systems to evaluate effects of stressors and management actions across fish life cycles, using statistical modeling, computer modeling, statistical/quantitative analysis, and other quantitative modeling techniques. Reproducible analytical workflows documented; modeling scripts, methods, and results shared via open-science platforms (e.g., GitHub).Written status reports and other ad hoc communications; participation in field tasks as needed.
Senior Fisheries Data Scientist – Salmon Survival, Migration, and Mark-Recapture Modeling Lynker CorporationSenior Fisheries Data Scientist – Salmon Survival, Migration, and Mark-Recapture ModelingSeattle, WashingtonContractorOverview: Lynker Corporation is seeking a Senior Fisheries Data Scientist – Salmon Survival, Migration, and Mark-Recapture Modeling to support NOAA Fisheries’ Northwest Fisheries Science Center (NWFSC), Fish Ecology Division, by providing statistical analysis to inform management decisions. Our continually expanding team combines scientific expertise with mature, results-driven processes and tools to achieve technically sound, cost effective solutions in hydrology/water sciences, geospatial analysis, information technology, resource management, conservation, and management and business process improvement.
NewFinancial Modeling Contractor - Remote Deloitte Touche Tohmatsu LtdFinancial Modeling Contractor - RemoteSeattle, WARemote$100–$110 / hourThe service you will provide the Deloitte project team as a Financial Modeling Contractor will include: Develop and update financial models and actuarial data support files for project analysis. Required: 10+ years of experience supporting life or annuity actuarial model input data, including source-to-target mapping, data validation, and reconciliation.
Senior Multiphysics Modeling Engineer HelionSenior Multiphysics Modeling EngineerEverett, WashingtonExecute rigorous verification and validation (V&V) by performing convergence studies, co-designing calibration and validation experiments with materials and test engineers, and systematically comparing model predictions to experimental results to quantify discrepancies and refine models, properties, and test plans to close the simulation–experiment gap. 5+ years of experience in multiphysics finite element or finite volume modeling of coupled thermal–mechanical systems including experience with irradiated materials modeling and materials in severely degrading environments (e.g., plasma, fusion/fission, high-flux/high-dose environments, etc.).
Senior Computational Plasma Scientist - Kinetic / PIC Modeling Helion Energy IncSenior Computational Plasma Scientist - Kinetic / PIC ModelingEverett, WAYou will focus on turning kinetic simulations into actionable physics insight for topics such as plasma startup, RF/plasma interactions, particle transport, sheath behavior, and other effects that may not be fully captured by fluid or MHD models. In this role, you will use tools such as WarpX or similar PIC codes to design simulation campaigns, analyze large-scale field and particle outputs, and compare results against experimental data from Helion's operating machines.
Computational Plasma Scientist - Kinetic / PIC Modeling Helion Energy IncComputational Plasma Scientist - Kinetic / PIC ModelingEverett, WASince Helions 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. Work with experimental scientists, diagnostics engineers, RF engineers, and MHD modelers to understand modeling needs, interpret results, and identify when PIC simulations can provide useful insight.
Deals Services - Manager, Strategic Finance And Fp&A, Advanced Decision Modeling RSMDeals Services - Manager, Strategic Finance And Fp&A, Advanced Decision ModelingSeattle, WA$112,100–$225,500 / yearThe salary range (or starting rate for interns and associates) for this role represents numerous factors considered in the hiring decisions including, but not limited to, education, skills, work experience, certifications, location, etc. Develops and reviews complex, fully integrated financial models, including operating, cash flow, valuation, and transaction models, to support strategic decision-making.
NewSoftware Development Engineer, Conversational AI Modeling and Learning Amazon.com IncSoftware Development Engineer, Conversational AI Modeling and LearningBellevue, WAThe Conversational AI Modeling and Learning (CAMEL) team is looking for a passionate, talented, and inventive SDE/MLE to play pivotal role in the development of industry-leading, Generative AI (GenAI) powered conversational assistant capabilities using latest techniques like fine tuning, ICL (In Context Learning) and various prompt optimization techniques. You will leverage Amazon's heterogeneous data sources and large-scale computing resources to accelerate development with multimodal Large Language Models (LLMs) and Generative Artificial Intelligence (Gen AI) to improve Conversational Excellence.
Deals Services - Manager, Strategic Finance and FP&A, Advanced Decision Modeling RSM US LLPDeals Services - Manager, Strategic Finance and FP&A, Advanced Decision ModelingSeattle, WA$112,100–$225,500 / yearThe salary range (or starting rate for interns and associates) for this role represents numerous factors considered in the hiring decisions including, but not limited to, education, skills, work experience, certifications, location, etc. Develops and reviews complex, fully integrated financial models, including operating, cash flow, valuation, and transaction models, to support strategic decision-making.
Systems Modeling Engineer - Space Safety & Sustainability - TeraWave Blue Origin Enterprises LPSystems Modeling Engineer - Space Safety & Sustainability - TeraWaveSeattle, WA$121,023–$169,432.20 / yearand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. You will work alongside engineers modeling power, communications, and orbital performance, ensuring that space safety analysis is tightly coupled to the broader system picture and that sustainability trades are evaluated in the context of their impact on network capability.
Senior Systems Modeling Engineer, Beam Planning & Network Optimization Blue Origin Enterprises LPSenior Systems Modeling Engineer, Beam Planning & Network OptimizationSeattle, WA$145,188–$203,263.20 / yearAs a large-scale low Earth orbit constellation operating thousands of satellites across multiple orbital shells, TeraWave must solve resource assignment problems of extraordinary combinatorial complexity - from deciding which beams illuminate which ground cells at each moment in time, through routing data across a dynamic optical inter-satellite link mesh with thousands of nodes and time-varying topology, to assigning satellites to gateways and managing handovers as the constellation moves overhead. As part of this team, you will also contribute to the broader modelling of TeraWave's constellation performance - including its ability to maintain consistent customer service through progressive deployment phases, satellite failures, and orbital manoeuvres - bringing the network optimization perspective into system-level figures of merit and ensuring that resource assignment trades are evaluated in the context of their impact on end-to-end service delivery.
Computational Plasma Scientist - Kinetic / PIC Modeling HelionComputational Plasma Scientist - Kinetic / PIC ModelingEverett, WashingtonSince 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. Work with experimental scientists, diagnostics engineers, RF engineers, and MHD modelers to understand modeling needs, interpret results, and identify when PIC simulations can provide useful insight.
Senior Computational Plasma Scientist - Kinetic / PIC Modeling HelionSenior Computational Plasma Scientist - Kinetic / PIC ModelingEverett, WASince 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. You will focus on turning kinetic simulations into actionable physics insight for topics such as plasma startup, RF/plasma interactions, particle transport, sheath behavior, and other effects that may not be fully captured by fluid or MHD models.
Applied Scientist, Operations Research, Modeling and Optimization (MOP) Amazon.com IncApplied Scientist, Operations Research, Modeling and Optimization (MOP)Bellevue, WAAmazons Modeling and Optimization (MOP) team seeks motivated individual with strong analytical and algorithmic skills to optimize the global logistics network and its operations. A Day in the Life: Lead development of production-ready algorithms and scientific tools for under-the-roof (UTR) and network process analysis and optimization.
US International Tax / Modeling Sr. Manager, Strategic Tax Planning Amazon.com IncUS International Tax / Modeling Sr. Manager, Strategic Tax PlanningSeattle, WAIn this role, you will drive significant initiatives with other tax team members on a wide variety of projects spanning international planning topics, including 951A/GILTI, foreign tax credits (FTC), Subpart F, BEAT, FDII, DCL/anti-hybrid and Pillar Two. The role requires in-depth U.S. international tax technical knowledge, the ability to evaluate and advise on international business initiatives, and the quantitative skills to translate technical conclusions into modeling analysis.
Applied Scientist, Conversational Assistant Modeling and Learning Amazon.com IncApplied Scientist, Conversational Assistant Modeling and LearningBellevue, WAYou will work on key initiatives spanning large language model fine-tuning, alignment, agentic reasoning, and evaluation - directly shaping the experience for hundreds of millions of customers worldwide. Improve the efficiency of LLM, VLM, and agent training and evaluation pipelines, including distributed training, inference serving, data loading, checkpointing, memory usage, and GPU utilization.