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Scientist United States Jobs (On-site work)

555 Job Offers

Applied Scientist II, GenAI Evaluation Media (GEM)
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Join Amazon's GEM team as an Applied Scientist II in Sunnyvale or Seattle to shape the future of visual shopping. You'll develop agentic AI, multi-modal personalization, and real-time image/video generation using computer vision and generative AI. Requires a PhD or Master's with 4+ years in ML, p...
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142800.00 - 222200.00 USD / Year
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Amazon
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Applied Scientist II
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Join Amazon's GEM team as an Applied Scientist II in Seattle to shape the future of visual shopping with GenAI. You'll develop agentic AI for real-time image/video generation and multi-modal personalization. Requires a PhD or Master's with 4+ years in ML/CS, plus Python/Java skills. Benefits incl...
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142800.00 - 193200.00 USD / Year
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Amazon
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Manager, Data Scientist - Model Risk Office
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Lead data science innovation at Capital One as a Manager in the Model Risk Office. Leverage Python, AWS, and Spark to build and validate machine learning models on billions of customer records. Based in McLean or Riverwoods, this role requires a quantitative degree (PhD/MS/BS) and 4+ years of dat...
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United States, McLean, Riverwoods
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197300.00 - 225100.00 USD / Year
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Capital One
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Principal Applied Scientist
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Lead causal inference and attribution science as a Principal Applied Scientist in Redmond. Drive data-driven measurement, incrementality estimation, and counterfactual learning for web-scale advertising systems. Requires a PhD/ Master’s in CS, Statistics, or related field with 3-9+ years experien...
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142800.00 - 274800.00 USD / Year
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Microsoft Corporation
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Applied Artificial Intelligence Scientist III
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Senior Applied AI Scientist role in Los Angeles designing and deploying production-grade ML solutions for healthcare. Requires 6+ years experience with Python, MLOps, and predictive modeling using structured/unstructured data. Lead full AI lifecycles to improve quality and member outcomes. Benefi...
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135136.00 - 216218.00 USD / Year
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L.A. Care Health Plan
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Clinical Lab Scientist I
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Clinical Lab Scientist I role in San Juan Capistrano, CA. Perform moderate to complex clinical lab testing with precision. Requires a Bachelor’s in Medical Technology or life sciences, 0-3 years lab experience, and state CLS license. Enjoy Day 1 medical, 401(k) match, and wellness programs.
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40.00 - 56.44 USD / Hour
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Quest Diagnostics
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Clinical Lab Scientist I
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Clinical Lab Scientist I role in San Juan Capistrano, CA. Perform moderate to complex clinical testing, ensure specimen acceptability, and operate lab equipment. Requires a Bachelor’s in Medical Technology or life sciences, 0-3 years lab experience, and a current CA license. Benefits include Day ...
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40.00 - 56.44 USD / Hour
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Quest Diagnostics
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Clinical Lab Scientist I
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Seeking a skilled **Clinical Lab Scientist I** in **San Juan Capistrano, CA**. Perform moderate to highly complex clinical tests independently using defined procedures. Requires a Bachelor's in Medical Technology, a current State CLS license (e.g., California), and 0-3 years of lab experience. En...
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40.00 - 56.44 USD / Hour
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Quest Diagnostics
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Staff Scientist – Flynn Lab
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The Flynn Lab in Boston seeks a Staff Scientist to lead long-term projects at the intersection of RNA biology and glycobiology. Ideal candidates possess a Master’s degree and 7+ years of experience in mammalian cell culture, molecular biology, and chemical biology. This role combines independent ...
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83241.60 - 133192.80 USD / Year
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Boston Children's Hospital
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Applied Scientist
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Amazon Ads seeks an Applied Scientist to join its Sponsored Products and Brands team, reimagining advertising with generative AI. You will drive end-to-end ML projects, build and deploy models, and analyze massive datasets to enhance ad performance and customer experience. Requires a PhD/Master’s...
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United States, New York, Arlington, Seattle
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142800.00 - 223400.00 USD / Year
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Amazon
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Applied Scientist II
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Join Prime Video as an Applied Scientist II in Sunnyvale or Seattle. Leverage 3+ years of experience in deep learning, multimodal learning, and time series modeling to build foundation models for content understanding and customer behavior prediction. Collaborate with engineers to launch end-to-e...
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171600.00 - 222200.00 USD / Year
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Amazon
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Process Development Senior Scientist
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Join Amgen as a Process Development Senior Scientist in Cambridge, MA. You will design scalable synthetic routes and robust manufacturing processes for clinical and commercial drug substances. Ideal for a Ph.D. in Organic Chemistry with expertise in process development, ADC, or peptides. Enjoy co...
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123777.00 - 167463.00 USD / Year
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Amgen
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Process Development Senior Scientist - Drug Product Technologies
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Amgen seeks a Process Development Senior Scientist in Thousand Oaks, CA to advance Drug Product Technologies for biologics and ADCs. You will lead formulation and fill/finish process studies, requiring a PhD with 2-4 years of industry experience in ADC formulation. Join a mission-driven team to d...
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126066.05 - 170559.95 USD / Year
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Amgen
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Process Development Senior Scientist - Synthetic Peptides, Oligonucleotides, ADCs
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Amgen seeks a Process Development Senior Scientist in Thousand Oaks, CA to drive innovation in synthetic peptides, oligonucleotides, and ADCs. You will lead route invention and process development for bioconjugates, supporting cGMP manufacturing and technology transfer. Ideal candidates hold a Ph...
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126066.05 - 170559.95 USD / Year
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Amgen
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Scientist III - Analytical Chemist (Drug Product) - FSP
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Seeking a Scientist III - Analytical Chemist (Drug Product) for a long-term FSP role in Rahway, NJ. This position requires hands-on expertise in UPLC, HPLC, GC, and Empower software for drug product analysis. Ideal candidates possess a BS/MS with relevant experience and strong skills in method de...
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Parexel
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Manager, Data Scientist - Innovation Hub
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Lead Data Scientist for Capital One’s Innovation Hub in McLean or Plano. Drive AI disruption by designing and deploying generative AI and machine learning models at scale. Leverage Python, AWS, and Spark to unlock insights from billions of customer records. Requires a quantitative degree and 4+ y...
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179400.00 - 225100.00 USD / Year
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Capital One
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Research Scientist Intern, Multimodal AI (PhD)
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Join Meta Reality Labs as a Research Scientist Intern in Multimodal AI (PhD) in Redmond, WA. You will design evaluation protocols for LLMs, develop novel audio algorithms, and collaborate on cutting-edge AR/VR technologies. Ideal for PhD candidates in CS, AI, or ML with Python and PyTorch experti...
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7650.00 - 12134.00 USD / Month
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Meta
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Senior Data Scientist Consultant
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Senior Data Scientist Consultant role in Plano, US, seeking 7+ years of experience in data science and risk management. You will perform model validation, statistical testing, and compliance reviews for financial regulations like SR 11-7 and CECL. Requires Python, SQL, and machine learning expert...
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63216.00 - 131700.00 USD / Year
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NTT DATA
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Research Scientist
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Meta’s FAIR team seeks a Research Scientist to advance generative models and LLMs, focusing on data efficiency and continual learning. You’ll drive pioneering research, from design to deployment, with first-author publications at top AI conferences required. Based in New York, this role offers eq...
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154000.00 - 217000.00 USD / Year
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Meta
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Research Scientist, Post-Training (Tech Leadership)
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Join Meta’s MSL as a Research Scientist in Post-Training, driving data-centric AI innovation in Menlo Park. You will lead technical vision for SFT and RLHF data strategies, optimizing post-training recipes to enhance frontier model alignment. Requires a PhD in ML or CS, 5+ years in deep learning ...
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219000.00 - 301000.00 USD / Year
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Meta
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About the Scientist role

A career as a scientist offers a dynamic and intellectually stimulating path defined by inquiry, analysis, and innovation. Scientist jobs span a vast array of industries, from healthcare and biotechnology to technology, environmental science, and data-driven business. At its core, the profession involves designing and conducting experiments, studies, or analyses to answer specific questions, test hypotheses, or solve complex problems. Whether working in a laboratory, a field setting, or behind a computer, scientists are responsible for applying rigorous methodologies to generate reliable data and actionable insights.

Common responsibilities for scientist roles include formulating research questions, developing experimental protocols, and collecting and processing samples or datasets. A significant portion of the work involves data analysis, where scientists use statistical software, programming languages like Python or R, and specialized tools to interpret results. Documentation is critical; scientists must maintain detailed records, write technical reports, and prepare findings for publication or presentation to stakeholders. In many settings, collaboration is key—scientists often work in interdisciplinary teams, sharing expertise with engineers, product managers, or medical professionals to translate research into practical applications. Quality control, safety compliance, and staying current with the latest scientific literature are also essential daily duties.

The typical skills and requirements for scientist positions are rigorous. Most roles require at least a bachelor’s degree in a relevant scientific field, with many demanding a master’s or doctorate for senior or specialized positions. Core competencies include strong analytical and critical thinking abilities, meticulous attention to detail, and proficiency in quantitative methods. Technical skills vary by specialization—a data scientist might need expertise in machine learning and big data frameworks, while a clinical lab scientist must master diagnostic techniques and regulatory standards. Communication skills are equally vital, as scientists must clearly convey complex ideas to non-experts, write grant proposals, or present findings at conferences. Adaptability and a commitment to ethical research practices are foundational to the profession.

Ultimately, scientist jobs offer the opportunity to drive discovery and innovation. From developing new treatments and technologies to improving business strategies and environmental stewardship, scientists play a crucial role in advancing knowledge and solving real-world challenges. The profession rewards curiosity, persistence, and a passion for evidence-based problem-solving, making it a deeply fulfilling career for those dedicated to pushing the boundaries of what is known.