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Scientist United States Jobs (On-site work)

553 Job Offers

Field Application Scientist – Cell Therapy/Gene Delivery
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Join a fast-growing biotech as a Field Application Scientist in Cell Therapy/Gene Delivery. Leverage your Ph.D./M.S. in Immunology or Bioengineering to support a proprietary non-viral transfection platform. You will lead customer demos, troubleshoot workflows, and optimize gene editing for primar...
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United States, Boston, Germany, Switzerland
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AchieveBio
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Data Scientist
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We are seeking an experienced Data Scientist to join a growing analytics team near Atlanta, GA. This role focuses on forecasting, predictive modeling, and leveraging Databricks to drive strategic business insights. You will build machine learning models, analyze large-scale datasets, and collabor...
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Robert Half
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Medical Laboratory Scientist Trainee
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Join our team as a Medical Laboratory Scientist Trainee in Chantilly, VA. This full-time role (Tue-Sat, 4 PM-12:30 AM) offers hands-on training in Clinical Toxicology. Requires a BS/BA in Medical Technology, Chemistry, or Biology. Enjoy Day 1 medical benefits, 401(k) match, and wellness programs....
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23.00 USD / Hour
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Quest Diagnostics
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Senior Applied Scientist, AWS Marketplace Discovery
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Join AWS Marketplace Discovery as a Senior Applied Scientist to lead AI-powered search and recommendation systems. You’ll translate cutting-edge research into scalable solutions, driving personalization for global customers. Requires 3+ years in ML, recommender systems, and Python/Java/C++. Based...
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United States, New York, Austin, Seattle
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Amazon Pforzheim GmbH
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Sr. Applied Scientist – AI Velocity Team, Applied AI Acceleration Solutions Architecture
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Senior Applied Scientist role on the AI Velocity Team in Seattle or New York. You will lead end-to-end data science initiatives, deploying production-grade ML models and A/B tests to optimize customer experiences. Requires a Master’s/PhD, 5+ years in data science, and expertise in Python, SQL, an...
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167100.00 - 248700.00 USD / Year
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Amazon Pforzheim GmbH
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Applied Scientist II
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Amazon AWS seeks an Applied Scientist II to advance generative AI and foundational models in Santa Clara, CA. You will develop novel algorithms for speech, vision, and language, working with top experts on Agentic AI solutions. Requires a PhD or Master’s with 4+ years in ML/CS, plus publications ...
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171600.00 - 222200.00 USD / Year
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Amazon Pforzheim GmbH
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Ai Research Scientist —Generative Ai For Materials Discovery
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Join Meta in Redmond as an AI Research Scientist to pioneer generative AI for materials discovery. You will develop and deploy diffusion models, flow matching, and VAEs for 3D molecular and crystal structure generation. Requires a PhD in ML or related field, 3+ years in generative modeling, and P...
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154000.00 - 217000.00 USD / Year
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Meta
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Data Scientist 4
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Senior Data Scientist sought for a high-visibility AI role in Central Maryland. You will design and implement advanced AI/ML solutions, including RAG systems, agentic AI, and Docker-based microservices on AWS/Azure/Google. Requires a Bachelor's in a quantitative field with 15+ years of experience...
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United States, Central Maryland
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212000.00 - 267000.00 USD / Year
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RealmOne
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Data Scientist 2
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Seeking a skilled **Data Scientist** to join our team at **Ft. Gordon, GA**. You will manage Big Data Platforms, develop prototype algorithms, and support data visualization. Requires expertise in **machine learning**, **data mining**, and **advanced statistical analysis** with a degree in Mathem...
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United States, Ft. Gordon
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RealmOne
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Scientist III - Potency Assay - FSP
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Seeking a Scientist III – Potency Assay for a long-term FSP assignment in Rahway, NJ. This lab-based role requires a Bachelor’s or Master’s in Biology/Molecular Biology with industry experience in sterile cell culture and aseptic technique. Execute cell-based potency assays, maintain cell lines, ...
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Parexel
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Scientist III or Principal Scientist I - LC-MS and Analytical Support
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Seeking a Scientist III for a long-term FSP role in Rahway, NJ, specializing in LC-MS and Analytical Support. This lab-based position requires a BS/MS in Chemistry with 3-5 years of experience operating Waters, Sciex, or Agilent LC-MS systems. Key duties include maintaining open access instrument...
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Parexel
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Data Scientist
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Join a tech-led investment firm in Houston as a Data Scientist (junior–mid level). You’ll build production-ready ML models using Python, working with live market data and large datasets. Collaborate with quants and engineers to directly influence trading strategies. Enjoy a competitive bonus, str...
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130000.00 USD / Year
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Hunter Bond
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Principal, Data Scientist
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Principal Data Scientist role at Walmart Global Tech in Sunnyvale, CA. Architect and deploy end-to-end ML systems for reliability engineering, leveraging Python, PyTorch, and Kubernetes. Requires 10+ years building production ML, anomaly detection, and scalable model serving. Benefits include 401...
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143000.00 - 286000.00 USD / Year
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Walmart
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Clinical Lab Scientist
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Seeking a skilled Clinical Lab Scientist (CLS) for a role in Madera, CA. Perform critical lab analyses on blood and body fluids across hematology, microbiology, and chemistry. Requires a valid California CLS or Public Health Microbiologist license. Join a dedicated team to support accurate diagno...
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44.85 - 69.60 USD / Hour
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Valley Children's Healthcare
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Data Scientist
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Join a dynamic St. Louis team as a Data Scientist, leveraging Python, R, and SQL to build predictive models and machine learning algorithms. You will analyze complex datasets, drive actionable business insights, and collaborate on impactful solutions. We value expertise in statistical modeling, d...
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Robert Half
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Data Scientist II
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Join Ericsson’s AI Innovation & Incubation team in Santa Clara as a Data Scientist II. You will design and train deep neural networks and LLMs for telecom use cases, translating research from top conferences into real-world solutions. Requires an MS in CS, 1-4 years of ML experience, Python, and ...
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122500.00 - 161175.00 USD / Year
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Ericsson
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Manager, Data Scientist, Travel Intelligence, Flights
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Lead Data Scientist role at Capital One in McLean, VA, driving travel intelligence for Flights. Leverage Python, AWS, and Spark to build machine learning models on billions of customer records. Requires a quantitative Master’s or PhD with 4+ years in data analytics. Unlock big opportunities with ...
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United States, McLean, VA
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197300.00 - 225100.00 USD / Year
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Capital One
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Senior Manager, Data Scientist - MS CLIP Valuations
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Senior Manager, Data Scientist role at Capital One driving credit innovation through machine learning and statistical modeling. Based in Richmond, New York, or McLean, you’ll build cutting-edge credit tools, collaborate with analysts, and directly impact P&L. Requires a quantitative degree (PhD p...
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United States, Richmond, New York, McLean
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209000.00 - 286200.00 USD / Year
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Capital One
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Applied Scientist II, Sponsored Products and Brands - Advertiser Growth and Strategies
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Join Amazon as an Applied Scientist II to pioneer agentic AI for advertisers in New York or Seattle. You'll design reasoning architectures, optimize models with fine-tuning and RL, and build evaluation frameworks for safety. Requires a PhD/Master’s in CS/ML, 3+ years in business modeling, and Pyt...
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142800.00 - 223400.00 USD / Year
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Amazon
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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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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.