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Scientist United States Jobs (On-site work)

553 Job Offers

Medical Lab Scientist
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Join Baptist Health in Jacksonville, FL as a PRN Medical Lab Scientist at Baptist Medical Center Silverleaf. This night shift role requires a Florida-licensed Medical Technologist with at least one year of experience. You’ll work autonomously in a small team, rotating through lab specialties to s...
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Baptist Health (Florida)
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Scientist 2/3
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Navarro Research & Engineering seeks a Scientist 2/3 in Los Alamos, NM, to lead polymer component development for the W93/Mk7 program. This role requires expertise in R&D, technical leadership, and collaboration with the Nuclear Security Enterprise. Ideal candidates have experience in nuclear wea...
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Navarro Inc
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Medical Laboratory Scientist II
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Seeking a skilled **Medical Lab Scientist II** in **Jacksonville, FL**. This role requires an **AS** degree and licensure as a **Medical Technologist (AMT)** or **Clinical Laboratory Technician (DOH)**. You will independently perform complex technical, specimen processing, and clerical duties, se...
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Baptist Health (Florida)
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Biocompatibility & Extractables/Leachables Scientist
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Join Lucideon M+P in Greenville as a Biocompatibility & Extractables/Leachables Scientist. Drive patient safety and innovation by leading ISO 10993 and E&L chemistry programs. Ideal for candidates with a degree in Chemistry or Materials Science, hands-on mass spectrometry expertise, and client-fa...
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60000.00 - 80000.00 GBP / Year
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360 Resourcing Solutions
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Tech Lead, AI Research Scientist (Robotics)
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Meta seeks a Tech Lead AI Research Scientist for its Superintelligence Labs in Menlo Park. This role demands a PhD and 5+ years of industry experience in robotics, reinforcement learning, or embodied AI. You will pioneer fundamental research to advance intelligent agents, leveraging machine learn...
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219000.00 - 301000.00 USD / Year
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Meta
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Research Scientist, Safety Post Training
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Scale AI seeks a Research Scientist for Safety Post Training to bridge AI research and policy. You'll develop post-training methods (RLHF, DPO, GRPO) and interpretability techniques to enhance frontier model safety. Collaborate with policymakers and engineers in San Francisco or New York, transla...
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United States, San Francisco, CA, New York, NY
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216000.00 - 270000.00 USD / Year
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Scale
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Manager, Data Scientist, Travel Intelligence, Hotels
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Lead a team of data scientists at Capital One, driving travel intelligence for Hotels. Leverage Python, AWS, and Spark to build machine learning models from billions of records. Based in McLean, VA or New York, NY, this role requires a quantitative degree and 6+ years of analytics experience. Unl...
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United States, McLean, VA, New York, NY
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197300.00 - 245600.00 USD / Year
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Capital One
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Sr. Applied Scientist, Prime Video - Personalization and Discovery Science
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Join Prime Video's Personalization and Discovery Science team as a Sr. Applied Scientist in Sunnyvale, NY, or Seattle. You will develop foundation models for content understanding and customer behavior prediction using deep learning and multimodal techniques. Requires a PhD/Master's with 3+ years...
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United States, Sunnyvale, New York, Seattle
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Amazon
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Research Scientist, HW/SW Co-Design (PhD)
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Join Meta as a Research Scientist in HW/SW Co-Design (PhD) in Menlo Park, CA. Pioneer custom AI silicon by co-optimizing hardware and software for datacenter-scale generative AI and recommendations. Requires a PhD in CS/EE, expertise in AI models, performance modeling, and accelerator architectur...
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122000.00 - 181000.00 USD / Year
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Meta
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Clinical Laboratory Scientist
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Join our team as a Clinical Laboratory Scientist (CLS) on a per diem, day shift basis at QVH in West Covina, CA. Perform advanced and standardized tests, prepare specimens, and evaluate new methodologies. Requires a current California MTA CLS license and excellent customer service skills. Ideal f...
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64.00 USD / Hour
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Emanate Health
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AI Robotics Research Scientist
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Nimble seeks an AI Robotics Research Scientist to develop generalist visuomotor policies for autonomous supply chain robots. You will train deep learning models, build data pipelines, and deploy real-world systems in San Francisco. Requires a Ph.D. in Robotics/CS, experience with robotic hardware...
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200000.00 - 300000.00 USD / Year
Egnyte
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Environmental Scientist
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Amentum seeks an Environmental Scientist/Geologist/Engineer with 2-4 years of experience for their Pittsburgh, PA team. You will conduct field investigations and remediation on hazardous waste sites for government and private clients. Key duties include soil/groundwater sampling, subsurface drill...
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60000.00 - 95000.00 USD / Year
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Amentum
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Member Of Technical Staff (Data Scientist)
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Join Perplexity as a Member of Technical Staff (Data Scientist) in San Francisco. We seek 6-8+ years of experience in data science or analytics engineering, with deep SQL expertise and a builder mentality. You'll build AI agents that autonomously conduct full analyses—from hypothesis to recommend...
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175000.00 - 330000.00 USD / Year
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Perplexity
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Ai Research Scientist, Reinforcement Learning
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Meta seeks an AI Research Scientist to advance physical AI through reinforcement learning and LLM post-training. Based in New York, this role involves large-scale simulation, 3D data, and robotics policy development. Requires a PhD in AI, ML, or related field with expertise in RL, computer vision...
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122000.00 - 181000.00 USD / Year
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Meta
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Global Technology Scientist - Strategic Innovation
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Global Technology Scientist – Strategic Innovation role in Granville, OH. Drive early-stage R&D for next-gen nonwoven technologies, developing prototypes and novel material solutions. Requires an MS/PhD in Chemical Engineering, Materials Science, or related field with 3–5+ years in product develo...
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Owens Corning
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Senior Applied Scientist
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Join Microsoft’s Bing Multimedia AIGC team in Redmond as a Senior Applied Scientist to build state-of-the-art AI creation features for Bing and Copilot. You will research metrics, optimize data workflows, and apply machine learning to deliver rich, scalable consumer experiences. Ideal candidates ...
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119800.00 - 234700.00 USD / Year
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Microsoft Corporation
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Staff Scientist - Reservations
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Join Uber’s Reservations Data Science team in Seattle as a Staff Scientist to optimize pricing, matching, and dispatch algorithms. Leverage your Ph.D. or MS in a quantitative field with 6+ years of experience in Python, ML frameworks, and causal inference. Drive efficiency and growth for the Rese...
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216000.00 - 240000.00 USD / Year
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Uber
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Principal Applied Scientist
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Lead the future of conversational commerce as a Principal Applied Scientist at Microsoft Copilot. You will design ML and generative AI systems for product discovery, ranking, and personalization in Redmond. Leverage large-scale data and LLMs to build trustworthy, proactive shopping experiences. J...
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139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Ai Research Scientist — Agentic Ai For Materials Discovery
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Meta Reality Labs seeks an AI Research Scientist to pioneer agentic AI for autonomous materials discovery. You will design LLM-orchestrated multi-agent systems, integrating computational chemistry and HPC to accelerate AR/VR and robotics hardware development. Requires a PhD, Python expertise, and...
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184000.00 - 257000.00 USD / Year
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Meta
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Senior Theoretical & Computational Scientist
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Senior Theoretical & Computational Scientist sought to lead fusion plasma physics research at Realta Fusion in Madison, WI. This role requires a PhD and 5+ years experience in MHD equilibrium, Extended-MHD simulations (NIMROD/JOREK), and PIC/RF heating tools. You will validate models on the WHAM ...
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Realta Fusion Inc.
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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.