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Scientist United States Jobs

1020 Job Offers

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Nurse Scientist
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Lead nursing research at Houston Methodist as a Nurse Scientist. Requires a doctoral degree, 5 years clinical nursing experience, and Texas RN licensure. Drive evidence-based practice and mentor staff.
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Houstonmethodist
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Sr Associate Scientist I or II, Medicinal Chemistry
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Senior Associate Scientist, Medicinal Chemistry role in San Diego. Requires BS/MS in Chemistry with 3-5+ years pharma/biotech experience in multi-step organic synthesis and drug discovery. Competitive pay, 401K matching, uncapped vacation.
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Iambic Therapeutics, Inc
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Data Scientist, Strategic Partner Analytics
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Join Ibotta as a Data Scientist in Denver, owning uplift models for personalized rewards. Requires 2+ years experience, Python, SQL, and ML skills. Apply now!
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Ibotta
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Scientist, Lentiviral Vector Cell Line Development
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Join Asimov in Boston as a Scientist in Lentiviral Vector Cell Line Development. Requires PhD with LV production experience, viral transduction assays, and bioreactor scale-up skills.
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Asimov
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Scientist (Cell & Tissue Operations)
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Parallel Bio seeks a Scientist I in San Francisco to drive hands-on human cell and tissue culture, cell banking, and immunological assays. Requires PhD or equivalent experience plus flow cytometry expertise.
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Parallel Bio
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Financial Investigations Data Scientist
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Lead financial crime investigations as a Data Scientist in Washington, DC. Requires active Secret clearance, US citizenship, and 4+ years with Python, SQL, and ML on BSA/SAR data. Salary $98K-$163K.
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United States, US - DC
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Guidehouse
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Senior Data Scientist
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Senior Data Scientist role in Washington, DC requiring 8+ years of data science experience and ability to obtain Top Secret clearance. Lead AI-enabled discovery, knowledge graphs, and predictive modeling. Salary $197K-$328K.
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United States, US - DC
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Guidehouse
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Data Scientist
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Guidehouse seeks a Data Scientist with active Top Secret clearance to support DHS programs in Texas. Fuse structured and unstructured data using Python, R, and SQL to drive investigative insights.
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United States, US - TX
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Guidehouse
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Economic Research Analyst / Junior Data Scientist - 1089
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Economic Research Analyst / Junior Data Scientist role in Moscow, Idaho. Requires 2-4 years of quantitative research experience, SQL, Python, and API skills. On-site position, no visa sponsorship available.
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Lightcast
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Lead Data Scientist, Credit Risk
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Lead Credit Risk Data Scientist role in Chicago shaping credit strategy for new-to-Chime applicants. Requires 7+ years in financial services, unsecured credit risk expertise, strong SQL/Python skills, and hands-on credit bureau data experience.
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Chime Financial, Inc
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Senior Data Scientist
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Senior Data Scientist role driving Product Led Growth through experimentation and causal analysis. Requires strong statistics, SQL, Python, and ML skills to optimize user activation, adoption, and retention. Remote, United States.
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Temporal Technologies
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Senior ML Data Scientist - Women’s Health
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Join ŌURA as a Senior ML Data Scientist on the Women's Health team. Requires a PhD, 3+ years in ML, and strong Python/SQL skills. Develop and commercialize innovative health models with competitive benefits.
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Oura
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Research Scientist - Geo-Distributed Inference
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Join Pluralis Research as a Research Scientist to own the geo-distributed inference stack for Protocol Learning, building pipeline-parallel serving systems over the public internet. Remote-first, equity-heavy, visa sponsorship available.
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Pluralis Research
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Research Scientist - Post-Training
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Join Pluralis Research as a Research Scientist - Post-Training to build RL training stacks for decentralized AI. Requires hands-on RL post-training, strong Python/PyTorch skills, and mission alignment. Remote-first, equity-heavy, San Francisco.
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Pluralis Research
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Senior Data Scientist, Safety Enforcement
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Lead Reddit's Safety Enforcement as a Senior Data Scientist, fully remote in the US. Requires PhD+4 or Master's+8 years in Data Science, SQL/Python, ML, and causal modeling. Great benefits.
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Reddit
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Research Scientist, Benchmarks & Evals
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Join Kled as a Research Scientist to design public benchmarks and private test sets for image, video and document models. Work with real opt-in data at massive scale and shape what trains next-gen AI.
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Kled AI
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Senior Research Associate/Associate Scientist, Analytical Development (Contractor)
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Join Asimov's Analytical Development team in Boston as a Senior Research Associate/Associate Scientist (6-month contract). Run developability and biophysical screening assays (HPLC, ELISA, DSF) to characterize antibodies and engineered proteins.
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Asimov
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Senior Data Scientist
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Senior Data Scientist role at Cint, a ResTech pioneer, to architect statistical methodologies and ML models powering Media Measurement products. Requires a quantitative Master's, 5 years of data science experience, and deep statistical and machine learning expertise. Remote.
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Cint
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UX Scientist - Human Computer Interaction
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Lead UX research in human-autonomy teaming at a Cambridge defense R&D firm. Requires 5+ years HCI/HSI experience, DoD program leadership, and ML knowledge. Shape cutting-edge solutions for national security.
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Charles River Analytics
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Senior Scientist - Human Computer Interaction (UX/HCI/HMI)
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Lead cutting-edge HCI research at Charles River Analytics in Cambridge. Requires 10+ years in HCI/HSI, PI experience with DARPA/AFRL/ONR, and expertise in human-autonomy teaming. Shape the future of human-centered computing.
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Charles River Analytics
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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.