140 Results for

Medical Scientist Jobs in Arlington, VA

Jobs

New!

Herndon, VA1 day ago

The successful ACE will engage with customer, engineering, operations, and management personnel to define and document the customer’s mission needs, CONOPS and requirements; perform trade studies; engage L3Harris Subject Matter Experts (SMEs) to architect an affordable solution carrying acceptable risk; and provide technical leadership to capture and proposal efforts. The role requires demonstrated leadership across multiple disciplines, with significant expertise in model-based design and operations for large scale networks integrating multiple technologies (terrestrial, radio, satellite) and system life-cycle sustainment.

Rockville, MD11 days ago

RequirementsBachelor's degree or higher in Chemical Engineering, Bioengineering, Cell Biology, Data Science, or a related scientific or engineering field (Graduate degree preferred). System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.

Laurel, MD11 days ago

$105,000–$290,000

Possess a M.S. degree in electrical engineering, physics, optics, chemistry, or a related field and a minimum of 5 years-experience working in the area of numerical modeling of optical systems OR a B.S. degree in a related field with a minimum of 10 years of experience working with numerical modeling tools. As a member of the High Energy Laser Systems & Technologies section in the Optics and Photonics Group, your work will help inform decision makers in the defense community to help solve some of our nation’s most critical challenges related to high power lasers and laser weapon systems.

New!

Chantilly, VAToday

$161,500–$300,500 Per Year

Enterprise Integration: Engineer and integrate cutting-edge capabilities, seamlessly merging legacy and emerging technologies to deliver robust mission solutions across complex government and DoD environments. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Laurel, MD11 days ago

$105,000–$290,000

As a member of our team, you’ll contribute to the development and evaluation of quantum error correcting codes (QECCs), working closely with theorists and experimentalists to bridge knowledge gaps and address practical limitations of quantum error correction on current and future hardware platforms. You will join our hardworking team of quantum scientists who are passionate about building new and exciting solutions to expand the state-of-the-art in quantum science.

New!

Washington, DCToday

$64.98–$64.98 Per Hour

Experience in predictive modeling, data science, and machine learning, including techniques like support vector machines, neural networks, and gradient boosting. Develop algorithms, scripts, and predictive analytics using AWS Sagemaker, AWS Bedrock, AWS AgentCore, and other AI & ML tools to turn disparate data into objective decisions.

New!

Odenton, MD3 days ago

$154,050–$278,475

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. May 8, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

New!

Chantilly, VA4 days ago

$154,050–$278,475

This role supports customers operating in classified environments and requires close collaboration with subject matter experts, designers, engineers, analysts, and mission stakeholders to deliver innovative, operationally relevant data science and AI solutions. Master’s degree in Data Science, Computer Science, Statistics, Mathematics, Engineering, or a related quantitative field with 15+ years of relevant experience, or Bachelor’s degree with 18+ years of relevant experience.

New!

Washington, DC1 day ago

Minimum of three (3) years of professional experience (relevant advanced degrees may substitute equivalent number of years) with data science, AI/ML, or deep learning delivery responsibilities such as: Designing and developing data models and algorithms for multi-objective optimization and decision making. The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs.

McLean, VA13 days ago

$48.57–$52.57 Per Hour
Temporary
Contractor
Full-time

Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. The successful candidate will codify existing methodologies into functional code, create automation dashboards using SAS, Python, and React libraries, and support business areas with advanced statistical and quantitative analysis.

Washington, Washington, DC30+ days ago

$109,800–$171,525 Per Year

We are seeking a Senior Scientist / Subject Matter Expert - Medical with extensive expertise with the Deputy Assistant Secretary of War for Chemical, Biological, Radiological, and Nuclear Defense (DASW(CBRND)) within the Washington, DC area to join our team. Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws.

Olney, Maryland22 days ago

$35.68–$64.71 Per Hour

Utilizes judgment and discretion in considering sample integrity process calibration reagent concentration and stability quality control prior to releasing testing results. Certification requirement waived for individuals holding a masters degree (or higher) in chemical physical biological clinical laboratory science or a related field.

Olney, Maryland19 days ago

$35.68–$64.71 Per Hour

Certification requirement waived for individuals holding a masters degree (or higher) in chemical physical biological clinical laboratory science or a related field, or certification requirement is waived for applicants with a minimum of 3 years experience in a designated specialty.). About this Job: This is a part time, 24 hours per week role on overnight shift 11pm -7:30am, working 3 x8 hour shifts per week with rotating weekends, in the core lab.

Washington, DC12 days ago

$35.68–$64.71 Per Hour

Performs routine and specialized assays and provides technical advice and information in the blood bank department of the clinical laboratory to support the diagnosis and treatment of diseases. Utilizes judgment and discretion when considering sample integrity, process calibration, reagent concentration and stability, and quality control prior to releasing test results.

Baltimore, Maryland12 days ago

$35.68–$64.71 Per Hour

Performs a wide variety of routine and special procedures following prescribed protocol and using manual or automated methods; calculates and reports results as established; consults with pathologist regarding difficult analysis or abnormal findings. Participates in surveys conducts established quality control of procedures evaluates results implements corrective action when indicated and ensures accuracy of test results.

Chantilly, VA30+ days ago

Contractor

Informs Study Director, Lead Scientist, and/or management of any problems or deviations that may affect integrity of the data; participates in corrective action of problems. This can include planning, monitoring, and guiding project work by effectively utilizing personnel and resources for timely completion of assigned projects.

Silver Spring, MD30+ days ago

5+ years of professional experience with a BA/BS in Bachelor’s Degree in computational biology, applied mathematics, or related field of study OR 3+ years of professional experience with a MA/MS in in computational biology, applied mathematics, or related field of study OR 1+ years of professional experience with a PhD in in computational biology, applied mathematics, or related field of study. As part of this effort to develop an integrative multiscale lung model, the Data Scientist, Computational Biology will analyze and integrate diverse data types, including molecular, imaging, and text-based (scientific publications) to map biological processes relevant to lung disease and stem cell differentiation.

Manassas, Virginia30+ days ago

$140,000–$160,000 Per Year

Responsibilities: Scientific Leadership and Technical Expertise in Medical Bacteriology and Infectious Disease: Lead and execute complex medical bacteriology and infectious disease research supporting validated products and services, serving as a subject matter expert and primary individual contributor while providing technical leadership and guidance to scientific staff. Collaboration, Proposals, and Business Development: Partner cross‑functionally on infectious disease–focused new product development, technology transfer, and informatics initiatives; contribute scientific expertise to grant and contract proposals and cultivate external scientific and public health relationships.

Gaithersburg, MD30+ days ago

This role supports early oncology initiatives through hands-on laboratory work and cross-functional collaboration, contributing to patient-centric model systems that inform drug development decisions. GTT is a minority-owned staffing firm and a subsidiary of Chenega Corporation, a Native American-owned company in Alaska.

Annapolis Junction, MD30+ days ago

$115,000–$145,000 Per Year

Relevant experience must be in designing/implementing machine learning, data science, advanced analytical algorithms, programming (skill in at least one high-level language (e.g., Python)), statistical analysis (e.g., variability, sampling error, inference, hypothesis testing, EDA, application of linear models), data management (e.g., data cleaning and transformation), data mining, data modeling and assessment, artificial intelligence, and/or software engineering. physics, chemistry, biology, astronomy), or other science disciplines with a substantial computational component (i.e. behavioral, social, or life) may be considered if it included a concentration of coursework (5 or more courses) in advanced Mathematics (typically 300 level or higher, such as linear algebra, probability and statistics, machine learning) and/or computer science (e.g.

Annapolis Junction, MD30+ days ago

$155,000–$185,000 Per Year

physics, chemistry, biology, astronomy), or other science disciplines with a substantial computational component (i.e. behavioral, social, or life) may be considered if it included a concentration of coursework (5 or more courses) in advanced Mathematics (typically 300 level or higher, such as linear algebra, probability and statistics, machine learning) and/or computer science (e.g. Through analytic modeling, statistical analysis, programming, and/or another appropriate scientific method, develop and implement qualitative and quantitative methods for characterizing, exploring, and assessing large datasets in various states of organization, cleanliness, and structure that account for the unique features and limitations inherent in Government data holdings.

Washington, DC30+ days ago

Leveraging your profound expertise in graph databases (e.g., Neo4j, ArangoDB, Amazon Neptune, Ontotext GraphDB), distributed graph processing frameworks (e.g., Apache Spark GraphX, Dask-Graph), and leading GML libraries (e.g., PyTorch Geometric, DGL, Spektral), you will conduct in-depth research, construct sophisticated predictive, prescriptive, and diagnostic models directly on graph structures. You will proactively identify opportunities to construct and leverage comprehensive healthcare knowledge graphs, integrating diverse patient, provider, claims, and clinical data to uncover hidden patterns, propagate insights through networks, and develop groundbreaking analytical solutions that exploit the rich, multi-modal structures within healthcare.

Washington, DC30+ days ago

$180,000–$255,000 Per Year

ActioNet is a CMMI-DEV Level 4, CMMI-SVC Level 4, ISO 20000, ISO 27001, ISO 9001, HDI-certified, woman-owned IT Solutions Provider with strong qualifications and expertise in Agile Software Engineering, Cloud Solutions, Cyber Security, and IT Managed Services. Minimum Eight (8) years of relevant experience with a BS in Data Science, Mathematics, Information Science, Statistics, Engineering, Business Analytics, or related degree; OR Four (4) years of relevant experience with an MS degree in Data Science, Engineering, Mathematics, or related degree.

Annapolis Junction, MD30+ days ago

$130,000–$270,000 Per Year

Machine Learning: Knowledge of machine learning algorithms and frameworks (such as TensorFlow and Scikit-Learn) is vital for building predictive models and automating decision-making processes. Database Management: Familiarity with SQL and database management systems (like PostgreSQL and MongoDB) is essential for extracting and manipulating data stored in relational databases.

McLean, VA30+ days ago

There are recurring opportunities on this team for Analytic / BigData Software Developers, Full Stack Software Engineers, Web Application Developers, Java Developers, JavaScript Developers, Python Developers, Geospatial (GIS) Developers, ETL Developers, Data Scientists, Data Engineers, Data Analysts, AWS Engineers, DevOps Engineers, Cloud Migration Experts, and Geospatial Systems Engineers. The customer is excellent to work with, and there is a healthy mix of customer-driven requirements and team-driven ideas / innovation: engineers typically have freedom in choosing how to do things and which technologies to utilize.

Washington, DC30+ days ago

We are seeking a highly motivated and innovative Senior Data Scientist (AI/ML) to join our brilliant team of analytics professionals and developers, supporting the cutting-edge development of credit scoring models, generation of unique insights, and delivery of transformative technologies rooted in innovative value propositions. You'll partner cross-functionally to deliver scalable AI-powered products and solutions that redefine how consumers engage with credit - ensuring our models are accurate, explainable, and aligned with our mission to empower responsible lending and financial inclusion.

Fort Meade, MD30+ days ago

$150,000–$210,000 Per Year

The right candidate will apply requisite computer science skills (operating systems, compiler theory, databased theory, algorithm analysis, computer architecture, discrete math, programming language theory, and data structure) to each problem to provide state-of -the-art techniques, tools, and approaches. Requisite computer science skills (operating systems, compiler theory, database theory, algorithm analysis, computer architecture, discrete math, programming language theory, and data structures are applied to each problem to provide state of the art techniques, tools, and approaches).

Springfield, VA30+ days ago

The ideal candidate brings deep analytic expertise, advanced data science capabilities, and demonstrated experience supporting national security objectives across GEOINT, multi-INT, and enterprise-level analytic environments. GEOINT / Multi-INT Core Tradecraft Support GEOINT analysis using imagery, spatio-temporal datasets, and multi-source intelligence to uncover relationships, trends, and mission-relevant events.

Chantilly, VA30+ days ago

We're particularly interested in people with any of the following experience: - developing AI / ML models (neural networks, tree based algorithms, etc.); - conducting data analysis in the fields of Computer Vision, NLP, or audio signal processing; - doing data ingest and ETL into sponsor environments; or. Our team is charged with taking commercial and academic innovation high-side, in domains of Artificial Intelligence / Machine Learning (AI / ML) such as Computer Vision (Image and Video Processing), Natural Language Processing (NLP), and Audio Modeling.

Washington, DC30+ days ago

We are seeking a highly motivated Senior Data Scientist (Credit File Expert) to join our team of analytics professionals and developers dedicated to advancing the science of credit scoring, uncovering unique insights, and creating next-generation products grounded in innovative value propositions. An industry thought leader and technology innovation leader, the company's most recent models score approximately 94 percent of all adults 18 and older - including 33 million more people than conventional models - without sacrificing safety and soundness.

Springfield, VA8 days ago

Utilize and develop queries and reports from NGA's HRIS system (PeopleSoft), CAVE, and Cognos using appropriate data science and business intelligence tools (Python, R, SQL, Tableau, Microsoft Office); and analyze data using descriptive (e.g., means, percentages) and inferential statistics (e.g., ANOVA, t-test, regression modeling techniques). Display analytic results in text and visually using appropriate data science, business intelligence, and visualization tools (Python, R, SQL, Tableau, Microsoft Office), and communicate results to audiences at all levels of NGA.

Tysons, VA20 days ago

$100,000–$220,000

The Data Scientist/ML Engineer will work directly with data scientists, software engineers, and subject matter experts in the definition of new analytics capabilities able to provide our federal customers with the information they need to make proper decisions and enable their digital transformation. Hands-on experience deploying and operating applications using IaaS and PaaS on major cloud providers, such as Amazon AWS, Microsoft Azure, or Google Cloud Services.

Washington, DC30+ days ago

$139,400–$291,800 Per Year

A successful candidate will bring a passion for innovative products, strong collaboration skills and the ability to work closely with both external customers and internal teams, as well as hands-on experience as a data scientist applying AI to solve business problems. We are looking for candidates who are passionate about building state-of-the-art technologies to solve real-world problems and have a solid technical background in deep learning, especially natural language processing (NLP) and multimodal models, to join this team.

Herndon, VA30+ days ago

You will leverage your expertise in statistics, machine learning, and data analysis to extract insights from large datasets and solve complex business problems. Altus Consulting is seeking a talented Data Scientist to join our team and drive data-driven decision making for our clients.

Herndon, Virginia30+ days ago

It is an opportunity to be part of a diverse and engaged community of professionals, to be treated as a respected and valued member of a motivated team and to be empowered to do exceptional work that advances the best interest of everyone involved. Frequent and prolonged use of data collection equipment and/or drones, necessitating walking the assigned study area to complete data collection over the course of several hours.

Herndon, Virginia30+ days ago

Frequent and prolonged use of data collection equipment and/or drones, necessitating walking the assigned study area to complete data collection over the course of several hours. It is an opportunity to be part of a diverse and engaged community of professionals, to be treated as a respected and valued member of a motivated team and to be empowered to do exceptional work that advances the best interest of everyone involved.

Herndon, Virginia30+ days ago

Ability to effectively communicate with all levels of the organization and external partners to include colleagues (scientists, engineers, and surveyors), clients, landowners, government agency personnel, and the general public. Project management experience including developing proposals, budgets, management of personnel and workloads and deliverables (including technical reports and permits).

Laurel, Maryland30+ days ago

We are seeking a creative, collaborative, and hardworking technical leader to guide the innovation and technology development activities of APL’s Human-Centered Design Group and assist group leadership with technical guidance, vision, and strategy. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

Ft Detrick, Maryland30+ days ago

Perform immunological assays to characterize responses to infection including, but not limited to, enzyme-linked immunoassay (ELISA), Western Blot, flow cytometry, plaque reduction neutralization test (PRNT) and immunohistochemistry (IHC). The contractor will serve as a lead scientist within the Molecular Virology Branch, primarily assisting with research aimed at the discovery and development of medical countermeasures targeting viruses that pose a threat to the military and require high containment.

Springfield, VA11 days ago

Full-time

With high-level expertise and decades of experience, coupled with proven project management systems and top-notch client support, Masego enhances the performance capabilities of the Department of Defense and the intelligence community. Masego provides expert-level Geospatial Collection Management, Full Motion Video; Human Geography; Information Technology and Cyber; Technical Writing; and ABI, Agile, and other professional training.

McLean, VA30+ days ago

Full-time

Hive Group, a HUBZone-certified SDVOSB and multiple award-winning organization, delivers innovative solutions to address complex, mission critical program challenges for the federal government. Develop and maintain enterprise-level dashboards (e.g., using Tableau or Power BI) to track key performance indicators (KPIs) and operational metrics.