265 Results for

Scientist Jobs in Ashburn, VA

Jobs

New!

Herndon, VA2 days 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.

Ft. Belvoir, VA13 days ago

CALIBRE is seeking an experienced Instructor/Facilitator – Data Analytics to support training and education efforts at the Army Force Management School (AFMS) at Fort Belvoir, VA. This role will serve as a subject matter expert responsible for delivering instruction on data analytics tools, methodologies, and their application within Army force management.

Rockville, MD9 days ago

$125,000–$155,000

If you apply to this position-please describe your experience with the following: nucleic acid chemistry enzyme systems molecular diagnosticsOur client is expanding and seeks a Research Scientist focused on Molecular Diagnostics Innovation. Pioneer novel approaches to nucleic acid amplification and detection, moving beyond conventional methodologies to develop next-generation diagnostic platforms.

New!

Washington, DC5 days ago

Remote

Our expert team includes social scientists that acquire, collect, and analyze data from health care organizations and patients; evaluators; health services researchers; health-policy analysts; and professionals with first-hand experience running and supporting health care programs. The successful candidate will support projects such as analyzing Medicare and Medicaid policy changes, informing program design and operations, and helping clients understand how payment structures, incentives, and performance measurement drive cost, quality, and access outcomes.

New!

Washington, DC3 days ago

Master's degree or PhD in electrical engineering, physics, optics or a related field and 4 years of experience (master's degree)/2 years of experience (PhD) in optical systems or related work. DCS Corporation is looking for an Optical Scientist to develop novel sensing techniques for military applications.

New!

Washington, DCToday

Full-time
Employee

These systems consist primarily of computer networks and system integration laboratories (SILs), but may also include hardware-in-the-loop (HITL) facilities that integrate digital and analog processors, cockpit displays and controls, aircraft, weapons, environmental and threat models, databases, and operational flight program software related to interactive man-in-the-loop battlespace environments. Provides technical expertise in the area of software development, integration of models, armament, sensor and electronic warfare systems for a complex integrated battlespace modeling and simulation environments consisting of digital & analog processors, cockpit displays & controls, mechanical & electrical interfaces, and operational flight program software.

Rockville, MD12 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.

McLean, VA27 days ago

$244,700–$279,200 Per Year

Currently has, or is in the process of obtaining one of the following with an expectation that the required degree will be obtained on or before the scheduled start date : A Bachelors Degree in a quantitative field (Statistics, Economics, Operations Research, Analytics, Mathematics, Computer Science, or a related quantitative field) plus 9 years of experience performing data analytics. As a Data Scientist at Capital One, you’ll be part of a team that’s leading the next wave of disruption at a whole new scale, using the latest in computing and machine learning technologies and operating across billions of customer records to unlock the big opportunities that help everyday people save money, time and agony in their financial lives.

New!

Chantilly, VA2 days ago

$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.

New!

Rockville, MD1 day ago

$130,000–$165,000

Define computational pipelines for protein structure determination using structural and sequence-based methods coupled with AI, eg Rosetta. My client is expanding and seeks to hire a Scientist to collaborate with the research team and develop a protein-engineering platform.

Rockville, MD12 days ago

$115,000–$150,000

Develop and advance next-generation phage display methodologies — including guided selection strategies, structure-informed panning, and epitope-directed approaches — expanding platform capabilities well beyond conventional campaign execution. Integrate AI/ML and computational tools into phage display workflows, leveraging generative protein design, protein language models, and in silico affinity prediction to accelerate lead identification and optimization.

New!

Gaithersburg, MD1 day ago

$110,000–$130,000

The ideal candidate will bring deep expertise in antibody discovery and take a leadership role in experimental planning, target characterization, and sequence/structure analysis. D. in Immunology or a related discipline, plus 2+ years of relevant industry or academic laboratory experience.

Rockville, MD9 days ago

Our biotech client is expanding their world-class Antibody Engineering group and seeking an exceptional scientist with deep expertise in structural biology and protein engineering, with a strong drive to apply structural insight to antibody discovery and optimization. Apply protein structure/function expertise to challenging drug targets — including membrane proteins and conformational epitopes — translating structural knowledge into actionable engineering hypotheses.·

New!

Washington, DC2 days 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.

New!

Washington, DC1 day ago

$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.

Fairfax, VA17 days ago

$78,000–$136,000 Per Year
Temporary
Contractor
Full-time

SynergisticIT focuses on roles such as entry-level software programmers, Java full stack developers, Python/Java developers, Data Analysts, Data Engineers, Data Scientists, and Machine Learning Engineers. Many candidates spend months learning frameworks and finishing courses, only to freeze during technical screens, system questions, or behavioral rounds.

McLean, VA14 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, DC30+ days ago

Remote

Full-time
Employee

This role is fully remote, offering the opportunity to work on impactful projects that leverage artificial intelligence to improve operational efficiency, automate workflows, and support decision-making in secure government environments. * Design and Deploy AI/ML Solutions: Develop practical machine learning models and AI prototypes tailored to mission-critical government use cases such as workflow automation, document processing, and decision-support analytics.

Washington, DC30+ days ago

$155,000–$165,000 Per Year

We seek quantitative scientists with expertise in one or more of the following areas: causal inference and quasi-experimental designs in education policy; analysis of large-scale assessment data (e.g., NAEP, PISA, PIAAC) and equity-forward reporting; responsible AI/ML for policy and practice (including bias detection and mitigation); measurement and validation of durable skills and civic capacities; longitudinal systems analysis; and program evaluation that translates research into actionable policy guidance. Through strategic acquisitions, we've expanded our global capabilities: PSI strengthens our workforce assessment solutions, while Edusoft, Kira Talent, Pipplet, Vericant, and Wheebox enhance our educational technology and assessment platforms across critical markets worldwide.

College Park, Maryland30+ days ago

$176,000–$282,000 Per Year

Responsibilities: Peraton Labs is seeking a poly cleared Principal RF Research Scientist to lead and execute cutting-edge R&D in Radio Frequency Machine Learning (RFML), Digital Signal Processing (DSP), and/or Software Defined Radio (SDR). Leading or co-leading the technical design, development, and prototyping of RF sensing/communications solutions including detection/classification, waveform characterization, interference mitigation, spectrum situational awareness, link analysis, or related mission applications.

New!

College Park, Maryland2 days ago

$135,000–$216,000 Per Year

You will collaborate with researchers, software engineers, signal processing experts, and customer stakeholders to solve complex problems involving RF sensing, signal characterization, waveform analysis, spectrum awareness, and machine learning-enabled wireless systems. Demonstrated history of research in Machine Learning and RF spectrum domains, including publications, prototypes, proposals, patents, technical reports, or customer-facing research briefings.

New!

College Park, Maryland6 days ago

$176,000–$282,000 Per Year

Within this role you will work in a dynamic R&D environment, collaborate directly with government leadership and technical stakeholders, and help shape next-generation research efforts in cyber network defense, secure networking, experimentation platforms, and emerging network technologies. Minimum of 12+ years of experience with a Bachelor’s degree, 10+ years of experience with a Master’s degree, or 8+ years of experience with a PhD in Computer Science, Computer Engineering, Electrical Engineering, Cybersecurity, or a related technical field.

New!

College Park, Maryland5 days ago

$176,000–$282,000 Per Year

The ideal candidate for this role is a senior hands-on software researcher or prototype engineer who can translate customer needs into working capabilities, develop complex software prototypes, integrate existing systems, and help guide technical execution across small research teams. Minimum of 12+ years of experience with a Bachelors degree, 10+ years of experience with a Masters degree, or 8+ years of experience with a PhD in Computer Science, Computer Engineering, Electrical Engineering, Software Engineering, Data Science, Applied Mathematics, or a related technical field.

College Park, Maryland7 days ago

$135,000–$216,000 Per Year

You will collaborate with multidisciplinary teams of researchers, engineers, and customer stakeholders to solve complex problems involving wireless systems, signal processing, protocol analysis, networked communications, and secure communications environments. This role will focus on designing, developing, prototyping, and evaluating SDR-based capabilities for advanced wireless communications, networking, cyber operations, and experimentation platforms.

New!

Fairfax, Virginia4 days ago

Applies machine learning (ML) and artificial intelligence (AI) techniques to enhance traditional chemical transport modeling systems; Improves prediction accuracy and computational efficiency through fine-resolution data fusion, bias correction, and model surrogate development; and. Knowledge of Community Multiscale Air Quality program (CMAQ), Sparse Matrix Operator Kerner Emissions program (SMOKE), Data Assimilation, Surrogate Tools, and other modeling skillsets.

Rockville, MD30+ days ago

Maryland Treatment Centers (MTC) is seeking a full-time Research Scientist and Clinical Psychologist to support innovative addiction research within our Rockville treatment center. This role offers the chance to develop a research-oriented career in substance use disorder (SUD) and trauma treatment while working alongside a multidisciplinary clinical team.

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.

Herndon, Virginia30+ days ago

$104,000–$166,000 Per Year

As the worlds leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. You will work closely with Labs internal Agentic AI teams in support of the Program CTO to perform analysis, build software, develop prototypes, and contribute to mission-relevant solutions.

Washington, DC30+ days ago

Remote

$71,100–$97,800 Per Year

To ensure Home or Hybrid Home/Office employees’ ability to work effectively, the self-provided internet service of Home or Hybrid Home/Office employees must meet the following criteria: + At minimum, a download speed of 25 Mbps and an upload speed of 10 Mbps is required; wireless, wired cable or DSL connection is suggested. The Clinical Analytics team identifies opportunities and build solutions to improve clinical outcomes and lower costs for millions of Medicare Advantage beneficiaries leveraging data science & analytics, clinical expertise, strategic mindset, and rigorous study designs.

Fairfax, VA12 days ago

Remote

The ideal candidate brings deep expertise in cardiovascular physiology, hemodynamics, and computational modeling, with the ability to translate biological systems into predictive, data-driven models. This role will focus on developing and validating physiology-based models of the cardiovascular system, integrating clinical data with computational methods to simulate disease progression and treatment outcomes.

Herndon, Virginia30+ days ago

$135,000–$216,000 Per Year

Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan. Unlike a traditional production-focused data science role, this position will emphasize research, prototyping, experimentation, and transitioning innovative AI capabilities into operational mission systems.

Springfield, VA9 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.

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.

Tysons, VA21 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

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.

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.

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.

Fort Belvoir, VA30+ days ago

Full-time

You will support data-driven decision making by analyzing data, developing basic models, creating visualizations, and generating actionable insights as part of a multi-disciplinary team delivering analytical and software solutions for national security missions. The Capabilities, Analysis and Development (CAD) division of Applied Research Associates, Inc. (ARA) has an outstanding opportunity for a Journeyman Data Scientist to support a multi‑disciplinary team providing data analysis and visualization support across the Department of War (DoW) mission space.

Fort Belvoir, VA30+ days ago

Full-time

You will support data-driven decision making by analyzing data, developing basic models, creating visualizations, and generating actionable insights as part of a multi-disciplinary team delivering analytical and software solutions for national security missions. The Capabilities, Analysis and Development (CAD) division of Applied Research Associates, Inc. (ARA) has an outstanding opportunity for a Senior Data Scientist to support a multi‑disciplinary team providing data analysis and visualization support across the Department of War (DoW) mission space.

Fort Belvoir, VA30+ days ago

Full-time

Bachelor’s degree in data science, statistics, computer science, mathematics, or a related field with 2+ years’ experience, or a Master’s degree in data science, statistics, computer science, mathematics, or a related field. You will support data-driven decision making by analyzing data, developing basic models, creating visualizations, and generating actionable insights as part of a multi-disciplinary team delivering analytical and software solutions for national security missions.

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

Knowledge of quantitative and survey research methodologies (e.g., bias correction for surveys, survey sampling and design, regression modeling, causal inference with a survey outcome, shrinkage and regularization, designing and analyzing longitudinal panel surveys, behavioral data analysis). Applicants may include social scientists, applied statisticians, or other applied researchers with expertise in quantitative research methods, experience working with large datasets and relational databases, and experience with survey methodology (e.g., bias correction, sampling).

McLean, VA26 days ago

$286,200–$326,700 Per Year

Bachelors degree in Computer Science, AI, Electrical Engineering, Computer Engineering, or related fields plus at least 10 years of experience developing AI and ML algorithms or technologies, or a Masters degree in Computer Science, AI, Electrical Engineering, Computer Engineering, or related fields plus at least 8 years of experience developing AI and ML algorithms or technologies. Partner with a cross-functional team of engineers, research scientists, technical program managers, and product managers to deliver AI-powered products that change how our associates work and how our customers interact with Capital One.

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.

Sterling, VA7 days ago

BluePath Labs is a fast-growing research and consulting company committed to solving complex problems for federal, state, and local government clients. BluePath's extensive experience in Government, Military, Commercial, and Academic environments is unique among small businesses and a core differentiator of our solutions.

Fort Detrick, Maryland30+ days ago

$86,000–$112,000 Per Year

The Therapeutics Research Scientist participates in early-stage development and evaluation of therapeutic candidates, supporting mechanism of action and efficacy testing using various assay systems. As experts in healthcare IT experts, Apex is committed to building systems for healthcare organizations to seamlessly communicate and exchange data across different systems and devices.

Washington, DC30+ days ago

Requires Doctorate Degree (or foreign equivalent) Computer Science, Engineering, Information Systems, Analytics, Statistics, Mathematics, Physics, Applied Sciences, or a related field. 4. Performing research that enables learning the semantics of data (images, video, text, audio, or other modalities) and advances the technology of intelligent machines.

Fort Detrick, Maryland30+ days ago

$86,000–$112,000 Per Year

The Automation and Assay Research Scientist supports laboratory automation projects, assisting with integration of robotic systems and assay optimization for screening biological samples. As experts in healthcare IT experts, Apex is committed to building systems for healthcare organizations to seamlessly communicate and exchange data across different systems and devices.

Herndon, Virginia30+ days ago

$86,000–$138,000 Per Year

The Data Scientist - Object Based Intelligence (OBI) Analytic Efficiency utilizes expertise in discovering and analyzing complex data sets and data sources to derive actionable insights using statistical methods, machine learning and data visualization tools. OBI specifically, supports the Senior and Mid-Level Data Scientists in performing the following: Design, develop, and evaluate leading-edge algorithmic intelligence concepts, practices, and technologies for implementation into OBI.

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Scientist Jobs in Ashburn, VA

Jobs

Senior Scientist, Systems Engineer (Melbourne, FL & Herndon, VA)L3Harris Technologies

Data ScientistCalibre Systems

Senior Research Scientist, Molecular Diagnostics InnovationGables Search Group

Research Scientist – Value-based payment (VBP) and delivery system transformation - Chicago, Washington DC or RemoteU of C NORC

Optical Scientist/Research PhysicistDCS Corporation

Computer ScientistJT4

Scientist 1Joulé

Director, Data Scientist - US Card (Mainstreet Acquisitions)Discover Financial Services

Scientist, Software EngineerL3Harris Technologies

Scientist, Enzyme and Protein EngineeringGables Search Group

Senior Scientist, Antibody EngineeringGables Search Group

Senior Scientist, Immunology & Antibody DevelopmentGables Search Group

Senior Scientist, Protein Engineering & Structural BiologyGables Search Group

Data ScientistCapgemini Government Solutions

Data ScientistSystem One

Entry level Java spring boot developer/ data scientistSynergisticIT

Data Scientist Associate - OnsiteGenesis10

Data Scientist, AI PilotsGDH Consulting

Senior Research Scientist - PolicyETS

Principal RF Research Scientist (RFML/DSP/SDR)Peraton

Research Scientist - RF Machine LearningPeraton

Senior Research Scientist - Cyber Network SecurityPeraton

Senior Research Scientist - Advanced SystemsPeraton

Research Scientist - Software Defined RadioPeraton

Research ScientistGeorge Mason University

Research Scientist & Clinical PsychologistMaryland Treatment Centers, Inc.

Senior Scientist BioscienceGTT

AI/ML Research Scientist - Agentic SystemsPeraton

Clinical Research Scientist 2Humana

Cardiovascular Research ScientistPivot Path Solutions

Senior Data ScientistPeraton

Workforce Data Scientist (Visualization and Analysis)CIDIS LLC

Lead Data Scientist - Research and Development - Graph IntelligenceHighmark Health

Data Scientist/Machine Learning Engineer - TS/SCI with Poly required (req-235)CATHEXIS

Senior Data Scientist (AI/ML/GenAI Specialist)VantageScore

Senior Data Scientist (TS/SCI w CI Poly)ActioNet, Inc

Senior Data Scientist (Credit File Expert)VantageScore

Journeyman Data ScientistApplied Research Associates, Inc

Senior Data ScientistApplied Research Associates, Inc

Junior Data ScientistApplied Research Associates, Inc

Data Scientist - SeniorGRVTY

Data ScientistGRVTY

Research Scientist, Demography and Survey SciencesMeta

Sr, Distinguished AI EngineerDiscover Financial Services

Applied Scientist 5Oracle

Senior Scientist (Forensic/Analytical Chemist) - CBP (Onsite)BluePath Labs

Therapeutics Research ScientistGoldbelt, Inc.

Research ScientistMeta

Automation and Assay Research ScientistGoldbelt, Inc.

Junior Data Scientist - Object Based Intelligence (OBI) Analytic EfficiencyPeraton

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