FULL_TIME

FEED

UNKNOWN

The successful candidate will leverage Python, SQL, NLP, machine learning, deep learning, and advanced data analytics to transform large volumes of structured and unstructured data into actionable insights that support senior-level decision-making related to production, resources, personnel, and organizational performance. Overview: We are seeking an experienced NLP Data Scientist / Machine Learning Engineer to provide advanced data science and Natural Language Processing (NLP) support for a data-driven business analytics organization.

Senior Data Scientist

[AW]-iCims

Ability to Obtain Public Trust What You Will Do : We are searching for a Data Scientists to provide analytical and technical support for data science activities, including data acquisition, cleaning, transformation, integration, statistical analysis, visualization, and machine learning model development. Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs.

YEAR

Guidehouse

Data Scientist

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The Senior Data Scientist will work across applications and data environments to identify analytical data requirements, improve data quality and accessibility, develop analytical solutions, and enable the effective use of data for operational and mission needs. The role requires the ability to understand complex data flows and systems, identify issues and dependencies, and translate technical data challenges into actionable solutions for both technical teams and leadership.

SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.

We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.

Leidos Holdings Inc

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This position requires expertise in statistical modeling, predictive analytics, data science methodologies, and AI-enabled technologies to support Counter-Unmanned Aircraft Systems (C-UAS) operations, capability development, operational assessments, acquisition decisions, and strategic planning efforts. The Data Scientist will leverage advanced analytics, machine learning, automation, and data fusion techniques to identify operational trends, forecast outcomes, optimize mission performance, and develop innovative analytical solutions supporting senior military and civilian leadership.

CACI provides information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. A member of the Fortune 1000 Largest Companies, the Russell 2000 Index, and the S&amp;P SmallCap 600 Index, CACI provides dynamic careers for over 15,800 employees working in over 120 offices worldwide. Visit <a href="http://www.caci.com" target="_blank" itemprop="url" mns_rt="Company">www.caci.com</a>. 
 
 We strive to sustain a corporate culture based on integrity - one that's focused on treating customers ethically and making their priorities our priorities. We pride ourselves in finding and hiring people with the highest intellectual capital, and providing them with challenging opportunities and encouraging their innovation and initiative.

CACI

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Join a mission-driven team supporting Joint Interagency Task Force (JIATF) 401 , where your expertise in data science, machine learning, and advanced analytics will directly contribute to critical national security and operational missions. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.

Data Scientist--JIATF

Performs routine drug release testing and chemical analysis on developmental formulation and candidate reference materials; examples of test procedures include USP UV-Vis analyses, Loss on Drying, Karl Fischer titrations, Disintegration, Hardness testing, Friability, Differential scanning calorimetry (DSC)/ Thermogravimetric analysis (TGA), particle size determination by laser diffraction, liquid chromatography; Prepares solutions and reagents as needed. Additionally, USP’s People and Culture division, in partnership with the Equity Office, invests in leadership and workforce development to equip all employees with the skills to create high-performing, inclusive teams.

Scientist III

Vantor is a place for problem solvers, changemakers, and go-getters—where people are working together to help our customers see the world differently, and in doing so, be seen differently. Gain exposure to knowledge management systems supported by LLMs and assist in tagging or curating training datasets for LLM models.

Vantor

Responsibilities: Peraton Labs is seeking a Data Scientist to support the BNATCS CTO Advanced Analytics and Digital Command Center teams by transforming complex workstream, program, schedule, requirements, and operational data into trusted metrics, analytical insights, and decision-support products. Candidates for this role should be able to analyze, reason, and communicate well enough to contribute to analytics workflows, dashboard logic, data validation, and integration activities supporting the consolidated data environment that feeds the program’s agentic AI engine.

Peraton drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted and highly differentiated national security solutions and technologies that keep people safe and secure. Peraton serves as a valued partner to essential government agencies across the intelligence, space, cyber, defense, civilian, health, and state and local markets. Every day, our employees do the can’t be done, solving the most daunting challenges facing our customers.

Peraton

Senior Data Scientist - Operational Analytics

Working closely with data scientists, machine learning engineers, software developers, and operational subject matter experts, the Principal Applied Scientist is responsible for developing high-fidelity models, validating scientific assumptions, assessing uncertainty, and ensuring that analytical outputs accurately characterize UTS risks and mitigation strategies. This individual combines expertise in computational modeling, applied mathematics, physics, and data science to ensure that machine learning models, agent-based simulations, and analytical frameworks accurately represent real-world phenomena and produce scientifically defensible, operationally relevant results.

Principal Applied Scientist - TS/SCI

Join a mission-driven team supporting Joint Interagency Task Force (JIATF) 401, where your expertise in data science, machine learning, and advanced analytics will directly contribute to critical national security and operational missions. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.

CACI International Inc.

Data Scientist--Jiatf

The position will have a particular emphasis on single-cell RNA sequencing (scRNA-seq), scATAC-seq, bulk transcriptomics/epigenomics and spatial transcriptomics, including 10x Genomics Xenium, with opportunities to work with additional genomic, transcriptomic, proteomic, and imaging-based datasets. Establish and maintain workflows for 10x Genomics (preferably scRNAseq, Xenium, scATAC and multi-ome), smartseq datasets; related experience in image and transcript quality control, cell segmentation assessment, transcript assignment, cell-type annotation, spatial neighborhood analysis, and integration with complementary single-cell datasets.

Washington University in St Louis

Staff Scientist - Pathology & Immunology

Working with cross-functional teams, you will translate requirements into governed data products, troubleshoot ETL issues, improve processing efficiency, and deliver dashboards, models, and decision-support artifacts that strengthen reconciliation, reporting, and enterprise analytics. You will use Databricks, Python, Spark, SQL, and distributed-compute tools to automate ingestion, enforce data quality, validate integrity, and integrate structured and semi-structured data across mission systems.

West 4th Strategy provides rapid response technology services to defense, civilian, and homeland security customers. We build and mobilize dynamic teams of qualified technologists who embody competence, professionalism, and a commitment to results.
We excel at moving fast to find the right people to get the job done.
And the best part of our technology teams? They make the government&rsquo;s mission their mission. Our teams work with a sense of purpose to power the government.
West 4th Strategy. Our work defines us.

West 4th Strategy

Markon is seeking a Data Scientist to support the Fort Meade customer by analyzing and visualizing Radio Frequency (RF), ELINT, and Technical SIGINT data in support of Advanced Weapons and Counter Proliferation (AWCP) mission objectives. This role develops data-driven insights by manipulating complex datasets, creating meaningful visualizations, and supporting technology discovery across RF signal environments.

Markon Solutions

Data Scientist 2

Expert proficiency in common data science tools, including scripted languages (such as SQL, Python, R, and Java Scripts), Integrated Development Environment and analytics platforms, open-source solutions, commercial off-the- shelf tools and hardware-based capabilities to support the data analytic development process and creating models, dashboards, and reports. Proficiency in common data science tools and programming and scripting languages such as SQL, Python, R, and JavaScript with a proven ability to create solutions in complex environments, including the use of programming languages to create datasets, visualizations, and interactive reports in various business intelligence applications.

PlanIT Group LLC

Description: Markon is seeking a Data Scientist to support the Fort Meade customer by analyzing and visualizing Radio Frequency (RF), ELINT, and Technical SIGINT data in support of Advanced Weapons and Counter Proliferation (AWCP) mission objectives. This role develops data-driven insights by manipulating complex datasets, creating meaningful visualizations, and supporting technology discovery across RF signal environments.

Markon

CACI International Inc

HOUR

Description: The Senior Data Scientist, Marketing Measurement will design and execute rigorous analyses to measure the impact of marketing initiatives and customer strategies. Preferred Skills: Campaign Effectiveness Management, Customer Segmentation, Marketing Analytics, Promotions mgmt.

Artech LLC

Data Scientist Contractor: 6-9 years (Advanced)

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This role is for a highly experienced and curious data scientist to lead and/or support the full-lifecycle development and deployment of analytical solutions at You will operate as a critical member of our analytics consulting team, acting as a trusted advisor for a diverse set of client partners. Experience applying advanced statistical concepts and data science workflows to real-world data, including out-of-sample validation for various model types, sampling considerations, bias detection, handling missing or outlying data, and robust exploratory analysis.

Our Mission
Our mission is empowering our nation through a diverse and skilled workforce securely delivering innovative technology, consulting services and digital solutions for our customers’ mission success, every day.

Our Vision
Our vision is Securing the Future as the most trusted partner for U.S. Defense, Intelligence and Federal Civilian customers through the power of One ManTech. When these agencies think of an essential partner for their national and homeland security needs, they think ManTech.

Our Values
Our values are grounded in a bedrock of truth, integrity and caring for each other and the mission. We hold steadfast to:

• TRUST – We earn and protect the trust of our customers, employees and investors through an enduring foundation of respect, fairness, credibility and honoring our commitments, always.

• INCLUSION – We are an inclusive, diverse and talented workforce with a passion for mission success, intellectual capital, creativity and integrity. Our high ethical standards and investment in our people build confidence with our customers.

• QUALITY– We deliver exceptional quality to customers through differentiated technology solutions and an uncompromising focus on excellence, value and innovation.

ManTech International Corp

Scientist I/II - Pathology Assay Development will lead the development, optimization, qualification, troubleshooting, and transfer of tissue-based biomarker assays supporting MacroGenics antibody-drug conjugate (ADC) and immunotherapy programs from discovery through IND-enabling studies and early clinical development. Scientist I/II will work closely with the Senior Director of Pathology and cross-functional partners to generate robust, reproducible, and biologically meaningful tissue biomarker data that informs target selection, patient-selection hypotheses, translational strategy, safety assessment, and development decisions.

Analytical Scientist Jobs in Washington, DC

Senior Data Scientist VTG

Data Scientist Guidehouse

Data Scientist Leidos Holdings Inc

Data Scientist CACI

Data Scientist--JIATF CACI

Scientist III USP

Data Scientist Vantor

Senior Data Scientist - Operational Analytics Peraton

Principal Applied Scientist - TS/SCI Vantor

Data Scientist--Jiatf CACI International Inc.

Data Scientist CACI International Inc.

Staff Scientist - Pathology & Immunology Washington University in St Louis

Data Scientist West 4th Strategy

Data Scientist 2 Markon Solutions

Data Scientist PlanIT Group LLC

Data Scientist 2 Markon

Data Scientist--JIATF CACI International Inc

Data Scientist Contractor: 6-9 years (Advanced) Artech LLC

Data Scientist ManTech International Corp

Sr. Scientist I/II - Pathology Assay Development MacroGenics Inc

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