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57 data science machine learning jobs at 33 companies in Vienna, VA

4w
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Lead Machine Learning / Data Science Engineer
Reston, Virginia, United States
$90k-$200k/yr HybridFull Time
CapTech
CapTech: Provides technology and management consulting services to large enterprises.
7+ YOE7+ years delivering data engineering and ML solutions on cloud platforms; technical leadership; hands-on with Python/Scala, SQL, Spark, Docker, Snowflake/Databricks; experience with LLMs, prompt engineering, and productionizing ML systems.
AWS, Azure, GCP, Python, Scala, SQL, Spark, NoSQL, Docker, Snowflake, Databricks, Azure SQL, Amazon RDS, LLMs, GPT, Claude, Mistral, MCP, RAG, LangChain, n8n, pydantic
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2mo
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Manager, Data Science - Consumer Identity Machine Learning
San Jose or McLean or New York
$197k-$225k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
Strong data science and ML skills; experience with large-scale data, Python, Spark; collaboration with product/engineering; open-source and cloud experience; multiple degree options with required years of analytics experience.
Python, Spark, SQL, AWS
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5d
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Machine Learning Engineer, Associate
United States or Raleigh or Durham or Cary or Washington
$91k-$114k/yr RemoteFull Time
Acentra Health
Acentra Health: Provides technology and clinical services for government healthcare agencies.
2+ YOEBachelors in CS/Data Science/Engineering or equivalent experience,2+ years building/applying ML solutions,working knowledge of Python and ML/statistics,EMR/healthcare familiarity desirable.
Python, scikit-learn, PyTorch, TensorFlow, SQL, Pandas, NumPy, Azure, AWS, HL7, FHIR, EHR
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1mo
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Machine Learning Engineer
Arlington, Virginia, United States
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
2+ YOESecret clearance and Bachelor's degree required; 2+ years in AI/ML or data science, experience developing and deploying models, Python and libraries (scikit-learn, TensorFlow, PyTorch), familiarity with C++, Rust, or Java, deep learning/computer vision/generative AI experience.
Python, scikit-learn, TensorFlow, PyTorch, C++, Rust, Java, Cursor, LLMs, MCP, LangChain, LangGraph
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1mo
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Machine Learning Engineer
Arlington or Alexandria or Washington
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
2+ YOE2+ years in AI/ML or data science, experience developing and deploying models, Python and libraries (scikit-learn, TensorFlow, PyTorch), proficiency in Python/C++/Rust/Java, experience with deep learning/computer vision/generative AI, Secret clearance, Bachelor’s degree.
Python, scikit-learn, TensorFlow, PyTorch, C++, Rust, Java, Cursor, LLMs, MCP, LangChain, LangGraph
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3mo
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AI Machine Learning Engineer
Ashburn, Virginia, United States
HybridFull Time
Niyam IT
Niyam IT: IT services and data analytics for government agencies.
8+ YOEUS citizenship, 8+ years ML/AI experience, Bachelors or higher in CS/Engineering/Data Science, TensorFlow/PyTorch, cloud and MLOps, federal compliance exposure, onsite in Ashburn, VA
TensorFlow, PyTorch, Scikit-learn, Docker, Kubernetes, AWS, Azure, GCP, Hadoop, Spark, APIs
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2mo
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Homes.com - Machine Learning Engineer
Arlington, Virginia, United States
HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Provides global real estate information, analytics, and online marketplaces.
5+ YOE5+ years ML engineering or data science experience; 3+ years Python; experience with recommendation systems and preferably computer vision; ML fundamentals and deep learning frameworks (PyTorch or TensorFlow).
Python, PyTorch, TensorFlow, Databricks, Amazon Personalize, SageMaker, SQL, DynamoDB
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3mo
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Machine Learning Engineer
Washington, District of Columbia, United States
HybridFull Time
Virtualitics
Virtualitics: Provides an AI-native platform for readiness and analytics.
4+ YOETS/SCI clearance required; degree in Computer Science or 4+ years software engineering experience. Proficient in Python and Python data stack, big-data frameworks, Docker/Kubernetes/Git, production deployments, strong communication and problem-solving.
Virtualitics AI Platform Python SDK, Python, pandas, NumPy, scikit-learn, PyTorch, Matplotlib, Spark, Databricks, Snowflake, Docker, Kubernetes, Git, Celery, Airflow, Prefect, Flask, Django, Streamlit, Plotly Dash, PCAP
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2mo
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Homes.com - Machine Learning Engineer
Arlington, Virginia, United States
HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Global provider of commercial and residential real estate data.
5+ YOEBachelor's degree required, 5+ years ML engineering/data science experience, 3+ years Python, experience with recommendation systems, familiarity with PyTorch or TensorFlow, strong ML fundamentals.
Python, PyTorch, TensorFlow, Databricks, Amazon Personalize, SageMaker, SQL, AWS RDS, DynamoDB
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1w
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Artificial Intelligence Machine Learning Engineer 2
Annapolis Junction, Maryland, United States
$130k-$270k/yr OnsiteFull Time
Captivation Software
Captivation Software: Provides specialized software engineering for the intelligence and defense communities.
5+ YOEMust hold Top Secret/SCI with favorable Polygraph and U.S. citizenship. Requires 5+ years deploying ML algorithms, Master's or Ph.D. in AI/data science/computer science/advanced math/deep learning, EM/ML test and evaluation skills.
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3mo
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Machine Learning Engineer (Clearance Sponsorship)
Chantilly, Virginia, United States
$113k-$238k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOETS/SCI with Poly; BS in CS/Software Eng/Data Science; 5+ years in software or ML; Python; Git; Docker; ML/deployment; LLMs; vector DBs; REST APIs; SQL/NoSQL.
Python, Git, Docker, LangChain, LangGraph, REST, SQL, NoSQL, ChromaDB, Pinecone, Weaviate, Kubernetes, Ansible
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1mo
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Machine Learning Engineer (Clearance Sponsorship)
Chantilly, Virginia, United States
$113k-$238k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEMust obtain active TS/SCI with polygraph; Bachelor's +5 years in CS/Software/Data Science or related; strong Python, OOP, Git, Docker; experience with LLMs, RAG, vector DBs, SQL/NoSQL, containerization, and cloud/MLOps practices.
Python, Git, Docker, LangChain, LangGraph, Large Language Models (LLM), RAG, ChromaDB, Pinecone, Weaviate, SQL, NoSQL, Vector, Kubernetes, Rancher, Ansible, CI/CD, MLOps, AWS, Azure, Google Cloud, ServiceNow, SAP, Tableau, Splunk
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1mo
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Machine Learning Operations (MLOps) Engineer
College Park, Maryland, United States
$150k-$225k/yr OnsiteFull Time
University of Maryland
University of Maryland: Public research university providing undergraduate and graduate degree programs.
3+ YOEBachelor's in CS/Engineering/Data Science, 3+ years experience in software/data/MLOps, proficiency with ML frameworks (PyTorch, TensorFlow), pipeline tools (Airflow, Kubeflow), Python, Docker, Kubernetes, cloud platforms, and ability to obtain U.S. security clearance.
PyTorch, TensorFlow, Airflow, Kubeflow, Python, Docker, Kubernetes, AWS, Azure, GCP, Terraform, CloudFormation, CI/CD
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4w
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Data Scientist II, AWS Managed Operations Intelligence (MOI) - Data Science
Arlington, Virginia, United States
OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
3+ YOEU.S. citizen required. 3+ years data science experience with SQL/Python/R, machine learning/statistical modeling, and working with large complex datasets; experience with clustered processing (Hadoop/Spark) preferred.
Spark, Airflow, Hugging Face, SQL, Python, R, SAS, MATLAB, Hadoop, MapReduce, Hive
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2mo
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Artificial Intelligence/Machine Learning Engineer
Annapolis Junction, Maryland, United States
$48-$108/hr OnsiteFull Time
EverWatch
EverWatchNYSE: BAH: Provides advanced software and intelligence solutions for government agencies.
3+ YOE3+ years in AI/ML engineering, data science, or software engineering within cyber/intelligence; or 6+ years in lieu of a degree; TS/SCI with polygraph clearance; Bachelor’s degree preferred with related fields; experience with AI workflows and Python.
Python, LangChain, LangGraph, PydanticAI, CrewAI, PyTorch, TensorFlow, vLLM, llama.cpp, AWS, Azure
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2mo
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Data Scientist II
Chantilly, Virginia, United States
$91k-$142k/yr OnsiteFull Time
Noblis
Noblis: Nonprofit science, technology, and strategy firm supporting government missions.
3+ YOEData science with statistical modeling, machine learning, and data analysis for mission-critical datasets.
Python, R, SQL, Tableau, Power BI, Plotly, matplotlib, AWS, GovCloud
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2mo
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Senior Advisor - Artificial Intelligence and Machine Learning
Alexandria, Virginia, United States
HybridFull Time
Systems Planning and Analysis
Systems Planning and Analysis: Provides technical and analytical support to national security agencies.
15+ YOESenior-level AI/ML expert with 15+ years experience; CTO/ senior research experience; defense/national security applications; DoD acquisition familiarity; PhD in CS/AI/Data Science; Top Secret/SCI clearance.
AI/ML, Deep Learning, Generative AI, Reinforcement Learning, AI Assurance, Data Analysis, Policy Translation
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1mo
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Data Scientist
Washington, District of Columbia, United States
$142k-$236k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
7+ YOE7+ years in data science/machine learning, proficiency in Python, PyTorch, Scikit-learn, Azure ecosystem experience, model development and deployment, TS/SCI clearance with polygraph ability preferred.
Python, PyTorch, Scikit-learn, Microsoft Azure, Azure OpenAI, Azure Synapse, Databricks, Azure Security Center
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1mo
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Senior Data Architect / Data Scientist
Arlington, Virginia, United States
OnsiteFull Time
Chenega Corporation
Chenega Corporation: Provides professional government, defense, and facility support services.
8+ YOEBachelor's degree in a related field, 8+ years in data engineering/science/analytics, active Secret clearance required; experience with cloud data platforms, machine learning frameworks, and supporting DoD/federal customers preferred.
AWS, Azure, Databricks, Microsoft Word, Microsoft Excel, Microsoft Office
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3w
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Data Scientist
Reston, Virginia, United States
$100k-$140k/yr OnsiteFull Time
Excelacom
Excelacom: Develops telecom software and provides technology consulting services.
3+ YOEMaster's in Machine Learning/Data Science, 3+ years building ML solutions with Python, TensorFlow, Scikit-learn, Pandas; LLM integration and agent workflows experience; consulting experience and strong communication skills.
Python, TensorFlow, Scikit-learn, Pandas, OpenAI, Anthropic, LangChain, LangGraph
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