40 machine learning engineering jobs at 18 companies in Winchester, VA

PromotedHiringCafe
Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
6d
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Machine Learning Engineer II
Centreville or Minneapolis
$102k-$156k/yr OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
2+ YOEBS in relevant field,2+ years experience,proficiency in ML/deep learning,computer vision,model deployment,experimentation,Python/C/C++,EMR not applicable.
C/C++, Matlab, TensorFlow, Keras, Python, scikit-learn, pandas, OpenCV, Linux
1mo
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AI/ML Machine Learning Engineer
Herndon or King of Prussia or Littleton
$89k-$157k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Bachelor's in STEM required, TS/SCI clearance, advanced experience in AI/ML, deep learning or computer vision, experience with modern software development and programming (Python/Java/C++/C#/MATLAB), and cloud frameworks.
Python, Java, C++, C#, MATLAB, TensorFlow, PyTorch, Keras, Scikit-learn, AWS
3mo
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Machine Learning Engineer, Data & Machine Learning (DML)
Arlington or Herndon
$131k-$178k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
3+ YOEBachelor's in STEM; 3+ years ML experience; strong software engineering; active Top Secret/SCI clearance
Python, SQL/NoSQL, APIs, LLMs, Generative AI
1w
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Machine Learning Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Abile Group
Abile Group: Provides IT, cybersecurity, and program management services to government agencies.
5+ YOEBachelor's in CS or related,5+ years software or ML engineering,proficient Python,experience with Git,Docker,SQL/NoSQL,LLMs,RAG and vector DBs,TS/SCI with CI Poly required.
Python, Git, Docker, SQL, NoSQL, LangChain, LangGraph, ChromaDB, Pinecone, Weaviate, Kubernetes, Rancher, Ansible, ServiceNow, SAP, Tableau, Splunk
3d
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Machine Learning Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Elder Research
Elder Research: Provides data science, machine learning, and predictive analytics consulting services.
3+ YOEActive TS/SCI+CI poly required, Bachelor's with minimum 3 years' experience, proficiency in Python and SQL, familiarity with JavaScript, containerization, REST/FastAPI, agentic AI, NLP, and prompt engineering.
Python, SQL, Javascript, Docker, Rocky Linux, Rest, FastAPI, Langchain, LangGraph, OpenAI Agents, Pydontic, UVicorn, Streamlit, AWS, Mandiant
2mo
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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
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
3w
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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.
Bachelor's or equivalent; hands-on experience with large datasets, Python/Scala, SQL/Spark/NoSQL, cloud platforms, Docker, data warehousing, LLMs, and productionizing ML systems.
Python, Scala, SQL, Spark, NoSQL, AWS, Azure, GCP, Docker, Snowflake, Databricks, Azure SQL, Amazon RDS, LLMs, GPT, Claude, Mistral, MCP, RAG, LangChain, n8n, pydantic
4d
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Artificial Intelligence/ Machine Learning Developer
Ashburn, Virginia, United States
OnsiteFull Time
B&A
B&A: Provides IT systems integration and data services to federal agencies.
3+ YOE3+ years IT experience with AI/ML engineering, MLOps/DevSecOps, proficiency in Python and ML frameworks, cloud deployment experience, ability to work on-site for DHS client and hold active security clearance.
Python, R, Java, C/C++, AWS, Azure, GCP, MLOps, DevSecOps, LLMs, RAGs, Hugging Face, OpenAI, Scikit-Learn, TensorFlow, Keras, PyTorch, SpaCy, ThinC, Gensim, React, Angular, Vue.js, HTML, CSS, JavaScript, PostgreSQL, NoSQL, Vector Database, Graph Database, SQL, ETL/ELT, Pandas, NumPy, Polars, PySpark, Plotly, Matplotlib
1mo
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Machine Learning Engineer (Applied ML/MIssion Systems) - R133
Herndon, Virginia, United States
OnsiteFull Time
Expedition Technology
Expedition Technology: Delivering advanced machine learning and signal processing for defense.
5+ YOEU.S. citizen with active TS/SCI clearance, 5+ years in ML/data engineering/backend, strong Python, ML production experience, familiarity with PyTorch/TensorFlow, NumPy/Pandas, AWS, Docker, Kubernetes, Linux, and Git.
Python, PyTorch, TensorFlow, NumPy, Pandas, AWS, Docker, Kubernetes, Linux, Git, CI/CD, SDLC
3d
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Artificial Intelligence / Machine Learning Lead Verification and Validation Engineer
State College or Reston
$140k-$266k/yr OnsiteFull Time
Penn State University
Penn State University: Provides higher education and conducts extensive academic research programs.
14+ YOEBachelor's in CS/Data Science/Engineering, extensive experience designing/managing data curation, annotation, and IV&V workflows for AI/ML; Python and SQL proficiency; experience with annotation tools and data versioning; U.S. citizenship and clearance eligibility.
Python, SQL, CVAT, Label Studio, DVC, LakeFS, Docker, Kubernetes, AWS, Azure
2mo
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New College Grad - Semiconductor Quality Assurance Engineer
Manassas, Virginia, United States
OnsiteFull Time
Micron Technology
Micron TechnologyNASDAQ: MU: Designs and manufactures semiconductor memory and data storage solutions.
0+ YOEBachelor's or Master's in Electrical/Electronics, Materials Science, Physics, or Microelectronics Engineering; knowledge of semiconductor device physics, CMOS reliability, statistics, and machine learning; Python skills preferred.
Python, Tableau, R, Machine Learning
2mo
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New College Grad - Semiconductor Quality Assurance Engineer
Manassas, Virginia, United States
OnsiteFull Time
Micron Technology
Micron TechnologyNASDAQ: MU: Manufacturer of semiconductor memory and data storage products.
Bachelor's degree in engineering or related field, basic coursework in semiconductor device physics and manufacturing, statistics and machine learning understanding, proficiency with Python/R/Tableau and EMR of quality systems, strong communication.
R, Python, Tableau, Web APIs
1mo
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Automation and Analytic Modeling Engineer
Chantilly, Virginia, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
9+ YOEBachelor's in a technical field, 9+ years supporting intelligence/defense/GEOINT programs, TS/SCI clearance, experience with analytic modeling, automated workflows, scripting (Python, R, MATLAB, Java), and machine learning/data engineering.
Python, R, MATLAB, Java
1w
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Java Software Engineer
Reston, Virginia, United States
$90k-$122k/yr HybridFull Time
Verisign
VerisignNASDAQ: VRSN: Provides internet domain name registry and DNS infrastructure services.
2+ YOE2+ years software development experience; strong CS fundamentals; AWS experience; familiarity with Java/Spring Boot, UNIX, secure coding, and machine learning/LLM concepts; Bachelor's or equivalent.
AWS, Java, Spring Boot, TensorFlow, Hadoop, Spark, GitHub, Jira, Jenkins, Terraform, Ansible, Unix
1mo
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Field Solutions Architect III, Generative AI, Google Public Sector
Reston or Washington or New York
$183k-$266k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
8+ YOEUS citizenship required. Bachelor's in STEM or equivalent. 8+ years programming experience (Python, Java, C++, Go) in machine learning, applied AI/foundation model experience, cloud architecture experience, ability to obtain Top Secret/SCI clearance.
Python, Java, C++, Go, Google Cloud
1mo
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Computer Scientist, Lead Associate
Washington or Reston
$112k-$179k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
5+ YOEActive TS/SCI clearance with polygraph, Bachelor’s in computer science or related field, 5+ years relevant experience, expertise in algorithms, machine learning, data engineering, and intelligence analytic tools; strong analytical and communication skills.
Multiple Information Model Synthesis Architecture (MIMOSA)
1mo
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Lead Data Architect
Herndon, Virginia, United States
OnsiteFull Time
Karsun Solutions
Karsun Solutions: Provider of IT modernization and software development for government agencies.
8+ YOE3+ MgmtBA/BS in CS or related, AWS Certified Machine Learning Specialty, 8+ years data engineering/platform experience with 3+ years in an architect/lead role; hands-on Databricks, PySpark, Python, ML/LLM pipeline and MLOps experience.
Databricks, Unity Catalog, Delta Lake, PySpark, Databricks Jobs, Spark SQL, MLflow, FAISS, Pinecone, Weaviate, Milvus, Databricks Runtime, Python, PyTorch, TensorFlow, Hugging Face transformers, AWS, Parquet, AVRO, Terraform, Jenkins, GitHub Actions, GitLab CI
1mo
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Computer Scientist - Mid
Reston, Virginia, United States
OnsiteFull Time
Cherokee Federal
Cherokee Federal: Provides specialized professional and technical services to federal government agencies.
8+ YOERequires active TS/SCI clearance (or ability to obtain CI polygraph), U.S. citizen or legal permanent resident, ~8 years analytic experience desired, bachelor\u0002s degree preferred, and experience with machine learning, data mining, and data engineering for defense intelligence.
Multiple Information Model Synthesis Architecture (MIMOSA)
2mo
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Data Scientist / AI/ML Engineer (Imagery) VAWFH 1652
Reston, Virginia, United States
$100k-$250k/yr OnsiteFull Time
Global InfoTek
Global InfoTek: Develops advanced cybersecurity software and systems for defense agencies.
5+ YOE5-7 years in machine learning, computer vision, data science; strong Python and ML frameworks; image/video data experience; research-level algorithm understanding; Linux and Git proficiency; TS/SCI clearance; US citizenship.
Python, PyTorch, TensorFlow, Linux, Git, Docker