667 junior data jobs at 301 companies in Winchester, VA

2mo
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Data Engineer - Junior
Quantico, Virginia, United States
$94k-$157k/yr OnsiteFull Time
American Systems
American Systems: Providing strategic engineering and IT solutions for government programs.
0+ YOE0–3 years in data engineering; SQL and Python; bachelor’s in CS/IS/Engineering/Data Science; active TS/SCI clearance.
SQL, Python, Relational Databases
3w
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Junior Data Analyst
Reston, Virginia, United States
OnsiteFull Time
PrimCorp
PrimCorp: Management consulting services for federal and state government agencies.
2+ YOEBachelor's degree in related field, 2-3 years related experience, experience with data management, ETL, data warehouses, predictive analytics, modeling, and visualization; TS/SCI clearance required.
4d
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Data Engineer Junior
Fairfax, Virginia, United States
$80k-$92k/yr RemoteFull Time
ASM ResearchNYSE: ACN: Provides IT and healthcare services to government agencies.
1+ YOEBachelor's or equivalent,1+ years data engineering experience,Python and SQL proficiency,experience with Spark and ETL,ability to obtain SECRET clearance,U.S. citizenship required.
Python, SQL, Spark, Apache Airflow, Hadoop, AWS, Azure, Google Cloud
1w
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Junior Data Scientist
Reston, Virginia, United States
$80k-$121k/yr OnsiteFull Time
Absolute Business Solutions Corp
Absolute Business Solutions Corp: Provides technology and intelligence services to the US government.
3+ YOEBachelor's in related field (or substitution), minimum 3 years relevant experience, TS/SCI clearance ability, experience with data cleaning, visualization, and AI/ML for unstructured data.
Tableau, Power BI
2d
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Junior Data Analyst (Cleared)
Ashburn or Washington or Reston
$61k-$104k/yr OnsiteFull Time
ICF
ICFNASDAQ: ICFI: Provides strategic consulting and technology services to global organizations.
2+ YOEU.S. citizen with recent Public Trust/DoD Secret/Top Secret clearance, bachelor\u0002s in a quantitative field, 2 years relevant experience, proficiency in data preparation, reporting, documentation, and analytics.
SQL, Python, R, Microsoft Excel, SAS, Databricks, AWS, Tableau, Microsoft Power BI, QuickSight
1w
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Junior Data Analyst
Reston, Virginia, United States
$70k-$91k/yr OnsiteFull Time
QualX
QualX: Provides information management and IT solutions to government agencies.
2+ YOETS/SCI with CI Polygraph; Bachelor's degree; minimum 2 years relevant experience; proficiency with Microsoft Excel/Word/PowerPoint and analytic methodologies; strong communication and critical thinking.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint, DODIIS
2w
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Junior Data Analyst - TS/SCI with Polygraph Required
Washington or Reston
$120k-$150k/yr OnsiteFull Time
LMI
LMI: Delivers management, technology, and analytics solutions for federal agencies.
3+ YOEBachelor's degree in a quantitative or related field, active TS/SCI with polygraph, 3+ years data analytics experience, Tableau and Python or R proficiency, strong communication and analytical skills.
Tableau, Python, R
1w
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Data Engineer
Chantilly, Virginia, United States
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
2+ YOE2+ years building data pipelines and ETL using Java, Python, SQL, or Scala; experience with PostgreSQL or Kafka, AWS, containerized ML/data pipelines, and Bachelor’s degree; Top Secret clearance required.
Java, Python, SQL, Scala, PostgreSQL, Kafka, AWS, Kafka Connect, Kafka Streams, NiFi, Terraform, Ansible
1mo
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Data Engineer
Chantilly, Virginia, United States
OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
Bachelor's in a quantitative field, experience in data science/analytics, proficiency in Python/R/Java and data libraries, containerization and CI/CD experience, infrastructure-as-code (Terraform/Ansible), and active Top Secret/SCI with Polygraph.
Python, R, Java, Pandas, NumPy, SciPy, RESTful APIs, Terraform, Ansible, Docker, Kubernetes, TensorFlow, PyTorch, Scikit-learn, Hadoop, Spark, STK, AWS GovCloud, SDLC, CI/CD, Test-driven development, DevSecOps
2w
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Data Scientist
Chantilly, 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+ YOE2+ years in data exploration, modeling, visualization, and programming; TS/SCI with polygraph required; bachelor\u0002s degree required; EMR/Excel familiarity and strong communication skills.
R, Python, SQL, NoSQL, Databricks, MapReduce, Hadoop, Hive, EMR, Kafka, Apache Spark, Gurobi, MySQL, Plotly, Seaborn, ggplot2
1mo
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ASSOCIATE, DATA ENGINEER
Chicago or Atlanta or Dallas or Reston or San Francisco
$85k-$110k/yr OnsiteFull Time
Cresset
Cresset: Cresset provides personalized wealth management and family office services.
1+ YOEBachelor's degree in CS/engineering, 1+ years data engineering experience, Snowflake and SQL experience, familiarity with APIs, strong analytical and communication skills.
AWS, Matillion, DBT, Databricks, Snowflake, SQL, Python, Model Context Protocol (MCP)
3mo
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Junior Logistics Specialist
Arcola, Virginia, United States
OnsiteFull Time
Northstrat
Northstrat: Provides IT and engineering solutions for US government agencies.
3+ YOEHigh school diploma; 3+ years logistics experience; shipping, warehouse, inventory, ITAR compliance; forklift operation; cross-functional collaboration; data-driven decision making; attention to detail.
A2B, Jira, Confluence, Microsoft Office
2mo
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Data Scientist I
Chantilly, Virginia, United States
$83k-$129k/yr OnsiteFull Time
Noblis
Noblis: Nonprofit science, technology, and strategy firm supporting government missions.
0+ YOEBachelor's in a quantitative field; 0-6 years of related experience; US Citizenship; TS/SCI with CI Polygraph; Python/R; ML and analytics; data visualization tools.
Python, R, SQL, Tableau, Power BI, Plotly, Matplotlib
4w
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Data Scientist (Job#726)
Fort Detrick, Maryland, United States
OnsiteFull Time
Defense Acquisition Support Services
Defense Acquisition Support Services: Provides systems engineering and technical assistance to defense agencies.
2+ YOEActive Secret clearance,2+ years BI/data analytics experience,advanced Microsoft Power BI (DAX,Power Query,Dataflows),Power Automate,Microsoft 365 (SharePoint,Teams,Excel),strong presentation and stakeholder skills.
Microsoft Power BI, DAX, Power Query, Dataflows, Power Automate, Microsoft 365, SharePoint, Teams, Microsoft Excel, Palantir Foundry, Microsoft Power Apps, AI tools
1w
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Data Scientist
Washington or Frederick
$82k-$172k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
2+ YOETS/SCI with polygraph required. Bachelor's+5yrs or Master's+2yrs (or equivalent experience). Experience with Python, SQL, ML, NLP, EMR, AWS; ability to produce reports and dashboards.
Python, SQL, Tableau, TF-IDF, FastText, Terraform, Ansible, Amazon Web Services (AWS)
4w
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Data Scientist
Chantilly, Virginia, United States
OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
2+ YOEActive TS/SCI with Polygraph required; BS +2 years (or MS with 0 years); strong software architecture and ML knowledge, experience with ontologies, dataset generation, model evaluation, responsible AI, Agile (Scrum/SAFe), cloud architectures, and MS Office.
AI/ML, Scrum, SAFe, Microsoft Office
18h
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Data Scientist
Ashburn, Virginia, United States
$83k-$140k/yr HybridFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
0+ YOEExperience developing ML models, advanced analytics, SQL and programming in R/Python/Scala/Java; ability to extract/clean/transform large datasets and apply supervised/unsupervised methods.
R, Python, Scala, Java, SQL, SAS, SPSS Modeler, WEKA, Periscope, Business Objects, D3, Tableau, SAS Visual Analytics, PowerBI, Hadoop, HIVE, HDFS, HBase, MapReduce, Spark, Kafka, Sqoop
4d
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Operations Data Analyst (442)
Clarksburg, Maryland, United States
$83k-$107k/yr HybridFull Time
Thales Defense & Security, Inc.
Thales Defense & Security, Inc.Euronext Paris: HO: Develops and manufactures defense, security, and communication technology systems.
2+ YOEBachelor's degree in related field, 2-4+ years data analyst experience (operations/manufacturing preferred), proficiency with SQL, Microsoft Excel, Python or R, BI tools (SAC, Power BI, Tableau), and strong communication skills.
SQL, Microsoft Excel, Python, R, SAP, SAP Analytics Cloud (SAC), Salesforce, Windchill, Power BI, Tableau
2mo
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Data Science Intern - Chantilly, VA
Chantilly, Virginia, United States
$30-$38/hr OnsiteInternship
ICR
ICR: Provides data science and analytics services.
Pursuing degree in Mathematics, Statistics, Data Science, Computer Science, or closely related field; proficient in Python; experience with noSQL databases; data visualization; ML concepts; strong analytical skills; able to learn quickly; self-motivated with minimal supervision.
Python, Elasticsearch, MongoDB, Kibana, Matplotlib, MatLab, R
3w
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Cyber Risk Data Engineer/Analyst
Arlington or Washington or Pentagon or Springfield or Chantilly or Tysons Corner
$70k-$115k/yr HybridFull Time
Technomics
Technomics: Provides cost analysis and decision support services for government.
1+ YOE1–3 years in cybersecurity, data analysis, or IT risk; familiarity with NIST/RMF/MITRE ATT&CK; experience with data organization, tagging, metadata, and visualization; strong written/verbal communication.
MITRE ATT&CK, CVE, NVD, CISA KEV, Microsoft Excel, Power BI, Tableau, Python, SQL