456 data validator jobs at 277 companies in College Park, MD
4w
Save
Mark Applied
Hide
Verification & Validation Data Scientist
Alexandria, Virginia, United States
$110k-$135k/yr HybridFull Time
7+ YOEBachelor's (or equivalent) required, Master's preferred; 7+ years in data science/model validation; strong applied statistics, evaluation design, and experience validating models against ground-truth data.
LLMs, AI
1mo
Save
Mark Applied
Hide
Data Engineer
Herndon, Virginia, United States
OnsiteFull Time
5+ YOE5+ years software development with Python, experience building/maintaining data pipelines and ETL, Git/GitHub, Bash/Linux, common data formats, data validation and quality controls, and active TS/SCI with Poly required.
Python, Git, GitHub, JSON, XML, CSV, Bash, Linux, Elasticsearch, Kibana, AWS Lambda, EC2, S3
1mo
Save
Mark Applied
Hide
Data Engineer
Washington, D.C. or Maryland or Virginia
$110k-$166k/yr HybridFull Time
5+ YOEBachelor's in CS (or related), 5+ years data engineering, strong Python (pandas, pandera), SQL/Postgres, Databricks, Spark, experience with messy/disparate data, schema design and data validation, working with large workflows, active Secret Clearance.
Python, pandas, pandera, SQL, Postgres, Databricks, Spark
2mo
Save
Mark Applied
Hide
Data Analyst
Falls Church, Virginia, United States
$41-$52/hr OnsitePart Time, Contract
3+ YOEBachelor's in a related field, 3+ years applied analysis experience, U.S. citizenship and federal contractor eligibility, ability to obtain DOD Secret clearance, experience building data pipelines, dashboards, data validation, and federal procurement data familiarity.
Federal Procurement Data Systems (FPDS), System for Award Management (SAM), USAspending.gov, Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Power BI, Tableau
1mo
Save
Mark Applied
Hide
STINGRAI Data Scientist (Data Scientist 2) - 29227
Washington, District of Columbia, United States
$95k-$175k/yr OnsiteFull Time
2+ YOEExperience harvesting, validating, structuring, and integrating diverse data sources; data‑quality and confidence methods; statistical/ML techniques; data schema and integration; trend and vulnerability analysis; Top-Secret clearance required.
3w
Save
Mark Applied
Hide
Data Engineer II
Arlington, Virginia, United States
HybridContract
Hands-on experience with Apache Spark, Hadoop, Python, and SQL; building scalable ETL pipelines and validating data quality in large data environments.
Apache Spark (PySpark, Spark SQL, Spark Streaming), Hadoop, HDFS, Ozone, Hive, YARN, Python, SQL, Glider \u00096 Data Engineering (Advanced)
2mo
Save
Mark Applied
Hide
Data Engineer / Data Project Lead, Head Start - Remote
Reston or United States
$81k-$139k/yr RemoteFull Time
10+ YOE3+ MgmtLead data engineering projects; supervise staff; design data pipelines; ensure security and compliance; 10+ years data experience; government security clearance; valid driver's license.
SQL, Python, APIs, ETL, Cloud platforms (AWS, Azure), Smartsheet
1mo
Save
Mark Applied
Hide
Enterprise Data Engineer
Herndon, Virginia, United States
OnsiteFull Time
3+ YOEActive Poly clearance required. 3+ years data engineering experience with Python and SQL, ETL/Palantir experience, data integration from APIs/databases/files, data quality/validation expertise, and strong communication skills.
Python, SQL, Palantir, AWS, Azure, GCP, Apache Spark, Hadoop, Apache Airflow, Prefect
1mo
Save
Mark Applied
Hide
Data Scientist
Arlington or Raleigh or Charlottesville
HybridFull Time
3+ YOE3+ years data science experience, BS in related field, high proficiency in Python and/or R, strong SQL and Git skills, machine learning and model validation experience, and strong communication and consulting ability.
Python, R, SQL, Git, CRISP-DM
1w
Save
Mark Applied
Hide
Data Organizer
Washington, District of Columbia, United States
$76k-$85k/yr RemoteFull Time
3+ YOE3+ years in union or campaign data management, advanced Excel/Google Sheets, Microsoft Office, CRM experience, bachelor\u0002s or equivalent, valid driver\u0002s license, willingness to travel and work irregular hours.
Microsoft Office, Microsoft Excel, Google Sheets, Salesforce, Action Builder, BroadStripes
1mo
Save
Mark Applied
Hide
Data Analyst
Alexandria, Virginia, United States
OnsiteFull Time
High school diploma/GED, Top Secret clearance, valid driver's license and personally owned vehicle; ability to analyze documents, perform data and metadata entry, use MS Office and scanning software, work shiftwork, and produce accurate work under pressure.
Microsoft Word, Microsoft Excel, Microsoft Access, Microsoft PowerPoint, Microsoft Outlook, scanning software
6d
Save
Mark Applied
Hide
Senior Manager Data Analysis-Card Alternative Data
McLean or New York City
$201k-$250k/yr OnsiteFull Time
5+ YOE2+ MgmtRequires quantitative degree plus extensive data analytics experience (5+ years professional analytics, 2+ years people management); experience validating analytical tools and leading open-source data technology work.
15h
Save
Mark Applied
Hide
Data Engineer (Wizards)
Washington, District of Columbia, United States
$130k-$150k/yr OnsiteFull Time
3+ YOE3+ years software development experience; advanced Python and SQL; experience with Prefect and dbt; familiarity with backend frameworks, cloud platforms, data validation, and working with large datasets.
Prefect, dbt, Python, SQL, Rails, Django, Next.js, AWS, GCP, Microsoft Azure, Git
1mo
Save
Mark Applied
Hide
Data Visualization Specialist
Edgewood or Belcamp
$62k-$141k/yr OnsiteFull Time
2+ YOE2+ years building or troubleshooting data visualizations/dashboards, 2+ years with SQL and relational databases, experience integrating/validating data and performing data quality checks, documentation skills, ability to obtain Secret clearance, bachelor’s degree.
Qlik, SQL, Microsoft SharePoint, Microsoft Power Apps, Army 365, Vantage, Microsoft Power BI, Tableau, JMAP, JACKS
1w
Save
Mark Applied
Hide
Data Scientist - Mid
Springfield, Virginia, United States
$100k-$129k/yr OnsiteFull Time
Active TS/SCI clearance with CI Poly ability, statistical analysis of survey/operational datasets, data integration and validation, tool/database development, Microsoft Windows proficiency, strong communication and stakeholder engagement.
Microsoft Windows
1mo
Save
Mark Applied
Hide
BI Data Analyst
Bethesda, Maryland, United States
OnsiteFull Time
3+ YOE3+ years BI/data analysis experience, strong Power BI and Microsoft SQL Server skills, familiarity with Microsoft Fabric, dimensional modeling, data validation, and stakeholder-facing reporting.
Power BI, paginated reports, Microsoft SQL Server, Microsoft Fabric, Power BI Report Builder, SSRS, SSIS, Azure Data Factory, DAX, T-SQL, Python, R
4d
Save
Mark Applied
Hide
Data Analyst III
Fairfax, Virginia, United States
$89k-$155k/yr OnsiteFull Time
5+ YOEBachelor's degree in IT or related field plus 5+ years data analysis/warehouse experience; experience with ETL, data modeling, cloud warehouses, GDPR/HIPAA compliance, and relational databases; valid driver's license required.
Oracle, DB2, Apache Airflow, Azure Data Factory, FME Form, Spark, Hadoop, SQL Server, PostgreSQL, Snowflake, AWS Redshift, Azure Synapse, Google BigQuery, XML
4w
Save
Mark Applied
Hide
Data Validation Risk - Director
New York City or Atlanta or Charlotte or Chicago or Washington or Boston or Florham Park or Dallas or Philadelphia
$155k-$410k/yr OnsiteFull Time
8+ YOEBachelor's degree, at least 8 years' experience, expertise in data validation, analytics, visualization, and client leadership; familiarity with databases, cloud platforms, and ML tools preferred.
Alteryx, Python, Power BI, Tableau, Databricks, MS SQL, AWS, Azure, GCP, SAS
3w
Save
Mark Applied
Hide
Senior Data Engineer (Secret Cleared)
Arlington, Virginia, United States
$71k-$172k/yr OnsiteFull Time
5+ YOEActive Secret clearance, 5+ years data engineering with ETL/ELT, strong Python and SQL, Azure/Databricks experience, data validation and pipeline optimization, and ability to lead technical workstreams.
Microsoft Azure, Databricks, Python, SQL, Apache Spark, Delta Lake, Azure Data Factory, Azure Synapse, ADLS, CI/CD, RESTful
1w
Save
Mark Applied
Hide
Kearney Activate - Data Scientist
Washington or Arlington or Boston
$90k-$130k/yr OnsiteFull Time
0+ YOEHands-on data science across the CRISP-DM lifecycle with strong SQL and Python skills; statistical modeling, EDA, model validation, client communication, and ability to obtain U.S. Secret clearance.
SQL, Python, pytest, RTF, Git, AWS, Azure, Google Cloud, LLM