786 data developer jobs at 260 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
1mo
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Data Engineer
Reston or Chantilly
OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
5+ YOEDesign, develop, and maintain data solutions; automate and optimize data products; perform statistical analysis; combine diverse data sources; write production-quality code. Requires BS in STEM and 5+ years relevant experience.
Python, Microsoft Excel, AWS
4w
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Data Engineer
Herndon, Virginia, United States
OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
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
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Data Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Closure Technologies
Closure Technologies: Data-focused technology delivering large-scale data solutions.
2+ YOE2+ years software development; Python/Java; strong SQL; Big Data ingestion/ETL; REST APIs; Airflow; Linux; JDK/J2EE/Spring.
Python, Java, SQL, Apache Airflow, REST, Linux, JDK, J2EE, EJB, JDBC, Spring
2w
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Data Engineer
Herndon, Virginia, United States
HybridFull Time
Unissant
Unissant: Delivers data analytics and cybersecurity services to government agencies.
4+ YOE4+ years data engineering experience; strong Python and SQL; ETL/ELT pipeline development; cloud familiarity; Bachelor's degree required; ability to obtain Secret clearance; relevant certifications preferred.
Python, SQL
2mo
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Data Engineer
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
Architect, develop, and optimize scalable data pipelines; TS/SCI with polygraph; BS in CS/Engineering; AWS RDS/Aurora; NiFi, Python, Scala; SQL, PostgreSQL, Kafka; Kubernetes/ArgoCD; monitoring tools.
NiFi, Python, Scala, SQL, PostgreSQL, Kafka, Kafka Connect, Kafka Streams, AWS RDS, Aurora, Kubernetes, Helm, ArgoCD, Grafana, Prometheus, Elasticsearch
3mo
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Data Engineer
Herndon, Virginia, United States
OnsiteFull Time
KDA Consulting
KDA Consulting: Provides IT engineering and cloud services for intelligence missions.
Active TS/SCI with polygraph; bachelor's in CS/engineering; experience in data engineering, AWS data services, SQL, Python; large-scale data and analytics.
AWS, SQL, Python, S3, Glue, Redshift, Lambda, EMR, Kinesis
1d
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Data Engineer
Sterling or Aurora
$105k-$135k/yr HybridFull Time
Schnabel
Schnabel: Nationwide design-build contractor for geostructural and specialty foundation solutions.
5+ YOE5+ years data engineering experience with Azure data services, ETL/ELT, strong SQL, data modeling, Microsoft Fabric and Power BI experience, and stakeholder collaboration skills.
Microsoft Azure, Microsoft Fabric, Azure Data Factory, Power BI, SQL, HCSS, Sage, CRM
1w
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Data Engineer
Chantilly, Virginia, United States
OnsiteFull Time
NS2 Mission
NS2 Mission: Delivers secure data management and analytics for national security.
3+ YOE3+ years data engineering experience, strong Python and SQL skills, ETL and data integration experience, familiarity with Palantir and cloud/big-data tools, strong analytic and communication skills.
Python, SQL, Palantir, Apache Spark, Hadoop, AWS, Azure, GCP, Apache Airflow, Prefect
3w
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Data Engineer
Herndon, Virginia, United States
OnsiteFull Time
Bridge Core
Bridge Core: Provides technical services and cybersecurity solutions to government agencies.
11+ YOE11+ years experience; Bachelor's/Master's in IT or Engineering preferred; experience integrating diverse data streams, NiFi/Cribl, Splunk familiarity, Python, data modeling, ETL, and managing/troubleshooting data feeds.
NiFi, Cribl, Splunk, Python, ShellScript, Ansible, AWS, Microsoft Azure
1mo
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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.
3+ YOE3+ years designing cloud-native data platforms in AWS, 2+ years designing data lakes/warehouses and cloud migrations, experience building data pipelines, supporting AI/ML and BI, non-relational DBs, software for processing data, team lead experience, TS/SCI with polygraph, Bachelor's in CS.
Amazon Web Services (AWS), PySpark, Spark, Databricks, EMR, GitHub, Python, SQL
3mo
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Data Engineer
Reston, Virginia, United States
HybridFull Time
SZNS Solutions
SZNS Solutions: Provides specialized Google Cloud engineering and AI consulting services.
5+ YOEBachelor’s in CS/Engineering or equivalent; 5+ years data engineering in cloud; SQL and Python/Rust/Java; data pipelines (Kafka, Flink, Beam, Spark); data stores for AI; Google Cloud certs; US citizen.
Python, SQL, Kafka, Flink, Beam, Spark, Airflow, Google Cloud Platform, BigQuery, Dataflow, Pub/Sub, Cloud Composer, PostgreSQL, Firestore, MongoDB, Neo4j
2w
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Data Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Fantom Corporation
Fantom Corporation: Provides specialized IT, engineering, and cybersecurity services for federal agencies.
3+ YOEMust be fully cleared with a recent polygraph and work fully onsite. Requires 3+ years data engineering experience, strong Python and advanced SQL skills, ETL/Palantir experience, API and data integration experience, and data quality/monitoring knowledge.
Python, SQL, Palantir, Palantir Foundry, AWS, Microsoft Azure, Google Cloud Platform (GCP), Apache Spark, Hadoop, Apache Airflow, Prefect
1mo
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DS Data Engineer
Chantilly or Chantilly
OnsiteFull Time
Probity
Probity: Provides IT, cybersecurity, and engineering services to government agencies.
2+ YOEHigh School Diploma or GED with 2+ years in software development; strong SQL/DB; Python/Java; Big Data; REST APIs; ETL; Linux.
Python, Java, SQL, JDK, J2EE, EJB, JDBC, Spring, REST APIs, Apache Airflow, ETL, Linux
3mo
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Data Engineer
Chantilly or Herndon or McLean
OnsiteFull Time
VTG
VTG: Provides engineering and digital modernization solutions for national security.
5+ YOEActive TS/SCI with Polygraph; 5+ years in data engineering; BS in CS/Software Eng or related field; strong SQL and cloud data platforms.
SQL, PostgreSQL, MySQL, SQL Server, Apache Spark, Hadoop, Airflow, Informatica, AWS, Azure, GCP, Python, Scala, Java, Snowflake, Redshift, BigQuery, data modeling, star schema, snowflake schema
2w
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Data Engineer
Hanover or Chantilly
OnsiteFull Time
AnaVation
AnaVation: Providing technical engineering and cybersecurity solutions for federal agencies.
3+ YOETop Secret clearance, Bachelor’s degree, 3+ years data engineering experience, IAT II (CompTIA Security+), ServiceNow data integration experience, proficiency with SQL and Python, REST/SOAP APIs, and Linux; federal experience preferred.
ServiceNow, SQL, Python, REST, SOAP, Linux, Microsoft Azure, AWS, IntegrationHub, Flow Designer, Import Sets, Transform Maps, CMDB, CSDM
3mo
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Palantir Data Engineer
Chantilly, Virginia, United States
$96k-$192k/yr OnsiteFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
4+ YOE4-7+ years in Python, Palantir Foundry/Pipeline/Workshop, TypeScript; ETL development; cloud/on‑prem data processing; data engineering tooling.
Palantir Foundry, Palantir Pipeline Builder, Palantir Workshop, Python, TypeScript, SQL, Spark, ElasticSearch, NiFi
2mo
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Data Engineer
Chantilly, Virginia, United States
OnsiteFull Time
GRVTY
GRVTY: Develops defense technology, cyber, and intelligence software solutions.
Active TS/SCI with Polygraph; strong SQL, Python, PySpark; AWS; Linux; ETL; data ingestion/transform; quick learner; good communicator.
SQL, Python, PySpark, AWS, Linux, APIs, Geospatial tools, ETL
3mo
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Data Engineer
Chantilly or Herndon or McLean
OnsiteFull Time
VTG
VTG: Provides force modernization and digital transformation for defense agencies.
5+ YOE5+ years in data engineering; TS/SCI with Poly; BS in CS or related; SQL, Spark, ETL/ELT; cloud platforms; Python/Scala/Java.
SQL, PostgreSQL, MySQL, SQL Server, Spark, Hadoop, Apache Airflow, Informatica, AWS, Azure, GCP, Python, Scala, Java, Snowflake, Redshift, BigQuery
2mo
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Data Engineer
Leesburg, Virginia, United States
OnsiteFull Time
Anika Systems
Anika Systems: Provides technology solutions and consulting for federal agencies.
5+ YOE5+ years in data engineering; strong ETL/ELT, AWS, Iceberg, XBRL; SQL and Python; CI/CD; U.S. citizenship with potential federal clearance.
AWS, Apache Iceberg, XBRL, SQL, Python, GitHub Actions, Jenkins, Airflow, Lambda, Redshift
1mo
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Data Engineer
Sterling, Virginia, United States
OnsiteFull Time
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
6+ YOE6+ MgmtBachelor's in CS/Statistics/Data Science; 6+ years consulting leading delivery teams; 5+ years in AI environment and architecture; experience in SDLC and client deliverables.
AWS, Azure, Google Cloud, Python, SQL, Machine Learning, Data Modeling