270 software data jobs at 125 companies in Winchester, VA

1mo
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Data & Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Avalore
Avalore: Provides data analytics and engineering for national security.
5+ YOE5+ years building production data pipelines with Python and Spark/PySpark; advanced Python (Pandas, NumPy); Docker/Podman; AWS S3, Lambda, Step functions; Airflow, Apache Iceberg; SQL/Trino, NoSQL/DynamoDB; Terraform/CloudFormation; data lineage and geospatial tools.
Apache Spark, PySpark, Python, Pandas, NumPy, Docker, Podman, AWS S3, Lambda, Step functions, Apache Iceberg, Airflow, SQL, Trino, NoSQL, DynamoDB, Unity Catalog OSS, Apache Polaris, Apache Superset, Terraform, CloudFormation, OpenLineage, H3, PostGIS, MySQL, PostgreSQL, Git, Bash, Java, AI/ML
2d
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Data and Software Programmer
Reston, Virginia, United States
$90k-$140k/yr OnsiteFull Time
Applied Research Associates
Applied Research Associates: Provides scientific research and engineering solutions for complex problems.
5+ YOEBachelor's in software/design/data science, 5+ years relevant programming or research analysis, TS/SCI eligibility, Sec+ (or equivalent), experience with modern programming languages and data analysis.
Javascript, Typescript, Python, Java, C, Git, Bash, ssh, Python notebooks, stream-lit, Model Context Protocol (MCP), Langchain, SQL, graph, vector
4w
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Data Warehouse Software Engineer I
Reston or Somerville or Chagrin Falls or Boston or Cleveland or United States or Australia or Canada or Israel or Japan or United Kingdom
$70k-$80k/yr HybridFull Time
Babel Street
Babel Street: AI-powered identity intelligence and risk operations software solutions.
Foundational SQL, BigQuery, Looker, basic Python and Git, familiarity with Apache Airflow (Cloud Composer), data modeling and BI experience, strong attention to data quality and business analysis skills.
Google Cloud Platform (GCP), BigQuery, Looker, Apache Airflow, Cloud Composer, Python, Git, SQL, Tableau, Microsoft Power BI
2mo
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AI/ML Data Architecture Software Engineer
Manassas, Virginia, United States
OnsiteFull Time
SEACORP
SEACORP: Provides engineering and technology services for naval defense systems.
3+ YOEBachelor's degree in CS/IS/CE; 3 years of relevant experience; strong data warehouse, database, and software development skills; ability to obtain DoD Secret Clearance.
Git, Linux, C++, Java, Python, PostgreSQL, MongoDB, Kafka, Spark, Kubernetes, VS Code
5d
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Software Engineer (Data Engineer)
Herndon, Virginia, United States
OnsiteFull Time
Ardent Principles
Ardent Principles: Provides specialized technology and program management services to government agencies.
Active TS/SCI with Full Scope Polygraph required; proven experience designing and maintaining production data pipelines, SQL optimization, API integrations, Python, cloud data platforms, and data modeling.
Apache Airflow, SQL, JSON, XML, Python, AWS, Azure, GCP, Apache Spark, PySpark, DBT (data build tool), Terraform, CloudFormation, Git, Kafka, Kinesis, Great Expectations, Soda, Monte Carlo, Docker, Kubernetes, ServiceNow, Forward Networks, NetIM, SolarWinds
5d
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Lead Software Engineer (Data)-7999
Reston, Virginia, United States
HybridFull Time
Comcast
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
7+ YOEBachelor's in Computer Science or related and 7 years developing data processing software with Apache Flink; experience designing ETL with Flink, Spark, Kafka, AWS EMR, Azkaban, Airflow; HBase and AWS (S3, EC2, CloudWatch, IAM); Linux CLI and Bash.
Apache Flink, Flink, Spark, Kafka, Apache Kafka, AWS EMR, Azkaban, Airflow, Hbase, S3, EC2, CloudWatch, IAM, Linux Command Line Interface, Bash
2mo
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Sr. Software Engineer (Data Migration & Management)
Chantilly or San Jose or United States
$220k-$265k/yr HybridFull Time
NetApp
NetAppNasdaq: NTAP: Provides intelligent data infrastructure for hybrid cloud environments.
12+ YOE12+ years software development, 5+ years data management/migration, 3+ years cloud-native and SOA experience with a hyper-scaler; proficiency with NFS/SMB/iSCSI, C/C++/Golang/Node.js/Python, Docker, Kubernetes, GitHub, Jenkins, Ansible.
NFS, SMB, iSCSI, C, C++, Golang, Node.js, Python, Docker, Kubernetes, GitHub, Jenkins, Ansible, CI, FAAS, PAAS, Microsoft Azure, AWS, GCP
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
1mo
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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
$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
2mo
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Software Developer - Big Data (Space Domain)
Herndon, Virginia, United States
$135k-$216k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
8+ YOEBachelor’s degree with 8+ years or Master’s with 6+ years of relevant experience; Top Secret clearance with ability to upgrade to TS/SCI; strong Java expertise; experience with data ingestion and big data tools.
Java, Apache NiFi, MongoDB, REST, GraphQL, Kafka, Spark, Hadoop, Docker, Kubernetes, NetCDF, HDF5, CCSDS, Git, CI/CD
2mo
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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
3mo
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Senior Software Engineer (Big Data)
Chantilly, Virginia, United States
OnsiteFull Time
KDA Consulting
KDA Consulting: Provides IT engineering and cloud services for intelligence missions.
TS/SCI clearance with polygraph preferred; BS in CS/Engineering or related field; strong full stack, big data tech, APIs/microservices, and problem-solving skills.
Hadoop, Apache Spark, Kafka, Java, Python, C#, REST APIs, Microservices, Cloud (AWS)
2mo
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Software Engineer
Herndon, Virginia, United States
$130k-$265k/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 software development across data, application, and UI layers; APIs, cloud, and data tooling experience; TS/SCI clearance.
Java, C#/.NET, SQL, JavaScript, HTML, XML, Python, R, Spark, Apache Iceberg, EMR, NiFi, Kubernetes
3mo
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Data Scientist
Chantilly, Virginia, United States
OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
9+ YOEBachelor's with 9+ years, Master's 7+, PhD/JD 4+; 5+ years software engineering with DoD/space architectures; data analytics, ML/AI experience; strong communication and teamwork; MS Office proficiency.
Python, R, SQL, Machine Learning
2mo
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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
5d
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Software Development Engineer II, Amazon Security Data Engineering
Herndon, Virginia, United States
$144k-$194k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
3+ YOE3+ years professional software development and system design experience; bachelor’s in CS/Engineering/Mathematics; proficiency in Java/Scala/Python; experience with distributed systems and big data engines (Iceberg, Spark, Trino, Flink).
Java, Scala, Python, Apache Iceberg, Apache Spark, Trino, Flink, AWS Glue, Parquet, C#, C++, Perl
3mo
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SATCOM Systems Software Specialist
Chantilly, Virginia, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
14+ YOETS/SCI with Poly; 14 yrs experience in mission management software for SATCOM; experience with SATCOM, TT&C, telemetry; data analytics; Bachelor's degree or equivalent experience.
SATCOM, Telemetry, TT&C, Data analysis, Modeling and simulation
4d
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Software Developer
Sterling, Virginia, United States
OnsiteFull Time
ASSYST
ASSYST: An IT firm specializing in digital transformation, DevSecOps, cyber security, and AI integration for government clients.
Master's in Computer Science or related required; expertise in software engineering, AI/ML, data science, deep learning, neural networks, and quality assurance testing; ability to travel to local clients.
1w
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Software/Data Engineer (TS/SCI)
Chantilly, Virginia, United States
$150k-$170k/yr HybridFull Time
Akima
Akima: Provider of mission-focused technical and administrative support for government agencies.
3+ YOEActive Top Secret/SCI clearance with CI polygraph ability, Bachelors in IT, 3+ years Python and SQL experience focused on ETL, proficiency with MySQL/Microsoft SQL Server/PostgreSQL, Docker, Linux, Bash, GIT, and Agile experience.
Python, SQL, MySQL, Microsoft SQL Server, PostgreSQL, GIT, Bash, Docker, Elasticsearch, OpenSearch, RabbitMQ, AWS, Celery, CI/CD, Linux