2mo
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Principal Data Engineer – Mission Data Pipelines
Reston, Virginia, United States
$200k-$275k/yr HybridFull Time
9+ YOE9+ years experience with a CS/engineering/IT field; 7+ with a Master’s or 4+ with a PhD; 7+ in DoD/IC environments; strong data pipelines/ETL; JSON/XML/CSV; TS/SCI/SAP access with polygraph.
Apache NiFi, Apache Airflow, Python, Pandas, NumPy, REST
2w
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Principal Data Engineer, People Data
Bellevue or Chicago or San Francisco or Washington
$197k-$271k/yr HybridFull Time
10+ YOE10+ years data engineering experience; expert SQL, ETL/ELT, MPP databases, AWS services; HR/People data experience; experience with batch and realtime pipelines, lakehouse architectures, and data quality frameworks.
SQL, Airflow, dbt, Snowflake, Redshift, Amazon S3, AWS Lambda, EMR, ECR, EKS, Workday, Spark, Kafka, Databricks, Iceberg, Delta
2mo
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Principal Data Engineering - Remote
Minneapolis or Washington
$113k-$193k/yr RemoteFull Time
8+ YOESenior data engineer designing and building cloud-based data platforms and pipelines; 8+ years of experience; hands-on with cloud platforms; SQL/Python; ETL/ELT; data warehousing; CI/CD; security/compliance.
GCP, AWS, Azure, Databricks, Snowflake, Terraform, DBT, Great Expectations, Cloud Storage
2mo
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Principal Consultant, Data Engineer
Arlington or Chicago or Remote
$150k-$170k/yr RemoteFull Time
3+ YOE5+ years data engineering, ETL, data warehousing; SAP data experience; Databricks; cloud (AWS/Azure); client-facing; strong communication.
Databricks, AWS, Azure, ETL, ELT, SAP, S/4HANA, SAP HANA
4d
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Senior Principal, Data Center Engineering
Denver or Alexandria or Mercer Island
$175k-$215k/yr OnsiteFull Time
10+ YOEBachelor's in engineering/architecture,10+ years engineering experience with 8+ in hyperscale data center design,PE preferred,experience leading multi-site projects,strong communication and technical synthesis skills.
AWS, Microsoft Azure, Google Cloud, Oracle Cloud, Meta
2mo
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Principal Software/Data Engineer
Laurel, Maryland, United States
OnsiteFull Time
19+ YOEExtensive software engineering experience; TS/SCI with polygraph; cloud infrastructure experience; strong Linux and Python; IT management understanding.
OpenStack, Linux, Python, Cloud infrastructure, COTS, GOTS
2mo
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Principal Software Engineer
Washington, District of Columbia, United States
$152k-$229k/yr RemoteFull Time
5+ YOE5+ years in data/backend/platform engineering; strong Python; cloud infra; Kafka/RabbitMQ; SQL/NoSQL; CI/CD; IaC; data pipelines; security data domain interest.
Python, Go, Rust, Cloud infrastructure, Kafka, RabbitMQ, PostgreSQL, MongoDB, Elasticsearch, Delta Lake, AWS Neptune, Neo4j, Flask, Django, FastAPI, CI/CD, GitHub Actions, Terraform, Infrastructure as Code
1mo
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Data Center BESS Principal Engineer
Arlington or Alpharetta or Houston
HybridFull Time
10+ YOESenior electrical/mechanical engineer with 10+ years in energy storage or electrical infrastructure, master's in electrical engineering required, PE preferred, proven track record closing complex B2B transactions, expertise in data center power, controls, modeling (PSCAD, EMT/RMS), and strong communication skills.
PSCAD, EMT/RMS
1mo
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Senior Principal, Data Engineering
Arlington or O'Fallon
$212k-$390k/yr OnsiteFull Time
Design, build, and operate enterprise-scale cloud-native data platforms across AWS and Azure; hands-on Spark/PySpark and Python experience; Infrastructure-as-Code and CI/CD; strong cloud security and data governance expertise.
AWS S3, Amazon EC2, AWS Lambda, AWS Glue, Amazon Redshift, Amazon EMR, Amazon Athena, AWS Lake Formation, Databricks, Azure Data Factory, Azure Synapse, Azure Fabric, Azure Data Lake, Terraform, CloudFormation, Bicep/ARM, Azure DevOps, GitLab CI/CD, Spark, PySpark, Python, Bash, PowerShell, Docker, Kubernetes, ECS, AKS, CloudWatch, Azure Monitor, ELK, Grafana
1mo
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Principal Data Engineer, Operations Manager II (NCS) - Mayor's Office of Performance and Innovation
Baltimore, Maryland, United States
$107k-$177k/yr OnsiteFull Time
7+ YOEBachelor's in CS/Data Science/Information Systems (or equivalent), 7+ years data engineering experience, proficiency with Python, PostgreSQL, ETL/ELT, data modeling, and collaborative engineering practices.
Python, Pandas, Polars, SQLAlchemy, requests, PostgreSQL, SQL, GitHub, ETL/ELT, CI/CD
2w
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Principal Marketing Data Ops Engineer II
Bethesda or Getzville or New York City or Beachwood or Indianapolis or Tucson or Tampa or Chicago or Fredericksburg or Melville
HybridFull Time
7+ YOE7+ years building data pipelines in Python/Scala, 7+ years SQL with enterprise warehouses, 5+ years ETL/ELT and cloud infrastructure experience (Azure/AWS/GCP); BA/BS preferred.
Python, Scala, SQL, Snowflake, Databricks, Azure, AWS, GCP, Azure Data Factory, Microsoft Dynamics, Statsig, REST API
3w
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Principal Data Scientist
Annapolis Junction, Maryland, United States
$150k-$210k/yr OnsiteFull Time
8+ YOEActive TS/SCI with polygraph, Bachelor\u0002s degree with 8+ years (advanced degree may substitute), proficiency in Python, Docker, Kubernetes, ML and defensive cyber ops experience, strong Linux and data engineering skills.
Python, Docker, Kubernetes, R, SQL, NoSQL, graph, vector databases, Jupyter Notebooks, Linux, Ubuntu, CentOS, RHEL, AWS, Cisco (CCNA), Big Data Platform (BDP), STIGs, IAVA, Network Analysis Tools
2d
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Sr Principal Quality Engineer - Data Analytics
Linthicum, Maryland, United States
$123k-$185k/yr OnsiteFull Time
4+ YOESTEM degree with 4+ years experience (varies by degree), experience analyzing large datasets, building dashboards, statistical analysis, Power BI/Tableau, Microsoft Excel, strong communication and critical thinking.
Power BI, Tableau, Microsoft Excel, SQL
2w
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Data Scientist, Principal
Oakland or Washington or Ohio or District of Columbia or California or Long Beach or Arizona or Colorado or Connecticut or Florida or Georgia or Maryland or Minnesota or Nevada or Oregon or El Dorado Hills or San Diego or Woodland Hills or Alabama or Illinois or Virginia or Wisconsin or Texas or New York
$182k-$273k/yr HybridFull Time
8+ YOEAdvanced experience in applied AI/ML and software development, strong Python engineering, hands-on with deep learning and LLM frameworks, experience building production AI applications and leading ML design.
Python, PyTorch, TensorFlow, LangChain, LangGraph, SQL, Spark, Azure, Google Cloud, AWS
2mo
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Principal Cybersecurity Engineer
Reston, Virginia, United States
$185k-$277k/yr HybridFull Time
9+ YOE9+ years in building GRC platforms; proficient in Python/Go/Java; strong SDLC governance; architecture, data models, API design; leads technical roadmaps; experience automating risk data.
Python, Go, Java, Git, APIs, ETL, Data Modeling, NIST, FAIR
3w
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Principal Knowledge & Data Architect
Chevy Chase, Maryland, United States
$175k-$284k/yr HybridFull Time
8+ YOEBachelor's degree or equivalent, 8+ years in data engineering/IR/applied ML with 3+ years in production knowledge management; production RAG, knowledge graphs, entity resolution, Python, SQL, vector DBs, and data modeling experience.
Python, SQL, Postgres, pgvector, Pinecone, Weaviate, Qdrant, Neo4j, AWS Neptune, JanusGraph, TigerGraph, Stardog, Cypher, SPARQL, Gremlin, Databricks, dbt, RDFS, OWL, SKOS
2mo
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Principal Software Engineer
Annapolis Junction, Maryland, United States
$200k-$280k/yr OnsiteFull Time
20+ YOETS/SCI with Polygraph clearance; 20 years SWE experience; US citizenship; strong communication; data analytics and leadership.
Java, Python, NiFi, DataXplorer, GMAE, Pig, MapReduce, Spark, Hadoop, Scala
3w
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Principal Systems Engineer - Digital Engineering & Advanced Tools
Reston, Virginia, United States
HybridFull Time
10+ YOEBachelor's in a technical discipline,10+ years systems engineering/digital engineering experience,cloud and software integration expertise,API and data architecture experience,AI/ML and automation familiarity.
AWS, Microsoft Azure, Google Cloud Platform, RESTful APIs, MBSE, DevSecOps, CI/CD, containerization, orchestration, RPA
1mo
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Principal Data Scientist (Germantown, MD, US, 20876)
Germantown, Maryland, United States
$134k-$181k/yr OnsiteFull Time
12+ YOEMaster's degree in physical science or engineering (PhD preferred), minimum 12 years' experience, deep Python and applied ML/statistics expertise, US citizenship, and active or obtainable DoD security clearance.
Python, MATLAB, Airflow, Spark, SQL, Databricks, Microsoft Azure
2w
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Principal Service Engineer (Onsite)
Camp Springs, Maryland, United States
$108k-$205k/yr OnsiteFull Time
8+ YOEActive Secret DoD clearance, U.S. citizenship, STEM degree typically required, minimum 8 years relevant experience, expertise with Tactical Data Link/Link-16, RF bands, crypto-loading, TRAX/ATRAX/WINTAK/ATAK, STT/PRC-161, and Microsoft Excel/Visio/Access.
TRAX, ATRAX, WINTAK, ATAK, Small Tactical Terminal (STT), PRC-161 BATS D, Link-16, Microsoft Excel, Microsoft Visio, Microsoft Access Database
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