38 principal data engineer jobs at 19 companies in Thurmont, MD
3mo
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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
3d
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Operations Data Engineer / Principal Operations Data Engineer
Baltimore, Maryland, United States
$96k-$179k/yr OnsiteFull Time
2+ YOESTEM bachelor's degree with 2 years of relevant experience or master's degree; principal level requires 5 years with bachelor's or 3 with master's. SQL, MS Office, U.S. citizenship, and Secret clearance eligibility required.
SAP, Tableau, Palantir, Microsoft SharePoint, SQL, Microsoft Excel, Microsoft Project, Microsoft Visio, Microsoft PowerPoint, JSON, XML, Java, VBA, Python, R, C++, Microsoft Access, ASP.NET, MVC, CSS, HTML, Oracle, Agile
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
2w
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Principal Data Center Facilities Engineer
Ashburn, Virginia, United States
$102k-$210k/yr OnsiteFull Time
3+ YOE3+ years data center or facilities engineering experience; incident management, commissioning, and technical reporting skills; ability to support critical infrastructure and drive operational improvements.
computational fluid dynamics (CFD)
4w
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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
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
1mo
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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
3w
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Principal Systems Engineer
Annapolis Junction, Maryland, United States
$200k-$280k/yr OnsiteFull Time
20+ YOEActive/reinstatable TS/SCI with Polygraph required; U.S. citizenship; ~20 years systems engineering experience (Bachelors required or +5 years experience substitution); expertise with data ingestion, ontologies, XML/JSON/CSV, NiFi, Linux, MySQL/NoSQL, Java, Splunk.
NiFi, Linux, XML, CSV, JSON, MySQL, NoSQL, Java, Splunk
1mo
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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 (or advanced degree in lieu of years) and 8+ years' experience, proficiency in Python, Docker, Kubernetes, ML, defensive cyber operations, and data engineering.
Python, Docker, Kubernetes, SQL, R, AWS, Jupyter Notebooks, Linux, Windows, Big Data Platform (BDP), STIGs, IAVA, Network Analysis Tools, Cisco
1mo
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Principal Systems Engineer - Digital Engineering & Advanced Tools
Reston, Virginia, United States
HybridFull Time
10+ YOE10+ years systems engineering experience designing cloud-native, API-driven, data and automation solutions for commercial, government, or defense environments.
AWS, Microsoft Azure, Google Cloud Platform, RESTful APIs, DevSecOps, CI/CD, containerization, orchestration, Model-Based Systems Engineering (MBSE), 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
2mo
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Principal Signal Processing Engineer
Clarksburg or Arlington or Durham
$230k-$290k/yr OnsiteFull Time
10+ YOE10+ years developing RF/radar signal processing algorithms; strong DSP fundamentals; programming in Python, MATLAB, C/C++; experience moving algorithms to software/hardware and validating with field-collected RF data.
Python, MATLAB, C/C++, CUDA, cuSignal, CuPy, OpenCL, RFSoC, SDR, GPU
1mo
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Principal System Architecture Standards Engineer
Herndon or Littleton
$127k-$182k/yr OnsiteFull Time
10+ YOEMaster’s or Ph.D. in EE/Telecommunications/IT/Data Science, 10+ years in wireless standards (3GPP/GSMA/TM Forum), deep 3GPP SA5/SA6/SA2 knowledge, AI/ML and observability expertise, and standards leadership experience.
3GPP SA5, 3GPP SA6, 3GPP SA2, TM Forum, GSMA, GenAI, LLM, OpenTelemetry, OpenInference, MCP, A2A, LangGraph, CrewAI, Strands, AutoGen, NWDAF, MDAF, Cloud-native Network Functions (CNFs)
2mo
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CloudHQ International - Principal Electrical Engineer, Construction
Frankfurt or London or Paris or Ashburn or Milan or Osaka or São Paulo
FieldFull Time
7+ YOESenior electrical SME for data center projects across Europe with 7+ years' experience; expertise in high-voltage, UPS, switchgear, generators, design/commissioning, EN codes, strong project management and stakeholder skills; 50–70% travel.
Microsoft Project, Smartsheet, AutoCAD, Revit
1mo
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Principal Software Engineer
United States or Vienna or Baltimore
$220k-$372k/yr OnsiteFull Time
12+ YOE12+ years software development experience with expertise in cloud-native, storage and data management; proficiency in NFS/SMB/iSCSI and programming in C/C++/Golang/Node.js/Python.
C, C++, Golang, Node.js, Python, NFS, SMB, iSCSI, Docker, Kubernetes, GitHub, Jenkins, Ansible
1mo
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Principal Software Engineer
Baltimore or Seattle or Vienna or United States or United States
$220k-$372k/yr HybridFull Time
12+ YOE12+ years software development, 5+ years data management/storage experience, 3+ years cloud-native and SOA expertise, proficiency with storage protocols and listed programming tools, strong communication and architectural skills.
C, C++, Golang, Node.js, Python, Docker, Kubernetes, GitHub, Jenkins, Ansible, CI build systems, Automated Testing, NFS, SMB, iSCSI
1mo
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Principal Software Developer - TS/SCI
Herndon or Chantilly
$148k-$267k/yr OnsiteFull Time
10+ YOEBachelor's in EE/CS/CE, active Top Secret/SCI clearance, 10+ years software development experience (8+ in Linux, 6+ with Python and C/C++), strong algorithms/data-structure skills, and Git experience.
Python, C/C++, Linux, Amazon Web Services (AWS), Docker, Kubernetes, PyTorch, TensorFlow, Git, X-Midas, OpenCV, Keras, Qt/PyQt, Android, Gitlab CI/CD, CUDA
2mo
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Principal Solutions Architect
Annapolis Junction or Denver or Reston
$137k-$302k/yr OnsiteFull Time
12+ YOETS/SCI required; 12+ years solution architecture experience with federal contractors; Bachelor's in engineering/computer science; proven capture/proposal leadership on $100M+ pursuits; knowledge of Cloud, Data Analytics, AI/ML, RPA, Agile/Waterfall; Shipley proposal experience.
Cloud, Data Analytics, Artificial Intelligence, Machine Learning, Robotic Process Automation, Agile, Waterfall
3mo
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Principal Space RF Communications Architect
Seattle or Kent or Denver or Los Angeles or Reston
$170k-$237k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
12+ YOE12+ years RF systems/space communications experience; TT&C, crosslink, and data link design; active TS clearance; strong technical communication.
1w
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Principal Associate, International Risk, Strategy & Technology Enablement- Network Risk & Advisory
McLean or New York City or Richmond
$119k-$164k/yr OnsiteFull Time
3+ YOEHigh school diploma or GED; 3+ years in risk management, network engineering, data governance, or project management; 3+ years supporting business clients; 2+ years in reporting, metrics, visualization, or technical documentation.
Jira, Confluence, GenAI, NIST, ISO, GDPR
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