17 principal data engineer jobs at 12 companies in Winchester, VA
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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
1w
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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)
2w
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Principal Data Scientist
Germantown, Maryland, United States
$134k-$181k/yr OnsiteFull Time
12+ YOEMaster’s in physical science or engineering required, PhD preferred; 12+ years’ experience; expert Python, statistics, analytics, machine learning, data quality, and classifier evaluation; U.S. citizenship and active or obtainable DOD clearance.
Python, MATLAB, Airflow, Spark, SQL, Databricks, Azure
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
2mo
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Principal Software Development Engineer
Reston, Virginia, United States
$185k-$277k/yr HybridFull Time
9+ YOE9+ years in software engineering; Python/Go/Java; SDLC mastery; architecture and data modeling; security risk automation; leading roadmaps and mentoring.
Python, Go, Java, Git, APIs, Data pipelines, ETL/ELT, SRS, PoCs
1mo
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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 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
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/EMSO signal processing algorithms; strong DSP fundamentals; hands-on experience moving algorithms into software; programming in Python, MATLAB, C/C++; experience with real-world sensor data.
Python, MATLAB, C/C++, CUDA, cuSignal, CuPy, OpenCL
17h
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Principal Platform Engineer - Azure Data & AI Platform Engineer
Vienna or Pensacola or Winchester
$132k-$206k/yr HybridFull Time
Experience with Azure Data PaaS, Azure security and governance, cost optimization, capacity planning, IaC, and full-life-cycle IT initiatives; bachelor's degree or equivalent desired.
Microsoft Azure, Azure SQL, Synapse, Data Factory, Databricks, ADLS Gen2, Azure Policy, RBAC, Private Endpoints, Key Vault, Azure Pipelines, terraform, Azure AI Foundry, AI Projects, Infrastructure as Code (IaC)
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 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
1mo
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Principal Database Administrator
Reston or Seattle
$85k-$210k/yr OnsiteFull Time
5+ YOEExpertise with Oracle Database, RMAN, RAC, Data Guard, Exadata, Linux and Bash; 5+ years automation/programming experience; strong SQL/PLSQL and troubleshooting skills. Must be U.S. citizen with active TS/SCI w/poly; willing to work shifts and weekends.
Oracle Database, RMAN, Oracle RAC, Data Guard, Exadata, Linux, RHEL, Oracle Linux, Bash, top, vmstat, iostat, SQL, PL/SQL, AWR, ASH, Python, Perl, Unix Shell, Rust
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.
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