14 principal data engineer jobs at 10 companies in Winchester, CA
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Principal, Data Engineer
Irvine or Dallas
$155k-$195k/yr OnsiteFull Time
7+ YOE7+ years IT experience, bachelor's in CS/Engineering or equivalent, expertise in cloud data platforms, Python/PySpark, data modeling, big data technologies, graph DBs, orchestration tools, and enterprise data architecture.
AWS, Google Cloud Platform (GCP), Python, PySpark, Neo4j, Google Spanner, Hadoop, Spark, Elasticsearch, Google Cloud Dataflow, Apache Beam, Apache Airflow, BMAD, Spec Kit, SQL, NoSQL
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Principal, Data Engineer
Irvine or Dallas
$155k-$195k/yr OnsiteFull Time
7+ YOE7+ years IT experience in data architecture; hands-on GCP, Dataflow, BigQuery, Python/PySpark, Airflow; experience with graph and SQL/NoSQL databases; strong communication and leadership skills.
Google Cloud Platform (GCP), Dataflow, BigQuery, Python, PySpark, Neo4j, Google Spanner, Apache Airflow, AWS, Hadoop, Spark, Elasticsearch, Apache Beam, BMAD, Spec Kit, SQL, NoSQL
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Principal Data Engineer, R&D
Irvine or California or United States
$121k-$171k/yr OnsiteFull Time
6+ YOEBachelor's in engineering/science plus 6+ years data engineering experience; experience with Databricks and Snowflake; data governance and validation experience in regulated environments.
Databricks, Snowflake, GCP, AWS, Apache Spark, Kafka, Flink, Delta Lake, Iceberg, Airflow, dbt, HL7, FHIR, IHE
2mo
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Principal Systems Engineer - Algorithms (ONSITE)
Fullerton, California, United States
$118k-$225k/yr OnsiteFull Time
8+ YOEProficient in MATLAB and Simulink; experienced in data analysis and algorithm development; capable of independent work and collaboration; DoD Secret security clearance or eligibility; STEM degree with extensive experience.
MATLAB, Simulink, Data analysis
3w
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Principal Engineer, Agentic AI Data and Insights
Irvine or San Jose
$307k-$428k/yr OnsiteFull Time
15+ YOEBachelor's degree or equivalent and 15 years software engineering experience; senior technical leadership, large-scale distributed systems, architectural design, and experience with agentic AI and large-scale data platforms.
Iceberg, Spark, GoogleSQL, ANSI SQL, Plx, Jetski
1w
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Senior Principal Engineer – Applied ML/AI Algorithms R&D for Advanced Patient Monitoring
Irvine, California, United States
$130k-$207k/yr OnsiteFull Time
4+ YOEPhD+4 or MS+7 or BS+8 in AI/ML/data science/software engineering; experience productionizing ML/LLM models, MLOps, mentoring engineers, building scalable experimentation and working in regulated healthcare environments.
MLOps, LLM, LMM, ML, DL, AI, feature store
1mo
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Principal Threat & Risk Engineer
Anaheim, California, United States
HybridFull Time
10+ YOERequires a 4-year degree or equivalent, ~10 years related experience, expertise in reliability engineering, root cause analysis, FMEA, data analysis, condition monitoring and predictive maintenance.
5d
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Principal Signal Processing Engineer
Woburn or Boston or Arlington or Dayton or Melbourne or Carlsbad
$206k-$284k/yr OnsiteFull Time
8+ YOERequires 8+ years on EW or radar programs, a technical degree, 2+ years in advanced signal or data processing, programming proficiency, and ability to obtain a Top Secret clearance requiring U.S. citizenship.
MATLAB, Python, C, C++, PyTorch, Ray, TensorFlow, MLflow
5d
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Principal Sourcing Engineer
Danvers or Boulder or Irvine or Minneapolis or Mounds View
$131k-$197k/yr OnsiteFull Time
7+ YOEBachelor's degree and 7+ years, master's and 5+ years, or PhD and 3+ years in plastics processing and supplier qualification. Requires project leadership, supplier management, process improvement, and data analysis expertise.
Six Sigma, Lean Six Sigma, Microsoft PowerPoint, Microsoft Project
3mo
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Principal Program Manager (Hyperscaler Cloud Data Center - full lifecycle program ownership)
Boise or Irvine or Santa Clara
$160k-$237k/yr HybridFull Time
5+ YOEBachelor's in CS/EE with 10+ yrs; or Master's with 7+ yrs; 5+ yrs PM in semiconductor; strong leadership, communication, risk mgmt, and cross-functional skills.
4w
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Senior Hydrogeologist / Principal Hydrogeologist
Fountain Valley, California, United States
$155k-$213k/yr OnsiteFull Time
6+ YOE3+ MgmtCalifornia PG registration required; Bachelor’s in geology/hydrogeology (Master’s preferred); 6+ years (senior) or 10+ years (principal) hydrogeology experience; project management and supervisory experience; groundwater modeling and data analysis skills.
MODFLOW, MODFLOW 6, GW Vistas, Python, ArcGIS, PowerPoint
2w
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Principal Product Lead (TL2)
Dayton or Woburn or Arlington or Melbourne or Carlsbad
$206k-$275k/yr OnsiteFull Time
10+ YOEMS+15yrs or PhD+10yrs (or equivalent) in applied math, physics, EE, CS, or data science; experience with sensing systems, data analytics, DevOps processes, and leading engineering teams; US citizen able to obtain security clearance.
2w
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Principal Product Lead (TL2)
Arlington or Woburn or Boston or Dayton or Melbourne or Carlsbad
$206k-$275k/yr OnsiteFull Time
10+ YOEMS+15yrs or PhD+10yrs (or equivalent) in a scientific field; experience with sensing systems, data analytics, DevOps, leading engineering teams, and working with government customers; US citizen able to obtain security clearance.
2w
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Principal Technical Product Manager — AI Integration
Milwaukee or Irvine or Dallas or Austin
$112k-$175k/yr OnsiteFull Time
8+ YOE8+ years technical product management or architecture with 3+ years owning API platforms; engineering background; API gateway and OAuth experience; strong developer-experience and data-product skills; MCP/agent-tool familiarity preferred.
Apigee, Kong, AWS API Gateway, Mintlify, Swagger/OpenAPI, Redoc, ReadMe, Model Context Protocol (MCP), OAuth