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50 principal engineer jobs at 16 companies in Modesto, CA

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Principal Engineer
Pleasanton, California, United States
$257k-$322k/yr HybridFull Time
BlackLine
BlackLineNASDAQ: BL: Provides cloud-based financial close and accounting automation software.
Principal software engineering role requiring application architecture, cloud backend development, system scaling, troubleshooting, optimization, innovation, cross-team collaboration, and mentoring engineers.
cloud-based backend services
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3d
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Principal Plan Check Engineer (FT - Hybrid)
Irvine or Foster City or Newman or Paso Robles or Sacramento
$150k-$190k/yr HybridFull Time
CSG Consultants
CSG Consultants: Provides engineering and building department services to public agencies.
10+ YOE10+ years plan review experience, bachelor’s in engineering (structural focus), PE California license, ICC/CASp certifications preferred, management experience and strong code knowledge.
Microsoft Office Suite, Bluebeam, Bluebeam Studios, Microsoft Teams, Zoom
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Senior/Principal Machine Learning Engineer
Pleasanton or Seattle
$228k-$342k/yr HybridFull Time
Workday
WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.
7+ YOE7+ years ML engineering experience (10+ for principal), strong ML/deep learning background, experience with LLMs and production model hosting, cloud experience (AWS/GCP), leadership/mentoring experience, Bachelor's in CS/engineering/physics/math required (advanced degrees preferred).
PyTorch, TensorFlow, AWS, GCP
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2w
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Data Engineer, Principal
Oakland or Washington or Ohio or Missouri or California or Long Beach or Arizona or Colorado or Florida or Georgia or Maryland or Minnesota or Nevada or Oregon or El Dorado Hills or Lodi or Rancho Cordova or San Diego or Alabama or Illinois or Virginia or Wisconsin or Texas or New York
$168k-$252k/yr HybridFull Time
Ascendiun
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
10+ YOE10+ years data engineering experience, bachelor's or equivalent, expertise in Data Vault 2.0/dimensional modeling/Lakehouse, SQL/Python/DBT, cloud data platforms, CI/CD, and mentoring senior engineers.
SQL, Python, DBT Cloud, DBT core, Snowflake, Synapse, Databricks, Git, Bitbucket, Jira
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Principal Civil Engineer
Pleasanton, California, United States
$160k-$225k/yr OnsiteFull Time
R.E.Y. Engineers
R.E.Y. Engineers: Civil engineering, land surveying, and geospatial solutions provider.
15+ YOECalifornia PE license, Bachelor's in Civil Engineering, 15+ years progressive civil engineering experience with public works or land development, proven client relationship and leadership skills, business development experience preferred.
AutoCAD Civil 3D
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Principal Mechanical Design Engineer
Livermore, California, United States
$111k-$145k/yr OnsiteFull Time
FormFactor
FormFactorNASDAQ: FORM: Manufacturer of semiconductor test and measurement equipment.
5+ YOEMechanical design engineer with minimum 5 years' related experience (or equivalent degree/experience), strong 3D CAD skills, GD&T and tolerance knowledge, hands-on prototyping, metrology, and cross-functional troubleshooting.
Autodesk AutoCAD, SolidWorks, SolidWorks PDM
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Principal Hardware Engineer - Fluidics - Pleasanton, CA
Pleasanton or United States
$250k-$270k/yr OnsiteFull Time
Calyxo
Calyxo: Develops vacuum-assisted devices for minimally invasive kidney stone removal
15+ YOEBachelor's in engineering required, 15+ years developing fluidic/mechatronic/control systems for regulated products, expertise in fluid dynamics, closed-loop control, prototyping, embedded software (C/C++, Python), medical device standards (IEC 60601, ISO 13485).
C, C++, Python
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Principal EPC Engineer - Power & Energy Systems Architect
Odessa or Pleasanton
HybridFull Time
STN
STN: Provides managed IT services, cloud infrastructure, and cybersecurity solutions.
10+ YOEBS in Electrical Engineering required; PE strongly preferred or ability to obtain. 10+ years EPC power-systems experience including HV/MV distribution, on-site generation/microgrids, BESS integration, and familiarity with NEC/IEEE/NERC/ERCOT.
ETAP, SKM, PSS/E, SCADA, EMS
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Senior/Principal Facilities Mechanical Engineer, CA Onsite
Livermore, California, United States
$122k-$238k/yr OnsiteFull Time
Sandia National Laboratories
Sandia National Laboratories: Federal research and development laboratory for national security.
8+ YOEBachelor's in Mechanical Engineering (or equivalent) with ≥8 years facilities experience, team leadership, facilities project management, knowledge of building codes, and ability to obtain DOE Q-level clearance.
AutoCAD
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Senior/Principal Facilities Electrical Engineer, CA Onsite
Livermore, California, United States
$122k-$238k/yr OnsiteFull Time
Sandia National Laboratories
Sandia National Laboratories: Conducts science and engineering research for national security.
8+ YOEBachelor's in Electrical Engineering (or equivalent) with 8+ years facilities experience; experience leading teams, electrical design, project management, knowledge of building codes, and ability to obtain DOE Q-level security clearance.
AutoCAD
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Principal Infrastructure Engineer
Pleasanton, California, United States
$170k-$230k/yr HybridFull Time
Blackhawk Network
Blackhawk Network: Provider of global branded payment and gift card solutions.
12+ YOEBA plus 12+ years IAM experience; mastery of IAM (lifecycle, RBAC, IGA, PAM), protocols (SAML, OAuth, OIDC, SCIM, LDAP, Kerberos), directory services (Active Directory, Azure AD), Okta, ServiceNow, compliance frameworks, and AI tool fluency.
SAML, OAuth, OIDC, SCIM, LDAP, Kerberos, Microsoft Active Directory, Microsoft Azure AD, Okta, ServiceNow, AI tools
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Principal AI Engineer
Santa Clara or Milpitas or Mountain View or East Foothills or Los Altos or Stanford
$176k-$293k/yr HybridFull Time
BMC Software
BMC Software: Provides enterprise software for IT management and automation.
8+ YOE8+ years building and operating production-grade software with recent depth in AI/ML; proven experience shipping agentic AI systems, evaluation/experimentation frameworks, RAG/retrieval, and cloud-native tooling (Git, Docker, Kubernetes, CI/CD, AWS/Azure/GCP).
LangGraph, Google ADK, Git, Docker, Kubernetes, CI/CD, AWS, Azure, GCP
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Principal IAM Engineer
Pleasanton, California, United States
$170k-$230k/yr HybridFull Time
Blackhawk Network
Blackhawk Network: Provides branded payment products and corporate incentive solutions globally.
12+ YOEBA plus 12+ years in IAM, directory services, or equivalent; expert in identity lifecycle, IGA, PAM, RBAC; protocols SAML/OAuth/OIDC/SCIM/LDAP/Kerberos; AD/Azure AD/Okta experience; ServiceNow familiarity; strong compliance knowledge.
SAML, OAuth, OIDC, SCIM, LDAP, Kerberos, Active Directory, Azure AD, Okta, ServiceNow
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Principal Air Quality Engineer (Source Test)
San Francisco or Alameda County or Contra Costa County or Marin County or San Mateo County or Santa Clara County or Napa County or Solano County or Sonoma County or California
$145k-$177k/yr HybridFull Time
Bay Area Air Quality Management District
Bay Area Air Quality Management District: Regulates stationary air pollution sources to protect public health.
4+ YOEBachelor's degree in engineering (environmental/chemical/mechanical/petroleum) or closely related field and four years of air quality/environmental engineering experience; experience with source testing, permit review, rule development, emissions calculations, QA/QC, and supervising staff; valid California driver's license; pass physical/lift test.
Continuous Emission Monitoring System (CEMS)
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2d
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Lead Principal Application Software Engineer- Forward Deployed Engineer
Pleasanton or United States or California
$105k-$264k/yr OnsiteFull Time
Oracle
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
10+ YOERequires 10–12+ years in enterprise data platforms, expertise in cloud data engineering and Apache Spark, migration experience, and proficiency with Databricks, Snowflake, Azure, AWS, Kafka, Python, SQL, Scala, or Java.
Databricks, Snowflake, Azure, AWS, Oracle AI Data Platform, Apache Spark, SPARK, Delta Lake, Kafka, Python, SQL, Scala, Java, DataOps, CI/CD, Infrastructure as Code, Lakehouse, Medallion Architecture, OCI, LLMs, Retrieval-Augmented Generation (RAG), MLOps, OCI - DevOps, OCI - Generative AI Agent Hub, OCI Generative AI
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Principal Data Architect
Pleasanton, California, United States
$114k-$228k/yr OnsiteFull Time
Abbott
AbbottNYSE: ABT: Manufactures medical devices, diagnostics, and nutritional health products.
8+ YOE8+ years in data architecture/engineering, 5+ years building enterprise cloud data platforms; deep Databricks, AWS, Azure, SQL and Python experience; data governance, security, and healthcare data knowledge preferred.
Databricks, Delta Lake, Unity Catalog, Databricks Workflows, Databricks SQL, Spark, PySpark, AWS, S3, Glue, IAM, Redshift, Lambda, Kinesis, Lake Formation, Microsoft Azure, Azure Data Lake Storage (ADLS), Azure Data Factory, Synapse, Azure Key Vault, Microsoft Purview, SQL, Python, Kafka, Spark Structured Streaming, EMR/EHR, FHIR, HL7, MLOps
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Principal Data Architect
Pleasanton, California, United States
$114k-$228k/yr OnsiteFull Time
Abbott
AbbottNYSE: ABT: Provides medical devices, diagnostics, and science-based nutritional products.
8+ YOEBachelor's degree required; 8+ years in data/solution architecture; 5+ years designing enterprise cloud data platforms; deep Databricks, AWS, Azure, SQL and Python experience; governance and healthcare data experience preferred.
Databricks, Delta Lake, Unity Catalog, Databricks Workflows, Databricks SQL, Spark, PySpark, Amazon S3, AWS Glue, AWS IAM, Amazon Redshift, AWS Lambda, Amazon Kinesis, AWS Lake Formation, Azure Data Lake Storage (ADLS), Azure Data Factory, Azure Synapse, Azure Key Vault, Microsoft Purview, SQL, Python, Kafka, Spark Structured Streaming
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Principal, Software Development Engineering in Test (SDET)
Pleasanton, California, United States
$189k-$284k/yr HybridFull Time
Workday
Workday: A provider of enterprise cloud applications for finance and human capital management.
2+ YOEMaster's in CS/Engineering plus 2+ years (or Bachelor's plus 5+ years) experience; expertise in testing/automation, TDD/BDD, CI/CD integration, Jenkins, Bamboo, Selenium, Java/Python/JavaScript/C#, AWS or GCP, and log monitoring tools.
Jenkins, Bamboo, Selenium, Java, Python, JavaScript, C#, AWS, GCP, Grafana, ELK, Splunk
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Administrative Specialist - Engineering Principal Associate Director's Office
Livermore, California, United States
$38-$46/hr HybridFull Time
Lawrence Livermore National Laboratory
Lawrence Livermore National Laboratory: Develops science and technology for United States national security.
Advanced administrative experience, office procedures, editing, organization, communication, problem-solving, Microsoft Office Suite, database and calendaring software, and eligibility for U.S. DOE Q-level clearance requiring U.S. citizenship.
Microsoft Office Suite, Adobe DC, Microsoft Forms, Microsoft SharePoint, LEAP, TIME, EAM, LTRAIN, ePay, Cliqbook
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