13 principal qa engineer jobs at 12 companies in California
1mo
Save
Mark Applied
Hide
Principal QA Engineer
Irvine, California, United States
$140k-$185k/yr HybridFull Time
5+ YOE5+ years QA automation experience; strong Python or Java with PyTest/TestNG, Playwright/Selenium; CI/CD with Jenkins/GitHub Actions; API and performance testing; ERP testing experience; bachelor’s degree preferred.
Python, Playwright, PyTest, Java, TestNG, Jenkins, GitHub Actions, QMetry, Postman, SoapUI, Apache JMeter, LoadRunning, JDE EnterpriseOne, SAP, Oracle, Oracle Fusion, Selenium
5d
Save
Mark Applied
Hide
Mechanical Principal
San Francisco or Walnut Creek
$160k-$200k/yr OnsiteFull Time
15+ YOEBachelor's degree in HVAC or mechanical engineering, 15+ years of building HVAC and piping design experience, project management, multidisciplinary leadership, Revit MEP proficiency, and advanced mechanical systems expertise.
Revit MEP, HVAC, MEP, FP, RFP, RFQ, UPS, HEPA, DX, QA/QC, CHW, HW, WSHP
1w
Save
Mark Applied
Hide
Sr. Principal QA Engineer
Livermore, California, United States
$136k-$179k/yr OnsiteFull Time
8+ YOEBachelor's degree and 8+ years of quality, manufacturing, engineering, operations, or quality systems experience, with expertise in QMS, audits, CAPA, structured problem-solving, and cross-functional leadership.
Quality Management System (QMS), Electronic Quality Management System (eQMS), Microsoft Power BI, Manufacturing Execution System (MES), Statistical Process Control (SPC), Enterprise Resource Planning (ERP), FMEA, 8D, Root Cause Analysis (RCA), 5 Why, 4C
3mo
Save
Mark Applied
Hide
Principal Product Quality Engineer
Torrance, California, United States
$139k-$160k/yr OnsiteFull Time
8+ YOE8+ years in quality/manufacturing/engineering in aerospace/defense or regulated hardware; lead cross-functional teams; NPI, design QA, reliability; ISO/AS9100; CQE/Six Sigma a plus.
SPC, Oracle ERP, QMS, DFMEA, PFMEA, Reliability testing tools
1mo
Save
Mark Applied
Hide
Principal Civil Engineer (Water)
San Francisco or Rancho Cordova or Davis
$128k-$191k/yr HybridFull Time
8+ YOEBachelor's in civil engineering (or related) required, 8–12+ years civil engineering experience (typically 10+), California PE preferred, SMS Framework certification preferred, project leadership and QA/QC experience in water-related projects.
Microsoft Office, Microsoft Outlook, Bluebeam
3w
Save
Mark Applied
Hide
Principal Software Systems QA Architect
Spring or Palo Alto
$147k-$231k/yr HybridFull Time
10+ YOE10+ years systems engineering or software experience, degree or equivalent, preferred CSSE/CSEP, strong QA, architecture, cloud, containerization, and programming language skills.
Amazon Web Services, Application Programming Interface (API), Docker, Kubernetes, Linux, Microsoft Azure, C++, Java, JavaScript, Python, SQL
1mo
Save
Mark Applied
Hide
Principal Geotechnical Engineer
Nevada City or Sacramento or Rocklin
$180k-$205k/yr OnsiteFull Time
10+ YOEMaster's degree in a technical field, 10+ years' geotechnical experience, registration (RG/CEG/PE/GE), leadership in project and office management, business development, QA/QC and health & safety compliance.
2mo
Save
Mark Applied
Hide
Staff/Principal Software Engineer – Medical Imaging & Robotics
Campbell, California, United States
$170k-$220k/yr OnsiteFull Time
5+ YOE5+ years in software engineering; MS/PhD in CS/EE/Robotics; C++, ROS/ROS 2; real-time systems; medical device software; Linux; AI/robotics experience.
C++, ROS, ROS 2, Linux, SQA, Debugging tools
3w
Save
Mark Applied
Hide
Principal Software Systems QA Architect
Spring or Palo Alto or Houston
$147k-$231k/yr OnsiteFull Time
10+ YOE10+ years systems engineering or software experience; degree or equivalent experience; preferred CSSE/CSEP; expertise in cloud, microservices, CI/CD, and modern programming languages.
Agile Methodology, Amazon Web Services, Application Programming Interface (API), C++, Docker, Java, JavaScript, Kubernetes, Linux, Microservices, Microsoft Azure, Python, SQL
1mo
Save
Mark Applied
Hide
Principal Quality Engineer
Santa Clara, California, United States
OnsiteFull Time
5+ YOE5+ years (with Master's) to 11+ years experience in software testing, automation, QA or test frameworks; proficiency in test automation frameworks, application security, CI/CD, Linux, and Python; strong root cause analysis and risk-based testing skills.
Linux, Python, Continuous Integration/Continuous Delivery (CI/CD)
1mo
Save
Mark Applied
Hide
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
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)
1w
Save
Mark Applied
Hide
Principal AI Tool Engineer for Software Automation/Testing
Palo Alto, California, United States
$147k-$238k/yr OnsiteFull Time
8+ YOE8+ years software engineering/ML/QA experience, strong Python skills, experience with testing frameworks, ML model evaluation, APIs, distributed systems, and CI/CD; BS/MS in CS/AI/ML or related.
Python, PyTest, unittest, LangChain, OpenAI Evals, AWS, GCP, Azure, CI/CD, APIs
3mo
Save
Mark Applied
Hide
Principal Analyst, Quality Business Process
Arden Hills or Valencia or Spencer or Marlborough or Quincy or Maple Grove or Coventry
$102k-$194k/yr HybridFull Time
7+ YOEBachelor's in engineering/science, 7+ years in quality/engineering/operations/QA, 3+ years in medical device or regulated industry, business process design and quality systems knowledge; SAP S/4HANA experience preferred.
SAP S/4HANA