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27 principle developer jobs at 19 companies in San Clemente, CA

2mo
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Principle Software Engineer
Austin or Carlsbad or Chicago or Eugene or Toronto
$119k-$169k/yr HybridFull Time
Zynga
Zynga: Develops and publishes social and mobile video games globally.
8+ YOE8+ years experience in SQL, data warehousing, Python (pandas, NumPy), and data visualization tools; BS in CS/Math/Engineering or equivalent; strong data modeling, dashboards, and stakeholder communication.
Python, pandas, NumPy, SQL, data warehouses, Tableau
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1mo
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Systems Engineer – Algorithms (ONSITE)
Fullerton, California, United States
$76k-$144k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
2+ YOEProficiency in MATLAB and Simulink; knowledge of software development principles; STEM degree with 2+ years experience; ability to obtain SECRET clearance.
MATLAB, Simulink
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2w
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Manufacturing Engineer (CA, Fullerton)
Fullerton, California, United States
OnsiteFull Time
Hydraflow
Hydraflow: Designs and manufactures fluid transfer components for the aerospace industry.
Develop and improve manufacturing processes, apply lean and 5S principles, ensure GMP and regulatory compliance, analyze workflow and costs, design testing methods, and produce process reports.
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4d
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Train Engineer
Buena Park, California, United States
$20/hr OnsitePart Time
Six Flags Entertainment Corporation
Six Flags Entertainment CorporationNYSE: FUN: Operates theme parks and water parks in North America.
2+ YOEMust be 18+, 2+ years mechanical maintenance experience, HS diploma/GED, knowledge of mechanical principles and pneumatic/hydraulic systems, able to work at height and pass background check.
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1w
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Assistant Engineer - Land Development
Fontana, California, United States
$8k-$9k/mo OnsiteFull Time
City of Fontana
City of Fontana: Provides municipal services and public safety for Fontana residents.
1+ YOEBachelor's in civil engineering (or equivalent), some related engineering experience preferred (1 year preferred), knowledge of civil engineering principles, ability to review plans and prepare reports, valid CA Class C driver’s license required.
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2w
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Application Engineer
Santa Ana, California, United States
$75k-$85k/yr OnsiteFull Time
HEICO
HEICONYSE: HEI: Manufactures specialty electronic components and niche aircraft parts.
1+ YOEBachelor's in STEM (or equivalent), 1+ year customer service and technical sales experience, ability to interpret electrical schematics, apply engineering principles to sales, strong communication, Microsoft Office and Salesforce proficiency, willingness to travel (~5%).
Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, Microsoft Project, Salesforce
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2mo
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Mechanical Engineer, Production
Costa Mesa, California, United States
$129k-$171k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
2+ YOEDesign ownership, BOM/drawings in PLM, CAD proficiency, engineering first principles, 2+ yrs mechanical exp, BS in engineering, US person status, RCA/PCA experience.
NX, Teamcenter, CAD, PLM, BOM
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2w
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Manufacturing Engineer - Intern
Santa Ana, California, United States
OnsiteMultiple Commitments Available
Regal Technology Partners: Manufacturer of mission-critical electronic systems for aerospace and defense.
Currently pursuing a Bachelor's in engineering, knowledge of manufacturing processes and lean principles, proficiency with Microsoft Office, strong analytical and problem-solving skills, ability to stand and lift up to 25 lbs.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint
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1mo
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Entry-Level Engineer
Pleasanton or Sacramento or Millbrae or Sherman Oaks or Los Angeles or Irvine or Temecula or San Diego
$74k-$94k/yr OnsiteFull Time
The Whiting-Turner Contracting Company
The Whiting-Turner Contracting Company: Construction contractor providing engineering and construction services.
0+ YOEBachelor of Science in an engineering discipline; knowledge of engineering principles; ability to read technical specs and manage costs; proficient in MS Office; construction project experience.
Microsoft Project, Primavera, Suretrak, Microsoft Office Suite, Excel, Word
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2mo
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Systems Security Engineer (SSE)
Hudson or Phoenix or Huntsville or Cypress or West Lafayette or Andover or Chantilly or Gainesville
OnsiteFull Time
Mercury Systems
Mercury SystemsNASDAQ: MRCY: Provides secure processing solutions for aerospace and defense missions.
6+ YOEBS in STEM; 6+ years in systems engineering; SSE principles; DoD security; anti-tamper; DoD Secret clearance required.
Jama, Confluence, Jira, Bitbucket, Cameo Enterprise Architect, MBSE tools
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3w
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Environmental Engineer 1 (Water Services)
Irvine, California, United States
$65k-$107k/yr OnsiteFull Time
CDM Smith
CDM Smith: Engineering and construction firm for global infrastructure projects.
0+ YOEBachelor's in engineering (Civil, Environmental, Chemical) or related; 0 years experience; basic CADD, design principles, Microsoft Excel/Word; good verbal and written communication; up to 10% travel.
ArcGIS, HEC-RAS, SWMM, CADD, Microsoft Excel, Microsoft Word
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2w
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Site Reliability Engineer III
Irvine, California, United States
$117k-$147k/yr HybridFull Time
KFC Pan Europe
KFC Pan EuropeNYSE: YUM: Quick-service restaurant chain specializing in fried chicken products.
2+ YOE2+ years SRE experience focused on observability and automation, familiarity with SRE principles, hands-on observability tooling, incident management, SQL proficiency, basic coding familiarity, and AWS serverless experience.
SQL, JavaScript, Python, Go, TypeScript, DataDog, CloudWatch, OpenTelemetry, Lumigo, FullStory, Amplitude, Embrace, Retool, Git, Gitlab CI/CD, GitHub Actions, VS Code, Terraform, Pulumi, CloudFormation, Akamai, Amazon Bedrock, Lambda, API Gateway, Fargate, S3, DynamoDB, EventBridge, Jira
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2w
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Site Reliability Engineer III
Irvine, California, United States
$117k-$147k/yr HybridFull Time
Yum! Brands
Yum! BrandsNYSE: YUM: Global operator of quick-service restaurant brands.
2+ YOE2+ years SRE experience focused on observability and automation; familiarity with SRE principles, monitoring, incident management, SQL, and basic programming (JavaScript/Python/Go/TypeScript); AWS serverless knowledge.
DataDog, CloudWatch, OpenTelemetry, Lumigo, FullStory, Amplitude, Embrace, SQL, JavaScript, Python, Go, TypeScript, AWS, Lambda, API Gateway, Fargate, S3, DynamoDB, EventBridge, Git, VS Code, Gitlab CI/CD, GitHub Actions, Retool, Terraform, Pulumi, CloudFormation, Akamai, Amazon Bedrock, Jira, Claude Code, Codex, Cursor
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2w
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Senior Opto-Mechanical Engineer
Long Beach, California, United States
$142k-$214k/yr OnsiteFull Time
Relativity Space
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
5+ YOEBachelor's in Mechanical/Optical Engineering, 5+ years opto-mechanical experience, CAD and FEA proficiency, experience designing for thermal, vibration, and gravity effects, strong opto-mechanical principles and communication skills.
CAD, FEA
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2w
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Sr. Battery Cell Modeling Engineer
Tustin, California, United States
$108k-$135k/yr OnsiteFull Time
Rivian
RivianNASDAQ: RIVN: Designs and manufactures electric vehicles and charging networks.
5+ YOEM.S. or PhD in applied math, physics, mechanical or chemical engineering; 5+ years modeling physical systems and lithium-ion battery principles; expertise in P2D modeling, charge transport, reaction kinetics; automation and scalable modeling experience.
P2D, CFD
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3mo
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Mechanical Engineer System Integration Advanced Programs / Special Programs
Poway, California, United States
$81k-$142k/yr HybridFull Time
General Atomics
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
3+ YOEBachelor's in engineering (or equivalent) with 4+ years' experience (2+ with MS); strong understanding of engineering principles, GD&T/MBD, test planning/execution, manufacturing support, CREO/Windchill/Simulate experience, Microsoft Office, ability to obtain DoD clearance; PE desirable.
CREO, Windchill, Simulate, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Siemens NX, Teamcenter, Simcenter
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2mo
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Assistant Professor of Economics
Aliso Viejo, California, United States
$106k-$116k/yr OnsiteFull Time
Soka University of America
Soka University of America: Private liberal arts university offering undergraduate and graduate degrees.
Ph.D. in Economics (or ABD considered); ability to teach principles, labor, development, regression/statistics, and GE courses; active research agenda with undergraduate mentorship; commitment to inclusive pedagogy and service.
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4d
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Post Production Manager - Riverside
Riverside, California, United States
OnsiteFull Time
Carvana
CarvanaNew York Stock Exchange: CVNA: Online platform to buy, sell, and trade used cars.
5+ YOE5+ years management in automotive or lean manufacturing, knowledge of lean principles, ability to lead and develop associates, valid unrestricted driver’s license, ability to lift 40 lbs, strong communication and analytical skills.
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3d
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Software Engineering Manager
El Segundo or Seal Beach
$172k-$232k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
3+ YOE1+ MgmtActive US Top Secret clearance,3+ years software development experience,1+ year leadership experience,knowledge of software engineering principles,Java/C++/Python,DevSecOps and CI practices,GitLab experience.
Java, C++, Python, GitLab
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2w
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Program Director
Fallbrook, California, United States
$73k-$83k/yr OnsiteFull Time
Crestwood Behavioral Health
Crestwood Behavioral Health: Providing comprehensive mental health recovery and behavioral rehabilitation services.
2+ YOEBachelor's degree and/or licensed nurse/licensed clinician; 2+ years experience in mental health (1 year in program development for severe persistent mental disabilities); knowledge of DSM-5, psychosocial rehabilitation, recovery principles, and applicable regulatory requirements.
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