276 principal engineer jobs at 59 companies in Santa Paula, CA
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Lead Principal Engineer
El Segundo, California, United States
$178k-$245k/yr OnsiteFull Time
12+ YOEM.S. in electrical engineering with 12+ years or B.S. with 15+ years in power electronics and DC/DC converters; requires simulation, PCB design, validation, mentoring, and English communication.
GaN, SiC, PCB, simulation tools, PCB design tools
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Sr Principal Engineer Digital
Manhattan Beach, California, United States
$156k-$235k/yr OnsiteFull Time
8+ YOESTEM degree with 4–8+ years digital engineering experience (depending on degree), circuit and board design, unit verification, hardware troubleshooting, teamwork, and strong communication skills; ability to obtain security clearance.
Siemens Mentor Graphics Xpedition, HyperLynx, Electronic design tools
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Principal Engineer, Architecture
Glendale, California, United States
$320k-$380k/yr OnsiteFull Time
12+ YOE12+ years engineering experience with staff/principal scope; expertise in distributed systems, data modeling, API design, security; strong mentorship and technical writing skills.
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Senior Principal Mission Engineer
Chantilly or El Segundo or Colorado Springs
$160k-$210k/yr OnsiteFull Time
15+ YOE15+ years systems engineering experience (Master's+15 or Bachelor's+17) with space and ground systems, modeling/simulation, mission V&V, ERD/RVTM experience, TS/SCI clearance required, strong communication skills.
2w
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Electrical Principal Engineer
Ventura, California, United States
$120k-$180k/yr HybridFull Time
10+ YOEPE license, 10+ years power systems experience, low/medium voltage design, SKM/ETAP experience, NEC/NFPA knowledge, strong client and project leadership skills.
SKM, ETAP
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Principal Optical Engineer
El Segundo, California, United States
$118k-$225k/yr OnsiteFull Time
8+ YOEDegree in STEM with 8+ years in optical design/analysis, tolerancing, and CAD; hands-on assembly and test.
Zemax, CodeV, FRED, MATLAB, CREO, CAD
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Principal Engineer
La Cañada Flintridge, California, United States
$153k-$188k/yr OnsiteFull Time
6+ YOE3+ MgmtBachelor's in civil engineering, six years municipal public works/civil engineering project management including three years supervisory experience; CA Professional Engineer registration and valid California driver license required; experience with CIP, budgeting, contracts, and construction management.
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Principal Software Engineer
New York or Santa Monica
$188k-$265k/yr HybridFull Time
10+ YOE10+ years in software engineering with architecture and distributed systems; cloud (AWS); Java/Python; microservices; API design; hands-on coding.
AWS, S3, DynamoDB, Kinesis, Kafka, Java, Python, API Design, Microservices, Distributed Systems, Cloud
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Principal Data Engineer
El Segundo, California, United States
$240k-$275k/yr RemoteFull Time
6+ YOE6+ years data engineering; strong SQL, Python; Snowflake/dbt; experience building large-scale data platforms; leadership and mentoring; AI-first mindset.
SQL, Python, Snowflake, dbt, Iceberg, Trino, Kafka
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Principal Software Engineer
New York or Santa Monica
$197k-$265k/yr HybridFull Time
10+ YOE10+ years in software engineering with architecture and distributed systems; BS in CS/IS/ENG or related field; strong cloud, microservices, API design; proficient in Java/Python; hands-on coding; excellent communication.
AWS, S3, DynamoDB, Kinesis, SQS, Kafka, Java, Python, Microservices, APIs, Data modeling, Design patterns
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Principal Reliability/FA Engineer (Newbury Park, CA, US)
Newbury Park, California, United States
$129k-$248k/yr OnsiteFull Time
12+ YOEBachelor’s or Master’s in Electrical/Computer Engineering with 10+ years (Master’s) or 12+ years (Bachelor’s) in failure analysis and reliability; PhD preferred
CSAM, X-ray CT, IR/NIR microscopy, wet etching, dry etching, DC testing, RF test equipment, PCB design tools, IC design tools, Microsoft Office
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Principal/Senior Principal Mechanical Engineer
Hawthorne or El Segundo or Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$160k-$260k/yr OnsiteFull Time
10+ YOEBachelor's in Mechanical Engineering, 10+ years mechanical design and system integration experience in aerospace/defense, launcher design experience, CAD and FEA proficiency, electro-mechanical integration, MIL-STD familiarity, ability to obtain U.S. security clearance.
SolidWorks, NASTRAN, ABAQUS, ANSYS, COMSOL
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Principal Software Engineer
San Diego or Valencia
$107k-$203k/yr HybridFull Time
8+ YOE8+ years Android app development; 2+ years in medical devices; Kotlin/Java; AWS; IEC 62304/ISO 13485/FDA design controls; strong cross-functional collaboration.
Kotlin, Kotlin Multiplatform, Java, Android Jetpack, BLE, AWS, OAuth, Git, Jenkins, SonarQube, Atlassian Agile tools, API Gateway, Cognito, DynamoDB, S3, EC2, KMS, REST
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Principal Component Engineer
El Segundo, California, United States
$177k-$239k/yr OnsiteFull Time
14+ YOEBachelor's in engineering or related field, Tier 5 (T5) security eligibility (U.S. Person), extensive EO/IR, laser and electro-optical systems experience, systems engineering and test/qualification experience, strong communication and problem-solving skills.
3w
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Principal Systems Engineer
Goleta, California, United States
$142k-$189k/yr OnsiteFull Time
Bachelor's degree or equivalent experience in engineering or related field; systems engineering/product development experience; strong communication, problem-solving, and leadership skills; able to travel occasionally, lift 25 lbs, and stand for extended periods; U.S. eligibility for export controls required.
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Principal Integration Engineer
El Segundo, California, United States
OnsiteFull Time
14+ YOEEngineering, mathematics, physics, or equivalent degree plus 9–14+ years of experience; active Secret clearance; systems integration, architecture, analytical, organizational, and communication skills.
3w
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Systems Engineer, Principal
Huntsville or Moorpark
$155k-$247k/yr OnsiteFull Time
15+ YOE15+ years systems engineering experience, ability to obtain U.S. DoD Secret clearance, MBSE (SysML) and Cameo experience, requirements and V&V expertise, ability to travel up to 15%.
SysML v1.x, Cameo Enterprise Architect, Cameo Systems Modeler, Jama, SysML v2
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Principal Component Engineer
Huntsville or Cypress or Andover or Oxnard or Chantilly
$87k-$216k/yr HybridFull Time
6+ YOEBachelor's degree in STEM, 6 years of relevant defense or electronics experience, lead component engineering experience, MIL-STD-883 knowledge, and active or obtainable US DoD Secret clearance with US citizenship.
NSMAR, NSPAR, MIL-STD-883, MIL-PRF-38534, MIL-PRF-38535, SMT, PLM, MES, Quality Management System, SAE AS9100, SAE AS9102, Microsoft LinkedIn Learning, Headspace, Aaptiv, Virgin Pulse
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Principal Electrical Engineer
Goleta, California, United States
$120k-$162k/yr HybridFull Time
8+ YOEBachelor’s degree in engineering or related technical field and 8+ years of electrical design experience, including power electronics, generator systems, circuit simulation, circuit card design, CAD, and system integration. U.S. citizenship required.
AC-DC, DC-DC, DC-AC, MIL-STD-461, MIL-STD-464, Circuit simulation applications, CAD, ALTIUM, Interface Control Documents (ICD)
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Principal GNC Engineer
Simi Valley, California, United States
$155k-$170k/yr OnsiteFull Time
15+ YOEMaster's/PhD in engineering, U.S. citizenship and DoD Secret clearance, 15+ years GNC experience in missile/aerospace systems, GNC algorithm development, software integration, testing, Agile/Waterfall experience, MS Office proficiency.
MS Office
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