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375 principal engineer jobs at 55 companies in Oxnard, CA

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Principal Systems Engineer
Valencia or Santa Clarita
$107k-$203k/yr HybridFull Time
Boston Scientific
Boston ScientificNYSE: BSX: Developer and manufacturer of innovative medical devices and therapies.
8+ YOEBachelor’s degree in Electrical/Computer Engineering, Computer Science or related field; 8+ years engineering experience; 5+ years in mixed HW/SW systems; 3+ years in embedded systems or active implantable medical devices.
Embedded systems, System architecture tools, Regulatory documentation, FMEA risk analysis, PLM tools, Project management methodologies, Agile
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Sr Principal Engineer Digital
Manhattan Beach, California, United States
$156k-$235k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
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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Sr Principal Engineer Digital
Manhattan Beach, California, United States
$156k-$235k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
8+ YOEBachelor's in STEM with 8+ years (or Master's with 6+, PhD with 4+) in digital/design engineering; experience in circuit/board design, digital communications/signal processing, verification, manufacturing, and lab testing; excellent communication; ability to obtain security clearance.
Siemens Mentor Graphics Xpedition, Siemens EDA HyperLynx
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Sr. Principal Engineer, Manufacturing Infrastructure
Westlake Village or Santa Clara
$159k-$235k/yr OnsiteFull Time
Marvell
MarvellNASDAQ: MRVL: Designs and develops high-performance semiconductor and infrastructure solutions.
15+ YOE15+ years in mechanical/electrical engineering for manufacturing infrastructure and test hardware; cross-functional leadership.
CAD, Project management tools
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Senior Principal Mission Engineer
Chantilly or El Segundo or Colorado Springs
$160k-$210k/yr OnsiteFull Time
OASYS
OASYS: Provides technology services and products for government and defense.
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.
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Principal Simulation Engineer
Hawthorne or Los Angeles or El Segundo
$225k-$300k/yr OnsiteFull Time
Freeform
Freeform: Deploys autonomous AI-powered metal 3D printing factories.
10+ YOELead development of physics-based solvers and models for high-performance manufacturing simulations.
C, C++, CUDA, GPU, HPC
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Principal Thermal Engineer
El Segundo, California, United States
$118k-$225k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
10+ YOEBachelor’s degree in STEM with 10+ years of thermal analysis; experience with ANSYS, FloTHERM, PATRAN, Thermal Desktop/SINDA; ability to obtain TS/SCI clearance; on-site in El Segundo, CA; US citizenship.
ANSYS, FloTHERM, PATRAN, Thermal Desktop/SINDA
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Principal Manufacturing Systems Engineer
Thousand Oaks or Holly Springs or Cambridge or West Greenwich or New Albany
OnsiteFull Time
Amgen
AmgenNASDAQ: AMGN: Develops and manufactures biotechnology medicines for serious diseases.
Senior manufacturing systems engineer with program management leadership, experience with OT platforms (AVEVA PI, DeltaV, Rockwell, MES) and GMP environments.
Aveva PI, DeltaV, Rockwell, Korber MES, Digital Infrastructure, AGILE
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Sr. Principal Mechanical Engineer
Moorpark, California, United States
$170k-$250k/yr OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
8+ YOE8–12 years in mechanical engineering; production rotating electrical machines; MIL-STD 961D; SolidWorks; ANSYS; thermal management; bonding techniques; BOM management.
SolidWorks, ANSYS, ANSYS Icepack
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Principal Mechanisms Engineer - Payloads
El Segundo, California, United States
$170k-$220k/yr OnsiteFull Time
Varda Space Industries
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
7+ YOE3+ MgmtLead electromechanical space-flight hardware design; 7+ years in mech/electromechanical systems; cross-disciplinary expertise; strong leadership and communication.
Python, MATLAB, FEA, hand calculations
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3mo
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Principal DQA Engineer - Medical Device #2958
Santa Clarita, California, United States
OnsiteFull Time, Contract
ECI
ECI: Provides regulatory and engineering consulting for life sciences companies.
3+ YOEAssociate’s degree or technical certification; 3+ years drafting/design support; CAD proficiency; drafting standards knowledge; engineering drawings experience.
CAD software, AutoCAD, SolidWorks, Revit, Inventor, Microsoft Office, Document management systems, PDF mark-up tools
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Principal Systems Engineer (Valencia, CA, US, 91355)
Valencia, California, United States
$102k-$194k/yr HybridFull Time
Boston Scientific
Boston ScientificNYSE: BSX: Developing and manufacturing innovative medical devices for less-invasive treatments.
12+ YOEBachelor’s degree in biomedical/electrical/computer engineering or related field; 12+ years engineering experience; 10+ years in mixed hardware/software systems; 10+ years in regulated medical systems; strong requirements and systems engineering skills.
FMEA, PLM, Regulatory documentation, Systems engineering tools
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Principal Architect
Beverly Hills, California, United States
$143k-$190k/yr OnsiteFull Time
WME
WME: Global talent agency representing artists, athletes, and brands.
12+ YOE12+ years in infrastructure engineering and architecture; 5+ years in a principal or senior architect role; strong Azure and enterprise architecture experience; excellent writing and storytelling skills; proven ability to mature orgs to standards-based, self-service models.
Microsoft Azure, Entra ID, Conditional Access, Identity and Access Management, Infrastructure as Code
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Principal Staff Engineer - Web Platform
Calabasas, California, United States
$130k-$195k/yr HybridFull Time
PlanetArt
PlanetArt: Provides a mobile platform for ordering personalized photo products.
7+ YOE7+ years senior full-stack experience; strong AWS/cloud ops; ecommerce/high-traffic site expertise; production troubleshooting; distributed systems; global collaboration; Mandarin desirable; Git/CI-CD; ownership and technical leadership.
LAMP stack, Linux, Apache, MySQL, PHP, AWS, EC2, RDS, S3, Lambda, CloudWatch, Git, CI/CD, observability, monitoring
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Principal Software Engineer
New York or Santa Monica
$188k-$265k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
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
Prodege
Prodege: Marketing and consumer insights platform powered by loyalty programs.
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
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces media content and operates global theme parks.
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
Skyworks Solutions
Skyworks SolutionsNASDAQ: SWKS: Designs and manufactures analog and mixed-signal semiconductor solutions.
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 Systems Engineer
Goleta, California, United States
$142k-$189k/yr OnsiteFull Time
Teledyne Technologies
Teledyne TechnologiesNYSE: TDY: Manufactures sensors, cameras, and electronics for aerospace and defense.
Bachelor's degree or equivalent experience in engineering/physics/computer science, strong systems engineering and documentation skills, prior product development experience preferred, U.S. citizen or permanent resident required, ability to work onsite and travel occasionally.
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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
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
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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