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519 principal engineer jobs at 128 companies in Thousand Oaks, CA

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Principal Engineer
Pasadena, California, United States
$157k-$196k/yr OnsiteFull Time
City of Pasadena
City of Pasadena: Providing municipal services and public programs to the Pasadena community.
Lead water resources engineering division, manage capital projects, regulatory compliance, collaborate with regional agencies, and provide technical leadership for long-term water reliability.
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6d
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Lead Principal Engineer
El Segundo, California, United States
$178k-$245k/yr OnsiteFull Time
Infineon Technologies
Infineon TechnologiesFrankfurt Stock Exchange: IFX: Designs and manufactures semiconductors for power and IoT systems.
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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1mo
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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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3mo
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Principal Infrastructure Engineer
Los Angeles, California, United States
$250k-$320k/yr OnsiteFull Time
Hadrian
Hadrian: Building autonomous factories for aerospace and defense manufacturing.
15+ YOE10-15+ years infra/platform engineering; Terraform/IaC; Kubernetes; cloud, edge, networking; security; mentoring.
AWS, Terraform, OpenTofu, Kubernetes, EKS, K0s, K3s, GitHub Actions, ArgoCD, Helm, CUE, Prometheus, Grafana, Datadog
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3mo
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Principal Platform Engineer
Los Angeles, California, United States
$170k-$190k/yr OnsiteFull Time
First Resonance
First Resonance: Software platform for tracking and managing complex hardware manufacturing.
8+ YOE8+ years software engineering; experience building high-availability backend services; strong distributed systems; leadership of large technical initiatives; excellent written and verbal communication.
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Principal Engineer, Architecture
Glendale, California, United States
$320k-$380k/yr OnsiteFull Time
Moon
Moon: Building an AI-powered SaaS platform for business operations.
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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1mo
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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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2w
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Electrical Principal Engineer
Ventura, California, United States
$120k-$180k/yr HybridFull Time
Cannon Corp
Cannon Corp: Engineering and surveying services for infrastructure and development.
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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3mo
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Principal Optical Engineer
El Segundo, California, United States
$118k-$225k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
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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2mo
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Principal Mechanical Engineer - Launcher Systems
Los Angeles, California, United States
$180k-$230k/yr OnsiteFull Time
Hikinex
Hikinex: Provider of outsourced sales and administrative business solutions.
10+ YOE10+ years in aerospace/defense mechanical design and system integration; BS in Mechanical Engineering; launcher systems experience; US citizenship and ability to obtain security clearance.
SolidWorks, CAD
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Principal Integration & Test Engineer
Los Angeles, California, United States
$175k-$200k/yr OnsiteFull Time
K2 Space
K2 Space: Develops high-power satellite platforms for heavy-lift launch vehicles.
8+ YOEBachelor’s in engineering; 8+ years in integration/test/automation; spacecraft testing; environmental testing; Linux; Python or Rust; manage contractual interfaces.
Python, Rust, Linux, Oscilloscope, DMM, PSU, Environmental test equipment, HITL, HWIL, Flatsat
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3mo
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Principal Software Engineer, Continuous Integration (Starship)
Hawthorne, California, United States
$200k-$285k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
7+ YOE7+ years software engineering; Bachelor's degree in CS/Engineering/Math or STEM, or 9+ years experience in lieu of degree; strong Python/C++/Go/Rust; Bazel or similar build systems; work on on-premises compute; willingness for long hours.
Bazel, Python, C++, Rust, Go
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1mo
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Principal Engineer
La Cañada Flintridge, California, United States
$153k-$188k/yr OnsiteFull Time
City of La Cañada Flintridge
City of La Cañada Flintridge: Municipal government serving the City of La Cañada Flintridge.
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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5d
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Principal Engineer - Full Stack
Agoura Hills, California, United States
$135k-$145k/yr HybridFull Time
Cydcor
Cydcor: Provides outsourced sales and customer acquisition services for businesses.
7+ YOERequires 7+ years of software engineering experience, strong programming and architecture skills, and hands-on experience with at least three of Python, PostgreSQL, AWS, MuleSoft, and JavaScript. Git, CI/CD, communication, and mentoring skills required.
Salesforce, MuleSoft, Informatica Cloud, Python, PostgreSQL, AWS, JavaScript, Apex, Lightning/LWC, Anypoint Platform, DataWeave, Git, CI/CD, APIs, Informatica
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2mo
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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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2mo
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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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2mo
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Principal Research & Development (R&D) Engineer
Los Angeles or Irvine or Illinois or United States
$180k-$250k/yr HybridFull Time
Motorola Solutions
Motorola SolutionsNYSE: MSI: Provides mission-critical communications and public safety technology.
10+ YOE5+ MgmtMS or PhD in electrical/computer engineering; 10+ years wireless systems; 5+ years technical leadership; U.S. citizenship; background check/drug test.
C/C++, MATLAB, Python
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2mo
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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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5d
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Associate Principal/Principal, Building Technology
Los Angeles, California, United States
$214k-$273k/yr OnsiteFull Time
Simpson Gumpertz & Heger
Simpson Gumpertz & Heger: Engineering firm specializing in structural design and building enclosures.
15+ YOEBachelor's degree in architecture, engineering, or architectural engineering; 15+ years' experience; California PE or RA required; complex project leadership, business development, client management, mentoring, communication, and travel required.
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2mo
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Principal Noise Consultant
Cambridge or Philadelphia or Fairfax or Los Angeles or Chicago or Houston or Charlottesville or Huntsville
$115k-$145k/yr HybridFull Time
Acentech
Acentech: Provides acoustics, vibration, and audiovisual consulting for buildings.
5+ YOESenior- to principal-level acoustics consultant with 5+ years in environmental noise; degree in engineering/science with acoustics/vibration focus; strong project management, communication, and field/measurement experience.
CadnaA
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