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37 principle developer jobs at 29 companies in Thousand Oaks, CA

1mo
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Principal Engineer Circuit Design /Senior Principle Engineer Circuit Design
Manhattan Beach or Redondo Beach
$114k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEBachelor's degree in STEM with 5+ years (or advanced degree with fewer years), experience designing and testing analog and power circuits, proficiency with PSpice/Simplis/Simetrix/LTSpice and MathCAD, knowledge of control systems, and ability to obtain Top Secret/SCI clearance.
PSpice, Simplis, Simetrix, LTSpice, MathCAD, Earned Value Management Systems
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2w
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Design Engineer, Core Snapchat
Los Angeles or Santa Monica
$209k-$313k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
6+ YOE6+ years post-degree software development experience, iOS development (Objective-C/Swift), rapid functional prototyping, product strategy experience, BS/BA in technical field or equivalent, strong communication and problem-solving.
iOS, Objective-C, Swift, Figma, Sketch, Framer, Origami, Principle, AI
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2w
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Design Engineer, Core Snapchat
Los Angeles or Santa Monica
$209k-$313k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
6+ YOE6+ years software development experience, iOS (Objective-C/Swift) expertise, rapid mobile prototyping, product strategy experience, strong communication and problem-solving skills.
iOS, Objective-C, Swift, AI, Figma, Sketch, Framer, Origami, Principle
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1mo
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Front-End/UI Engineer – Egofold (Junior to Mid-Level)
Culver City, California, United States
$100k-$150k/yr HybridFull Time
Snail Games
Snail GamesNasdaq: SNAL: Develops and publishes interactive video game entertainment.
Proficiency with modern front-end frameworks (React, Vue), JavaScript/TypeScript, frontend architecture, UX principles, and experience with real-time or interactive systems.
React, Vue, JavaScript, TypeScript
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3w
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Sr Engineer
Thousand Oaks, California, United States
$115k-$156k/yr OnsiteFull Time
Amgen
AmgenNASDAQ: AMGN: Develops and manufactures biotechnology medicines for serious diseases.
Provide technical leadership for parenteral drug product process design, characterization, tech transfer and pilot-plant operations; apply scientific and engineering principles; support GMP manufacturing and cross-functional teams.
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1w
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Staff Radar Systems Development Engineer
El Segundo or Hawthorne or Los Angeles or Washington or San Francisco or Seattle or London
$110k-$240k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
10+ YOEBachelor's in STEM or equivalent,10+ years radar systems experience,expertise in radar principles,signal processing,DSP,RF systems,algorithm development,data analysis;proficiency with Python/MATLAB;ability to lead tests and mentor engineers.
C++, Python, MATLAB, FPGAs, DSPs
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2mo
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HWS Engineer
Port Hueneme, California, United States
OnsiteContract
Engineering Services Network
Engineering Services Network: Defense contractor delivering engineering and technical services.
3+ YOE3-5 years engineering experience; BS in Engineering; strong engineering principles; system design experience; software/tool proficiency; problem-solving; teamwork; ability to manage multiple projects.
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3w
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Manufacturing Engineer
Torrance, California, United States
OnsiteFull Time
Helicon
Helicon: Building autonomous factories to mass produce composite fiber parts.
Strong engineering fundamentals and first-principles physics, experience with tooling for robotic/industrial applications, sensor and mechanical integration, composites and hydraulic press processes, and customer-facing work. ITAR eligibility required.
Argos
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3d
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Product Development Engineer I
El Segundo, California, United States
$75k-$87k/yr OnsiteFull Time
Mattel
MattelNASDAQ: MAT: Designs, manufactures, and markets toys and family entertainment franchises.
BA/BS in engineering preferred or equivalent experience; fundamental engineering principles; knowledge of plastics, textiles, manufacturing; experience with SolidWorks or Creo; understanding of statistics; growth mindset.
SolidWorks, Creo
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2w
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Sr Quality Engineer (Aerospace)
Torrance, California, United States
$95k-$117k/yr OnsiteFull Time
Howmet Aerospace
Howmet AerospaceNYSE: HWM: Manufactures high-performance metal components for aerospace and transportation.
6+ YOEBachelor's in STEM, minimum 6 years quality experience in production/manufacturing, US work authorization required, experience with root cause analysis and quality engineering principles.
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2mo
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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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1mo
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Staff Vehicle Engineer
Playa Vista, California, United States
$161k-$221k/yr OnsiteFull Time
Inversion Space
Inversion Space: Building autonomous re-entry vehicles for global space-to-Earth cargo delivery.
8+ YOEBachelor's in relevant engineering or equivalent experience, typically 8+ years in aerospace vehicle design and integration; proficiency in CAD; strong first-principles background across structures, thermal, avionics, GNC; excellent communication.
CAD
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1w
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Senior Electrical Engineer | Ontario, CA
Ontario or Los Angeles
$130k-$150k/yr HybridFull Time
IMEG
IMEG: Provides engineering design and consulting for buildings and infrastructure.
7+ YOEPE license, BS in Electrical Engineering, 7+ years building design consulting experience, proficiency in electrical engineering principles, specifications, mentoring, client communication, and design quality control.
eSPECS, Adobe, Bluebeam Revu, Microsoft Word, Microsoft Excel, Microsoft Outlook, MEG, NFPA Link, TechStreet, MadCAD, Facility Guideline Institution (FGI)
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3w
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Principal Electrical Engineer (Hardware Design)
Hawthorne, California, United States
$160k-$300k/yr OnsiteFull Time
Freeform
Freeform: Deploys autonomous AI-powered metal 3D printing factories.
15+ YOEBachelor's in electrical/computer engineering, 15+ years designing complex electrical hardware, experience as technical lead and system owner, strong EE fundamentals and first-principles problem solving.
FPGA, GPU
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1w
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Senior Harness Engineer I- Secret Clearance
Long Beach, California, United States
$130k-$170k/yr OnsiteFull Time
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
5+ YOEBachelor's in engineering, 5+ years electrical/avionics experience, active Secret clearance and ability to obtain TS/SCI, proficiency with harness design and electrical engineering principles.
Capital Essentials, NX, Teamcenter, JAMA
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4w
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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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1mo
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Systems Engineer (Radar/EW) - Level 4
Palmdale, California, United States
$126k-$218k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Bachelor's in engineering required; experience in systems engineering lifecycle, radar/EW principles, low observables, MBSE, strong communication; active Top Secret/SCI within 5 years and U.S. citizenship required.
Model-Based Systems Engineering (MBSE), Confluence, JIRA, CAMEO, CATIA V5, CATIA V6
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1w
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Senior Harness Engineer I- Secret Clearance
Long Beach, California, United States
$130k-$170k/yr OnsiteFull Time
Rocket Lab
Rocket LabNASDAQ: RKLB: Designs and builds launch vehicles and satellite systems.
5+ YOEBachelor's in engineering, 5+ years electrical/avionics experience, active Secret clearance with ability to obtain TS/SCI, proficiency with harness design and electrical engineering principles, experience with Capital Essentials, NX, Teamcenter, and JAMA.
Capital Essentials, NX, Teamcenter, JAMA
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Senior Reactor Systems Engineer
El Segundo, California, United States
$134k-$185k/yr OnsiteFull Time
Radiant
Radiant: Designs and manufactures portable, mass-produced nuclear microreactors.
4+ YOE4+ years engineering experience, expertise in hardware/software testing and operations, first-principles problem solving, background in regulated industries, ability to translate designs into DOE/NRC-compliant procedures, willing to work extended hours and travel 50–60%.
Python, UNIX
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4d
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Advanced Manufacturing Engineer Senior Advanced
Torrance, California, United States
$102k-$126k/yr OnsiteFull Time
Honeywell International
Honeywell InternationalNASDAQ: HON: Designs and manufactures technologies for aerospace, buildings, and industry.
Bachelor's in a technical field, experience in advanced manufacturing, lean principles, machining/welding/brazing/assembly, GD&T, data analysis/SPC, NX/CAD familiarity, strong problem-solving and continuous improvement skills.
NX, CAD
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