Principal Test Engineer Jobs in California

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Senior Test Development Software Engineer - Aerial

NVIDIA Corporation

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Santa Clara, California, USA

Full-time

We are looking for someone to be passionate about quality assurance. You'll collaborate with multi-functional groups. Senior SWQA Test Development Engineers at NVIDIA aren't only manual testers, you write scripts to automate testing or build tools for QA team, so we can improve productivities or optimize test plan. We'd like to see your ability to identify weak spots and constantly craft better and creative test plans to break software and identify potential issues. You'll have a huge impact on
Posted 20 days ago | Updated 7 hours ago

Sr Avionics RF Test Engineer

Relativity Space

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Long Beach, California, USA

Full-time

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex
Posted 5 days ago | Updated 8 hours ago

Hardware Test Engineer

Cisco Systems, Inc.

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San Jose, California, USA

Full-time

The application window is expected to close on: 8/30/2025 Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received. Meet the Team We are a dynamic, energetic, and dedicated team on the product delivery of industry-leading switches and routers. Our team's hallmarks are collaboration, high quality, integrity, customer focus, and innovation! Your Impact You will be a pivotal new product development and sustaining team member. You will
Posted 13 days ago | Updated 8 hours ago

Senior Photonics Test Engineer

NVIDIA Corporation

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Santa Clara, California, USA

Full-time

NVIDIA has been transforming computer graphics, PC gaming, and accelerated computing for more than 25 years. It's a unique legacy of innovation that's fueled by great technology-and amazing people. Today, we're tapping into the unlimited potential of AI to define the next era of computing. An era in which our GPU acts as the brains of computers, robots, and self-driving cars that can understand the world. Doing what's never been done before takes vision, innovation, and the world's best talent.
Posted 9 days ago | Updated 7 hours ago

Senior Electronics Test Engineer

Form Energy

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Berkeley, California, USA

Full-time

Are you ready to build America's energy future? Form Energy is an American manufacturing and energy technology company. We're revolutionizing energy storage with cost-effective, multi-day technology designed to keep the electric grid secure and reliable, even during extended periods of stress. By strengthening the electric system and reimagining what's possible, we're giving clean energy a whole new form! In recent years, Form Energy has earned a number of accolades, including being named by TIM
Posted 11 days ago | Updated 8 hours ago

Internship, Electrical Test Engineer, Vehicle Engineering (Winter/Spring 2026)

Tesla Motors

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Fremont, California, USA

Full-time

Consider before submitting an application: This position is expected to start around January 2026 and continue through the Winter/Spring term (ending approximately May 2026) or continuing into Summer 2026 if available and there is an opportunity to do so. We ask for a minimum of 12 weeks, full-time and on-site, for most internships. Our internship program is for students who are actively enrolled in an academic program. entry level candidates seeking employment after graduation and not returnin
Posted 8 hours ago

Product Test Engineer

Cisco Systems, Inc.

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San Jose, California, USA

Full-time

The application window is expected to close on: 08/25/2025. Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received. Meet The Team As part of the team you will collaborate with ASIC design teams in the Central Hardware Group, peer Test and Product Engineers in Silicon Operations, and with Cisco Systems NPI teams. Collaborate with DFT, Reliability, Quality, Failure Analysis and Manufacturing teams to resolve silicon issues and support
Posted 6 days ago | Updated 8 hours ago

Test Engineer

Aziro Technologies LLC

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Palo Alto, California, USA

Contract

Job Title: Test Engineer Component to Vehicle-Level Testing Location: Palo Alto, CA & Long Beach, CA Employment Type: Contract (with potential for full-time conversion) Industry: Automotive / Electric Vehicles Job Summary: We are looking for experienced Test Engineers to plan, execute, and analyze structured and exploratory testing across component, subsystem, and vehicle levels for electric vehicle programs. Key Responsibilities: Collaborate with development teams to define test requirements.De
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Posted 50 days ago | Updated 30 days ago

Senior Systems Test Engineer

Viasat, Inc.

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Carlsbad, California, USA

Full-time

About us One team. Global challenges. Infinite opportunities. At Viasat, we're on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We're looking for people who think big, act fearlessly, and create an inclusive environment that drives positive impact to join our team. What you'll do As a member of Viasat's fast-paced Test Engineering Team wi
Posted 3 days ago | Updated 8 hours ago

Avionics Test Engineer II

Relativity Space

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Long Beach, California, USA

Full-time

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex
Posted 5 days ago | Updated 8 hours ago

Radio Frequency Test & Integration Engineer, Electronic Warfare

Aduril Industries

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Costa Mesa, California, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c
Posted 9 days ago | Updated 8 hours ago

Sr. Test Engineer, Cell Engineering

Tesla Motors

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San Diego, California, USA

Full-time

This role focuses on managing all aspects of cell testing for both development and production cells within the Cell Engineering team. The Sr. Test Engineer will collaborate closely with development and production teams, as well as cell program managers, to share test results, refine test methods, and discuss findings. Responsibilities include identifying and developing new cell testing schedules and techniques to validate performance and lifetime across various cell chemistries and use cases. Th
Posted 6 days ago | Updated 7 hours ago

Reliability Test Engineer

NVIDIA Corporation

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Santa Clara, California, USA

Full-time

At NVIDIA, we're not just building technology, we're transforming industries. From gaming and film to autonomous vehicles, robotics, and scientific research, our innovations are reshaping the way people interact with the world. Today, we're leading the charge at the intersection of Visual Processing, High-Performance Computing, and Artificial Intelligence. And we're just getting started. We are seeking a Test Engineer to join our Reliability Testing team in Santa Clara, CA. This role supports N
Posted 19 days ago | Updated 7 hours ago

Sr. Test and Validation Engineer

Rivian

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Torrance, California, USA

Full-time

About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it
Posted 13 days ago | Updated 8 hours ago

Senior Software and Cloud Test Engineer

Booz Allen Hamilton

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Remote

Full-time

Job Number: R0222559 Software and Cloud Test Engineer, Senior The Opportunity: We are looking for an experienced cloud and test engineer that will manage, administer, support, and enhance cloud environments, ensuring continuous improvement and rapid problem resolution in support of development, testing, deployment, and optimization of a large-scale cloud environment. Our team is developing a cloud native data mesh or data layer to support implementation of an agency-wide enterprise data strateg
Posted 21 days ago | Updated 8 hours ago

Test Engineer (GEB-SPOCK-Groovy)

Ryantech

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Remote

Contract

Job Title: Test Engineer (GEB-SPOCK-Groovy)Location: RemoteOpen to W2/1099/C2C Job Summary:We are seeking a skilled Test Engineer with strong hands-on experience in Groovy-based automation frameworks, including Geb and Spock, to develop and maintain scalable automated testing solutions. The ideal candidate should be experienced in UI and API automation, working in Agile environments, and proficient with CI/CD pipelines and cloud-based testing infrastructure. Must-Have Skills:Geb and Spock experi
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Posted 2 days ago | Updated 1 day ago

Senior Software Engineer in Test, Embedded

10x Genomics

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Pleasanton, California, USA

Full-time

About the role We're seeking a Senior Software Engineer in Test for our next generation Embedded Products. Our embedded software teams build devices that enable scientific researchers to make discoveries faster. This is a rare opportunity to work at the intersection of software, hardware, and science to make a real impact on the world, including accelerating research that cures diseases. You will be responsible for the quality and reliability of our upcoming Embedded products. You will work wi
Posted 47 days ago | Updated 8 hours ago

Senior Software Engineer in Test - Autonomous Vehicles

NVIDIA Corporation

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Santa Clara, California, USA

Full-time

At NVIDIA, we lead the charge in advancing ADAS technologies through our NVIDIA DRIVE platform. As we continue to grow, we are actively seeking an AV Software Validation Engineer with expertise in certification and NCAP rating testing to join our team. In this role, you will be responsible for the operation and implementation of tests, including those aligned with NCAP standards, utilizing our specialized AB Dynamics controllable soft targets and robotic equipment. Your duties will involve ensur
Posted 26 days ago | Updated 7 hours ago

Electrical Integration & Test Engineer (Starshield)

SpaceX

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Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. ELECTRICAL INTEGRATION & TEST ENGINEER (STARSHIELD) Electrical Integration and Test engineers are responsible for understanding every system on the satellite. Engineers on this team must have a working knowledge of de
Posted 2 days ago | Updated 8 hours ago

Software Engineer (Hardware Test & Automation)

General Matter

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Los Angeles, California, USA

Full-time

About the Company At General Matter, we're strengthening America's capacity in nuclear energy to create a new set of possibilities, from generating clean energy at scale to forging energy security. With nuclear energy powering the next wave of American progress, we're ensuring our country has the fuel it needs for the next generation of reactors, no matter what's happening around the world. We are backed by top tier investors. Our lean, world-class team of engineers and operators is applying a
Posted 9 days ago | Updated 8 hours ago