principal test engineer Jobs in california

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Test Engineer (Mechanical)

General Matter

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 for our shared future, from generating clean energy at scale to forging energy security, both for today and for the century ahead. Progress is an engine. We make its fuel. With nuclear energy powering the next wave of American progress, we're ensuring our country has the resources and technology it needs, no matter what's happening around the world. We're backed by

Senior System Test Engineer

NVIDIA Corporation

Santa Clara, California, USA

Full-time

We are looking to hire a System Test Engineer who will work in the test solutions group at NVIDIA developing manufacturing test solutions for Datacenter products. Through HW and SW expertise, you will explore challenging areas of test coverage and test automation to find the right solutions. NVIDIA has continuously reinvented itself over two decades. Our invention of the GPU in 1999 sparked the growth of the PC gaming market, redefined modern computer graphics, and revolutionized parallel comput

Engineer for Tactical Data Link Test and Evaluation - Secret clearance, San Diego, CA

General Dynamics

San Diego, California, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Digital Communications, Electrical Engineering, Electronics, Link 16, Test Planning Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Systems Engineer - Tactical Data Link Test and Evaluation Transform technology in

Manual Test Engineer-Semiconductor equipment Remote Location

Sierra Business Solution LLC

Remote

Contract, Third Party

Bloomington MN Job Description: >> Strong Semiconductor Equipment Experienced (5+ years) engineers >> Rich experience in Test cases generation, Manual testing on Tool Product with Smoke test, Regression test, Stress test + Deadlocks >> Factory Automation with SECSGEMEDA experience mandatory >> Role based GUI Testing, System Interlock Testing Mandatory >> Good at manual testing of Windows based applications and integration testing of complex system >> Recipe Management and Wafer MovementSchedul

Senior Avionics Test Systems Engineer, HITL

Relativity Space

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

Early Career Test Engineer

Gainwell Technologies LLC

Roseville, California, USA

Full-time

Great companies need great teams to propel their operations. Join the group that solves business challenges and enhances the way we work and grow. Working at Gainwell carries its rewards. You'll have an incredible opportunity to grow your career in a company that values your contributions and puts a premium on work flexibility, learning, and career development. Summary Your role in our mission Essential Job Functions Participates and assists with testing, troubleshooting and analysis tasks on

Integration & Test Engineer II, Second Shift

Relativity Space

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

Sr. Staff CPU Software Test Engineer

Qualcomm Technologies

Santa Clara, California, USA

Full-time

Company: Qualcomm Technologies, Inc. Job Area: Engineering Group, Engineering Group > Software Engineering General Summary: As a leading technology innovator, Qualcomm pushes the boundaries of what's possible to enable next-generation experiences and drives digital transformation to help create a smarter, connected future for all. As a Qualcomm Software Engineer, you will design, develop, create, modify, and validate embedded and cloud edge software, applications, and/or specialized utility p

Senior Test Development Software Engineer - Aerial

NVIDIA Corporation

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

Sr Avionics RF Test Engineer

Relativity Space

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

Hardware Test Engineer

Cisco Systems, Inc.

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

Senior Photonics Test Engineer

NVIDIA Corporation

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.

Senior Electronics Test Engineer

Form Energy

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

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

Tesla Motors

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

Product Test Engineer

Cisco Systems, Inc.

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

Senior Systems Test Engineer

Viasat, Inc.

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

Avionics Test Engineer II

Relativity Space

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

SDET, Software Development Engineer in Test Graduate (TikTok Eng Test-Intelligent Creation) - 2026 Start (BS/MS)

TikTok

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A232877 Apply to this job Share this listing: Responsibilities The centralized Testing team for TikTok provides support for multiple service component value chains. In this role, team members have the opportunity to validate, automate, develop and manage the complex challenges of scale with your expertise in large-scale systems. We are looking for talented individuals to join our team in 2026. As a graduate, you will get opportuniti

SDET, Software Development Engineer in Test Graduate (TikTok Eng Test-PGC) - 2026 Start (BS/MS)

TikTok

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A08494A Apply to this job Share this listing: Responsibilities The centralized Testing team for TikTok provides support for multiple service component value chains. In this role, team members have the opportunity to validate, automate, develop and manage the complex challenges of scale with your expertise in large-scale systems. We are looking for talented individuals to join our team in 2026. As a graduate, you will get opportuniti

SDET, Software Development Engineer in Test Graduate (TikTok Eng Test-BRIC) - 2026 Start (BS/MS)

TikTok

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A246389 Apply to this job Share this listing: Responsibilities The centralized Testing team for TikTok provides support for multiple service component value chains. In this role, team members have the opportunity to validate, automate, develop and manage the complex challenges of scale with your expertise in large-scale systems. We are looking for talented individuals to join our team in 2026. As a graduate, you will get opportuniti