Principal Test Engineer Jobs in California

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Product Test Engineer

Aduril Industries

•

Mountain View, 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 10 days ago | Updated 2 hours ago

Senior Systems Test Engineer

Qualcomm Technologies

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San Diego, California, USA

Full-time

Company: Qualcomm Atheros, Inc. Job Area: Engineering Group, Engineering Group > Systems Test Engineering General Summary: This individual independently plans, performs the moderately-defined responsibility for the testing and modifying of general systems-level software/hardware, specialized utility and/or hardware. Interprets wireless specifications. Designs test plans, scenarios, scripts, or procedures. Documents systems-level defects, using a bug tracking system, and report defects to deve
Posted 20 days ago | Updated 2 hours ago

Mechanical 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. MECHANICAL INTEGRATION & TEST ENGINEER (STARSHIELD) Integration and Test engineers are responsible for understanding every system on the satellite. Engineers on this team must have a working knowledge of design, schem
Posted 16 days ago | Updated 2 hours ago

Senior Product Test Engineer

Cisco Systems, Inc.

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San Jose, California, USA

Full-time

The application window is expected to close on 30/07/2025. 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 s
Posted 27 days ago | Updated 2 hours ago

Engine Systems & Test Team- Staff Combustion Device 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 42 days ago | Updated 2 hours ago

Senior Software Test Development Engineer - Deep Learning

NVIDIA Corporation

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Santa Clara, California, USA

Full-time

We are looking for a Software Test development engineer in NVIDIA's Deep Learning SWQA team. The position is in NVIDIA Deep Learning and AI Software Quality Assurance team that defines, develops and performs tests to validate robustness and measure the performance of NVIDIA's Deep Learning software and GPU Infrastructure for autonomous driving, healthcare, speech recognition, natural language processing, and a wide variety of other AI scenarios. We collaborate with multiple AI product teams to d
Posted 36 days ago | Updated 2 hours ago

Software Engineer, Hardware Test & Automation (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. SOFTWARE ENGINEER, HARDWARE TEST & AUTOMATION (STARSHIELD) Starshield leverages SpaceX's Starlink technology and launch capability to support national security efforts. While Starlink is designed for consumer and comm
Posted 16 days ago | Updated 2 hours ago

Test Engineer (Electrical)

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 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
Posted 13 days ago | Updated 2 hours ago

Engine Systems & Test Team- Principal Engine Systems Development 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 60+ days ago | Updated 2 hours ago

Systems Test Engineer

Leidos

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Vista, California, USA

Full-time

Leidos' Security Enterprise Solutions (SES) operation is seeking a Systems Test Engineer in Vista, CA to join our cross-functional engineering team using cutting edge technology to develop truly novel solutions that make travel and trade safer, healthier, and more efficient on a global level. As a member of the Leidos Security Enterprise Solutions (SES) team, you will be joining a diverse and dedicated group who are excited about producing industry leading screening technology. Our team produces
Posted 24 days ago | Updated 2 hours ago

Charging Solutions Test Senior Engineer

American Honda Motor Co., Inc.

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Torrance, California, USA

Full-time

What Makes a Honda, is Who makes a Honda Honda has a clear vision for the future, and it's a joyful one. We are looking for individuals with the skills, courage, persistence, and dreams that will help us reach our future-focused goals. At our core is innovation. Honda is constantly innovating and developing solutions to drive our business with record success. We strive to be a company that serves as a source of "power" that supports people around the world who are trying to do things based on
Posted 32 days ago | Updated 6 hours ago

Components Build and Test Engineer (Falcon)

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. COMPONENTS BUILD AND TEST ENGINEER (Falcon) The Propulsion Components team develops the most advanced launch vehicle components in the world. Our engineers serve as hardware experts for the flow control devices and me
Posted 23 days ago | Updated 2 hours ago

Internship, Test Equipment Mechanical Design Engineer, Cell Engineering (Winter/Spring 2026)

Tesla Motors

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Palo Alto, 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 3 days ago | Updated 2 hours ago

Test Engineer (Dragon Spacecraft)

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. TEST ENGINEER (DRAGON SPACECRAFT) Dragon currently delivers cargo and astronauts to the International Space Station. Future missions will ultimately seek to extend humanity's reach far beyond the earth and moon. Bring
Posted 8 days ago | Updated 2 hours ago

Staff Software Engineer - Test Engineering (Hybrid/Onsite)

Visa Inc.

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Remote or Austin, Texas, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe
Posted 59 days ago | Updated 2 hours ago

Test & Evaluation Engineer 4

Boeing Company

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El Segundo, California, USA

Full-time

This posting is for a contract assignment and is not a full-time employment offer with Boeing. Candidates selected for roles will be employed as contract workers through a Boeing approved 3rd party for the duration of the specified project. Work statement is a non-managerial role, non-leadership role. Regular and predictable attendance is required The Boeing Company is looking for an Senior Infrastructure Solution Architect Engineer to join our Space Systems Verification and Test team in El Se
Posted 15 days ago | Updated 2 hours ago

Electrical Engineer - Test Design

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 14 days ago | Updated 2 hours ago

Test Engineer, Materials Engineering

Tesla Motors

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Fremont, California, USA

Full-time

You will be an integral part of the Materials Engineering organization, pursuing our mission to deliver new materials and manufacturing processes that revolutionize Tesla's products and accelerate the world's transition to sustainable energy. As a Materials Test Engineer, you will lead materials-level testing, prototyping, characterization, test specification development, and failure analysis. The position will be based in Fremont (California, USA) at one of our three global Materials Engineerin
Posted 42 days ago | Updated 2 hours ago

Associate Test Engineer

KLA

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Milpitas, California, USA

Full-time

Company Overview KLA is a global leader in diversified electronics for the semiconductor manufacturing ecosystem. Virtually every electronic device in the world is produced using our technologies. No laptop, smartphone, wearable device, voice-controlled gadget, flexible screen, VR device or smart car would have made it into your hands without us. KLA invents systems and solutions for the manufacturing of wafers and reticles, integrated circuits, packaging, printed circuit boards and flat panel d
Posted 3 days ago | Updated 2 hours ago

Senior Engineer, Test

Shield AI Inc

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San Diego, California, USA

Full-time

Founded in 2015, Shield AI is a venture-backed defense technology company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices in San Diego, Dallas, Washington, D.C., Boston, Abu Dhabi (UAE), Kyiv (Ukraine), and Melbourne (Australia), Shield AI's technology actively supports U.S. and allied operations worldwide. For more information, visit Follow Sh
Posted 37 days ago | Updated 2 hours ago