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Test Engineer Internship Jobs in California (NOW HIRING)

Qualcomm

#Systems SoC Test Engineer

San Diego, CA · On-site

Engineering Group, Engineering Group > Systems Test Engineering General Summary: *** This position ... Exceptional new graduates with relevant internship or project experience from the tech sector are ...

Marvell

Principal Test Engineer

Santa Clara, CA

As a Senior Level Test Engineer, you will spearhead the development of ATE test solutions for ... every stage - from internship to retirement and through life's most important moments. Our ...

Peak Energy

Lead Test Engineer

Sacramento, CA · On-site

$150K - $215K/yr

Lead Test Engineer, ESS Location: This role will be based in Sacramento, CA. During the first 3-6 ... includes relevant internships and student group projects * Strong understanding of ...

Peak Energy

Lead Test Engineer

Burlingame, CA

$150K - $215K/yr

Lead Test Engineer, ESS Location: This role will be based in Sacramento, CA. During the first 3-6 ... includes relevant internships and student group projects * Strong understanding of ...

Peak Energy

Lead Test Engineer

Sacramento, CA · On-site

$150K - $215K/yr

Lead Test Engineer, ESS Location: This role will be based in Sacramento, CA. During the first 3-6 ... includes relevant internships and student group projects * Strong understanding of ...

SpaceX

Electrical Test Engineer (Starshield)

Hawthorne, CA · On-site

$120K - $150K/yr

ELECTRICAL TEST ENGINEER (STARSHIELD) Starshield leverages SpaceX's Starlink technology and launch ... internships, and traditional professional experience all qualify) * 1+ years of programming ...

Peak Energy

Lead Test Engineer

Sacramento, CA · On-site

$150K - $215K/yr

Lead Test Engineer, ESS Location: This role will be based in Sacramento, CA. During the first 3-6 ... includes relevant internships and student group projects * Strong understanding of ...

SpaceX

Electrical Test Engineer (Starshield)

Hawthorne, CA · On-site

$120K - $150K/yr

ELECTRICAL TEST ENGINEER (STARSHIELD) Starshield leverages SpaceX's Starlink technology and launch ... internships, and traditional professional experience all qualify) * 1+ years of programming ...

SpaceX

Electrical Test Engineer (Starshield)

Hawthorne, CA · On-site

$120K - $150K/yr

ELECTRICAL TEST ENGINEER (STARSHIELD) Starshield leverages SpaceX's Starlink technology and launch ... internships, and traditional professional experience all qualify) * 1+ years of programming ...

Starpath

Test Engineer - Space Solar

Hawthorne, CA · On-site

$110K - $150K/yr

Bachelor's or advanced degree in aerospace, mechanical, electrical, materials, physics, or a related engineering or science discipline * 1+ years of hardware test engineering experience (internship ...

Amca

Mechanical Test Engineer

El Segundo, CA · On-site

$100K - $130K/yr

... internship and project team experience is applicable) * Strong understanding of engineering first ... Experience using test instrumentation and control components (e.g. pressure transducers ...

Motorola

Software Test Engineer

Los Angeles, CA

$36.06 - $43.27/hr

THE OPPORTUNITY The Software Test Engineer position reports to the Software Quality Assurance ... projects, internships, or personal work. * Fundamental understanding of computer networking ...

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How much do test engineer internship jobs pay per hour?

As of Aug 10, 2026, the average hourly pay for test engineer internship in California is $45.97, according to ZipRecruiter salary data. Most workers in this role earn between $34.42 and $58.37 per hour, depending on experience, location, and employer.

What does a test engineer internship do?

A test engineer internship involves assisting in the development and execution of test plans to evaluate software or hardware products. Interns learn to identify defects, document test results, and use testing tools and automation scripts under supervision, gaining practical experience in quality assurance processes.

What is a test engineer internship?

A Test Engineer Internship is a temporary, hands-on role where interns assist in testing software or hardware products to ensure quality and functionality. Interns typically work with test plans, execute test cases, document results, and report bugs. They may use automated or manual testing techniques and collaborate with developers to improve product performance. This internship provides valuable experience in debugging, quality assurance, and test automation. It helps build technical and analytical skills essential for a career in software or hardware testing.

What types of projects or tasks can I expect to work on during a test engineer internship?

As a Test Engineer Intern, you'll typically be involved in tasks such as writing and executing test cases, identifying software bugs, and helping automate testing processes to improve efficiency. You may collaborate closely with software developers and other testers to ensure features function as intended and meet quality standards. Interns often participate in regular team meetings, contribute to test documentation, and may even help design new testing frameworks or scripts. This hands-on involvement helps you build both technical and teamwork skills, offering valuable exposure to real-world product development cycles.

What are the key skills and qualifications needed to thrive in the test engineer internship position, and why are they important?

To thrive as a Test Engineer Intern, you generally need a foundation in computer science or engineering, analytical problem-solving skills, and familiarity with software development and testing principles. Experience with test automation tools (such as Selenium or JUnit), scripting languages, and version control systems is often beneficial, though not always required. Strong attention to detail, effective communication skills, and a willingness to learn new technologies help candidates stand out. These combined skills ensure accurate testing, clear reporting, and a smooth integration within engineering teams, which are critical for delivering high-quality products.

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Test Engineer Internship jobs near you
Infographic showing various Test Engineer Internship job openings in California as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 11% Part Time, 2% Temporary, 2% Contract, and 1% Nights. Highlights an 93% Physical, 1% Hybrid, and 6% Remote job distribution, with an average salary of $95,616 per year, or $46 per hour.

Electrical Integration & Test Engineer

Mesh Optical Technologies

Gardena, CA • On-site

$115K - $140K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 20 days ago

Job description

ELECTRICAL INTEGRATION & TEST ENGINEER
Mesh Optical Technologies was founded on the belief that optical photons will be at the center of advanced technologies in the coming century. Making advanced technology ubiquitous means building at scale, and that's exactly what we're doing at Mesh.
We are seeking an Electrical Integration & Test Engineer to own the electrical integration of production equipment, test systems, and development lab infrastructure. You will get deeply familiar with the electrical design of our products and production systems and are expected to participate in every step of the integration process-from line bring-up and debug through production ramp and sustained operation.
RESPONSIBILITIES
  • Own the electrical integration of production equipment, test systems, and workstations across manufacturing lines and development labs
  • Lead electrical bring-up, debug, and validation of new and modified production cells and test stations, resolving issues across power, signal, controls, and instrumentation boundaries
  • Own end-of-line test systems and development lab test assets, including their electrical hardware, cabling, instrumentation interfaces, and long-term operational reliability
  • Design, build, integrate, and maintain electrical test fixtures, cable assemblies, and hardware interfaces used for qualification, validation, and manufacturing
  • Define and maintain electrical interfaces between tools, instruments, fixtures, and factory infrastructure, including power distribution, grounding, and signal routing
  • Serve as front-line electrical engineering support for the production floor, troubleshooting electrical issues and driving rapid resolution
  • Evaluate proposed designs for electrical integration feasibility, providing feedback on connector access, cable routing, test point placement, and debug accessibility
  • Evaluate nonconformances and electrical failures to determine root cause and drive corrective action and system improvements
  • Drive test readiness for new product introductions, revisions, and production ramps
  • Interface with both engineers and technicians to optimize electrical integration, test, and automation workflows

QUALIFICATIONS
  • Bachelor's degree in electrical engineering, computer engineering, or a related engineering discipline
  • 1+ years of hands-on experience in electrical integration, test, hardware debug, or manufacturing (internships, co-ops, and substantive project experience qualify)
  • Experience with electrical schematics, wiring diagrams, and system-level electrical documentation
  • Hands-on experience with lab instrumentation (oscilloscopes, multimeters, logic analyzers, power supplies)
  • Strong electrical debugging and troubleshooting skills
  • Demonstrated engineering intuition, critical thinking, and comfort with ambiguity
  • Willingness to work extended hours and weekends as needed

PREFERRED EXPERIENCE
  • Experience with optical, RF, or high-speed electrical test equipment (e.g., VNAs, BERTs, optical power meters, high-bandwidth oscilloscopes)
  • Experience integrating or maintaining multi-station production test systems or factory automation equipment
  • Experience designing electrical test fixtures, probe interfaces, or cable assemblies
  • Familiarity with data acquisition systems, instrument control (GPIB, USB, Ethernet), or test automation frameworks
  • Scripting or programming experience (e.g., Python, LabVIEW) for instrument control, data collection, or test automation
  • Experience with PCB bring-up, board-level debug, or electrical validation workflows
  • Familiarity with power distribution, grounding practices, and signal integrity in production environments
  • Experience writing test plans, procedures, and providing go/no-go judgment and rationale
  • Experience working in Linux environments
  • Documentation and configuration management experience in a production environment

COMPENSATION AND BENEFITS:
Pay range:
Electrical Integration & Test Engineer: $115,000.00 - $140,000.00/per year
Title and base salary are determined on a case by case basis commensurate with experience and merit.
In addition to base salary, compensation for this role includes:
  • Eligibility for long-term incentives including company stock options and discretionary bonuses awarded for exceptional achievements.
  • Comprehensive medical, vision, and dental insurance with significant cost covered by the company for yourself and dependents.
  • Paid parental leave and flexible PTO (3 weeks accrued vacation and 10 company holidays per year).
  • 401(k) retirement plan access.
  • Relocation assistance to sunny Los Angeles.

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