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Test Engineering Jobs in California (NOW HIRING)

Apple

Test Engineering Lead

Sunnyvale, CA · On-site

$55.75 - $76/hr

The Product Operations Test Engineering team is a passionate, highly skilled, hard-working group of engineers from a diverse set of backgrounds, covering all aspects of inspection and test equipment ...

Flex Ltd.

Test Engineering Manager

Fontana, CA · On-site

$96K - $132K/yr

Reporting to the Director, Design & Engineering the Test Engineering Manager will be responsible for leading the team responsible for testing substation control house projects while meeting budgetary ...

Flex

Test Engineering Manager

Fontana, CA · On-site

$96K - $132K/yr

Reporting to the Director, Design & Engineering the Test Engineering Manager will be responsible for leading the team responsible for testing substation control house projects while meeting budgetary ...

Mytra

Manager, Systems Test Engineering

Brisbane, CA · On-site

$170K - $190K/yr

As a Manager of Systems Test Engineering at Mytra, you will be responsible for leading a team of systems test engineers in developing and executing systems validation and verification. This is a key ...

Sanmina

Production Test Engineering Manager

San Jose, CA · On-site

$100K - $120K/yr

Job Purpose The Production Test Engineering Manager will support production operations in integrate and test high complexity products while providing leadership to production teams executing the ...

Apple

Test Engineering Lead

Sunnyvale, CA

$144K - $218K/yr

The Product Operations Test Engineering team is a passionate, highly skilled, hard-working group of engineers from a diverse set of backgrounds, covering all aspects of inspection and test equipment ...

Joby Aviation

Flight Test Engineering Lead

Marina, CA · On-site

$188K - $242K/yr

Overview Joby Aviation is seeking a passionate and driven Flight Test Engineer Lead to join our flight test team. This role presents a unique opportunity to lead a highly talented team of flight test ...

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All JobsTest Engineering JobsTest Engineering Jobs in California

Test Engineering information

See California salary details

$74K

$112.8K

$150.5K

How much do test engineering jobs pay per year?

As of Jul 28, 2026, the average yearly pay for test engineering in California is $112,834.00, according to ZipRecruiter salary data. Most workers in this role earn between $98,700.00 and $126,800.00 per year, depending on experience, location, and employer.

What is the difference between Test Engineering vs Quality Assurance (QA) Testing?

AspectTest EngineeringQuality Assurance (QA) Testing
Primary FocusDesigning, developing, and executing test plans and automation scripts to validate productsVerifying that products meet quality standards through manual and automated testing
Work EnvironmentEngineering teams, development labs, automation toolsTesting labs, user environments, QA departments
Required CredentialsBachelor's in Engineering, Computer Science; knowledge of testing tools and scriptingBachelor's in Computer Science, Quality Management; familiarity with testing methodologies
Industry UsageUsed across software, hardware, and embedded systems industriesPrimarily in software development and IT sectors

Test Engineering focuses on creating and implementing testing processes and automation to ensure product functionality, while QA Testing emphasizes verifying that products meet quality standards through various testing methods. Both roles are essential in the product development lifecycle but differ in scope and responsibilities.

What are the key skills and qualifications needed to thrive as a Test Engineer, and why are they important?

To thrive as a Test Engineer, you need strong analytical skills, a background in engineering or computer science, and experience with software or hardware testing methodologies. Familiarity with automated testing tools (such as Selenium, JUnit, or LabVIEW), scripting languages, and test management systems is typically required. Attention to detail, problem-solving abilities, and effective communication distinguish top performers in this role. These skills ensure reliable product quality, efficient defect resolution, and clear collaboration across development teams.

What are some common challenges faced by test engineers, and how can they be effectively managed?

Test engineers often encounter challenges such as tight project deadlines, rapidly changing requirements, and the need to quickly learn new testing tools or technologies. Managing these challenges involves strong communication with development teams to clarify requirements, prioritizing testing tasks based on risk, and continuously updating one's skills. Collaborative work environments and agile methodologies can also help test engineers stay flexible and efficient, enabling them to deliver high-quality results even in fast-paced settings.

What is Test Engineering?

Test engineering is a field focused on designing, developing, and executing tests to ensure the quality and functionality of products, typically in software or manufacturing industries. Test engineers create testing plans, identify potential issues, and work closely with development teams to resolve defects before products reach customers. Their work is crucial in verifying that products meet specified requirements and industry standards. Test engineering can involve both manual and automated testing processes, depending on the nature of the product and the project requirements.
What are the most commonly searched types of Test Engineering jobs in California? The most popular types of Test Engineering jobs in California are:
What cities in California are hiring for Test Engineering jobs? Cities in California with the most Test Engineering job openings:
Test Engineering jobs near you
Infographic showing various Test Engineering job openings in California as of July 2026, with employment types broken down into 88% Full Time, 8% Part Time, and 4% Contract. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution, with an average salary of $112,834 per year, or $54.2 per hour.
Test Engineering Manager

Test Engineering Manager

Sterling Engineering Inc.

Fontana, CA

$130K/yr

Full-time

Posted 29 days ago

Job description

Electrical Test Engineering Manager
Fontana, CA (Onsite)

Up to $130,000 (negoitalbe) base salary + 10% bonus
Direct Hire

Overview
A global manufacturing organization is seeking an experienced Electrical Test Engineering Manager to lead electrical testing operations supporting the production of PDUs, switchgear, and enclosure-based power distribution systems for data center infrastructure.
This is a hands-on leadership role focused heavily on electrical testing execution, troubleshooting, and team management within a fast-paced manufacturing environment. The ideal candidate will come from a power equipment, switchgear, or substation testing background and have experience leading technical teams in high-power electrical manufacturing environments.

Key Responsibilities
  • Lead and manage a team of 8–10 test engineers and technicians
  • Oversee all electrical testing activities for enclosure-based power systems
  • Manage testing schedules and coordinate with Engineering and Production teams
  • Support final product testing and front-end panel testing activities
  • Provide technical guidance, troubleshooting support, and root cause analysis
  • Review and approve test procedures, reports, schematics, and documentation
  • Ensure compliance with electrical safety standards and testing protocols
  • Drive continuous improvement initiatives to improve testing efficiency and quality
  • Support hands-on functional and power testing when needed
Testing Scope Includes
  • Medium-voltage switchgear and breakers
  • Protective relays and relay panels
  • Power distribution systems within enclosures
  • Communication systems and HMIs
  • Panelboards and automatic transfer switches
  • HVAC and auxiliary electrical systems
Qualifications
  • 5+ years of experience in electrical or power equipment testing
  • Strong background in switchgear, relays, breakers, substations, or enclosure systems
  • Experience leading or managing test engineering or technician teams
  • Hands-on experience with AC/DC functional and power testing
  • Ability to troubleshoot complex electrical systems
  • Knowledge of NEC, IEEE standards, and electrical safety practices
  • Technical degree or equivalent experience in an electrical or power-related field
  • NETA certification is a plus
Why Apply?
  • Direct hire opportunity with a growing global manufacturer
  • Competitive compensation package with bonus potential
  • High-impact role supporting rapidly growing data center infrastructure projects
  • Strong leadership visibility and cross-functional collaboration
  • Opportunity to lead testing operations in a cutting-edge power manufacturing environment


Qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or genetic information.