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Test Automation Jobs in California (NOW HIRING)

KLA

Software Engineer - Test Automation

Milpitas, CA · On-site

$52.50 - $69.25/hr

The company is seeking a highly skilled Software Engineer in Test Automation to design, build, and scale code-driven automation across UI, REST/API, and system-level automation for semiconductor ...

Goken

Test Automation Engineer - PCBA

Costa Mesa, CA · On-site

$70 - $90/hr

This role as a Test Automation Engineer is responsible to design and deliver test systems for aerospace electronic products. This person will work with the test of the organization to identify gaps ...

HADRIAN

Test Automation Engineer

Torrance, CA · On-site

$150K - $250K/yr

The Role As a Test Automation Engineer, you will own comprehensive test engineering for Special Projects hardware from early bring-up through production ramp. You will define what gets tested, where ...

Karl Storz GmbH & Co. KG

Test Automation Engineer IV

Goleta, CA · On-site

$49.75 - $65.50/hr

About the Role We are seeking a Senior Test Automation Engineer to lead the design and implementation of scalable automated verification solutions across complex systems and software platforms. This ...

HADRIAN

Test Automation Engineer

Torrance, CA · On-site

$250K/yr

The Role As a Test Automation Engineer, you will own comprehensive test engineering for Special Projects hardware from early bring-up through production ramp. You will define what gets tested, where ...

Forhyre

Test Automation Lead

San Francisco, CA

We are looking for a Test Automation Lead to assess software quality through manual and automated testing. You will be responsible for finding and reporting bugs and glitches. In this role, you ...

Forhyre

Test Automation Lead

Sunnyvale, CA

We are looking for a Test Automation Lead to assess software quality through manual and automated testing. You will be responsible for finding and reporting bugs and glitches. In this role, you ...

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How much do test automation jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for test automation in California is $50.61, according to ZipRecruiter salary data. Most workers in this role earn between $43.65 and $57.64 per hour, depending on experience, location, and employer.

What is test automation?

Test automation is the use of software tools and scripts to automatically execute tests on software applications, reducing the need for manual testing. This approach helps increase test coverage, speed up the testing process, and improve the accuracy and reliability of results. Automated tests can be run repeatedly and are especially useful for regression, performance, and load testing. Test automation is commonly used in agile and DevOps environments to ensure continuous delivery and integration.

What is the difference between Test Automation vs QA Tester?

AspectTest AutomationQA Tester
Primary RoleDesigns, develops, and maintains automated testing scripts and frameworksPerforms manual testing, identifies bugs, and ensures product quality
Skills & CertificationsKnowledge of scripting languages, automation tools, and testing frameworksUnderstanding of testing methodologies, attention to detail, and basic testing certifications
Work EnvironmentTypically works with automation tools in a software development settingConducts manual tests in various testing phases
Industry UsageCommon in Agile and DevOps environments for continuous testingUsed across industries for manual quality assurance processes

While Test Automation focuses on creating automated tests to improve efficiency, QA Testers perform manual testing to identify issues. Both roles are essential for ensuring software quality but differ in approach and skill set.

Is test automation a good career?

Test automation is a viable career path for those interested in quality assurance and software development, involving skills in scripting, testing tools, and programming languages like Java or Python. It offers opportunities for growth, specialization, and working in various industries, with demand increasing as companies prioritize automated testing to improve efficiency.

What are the key skills and qualifications needed to thrive as a test automation engineer?

To thrive as a Test Automation Engineer, you need a solid understanding of software testing principles, programming languages (such as Java, Python, or C#), and experience with automated testing frameworks, often supported by a degree in computer science or a related field. Familiarity with tools like Selenium, Jenkins, and version control systems, as well as ISTQB certification, is highly beneficial. Strong analytical thinking, problem-solving abilities, and effective communication help you collaborate with development teams and ensure comprehensive test coverage. These skills are crucial for improving software quality, accelerating release cycles, and reducing manual testing effort.

What are some common challenges faced by professionals in test automation roles, and how can they be overcome?

Test Automation professionals often encounter challenges such as maintaining test scripts when applications change, ensuring test coverage across different platforms, and integrating automated tests into CI/CD pipelines. To address these, it's important to write modular, reusable test scripts, stay updated with application changes, and collaborate closely with developers and DevOps teams. Utilizing robust testing frameworks and continuous learning can also help professionals adapt to evolving technologies and requirements.
What are the most commonly searched types of Test Automation jobs in California? The most popular types of Test Automation jobs in California are:
What cities in California are hiring for Test Automation jobs? Cities in California with the most Test Automation job openings:
Test Automation jobs near you
Infographic showing various Test Automation job openings in California as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 12% Part Time, 4% Contract, and 1% Nights. Highlights an 92% Physical, 1% Hybrid, and 7% Remote job distribution, with an average salary of $105,259 per year, or $50.6 per hour.

Software Engineer - Test Automation

KLA

Milpitas, CA • On-site

$52.50 - $69.25/hr

Full-time

Re-posted 11 days ago

Job description

Job Summary:
KLA is a global leader in diversified electronics for the semiconductor manufacturing ecosystem. The company is seeking a highly skilled Software Engineer in Test Automation to design, build, and scale code-driven automation across UI, REST/API, and system-level automation for semiconductor products.
Responsibilities:
• Develop and maintain automated UI test suites for Windows desktop applications using existing UI automation approaches and improve stability/maintainability of UI automation assets.
• Design reusable UI automation components (object repositories/wrappers) to simplify maintenance and enable scalable UI test development.
• Create and maintain automated tests for REST interfaces and service integrations; apply API testing tools and automation frameworks where appropriate
• Support/extend API test coverage initiatives and improve pipeline signal quality (notifications, dashboards, and regression enablement).
• Own end-to-end automated validation for key features, including system workflows where software interacts with hardware/instrumentation; balance automation with targeted manual testing as needed for hardware-integrated scenarios.
• Collaborate with multi-functional team members across engineering, algorithms, systems, hardware, applications, and manufacturing to plan and execute test strategy aligned to releases.
• Build automation and infrastructure that supports complex environments (bench/tool), including scenarios that are hardware-related and require focused validation.
• Lead test planning, test strategy execution, and collaborate with team members across engineering, algorithms, systems, hardware, marketing, applications, and manufacturing teams.
• Build systems that involve databases and our in-house automated testing framework.
• Use intelligent algorithms, e.g. LLM, and business logic to find the root cause of software failures. Present them in an actionable manner through Power BI, dashboards, and other reporting and graphing tools.
Qualifications:
Required:
• 6+ years of hands-on experience in software engineering and test automation
• Proficiency in C++, C#, Java, Python or R
• Experience with TensorFlow, PyTorch, Keras, or similar machine learning frameworks
• Strong skills in SQL, NoSQL databases, and data preprocessing
• Solid understanding of algorithms, data structures, machine learning models, and statistical methods
• Deep understanding in profiling, scaling and tuning of relational (such as SQL Server) and non-relational databases (such as Redis, MongoDB)
• Understand system-level requirements and translate them into good software design
• Solid understanding in computer architecture, design patterns, UI frameworks, and API design
• Self-starter and quick learner who adapts to dynamic schedules, evolving requirements, and multi-functional work in a complex semiconductor environment
• Strong written and verbal communication skills
• Doctorate (Academic) Degree and 0 years related work experience; Master's Level Degree and related work experience of 3 years; Bachelor's Level Degree and related work experience of 5 years
Preferred:
• Knowledge with technologies like Kafka, Kubernetes, MySQL, Hadoop, BigQuery and other open-source databases
• Experience with Continuous Integration tools and process—Jenkins
• Experience with REST API testing tools and automation frameworks—Postman/RestSharp
Company:
Kla creates tools and services that promote innovation in the electronics industry. Founded in 1975, the company is headquartered in Milpitas, USA, with a team of 10001+ employees. The company is currently Late Stage.

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