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Jr Software Test Engineer Jobs in Brea, CA (NOW HIRING)

Masimo Wearables

Sr Engineer, Software Test

Irvine, CA · On-site

$117K - $152K/yr

Masimo Wearables is seeking a highly skilled Senior Engineer, Software Test to lead the design, development, and execution of test strategies for medical device systems. This role combines hands-on ...

Masimo

Sr Engineer, Software Test

Irvine, CA · On-site

$117K - $152K/yr

Masimo is seeking a highly skilled Senior Engineer, Software Test to lead the design, development, and execution of test strategies for medical device systems. The role involves hands-on system-level ...

auction

Sr. Test Automation Engineer

Irvine, CA · On-site

$49.50 - $65.25/hr

The Lead Software Test Engineer will design automation frameworks, enhance the testing tools sets and ensure the integration of automation best practices throughout the software development lifecycle.

Compunnel

SDET

Pasadena, CA · On-site

Job Summary The SDET will be responsible for designing, developing, and maintaining software test automation frameworks and supporting quality engineering initiatives. The role requires strong hands ...

New

SpaceX

Software Engineer, Components Test (Starshield)

Hawthorne, CA · On-site

$145K - $175K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SOFTWARE ENGINEER, COMPONENTS TEST (STARSHIELD) Starshield leverages SpaceX's Starlink technology and launch capability to support national security efforts. While Starlink is designed for consumer ...

SpaceX

Software Engineer, Components Test (Starshield)

Hawthorne, CA · On-site

$145K - $175K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SOFTWARE ENGINEER, COMPONENTS TEST (STARSHIELD) Starshield leverages SpaceX's Starlink technology and launch capability to support national security efforts. While Starlink is designed for consumer ...

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Showing results 21-40

All JobsJr Software Test Engineer JobsJr Software Test Engineer Jobs in Brea, CA

Jr Software Test Engineer information

See Brea, CA salary details

$48.2K

$97.9K

$147.1K

How much do jr software test engineer jobs pay per year?

As of Aug 13, 2026, the average yearly pay for jr software test engineer in Brea, CA is $97,932.00, according to ZipRecruiter salary data. Most workers in this role earn between $75,600.00 and $98,900.00 per year, depending on experience, location, and employer.

What is the difference between Jr Software Test Engineer vs Software Test Engineer?

AspectJr Software Test EngineerSoftware Test Engineer
Required CredentialsAssociate degree or relevant certification, basic testing knowledgeBachelor's degree in CS or related field, more experience
Work EnvironmentEntry-level testing teams, supervised tasksMore autonomous testing roles, complex projects
Employer & Industry UsageStartups, IT companies, software firmsEstablished companies, larger software development teams
Search & Comparison IntentEntry-level testing roles, career progressionMid-level testing positions, skill enhancement

The main difference between a Jr Software Test Engineer and a Software Test Engineer lies in experience, responsibilities, and independence. Jr Software Test Engineers are typically entry-level, focusing on basic testing tasks under supervision, while Software Test Engineers handle more complex testing activities with greater autonomy. Both roles are essential in software development, with the Jr role serving as a stepping stone to more advanced testing positions.

What job categories do people searching Jr Software Test Engineer jobs in Brea, CA look for?

The top searched job categories for Jr Software Test Engineer jobs in Brea, CA are:

What cities near Brea, CA are hiring for Jr Software Test Engineer jobs?

Cities near Brea, CA with the most Jr Software Test Engineer job openings:

Jr Software Test Engineer jobs near you
Infographic showing various Jr Software Test Engineer job openings in Brea, CA as of August 2026, with employment types broken down into 88% Full Time, 8% Part Time, and 4% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $97,932 per year, or $47.1 per hour.

Sr Engineer, Software Test

Masimo Wearables

Irvine, CA • On-site

$117K - $152K/yr

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

Job Summary:
Masimo Wearables is seeking a highly skilled Senior Engineer, Software Test to lead the design, development, and execution of test strategies for medical device systems. This role combines hands-on system-level testing with ownership of scalable automation frameworks to ensure product quality and regulatory compliance.
Responsibilities:
• Design and develop comprehensive test strategies, plans, and test cases for medical device systems
• Execute and oversee functional, integration, system-level, and performance testing
• Lead verification and validation (V&V) activities in compliance with regulatory standards
• Perform root cause analysis on defects and drive resolution with cross-functional teams
• Review requirements and system architecture to ensure testability and coverage
• Develop test reports, traceability matrices, and validation documentation
• Design, develop, and maintain scalable automated test frameworks and infrastructure
• Build automated test scripts using languages such as Python, C/C++, or similar
• Integrate automated testing into CI/CD pipelines to enable continuous validation
• Improve test efficiency, coverage, and reliability through automation and tooling
• Evaluate and implement new tools and technologies to enhance test capabilities
• Partner with software, hardware, systems, and quality teams to define test strategies and quality goals
• Support system integration, product bring-up, and troubleshooting efforts
• Collaborate with manufacturing and field teams on failure analysis and issue resolution
• Mentor junior engineers and provide technical leadership in test methodologies
Qualifications:
Required:
• Bachelor’s or Master’s degree in Computer Engineering, Computer Science, Biomedical Engineering, or related field
• 5+ years of experience in medical device testing, system validation, or software quality engineering
• Strong understanding of system-level testing across hardware, software, and integrated systems
• Experience with test automation frameworks and scripting (Python, C/C++, or similar)
• Solid knowledge of verification & validation processes and defect tracking systems
• Hands-on experience with lab equipment and system-level debugging
• Strong analytical and problem-solving skills
Preferred:
• Medical Device industry experience
• Background in Agile/Scrum development environments
• Experience with CI/CD systems and automated test pipelines
• Experience with Linux/Unix environments
• Background in both hardware and software system testing
• Experience mentoring or leading engineering efforts
Company:
The Masimo Freedom™ smartwatch empowers individuals to take control of their personal health through accurate and continuous health tracking. Founded in , the company is headquartered in , , with a team of 10001+ employees. The company is currently Late Stage.

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