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Senior Software Engineer In Test Jobs in La Mirada, CA

K2 Space

Software Development Engineer in Test

Los Angeles, CA · On-site

$123K - $175K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

In your first year, you will own end-to-end test coverage across multiple spacecraft subsystems and lead HIL testing campaigns alongside flight software engineers, proving the software is ready to go ...

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 ...

West Advanced Technologies (WATI)

SDET

Los Angeles, CA · On-site

$54 - $69.50/hr

Hi We have urgent Opening for below position if any one interested Please send resume to manojkumar.a@wati.com Job Role: SDET Developer Job Location: Los Angles California Contract: Long Term ...

Paramount

Software Engineer (Java) in Test

Burbank, CA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Software Engineer (Java) in Test Team : Global Quality Engineering Location : New York City, Los Angeles, San Francisco Overview Paramount Skydance Corp. is seeking a Software Engineer in Test to ...

JS Consulting

Senior Software Engineer

Irvine, CA · On-site

$131K - $173K/yr

In this role, you will own and enhance a customized Android 5-based operating system used within a ... Create and maintain architecture docs, test plans, and traceability matrices. * Ensure ...

FOX News Network, LLC

Staff SDET

Los Angeles, CA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

As a Staff SDET, you will partner closely with Product, Engineering, Operations, and Delivery teams from the earliest stages of planning through production. You will ensure quality is designed into ...

Fox

Staff SDET

Los Angeles, CA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

As a Staff SDET, you will partner closely with Product, Engineering, Operations, and Delivery teams from the earliest stages of planning through production. You will ensure quality is designed into ...

Paramount

Senior Software Engineer

Burbank, CA · On-site +1

$124K - $186K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Senior Software Engineer - AI Tooling & Quality Engineering Platforms Team : Global Quality ... This is not an "in test" role - you will be building production systems, internal platforms, and ...

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Showing results 21-40

All JobsSoftware Engineer In Test JobsSenior Software Engineer In Test JobsSenior Software Engineer In Test Jobs in La Mirada, CA

Senior Software Engineer In Test information

See La Mirada, CA salary details

$22.7K

$126.7K

$165K

How much do senior software engineer in test jobs pay per year?

As of Aug 18, 2026, the average yearly pay for senior software engineer in test in La Mirada, CA is $126,717.00, according to ZipRecruiter salary data. Most workers in this role earn between $111,500.00 and $144,800.00 per year, depending on experience, location, and employer.

What is a senior software engineer in test?

Senior Software Engineers in Test are experienced professionals who design, develop, and implement automated testing frameworks and tools to ensure the quality and reliability of software products. They work closely with development and QA teams to identify testing needs, create robust test plans, and write automated scripts that validate software functionality. In addition to hands-on coding, they often mentor junior engineers, drive process improvements, and contribute to the overall testing strategy of the organization.

What are some typical challenges a senior software engineer in test faces when designing automated testing frameworks?

Senior Software Engineers in Test often encounter challenges such as integrating automated tests with complex, evolving codebases and ensuring tests remain reliable as features change. Balancing thorough test coverage with execution speed, especially in continuous integration environments, is another common concern. Additionally, collaborating with both development and QA teams to align on testing strategies and maintaining documentation for test frameworks are key responsibilities that require strong communication and adaptability.

What are the key skills and qualifications needed to thrive as a senior software engineer in test, and why are they important?

To thrive as a Senior Software Engineer in Test, you need a deep understanding of software development, test automation frameworks, and a background in computer science or a related field. Mastery of tools like Selenium, Jenkins, JUnit, and experience with CI/CD systems, as well as relevant certifications such as ISTQB, are typically required. Strong analytical thinking, problem-solving abilities, and effective communication skills set top candidates apart in this role. These skills are crucial for ensuring robust, scalable, and reliable software delivery in complex technical environments.

What is the difference between Senior Software Engineer In Test vs Software Development Engineer in Test?

AspectSenior Software Engineer In TestSoftware Development Engineer in Test
CredentialsBachelor's in CS or related field, experience in testing and automationBachelor's in CS or related field, strong coding skills, experience in testing
Work EnvironmentDesigning test strategies, automation frameworks, collaborating with development teamsDeveloping test tools, writing automated tests, integrating testing into CI/CD pipelines
Industry UsageCommon in tech companies, especially in QA and testing teamsWidely used in software development companies focusing on automation

The main difference is that Senior Software Engineer In Test often focuses on testing strategy and automation leadership, while Software Development Engineer in Test emphasizes developing testing tools and automation code. Both roles require strong coding skills and testing experience, but their focus areas differ slightly within the testing lifecycle.

What cities near La Mirada, CA are hiring for Senior Software Engineer In Test jobs?

Cities near La Mirada, CA with the most Senior Software Engineer In Test job openings:

Senior Software Engineer In Test jobs near you
Infographic showing various Senior Software Engineer In Test job openings in La Mirada, CA as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $126,717 per year, or $60.9 per hour.

Software Development Engineer in Test

K2 Space Corporation

Los Angeles, CA • On-site

$54 - $69.50/hr

Full-time

Re-posted 15 days ago

Job description

Job Summary:
K2 Space Corporation is building the largest and highest-power satellites ever flown, and they are seeking a Software Development Engineer in Test to enhance their flight software team's testing capabilities. The role involves designing and implementing automation frameworks, developing test infrastructure, and ensuring software quality for spacecraft systems.
Responsibilities:
• Design, develop, and own software test frameworks targeting K2’s flight software stack, including subsystems for propulsion, GNC, power, thermal, and communications
• Build and maintain automation tooling that integrates seamlessly into CI/CD pipelines, enabling fast and reliable flight software deployment
• Develop hardware-in-the-loop (HIL) and software-in-the-loop (SIL) test infrastructure in close collaboration with flight software engineers
• Create tooling for test execution, data collection, and anomaly triage that gives engineers clear, actionable signal
• Reduce flaky and nondeterministic tests; continuously improve coverage, pipeline reliability, and test execution speed
• Collaborate with flight software, avionics, and systems engineers to define test requirements, write test plans, and execute verification campaigns
• Analyze test results to identify and characterize failures, and drive resolution across the team
• Maintain documentation for test infrastructure, procedures, and hardware configurations
Qualifications:
Required:
• Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, Aerospace Engineering, or a related STEM field, or equivalent professional experience
• Experience building and maintaining test automation frameworks, not just executing tests written by others
• Experience with CI/CD systems (e.g., GitLab Pipelines, GitHub Actions, Jenkins) and version control (Git)
Preferred:
• Experience with hardware-in-the-loop (HIL) testbeds or embedded systems testing
• Experience testing avionics, spacecraft, robotics, autonomous vehicles, or other safety-critical hardware
• Rust programming experience, including embedded or no_std environments
• Knowledge of real-time operating systems (RTOS) or bare-metal embedded firmware
• Familiarity with aerospace communication protocols (RS-422/485, Ethernet, UART, SpaceWire, Ethernet)
• Experience with electronics test equipment: oscilloscopes, logic analyzers, power supplies
• Containerization experience (Docker, Kubernetes) for test environment management
• Experience with Embedded Linux
• Familiarity with shell scripting
Company:
Making previously impossible missions possible Founded in 2022, the company is headquartered in Torrance, USA, with a team of 51-200 employees. The company is currently Growth Stage.
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About K2 Space

Sourced by ZipRecruiter

Industry

Guided missile and space vehicle manufacturing

Company size

11 - 50 Employees

Headquarters location

Los Angeles, CA, US

Year founded

2022

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