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Systems Test Engineer Jobs in California (NOW HIRING)

Lunar Energy

Systems Test Engineer

Mountain View, CA · On-site

$120K - $170K/yr

System Integration and Test Lead Engineer This role is on the front line of system integration between mechanical parts, electrical boards, low-level embedded firmware, and higher-level application ...

Qualcomm

Sr. Staff Systems Test Engineer

San Diego, CA · On-site

Engineering Group, Engineering Group > Systems Test Engineering General Summary: As an engineer you will provide technical leadership in defining and executing test validation strategies for next ...

Waymo

Systems Test Engineer, Sensing

Mountain View, CA · On-site

$196K - $242K/yr

Work with systems engineers, systems test engineers, software engineers, hardware engineers and external vendor teams to strategize on, create, standardize and optimize automated testing ...

HPTech Inc.

Systems Test Engineer

San Jose, CA · On-site

System Testing and Defect Triaging, ensuring that our processes are aligned with the best practices in the industry. * US driving experience to enhance the effectiveness of the tests. * Software ...

AeroVironment, Inc.

Systems Test Engineer I

Moorpark, CA · On-site

$66K - $101K/yr

Worker Type Regular Summary The System Test Engineer I develops and executes System Test Plans for small, unmanned air vehicles and missiles and their associated subsystems. Testing encompasses ...

AeroVironment

Systems Test Engineer I

Moorpark, CA · On-site

$66K - $101K/yr

Worker Type Regular Summary The System Test Engineer I develops and executes System Test Plans for small, unmanned air vehicles and missiles and their associated subsystems. Testing encompasses ...

Seek Thermal Inc.

Systems and Test Engineer

Goleta, CA · On-site

$145K - $175K/yr

As a Systems Test Engineer at Seek Thermal, you will lead the integration, verification, and test of thermal imaging systems--working across hardware, software, firmware, optical, and manufacturing ...

L3HHCM20

Lead, Systems Test Engineering

Carlsbad, CA

$127K - $236K/yr

Lead, Systems Test Engineer Job code: 38608 Job Location: Carlsbad, California Job Schedule: 9/80- employees work 9 out of 14 days, totaling 80 hours worked- and have every other Friday off L3Harris ...

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Systems Test Engineer information

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How much do systems test engineer jobs pay per hour?

As of Aug 9, 2026, the average hourly pay for systems test engineer in California is $62.67, according to ZipRecruiter salary data. Most workers in this role earn between $45.77 and $66.20 per hour, depending on experience, location, and employer.

What are some of the most common challenges faced by systems test engineers during multi-departmental projects?

Systems Test Engineers often encounter challenges when coordinating testing activities across multiple departments, such as software, hardware, and quality assurance teams. These challenges include ensuring effective communication, aligning testing schedules, and managing dependencies between components. Balancing thorough test coverage while meeting project deadlines can also be demanding. Proactively collaborating with cross-functional teams and adopting clear documentation practices can help mitigate these challenges and ensure smooth project execution.

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

AspectSystems Test EngineerSoftware Test Engineer
Primary FocusTesting entire systems, including hardware and software integrationTesting software applications and code
Required SkillsKnowledge of hardware, software, and systems integrationStrong programming, scripting, and software testing skills
Work EnvironmentOften in labs or manufacturing settings, involving hardwarePrimarily in office or remote environments, focusing on software
CertificationsISTQB, ISTQB Certified Tester, or similarISTQB, CSTE, or similar

While both roles involve testing, Systems Test Engineers focus on testing complete systems, including hardware and software integration, whereas Software Test Engineers concentrate on software applications and code quality. The roles share certifications and work environments but differ in scope and technical focus.

What is a systems test engineer?

A Systems Test Engineer is a professional responsible for designing, developing, and executing tests to ensure that complex systems and their components function correctly and meet specified requirements. They work closely with other engineering teams to identify issues, troubleshoot problems, and verify that all system integrations operate as intended. Systems Test Engineers often create test plans, develop automated test scripts, and document their findings to help improve product quality and reliability.

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

To thrive as a Systems Test Engineer, you need a solid understanding of test methodologies, system integration, and engineering principles, typically backed by a degree in engineering or computer science. Experience with automated testing tools (such as Selenium or JUnit), scripting languages, and familiarity with requirements management systems are commonly required. Strong analytical skills, attention to detail, and effective communication are essential soft skills for excelling in this role. These skills ensure rigorous testing, accurate defect identification, and seamless collaboration across multidisciplinary teams, leading to reliable and high-quality system deliveries.
What cities in California are hiring for Systems Test Engineer jobs? Cities in California with the most Systems Test Engineer job openings:
What are popular job titles related to Systems Test Engineer jobs in CA? For Systems Test Engineer jobs in CA, the most frequently searched job titles are:
Systems Test Engineer jobs near you
Infographic showing various Systems Test Engineer job openings in California as of August 2026, with employment types broken down into 85% Full Time, 9% Part Time, 5% Contract, and 1% Nights. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $130,361 per year, or $62.7 per hour.

Systems Test Engineer

Lunar Energy

Mountain View, CA • On-site

$120K - $170K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 29 days ago

Job description

System Integration and Test Lead Engineer
This role is on the front line of system integration between mechanical parts, electrical boards, low-level embedded firmware, and higher-level application logic. This is a highly technical role requiring experience with integrated hardware and embedded software. You will identify and solve cross-functional integration problems, and put in place hardware and software to perform automated system-level regression testing.
Lunar Energy was founded to transition homes to 100% clean energy-making our electricity greener, our air cleaner and our energy more safe, secure and reliable for all. We're a fast-growing, global company building the world's best clean energy products to electrify all homes and connect communities to form clean, resilient virtual power plants.
On a given day at Lunar, you'll likely...
  • Participate in designing new features, develop test cases.
  • Put together new hardware and firmware for the first time, instrument setups and perform manual tests and capture results.
  • Solve integration problems and create automated system-level regression tests.
  • Review firmware code and highlight limitations and add test cases and propose fixes.
  • Work side by side with your counterparts in EE, ME, FW, and Systems to release high-quality features with extensive regression testing.
  • Ensure the system meets its requirements and this behavior is robust across all corner cases
  • Work with team in root causing issues and perform tests to exercise limits
  • Define and implement hardware in the loop testing
  • Evaluate new tools and equipments to ease and improve testing.

Desired Skills:
  • Windows, Mac and Linux platform experience
  • Strong skills in Python related to scripts, control of devices etc.
  • Good understanding of C programming language in the interests of understanding device functionality.
  • At least a minimum understanding of CI/CD pipeline and data analysis tools (Jenkins, AWS, Grafana)
  • Ability to make things work, and a drive to break them
  • Demonstrated excellence in debugging complicated system-level behavior at the crossroads of electrical engineering and firmware
  • Outstanding written and verbal communication and the ability to smoothly work cross-functionally
  • A strong sense of ownership and responsibility towards delivering a great product.
  • Fluent in scripting/automation using Python
  • Experience with hardware in the loop testing
  • Able to read electrical schematics and device/component datasheets.
  • Experience with BMS, batteries, and power electronics desired
  • Experience with CAN, Wifi, Ethernet communications desired
  • BS in CS, EE, or equivalent

Benefits:
We're dedicated to creating a remarkable employee experience. At Lunar, competitive base pay is one part of our total compensation package. Lunar employees also have the opportunity to become Lunar shareholders by getting equity in a fast-growing company and participating in our employee stock program.
Additional benefits include:
  • Medical, dental, and vision insurance for employees and dependents
  • Flexible Paid Time Off plus 10 paid holidays
  • Tax deferred 401(k) plan
  • Paid parental leave for all full time employees including 12 weeks paid parental leave for the birthing mother and 6 weeks paid parental leave for the non-birthing parent
  • Subsidized EV charging and pre-tax commuter benefits

Our DE&I Philosophy: Lunar Energy is an equal opportunity employer. We are committed to attracting, developing and retaining diverse talent by supporting an inclusive workplace. Lunar recruits, hires, trains, promotes, compensates, and administers all personnel actions without regard to race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability status or any other status protected by applicable law.
Our Compensation Philosophy: Our goal is to ensure that all Lunar Energy employees are fairly compensated. Please note that the salary range information that follows is a good faith estimate for this position provided pursuant to the Pay Transparency for Pay Equity Act for California applicants. The salary range estimate for this position depending on level of experience is $120,000-$170,000 USD
The actual offer, reflecting the total compensation package & benefits, will be at the company's sole discretion, and determined by factors including but not limited to years of experience, job level, geographic location, and other relevant business considerations. The company also reserves the right to amend or modify this job description, employee perks, and benefits at any time.

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