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Systems Integration Test Engineer Jobs in California

Involves working within established research systems. Design Requirements and specifications Plan ... Integration-, and Production- Tests, design and produce associated test tools, realize the ...

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Systems Integration Test Engineer information

See California salary details

$64.1K

$155K

$165.3K

How much do systems integration test engineer jobs pay per year?

As of Aug 21, 2026, the average yearly pay for systems integration test engineer in California is $154,986.00, according to ZipRecruiter salary data. Most workers in this role earn between $164,800.00 and $164,800.00 per year, depending on experience, location, and employer.

What does a systems integration test engineer do?

A Systems Integration Test Engineer is responsible for ensuring that different components of a system work together as intended. They design, plan, and execute tests that validate the integration of hardware, software, and network elements in complex systems. Their work helps identify and resolve compatibility or functionality issues before deployment. This role often involves collaborating with development, quality assurance, and engineering teams to ensure system reliability and performance.

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

To thrive as a Systems Integration Test Engineer, you need a solid background in systems engineering, software/hardware integration, and testing methodologies, often supported by a relevant engineering degree. Familiarity with test automation tools, scripting languages (such as Python or Bash), and requirements management systems is typically required. Strong analytical thinking, problem-solving ability, and clear communication skills help you collaborate effectively and troubleshoot complex integration issues. These skills ensure seamless system performance, timely defect identification, and successful deployment of integrated solutions.

What are common challenges faced by systems integration test engineers during large-scale project deployments?

Systems Integration Test Engineers often encounter challenges such as coordinating between multiple teams, managing complex dependencies, and ensuring compatibility among various hardware and software components. Large-scale deployments require robust test planning and adaptability, as unforeseen issues can arise when integrating different systems. Effective communication and problem-solving skills are crucial to address integration bugs quickly and to keep the project timeline on track. Collaborating closely with development, QA, and operations teams helps ensure a smooth integration and successful deployment.

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

AspectSystems Integration Test EngineerSoftware Test Engineer
CredentialsBachelor's in Engineering or Computer Science, certifications like ISTQBBachelor's in Computer Science or related field, ISTQB certification common
Work EnvironmentHardware and software integration labs, manufacturing environmentsSoftware development teams, testing labs, virtual environments
Industry UsageElectronics, aerospace, automotive, telecommunicationsIT, software development, app development
Common Search IntentUnderstanding roles in system integration and testingTesting software applications and features

The main difference is that Systems Integration Test Engineers focus on verifying the integration of hardware and software systems, ensuring components work together seamlessly. Software Test Engineers primarily test software applications for bugs and performance. Both roles require similar certifications and often work in overlapping industries, but their focus areas and environments differ.

Are systems integration test engineers in demand?

Systems integration test engineers are in high demand across industries such as aerospace, defense, and technology, as companies require thorough testing of complex systems. The role often requires knowledge of testing tools, scripting, and systems engineering, with job growth driven by increasing system complexity and automation needs.

What are popular job titles related to Systems Integration Test Engineer jobs in California?

For Systems Integration Test Engineer jobs in California, the most frequently searched job titles are:

What job categories do people searching Systems Integration Test Engineer jobs in California look for?

The top searched job categories for Systems Integration Test Engineer jobs in California are:

What cities in California are hiring for Systems Integration Test Engineer jobs?

Cities in California with the most Systems Integration Test Engineer job openings:

Infographic showing various Systems Integration Test Engineer job openings in California 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 $154,986 per year, or $74.5 per hour.

Integration & Test Engineer I/II

Rocket Lab Corporation

Long Beach, CA

$109K - $147K/yr

Full-time

Re-posted 13 days ago


Rocket Lab rating

9.2

Company rating: 9.2 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

4th of 72 rated aerospace companies


Job description

SPACE SYSTEMS 

At Rocket Lab, we're not just launching rockets - we're building the future of space. Our Space Systems team builds everything from complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space, like solar panels, flight software, star trackers, optical systems, separation systems, radios, and more. 

Our Space Systems team has enabled more than 1,700 missions, ranging from interplanetary exploration, in-space manufacturing to national security and defense initiatives. The team has built spacecraft, payloads, and components for missions to the Moon and Mars, working with partners including NASA, the Space Development Agency, and the U.S. Space Force. Whether it's a single high-performance spacecraft, constellation, or the vertically integrated components that help them get to space - our world class Space Systems team is empowering some of the boldest and most ambitious space missions.  

INTEGRATION & TEST ENGINEER I/II 

Based out of Rocket Lab's global headquarters in Long Beach, CA, the Integration & Test Engineer I/II is responsible for the development, test, and deployment of flight spacecraft systems, as well as the development, maintenance, and upgrading of the test systems for that hardware. You will support the Space Systems organization, with deliverables required for internal leadership, board of directors, and investors. 

(Please note: this position can be hired at the Integration & Test Engineer I or Integration & Test Engineer II level) 

WHAT YOU'LL GET TO DO: 

  • Lead and own integration and test campaigns at various levels of spacecraft development 
  • Work collaboratively with team members to define systems requirements, as well as verification and validation plans 
  • Develop acceptance, qualification, and R&D test plans for spacecraft systems 
  • Develop, maintain, and operate environmental test systems (Vibe, TVAC, Thermal, EMI, etc.) 
  • Develop and maintain mechanical and electrical ground support equipment and facilities 
  • Interface with ground test software and implement flight software configuration changes 
  • Lead investigations into anomalous vehicle behavior 
  • Interface with hardware-in-the-loop test systems 

QUALIFICATIONS YOU'LL BRING AS INTEGRATION & TEST ENGINEER I: 

  • US citizenship is required, due to program requirements 
  • Bachelor's degree in electrical, electronics, mechatronics, aerospace, or other engineering degree 
  • Engineering experience in the aerospace industry, as a test engineer or other hands-on engineering role 
  • Proficiency with C, C++, Python, or MATLAB; and Windows 10 and Microsoft Office products 
  • Experience in writing technical documentation, such as procedures, reports, and requirements 

QUALIFICATIONS YOU'LL BRING AS INTEGRATION & TEST ENGINEER II: 

  • US citizenship is required, due to program requirements 
  • Bachelor's degree in electrical, electronics, mechatronics, aerospace, or other engineering degree 
  • 2+ years of engineering experience in the aerospace industry, as a test engineer or other hands-on engineering role 
  • Proficiency with C, C++, Python, or MATLAB; and Windows 10 and Microsoft Office products 
  • Experience in writing technical documentation, such as procedures, reports, and requirements 

THESE QUALIFICATIONS WOULD BE NICE TO HAVE:  

  • Master's or PhD in electrical, electronics, mechatronics, aerospace, or other engineering degree 
  • Experience with environmental testing, such as thermal vacuum or random vibration testing 
  • 4+ years of professional experience as a test engineer in the aerospace industry 
  • Strong understanding of satellite subsystems (CDH, ADCS, EPS, and COMM) 
  • Experience working in a clean room and with ESD-sensitive equipment 
  • Hands-on experience using electrical test equipment (PSU, Oscilloscope, DMM, etc.) 
  • Exposure to designing and implementing test systems for electronics 
  • Understanding of sensors, signal conditioning and data acquisition electronics 
  • Familiarity with spacecraft harness design and best practices 
  • Experience with 3D CAD software, preferably NX 
  • Experience with RF testing and hardware-in-the-loop testing 
  • Basic knowledge of networking 
  • Experience with Linux systems 

ADDITIONAL REQUIREMENTS: 

  • Ability to travel up to 25%, both domestic and international, to support spacecraft integration and test activities
  • Sit at desk and operate computer, keyboard and office equipment for extended periods
  • Use hands with dexterity to operate controls, tools and technical equipment, as needed
  • Read technical documents, drawings, and computer screens requiring close and distance vision
  • Move between buildings, labs, and work areas, as needed
  • Work in office and technical environments with occasional exposure to noise, dust and fumes in production areas 

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