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Systems Integration Test Engineer Jobs in California

Systems Integration and Test Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in 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 Jun 16, 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 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.

What are the key skills and qualifications needed to thrive as a Systems Integration Test Engineer, and why are they important?

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 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 June 2026, with employment types broken down into 84% Full Time, and 16% Contract. Highlights an 100% In-person job distribution, with an average salary of $154,986 per year, or $74.5 per hour.
Senior Systems Integration & Test Engineer

Senior Systems Integration & Test Engineer

Raytheon

Goleta, CA

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted yesterday


Raytheon rating

9.1

Company rating: 9.1 out of 10

Based on 81 frontline employees who took The Breakroom Quiz

3rd of 518 rated manufacturers


Job description

Date Posted:

2025-09-16

Country:

United States of America

Location:

CA601: Goleta (EW) Bldg H01 6380 Hollister Avenue Building H01, Goleta, CA, 93117 USA

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​

Security Clearance:

DoD Clearance: Secret

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. 

Are you passionate about turning innovative concepts into reality? Do you thrive in dynamic environments? Raytheon is seeking a talented and motivated Senior Systems Integration and Test Engineer to join our team within the Systems Engineering and Test Capabilities (SETC) Discipline, supporting various Electronic Warfare (EW) and Radar Warning Receiver (RWR) Systems.  This role offers a unique opportunity to work across the full lifecycle of the product, from concept to deployment.

Every day will bring new challenges, requiring you to collaborate across disciplines to troubleshoot issues, perform data analysis, and implement solutions. Your contributions will directly impact the success of mission-critical defense systems, and you'll have a hands-on role in ensuring the entire system functions seamlessly.

What You Will Do:

The Systems Integration & Test Engineer provides systems engineering and integration test support to assess, plan, coordinate, schedule and implement testing of projects from inception through system transition.

Problems and issues faced can fluctuate and require detailed information gathering, analysis and investigation to understand the problem and determine the appropriate resolution.

The following are expected but not limited to a Senior Systems Integration & Test Engineer - EW.

  • Generate test plans/procedures for assessing Electronic Warfare (EW) system performance

  • Generate test documentation for verification/acceptance of components, subsystems, and systems

  • Execute IV&V activities for multidisciplinary Integration and Test teams.

  • Execute in-house and off-site test activities for system demonstrations and/or system sell-off.

  • Brief senior program management and engineering leadership.

  • Test EW hardware and software builds.

Qualifications You Must Have:

  • Typically requires a Bachelor’s degree in Science, Technology, Engineering or Mathematics (STEM) discipline (preferably Systems Engineering, Electrical Engineering, Software Engineering or Physics) with a minimum of 5 years of related work experience

  • Experience with EW/Radar systems integration, verification, and validation

  • Experience preparing system/subsystem test documentation (e.g., plans, procedures, and reports)

  • Active and transferable U.S. government issued Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Qualifications We Prefer:

  • Experience writing requirements for EW/Radar system test events

  • Experience leading system test equipment and special test equipment development activities

  • Experience troubleshooting, testing, and integrating EW/Radar system test equipment

  • Experience modeling the performance of EW/Radar systems

  • Experience with millimeter and microwave RF at both the system and module levels

  • Experience with integration of mixed signal modules into the next higher assembly

  • Experience with security requirements related to government testing

  • Familiarity with Model-Based Systems Engineering (Cameo Enterprise Architecture), specifically using SysML. Flight Test experience

What We Offer:

  • Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.

  • Relocation Eligible – Relocation assistance available

Learn More & Apply Now!

  • Please consider the following role type definition as you apply for this role.

  • Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

The salary range for this role is 90,000 USD - 182,000 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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