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# Software Integration & Test Engineer

- **Company:** PACCAR Inc
- **Location:** Bellevue, WA, United States
- **Experience:** Experienced
- **Salary:** $80,800 - $120,800
- **Contract:** Permanent contract
- **Skills:** Testing (Software), Automation of Tests, C++ (Programming Language), Spreadsheets, Code Reuse, Information Systems, Databases, Computer Engineering, Data Files, Text Processing, Embedded Software, HP Quality Centers, PC Tools, IBM Rational Software, Integrated Development Environments, Python (Programming Language), MATLAB, Systems Development Life Cycle, Software Tools, Rhapsody, Requirements Management, Software Engineering, Software Requirements Analysis, Software Systems, Systems Integration, Scripting, System-level Testing, Integration Tests, Information Technology
- **Published:** November 10, 2026
- **Apply:** https://www.careerbuilder.com/job-details/software-integration-test-engineer-bellevue-wa--2cc794f6-8460-422b-8fe6-25128764401f

## About the Role

Integration Testing, Software Testing, Integration Testing, Electronics, Software Testing, Software Engineering, Information Technology & Information Systems, Diesel Engine, Financial Services, Technical Leadership, Required

 * Bachelor's degree in Computer Engineering, Software Engineering, Electrical Engineering, Computer Science, or a related technical field.
 * 3+ years of software testing experience.
 * Strong willingness to learn and apply new software engineering quality processes, methodologies, and tools.
 * Ability to analyze, interpret, and work with software requirement specifications.
 * Effective team collaborator with strong communication and problem-solving skills.
 * Proficiency with common PC software tools (e.g., project management applications, word processing, flowchart/modeling tools, presentations, spreadsheets, databases).
 * Growth-oriented mindset with the ability to thrive in a results-driven environment.
 * Ability to travel up to 10%, including internationally.

Preferred

 * Proficiency in scripting languages such as Python.
 * Experience in automotive, commercial vehicle, or similar industry-related software development environments.
 * Hands-on experience with embedded software development using C++, MATLAB/Simulink, Kanzi, or IBM Rational Rhapsody.
 * Experience working with:
 * Test Management tools (e.g., HP Quality Center, IBM Rational QM)
 * Test Automation tools/environments (e.g., dSPACE)
 * Network and calibration tools (e.g., Vector CANalyzer/CANoe, ATI Vision)
 * Requirements Management platforms
 * Engineering knowledge of heavy-duty commercial truck systems and related regulations.

## Description

* Perform tests of embedded software using simulated environments per the design of the software for next-generation electronic control units.

Contribute to the resolution of defects as assigned.

 * Create, maintain, and execute test cases aligned with software requirements to validate integration of embedded software modules.
 * Verify defect fixes and perform final integration testing prior to hardware-in-the-loop or system-level testing.
 * Continuously assess testing effectiveness and recommend improvements by analyzing metrics and insights throughout the SDLC/STLC.
 * Design and implement test automation frameworks, harnesses, and reusable code libraries to streamline testing across multiple projects.
 * Develop automated test tools-including scripts, utilities, simulators, and data sets-to support robust and scalable test automation.
 * Execute automated test suites, analyze results, and document findings to support defect resolution and quality improvements.
 * Contribute to the creation and refinement of procedures, best practices, and standards that strengthen the reliability and quality of delivered software systems.