> Markdown version of [/jobs/ext/3802818-system-integration-and-test-engineer](https://www.wearedevelopers.com/jobs/ext/3802818-system-integration-and-test-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# System Integration and Test Engineer

- **Company:** PACCAR INC
- **Location:** Mount Vernon, WA, United States
- **Experience:** Experienced
- **Salary:** $80,800.0 - $120,800.0
- **Contract:** Permanent contract
- **Skills:** Computer Engineering, Software Debugging, Hardware-In-The-Loop Simulation, Requirements Management, Systems Integration, Test Scripts
- **Published:** October 17, 2026
- **Apply:** https://www.juju.com/job/1_paccarwinch-1448693933

## About the Role

skills + Ability to manage personal workload and willingness, flexibility, and initiative to respond to shifting time and project demands + Ability to travel up to 5%, including internationally Education BS Degree in Electrical Engineering, Computer Engineering, or related technical discipline Paccar Benefits As a U.S. PACCAR employee, you have a full range of benefit options including: + Competitive salary and 401k with up to a 5% company match + Fully funded pension plan that provides monthly benefits after retirement + Comprehensive paid time off - Minimum of 10 paid vacation days, 12 paid holidays, and sick leave + Tuition reimbursement for continued education + Medical, dental, and vision plans for you and your family + Flexible spending accounts (FSA) and health savings account (HSA) + Paid short-and long-term disability program + Life and accidental death and dismemberment insurance + EAP services including wellness plans, estate

## Description

Job Functions / Responsibilities + Integrate and verify system functionality with moderate scope, following established processes and procedures + Work with suppliers to ensure proper system integration of external ECUs + Develop, execute, maintain, and review test scripts for PACCAR vehicle systems based on requirements documentation + Analyze test results and provide detailed reports to stakeholders + Ensure compliance with quality standards and regulatory requirements in testing activities + Determine best testing methods using either Hardware-in-the-Loop (HIL) or vehicles + Configure HIL test setups, including selecting appropriate hardware and software components + Collaborate with cross-functional teams to ensure testing coverage of requirements + Independently troubleshoot and debug issues in test setups and test scripts Qualifications + 3+ years of relevant experience + Familiarity with quality assurance methodologies + Excellent written and verbal communication