ECU Test Engineer - HIL Testing for Truck Electronics

PACCAR; Mount Vernon (WA); On-site; USD 81,000 - 121,000; Full time

Benefits offered by this job

401k with up to a 5% company match

Fully funded pension plan

Comprehensive PTO - minimum of 10 paid

Tuition reimbursement

Medical, dental, and vision plans

Flexible spending account (FSA) and H

Disability programs

Life and accidental death and dismem

EAP services

Job summary

PACCAR Electronics is seeking an experienced ECU Test Engineer to validate software through Hardware-in-the-Loop testing at our Mount Vernon, WA location. You will partner with product development teams to drive software quality, improve test coverage, and ensure reliable systems that meet program schedules and customer expectations.

You will develop and execute test plans, collaborate across software, electrical, and control disciplines, and push for automation and process improvements while

Qualifications

• Bachelor’s degree in engineering, computer science, or a related technical discipline.
• 3+ years of relevant industrial experience.
• Ability to thrive in a fast-paced, results-driven environment, managing multiple projects and adapting to shifting priorities.
• Excellent written and verbal communication skills.
• Ability to travel up to 10%, including internationally.

Responsibilities

• Develop, execute, and maintain test plans and test cases to ensure full requirements coverage and high-quality software validation.
• Plan and manage testing activities within assigned domains, tracking progress and reporting status to stakeholders.
• Collaborate with cross-functional teams—including software development, electrical engineering, control system development, IT, and test engineering—to troubleshoot issues and ensure seamless integration.
• Continuously enhance testing processes by increasing automation, improving test efficiency, and implementing best practices for quality assurance.

Skills

Excellent written and verbal comms

Travel readiness (up to 10%, including

Fast-paced / results-driven work style

Project management under shifting pri-

Education

Bachelor’s degree in engineering, computer science, or a related technical discipline

Job description

PACCAR Electronics is seeking an experienced ECU Test Engineer to validate software through Hardware-in-the-Loop testing at our Mount Vernon, WA location. You will partner with product development teams to drive software quality, improve test coverage, and ensure reliable systems that meet program schedules and customer expectations.

You will develop and execute test plans, collaborate across software, electrical, and control disciplines, and push for automation and process improvements while