HIL ECU Test Engineer — Vehicle Software Validation

PACCAR; Mount Vernon (WA); On-site; USD 71,000 - 106,000; Full time

Benefits offered by this job

401k with company match

Pension plan

Paid time off

Tuition reimbursement

Medical, dental, vision plans

Flexible spending account

Disability insurance

Life insurance

EAP services

Job summary

PACCAR Electronics in Mount Vernon, WA seeks an experienced ECU Test Engineer to validate ECU software through Hardware-in-the-Loop testing. You will partner with product development teams to drive software quality and ensure programs meet schedules and budgets.

Responsibilities include designing test plans, executing cases, expanding automation, and collaborating with software, electrical, and control teams to improve test coverage and reliability.

Qualifications

• Bachelor’s degree in engineering, CS, or related technical discipline.
• Able to manage multiple projects in a fast-paced environment.
• Excellent written and verbal communication skills.
• Willingness to travel up to 10%, including international.

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

Communication skills

Travel up to 10%

Education

Bachelor’s degree in engineering, CS, or related technical discipline

Job description

PACCAR Electronics in Mount Vernon, WA seeks an experienced ECU Test Engineer to validate ECU software through Hardware-in-the-Loop testing. You will partner with product development teams to drive software quality and ensure programs meet schedules and budgets.

Responsibilities include designing test plans, executing cases, expanding automation, and collaborating with software, electrical, and control teams to improve test coverage and reliability.