Electronic Control Unit Test Engineer

Job overview

The Electronic Control Unit (ECU) Test Engineer role is onsite in Mount Vernon, WA. The stated salary range is $80,800–$120,800 annually. Global PACCAR Electronics develops vehicle controls, display systems, and autonomous technologies for Kenworth, Peterbilt, and DAF. The engineer validates ECU software through hardware-in-the-loop testing, improving software quality and test coverage while helping product development teams deliver reliable systems to program schedules, budgets, and customer expectations.

What you'll do

• Develop, execute, and maintain test plans and cases
• manage testing activities and report progress
• collaborate with software, electrical, control systems, IT, and test engineering teams to troubleshoot and integrate systems
• improve automation, test efficiency, and quality assurance practices.

What we're looking for

Skills & competencies

ecu testing

hardware-in-the-loop

software validation

test engineering

mount vernon wa

paccar

vehicle electronics

test automation

$80,800–$120,800/year

travel up to 10%

Work arrangement

• Weekend coverage required

Benefits & perks

• 401(k) with up to 5% company match, funded pension, paid vacation and holidays, sick time, tuition reimbursement, medical, dental and vision plans, FSA/HSA, disability programs, life insurance, EAP services, and holiday gift eligibility.

Why this role

Travel up to 10%, including internationally, is required. The role is not eligible for work authorization sponsorship.

About the employer

PACCAR Inc is hiring for this role. Industry: Automobile and Light Duty Motor Vehicle Manufacturing. Sector: 33.