Senior Embedded Application Software Engineer

PACCAR Inc; Kirkland (WA); On-site; USD 104,000 - 163,000; Full time

Job summary

PACCAR Inc. is seeking a Senior Embedded Application Software Engineer to lead development of embedded control software for autonomous vehicle technologies.

You will translate system requirements into software solutions, design and test modules, and ensure quality and regulatory compliance while collaborating with cross‑functional teams. The role emphasizes model‑based development with MATLAB/Simulink/Stateflow, debugging, testing, and integration across automotive software domains, including

Qualifications

• Bachelor’s degree in Electrical/Computer Engineering or Computer Science.
• 7+ years of embedded application software development experience.
• Strong proficiency with MATLAB/Simulink/Stateflow for MBSE.
• Experience with debugging, MIL/SIL/unit testing and scripting.

Responsibilities

• Develop embedded software models and ECUs for next‑gen vehicle control units.
• Lead software reviews to ensure best practices and quality.
• Collaborate with cross‑functional teams to derive software requirements.
• Test, validate, and integrate embedded software; manage version control.

Skills

Model-based development

MATLAB/Simulink/Stateflow

Debugging/Testing

Scripting (C, Python, CAPL)

CANoe/CANalyzer

Git/SVN/CI/CD

Autosar/ISO 26262

Vehicle networks CAN SAE J1939 LIN

Education

Bachelor’s degree in Electrical Engineering, Computer Engineering, Computer Science

Tools

Vector tools (CANoe/CANalyzer)

Job description

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Senior Embedded Application Software Engineer

Date: Aug 17, 2026

Company: PACCAR

The Senior Embedded Application Software Engineer is responsible for leading the development and delivery of embedded control systems for commercial autonomous vehicle technologies. This role collaborates closely with cross-functional stakeholders to design, develop, test, integrate, and maintain high-quality, reliable embedded software that enhances vehicle performance, safety, operational efficiency, and customer uptime. The engineer translates and interprets system requirements into effective software solutions through requirements analysis, architecture and design, coding, debugging, validation, and integration activities, ensuring deliverables meet quality, performance, and regulatory standards, supporting PACCAR’s innovation and product development goals.

About PACCAR

PACCAR, Inc. is a Fortune 500 company established in 1905 and is recognized as a global leader in the commercial vehicle, financial, and customer service fields. PACCAR is a global technology leader in the design, manufacture, and customer support of high-quality light-, medium- and heavy-duty trucks under its internationally recognized brands Kenworth, Peterbilt and DAF nameplates. PACCAR designs and manufactures advanced diesel engines and provides customized financial services, information technology and truck parts related to its principal business.

About Global PACCAR Electronics

The Global PACCAR Electronics organization supports Kenworth, Peterbilt, and DAF by transforming how control systems and vehicle software are developed for commercial vehicle applications. GPE designs next‑generation vehicle controls, display systems, and autonomous technologies that raise the bar for customer productivity and safety.

Whether on highways, construction sites, urban centers, or forest roads, PACCAR trucks are recognized for exceptional quality and performance. PACCAR Electronics is central to these product identities—delivering innovations from advanced PTO functionality to intuitive, high‑value digital displays. Join us as we grow and deliver PACCAR’s future in connectivity, cybersecurity, electrification, and autonomous systems.

Key Responsibilities

• Develop embedded software models using MATLAB/Simulink/State flow per design of the software for next-generation electronic control units
• Manage the source control and controlled release of software models to maintain schedule and functionality for projects
• Participate in the planning and tracking of validation and usability studies of vehicle software module functionality
• Test and implement software modifications to repair defects discovered during validation and testing
• Lead reviews to ensure industry-leading embedded software development best practices are met with software models and modules
• Work with vehicle property owners, product developers, system architects, software architects and suppliers to develop and maintain software-level technical requirements specifications
• Design, test and release of embedded software for heavy commercial autonomous trucks
• Provide interface documentation to wiring design, software architect(s), and other engineering design groups. Contributes to the development and continuous improvement of procedures and practices that ensure industry-leading, high-quality, reliable electronic systems and architecture
• Travel up to 10% (domestic & international)

Qualifications & Skills

• Bachelor’s degree in Electrical Engineering, Computer Engineering, Computer Science, or a related discipline
• 7+ years of experience developing embedded application software
• Strong proficiency in model-based development using MATLAB, Simulink, and Stateflow
• Experience with debugging, MIL/ SIL/ unit testing as well as some scripting (C, Python, CAPL)
• Experience with bench testing with Vector tools such as CANoe or CANalyzer
• Experience working with Git, SVN, CI/CD pipelines, Jenkins, and Azure in an Agile environment
• Familiarity with AUTOSAR, ISO 26262, and vehicle networks such as CAN, SAE J1939, and LIN
• Preferred experience creating documentation such as software requirements specifications and engineering change notices
• Preferred experience with requirements management and systems engineering tools
• Preferred background in autonomous vehicle, automotive, commercial vehicle software, or a similar industry
• Knowledge of ISO 15504, SPICE compliance, and system-level embedded/software prototyping
• Excellent communication skills with the ability to interact effectively with both technical and non-technical stakeholders
• Willingness to travel domestically and internationally up to 10%

Additional Job Board Information

PACCAR is an Equal Opportunity Employer/Protected Veteran/Disability. At PACCAR, we value talent and promote growth and development. We carefully consider numerous compensation factors, including your education, training, or experience. Applicants and employees for this position will not be sponsored for work authorization, including, but not limited to H-1B visas, now or in the future. The salary range for the Senior Embedded Application Software Engineer is $104,100 - $162,900 annually. Additionally, this role is eligible for a full range of benefit options listed above. This position is also eligible for a holiday gift.

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Nearest Major Market: Seattle
Nearest Secondary Market: Bellevue
Job Segment: Test Engineer, Testing, Embedded, Application Engineering, Construction, Engineering, Technology