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Date: Jul 20, 2026
Location: Lewisville, TX, US, 75067
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Company: PACCAR
The Senior Embedded Systems Software Engineer is responsible for leading the development and delivery of embedded software solutions for next-generation commercial 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.
Location: Lewisville, TX
Job 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, budget, 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, and software architects to develop and maintain software-level technical requirements specifications
Design and release of embedded systems software and software architecture for heavy commercial 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
B.S. in Electrical Engineering, Computer Engineering, Computer Science or in a related field
7+ years of experience in the development & release of embedded software
Proficiency using MATLAB/Simulink, Jenkins, continuous integration, python scripting, GIT, AZURE, and Requirements Management tools
Experience with automotive or commercial vehicle networks, such as CAN, SAE J1939, and LIN
Proficiency in using Requirements Management tools and Systems Engineering tools
Experience creating documentation including software requirements specifications, and engineering change notices
Solid understanding of Design for Six Sigma and Six Sigma techniques
Experience within the automotive or commercial vehicle software or a similar industry-related background is preferred
Knowledge of ISO 26262, ISO 15504, SPICE compliance, system-level embedded/software prototyping (RCP) and requirements generation preferred
Experience using IBM Rational Rhapsody, IBM Rational DOORS, IBM Rational Team Concert, Canoe/Vector Tools, Visio, and/or HP Quality Center preferred
Excellent communication skills with the ability to engage both technical and non-technical stakeholders
Ability to travel domestically and internationally up to 10%
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.
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.
PACCAR Benefits
401k with up to a 5% company match
Fully funded pension plan that provides monthly benefits after retirement
Comprehensive PTO – minimum of 10 paid vacation days (additional days are provided with additional seniority/years of service), 12 paid holidays, and sick time
Tuition reimbursement for continued education
Medical, dental, and vision plans for you and your family
Flexible spending account (FSA) and health account (HSA)
Paid short-and-long-term disability programs
Life and accidental death and dismemberment insurance
EAP services include wellness plans, estate planning, financial counseling and more
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 Systems Software Engineer is $100,100 - $156,600 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: Dallas
Nearest Secondary Market: Fort Worth
Job Segment: Test Engineer, Testing, Embedded, Software Engineer, Electrical Engineering, Engineering, Technology
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