As an Diagnostic Software Developer, you will play a key role in developing guided diagnostic procedures and vehicle diagnostic software for heavy-duty commercial vehicle electronics. You will design, document, and implement diagnostic algorithms, software, and interfaces, while supporting product launches and driving continuous improvement in diagnostic quality and reliability. This is an excellent opportunity for a collaborative, technically skilled engineer to work across engineering, manufacturing, service, validation, IT, and supplier teams to deliver effective, user-focused diagnostic tools.
Location: Lewisville, TX
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.
Job Responsibilities
Qualifications & Skills
PACCAR Benefits
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 Diagnostic Software Developer is $86,900 - $136,300 annually. Additionally, this role is eligible for a full range of benefit options listed above. This position is also eligible for a holiday gift.
PACCAR is a global technology leader in the design, manufacture and customer support of premium light-, medium- and heavy-duty trucks under the Kenworth, Peterbilt and DAF nameplates. PACCAR also designs and manufactures advanced diesel engines, provides financial services, information technology, and distributes truck parts related to its principal business.
Kenworth Truck Company builds premium commercial vehicles for sale in the U.S., Canada, Mexico and Australia and for export throughout the world. Peterbilt Motors also designs, manufactures and distributes premium commercial vehicles in the US and Canada. DAF Trucks manufactures trucks in the Netherlands, Belgium, Brasil and the United Kingdom for sale throughout Western and Eastern Europe, and export to Asia, Africa, North and South America.
PACCAR Parts operates a network of parts distribution centers offering aftermarket support to Kenworth, Peterbilt and DAF dealers and customers around the world. Aftermarket support includes customer call centers operating 24 hours a day throughout the year and technologically advanced systems to enhance inventory control and expedite order processing.
PACCAR Financial Services provides finance, lease and insurance services to dealers and customers in more than 100 countries including a portfolio of more than 175,000 trucks and trailers and total assets in excess of $12 billion. The group includes PACCAR Leasing, a major full-service truck leasing company in North America, with a fleet of over 39,000 vehicles.
Environmental responsibility is one of PACCAR’s core values. The company regularly develops new programs to help protect and preserve the environment and PACCAR has established ambitious goals to further reduce emissions and enhance fuel efficiency in its truck models.
