Software Engineering Intern - Powertrain Development

Job Summary

As a Software Engineering Intern within PACCAR Powertrain, you will contribute to real-world engineering projects that advance PACCAR’s mission to deliver robust, scalable, and data‑driven software solutions. Working alongside experienced engineers, you will enhance data pipelines, improve analytical tools, and support innovation across Global PACCAR Powertrain teams. Interns are fully integrated into team operations, participate in cross‑functional meetings, and present their project outcomes to peers and senior leaders—giving you visibility, meaningful responsibility, and the opportunity to make a lasting impact.

This role is based at the PACCAR Technical Center, a state-of-the-art research and engineering facility dedicated to emerging technologies including next‑generation powertrain systems, vehicle electrification, and autonomous driving advancements.

What to Expect  

• Schedule: Full-time (40 hours/week), in person  
• Duration: Minimum 12 weeks
• Location: Mount Vernon, WA
• Start Dates: May 18, 2026, or June 22, 2026
• Visa Sponsorship: Not available for this role (H‑1B, TN, OPT, etc.)

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 PACCAR Powertrain

Global PACCAR Powertrain organization engineers and manufactures integrated, high‑efficiency engines, automated transmissions, and axle systems for Kenworth, Peterbilt, and DAF trucks. Through advanced engineering, vertically integrated manufacturing, and robust aftermarket support, the organization delivers powertrain systems optimized for performance, durability, fuel efficiency, and sustainability. Its portfolio includes PACCAR’s MX‑13 and MX‑11 engines, TX‑12 and TX‑18 automated transmissions, and advanced axle technologies—designed to function as a fully integrated system that enhances drivability, reduces lifecycle costs, and ensures consistent reliability across PACCAR’s global truck brands.

Job Responsibilities 

• Develop clean, functional code to implement new software features.
• Utilize automated build and deployment tools to streamline software releases.
• Perform unit testing, participate in code reviews, and contribute to software quality assurance.
• Design and build ETL systems that support data archival, analysis, and reporting with a strong focus on data integrity.
• Develop MATLAB functions and scripts to automate reporting for test fleets.
• Ensure compliance with software documentation standards, policies, and best practices.
• Support continuous improvement efforts to enhance accuracy, consistency, and efficiency in documentation and development processes.

Qualifications

Required:

• Currently in junior or senior year of a bachelor’s degree program (graduation 2026–2027) in Engineering (Mechanical, Electrical, Mechatronics), other STEM fields, or related discipline. 
• Experience with scripting and data analysis (MATLAB).
• Foundational knowledge of cloud platforms such as AWS, Snowflake, or Azure.
• Familiarity with one or more programming languages: Python, C#/C++, Java, SQL.
• Strong communication, analytical, and presentation skills.
• Self-motivated team player with the ability to manage workload and deadlines effectively.

Preferred:

• Basic understanding of diesel exhaust aftertreatment technologies (DOC, DPF, SCR, DEF).
• Introductory knowledge of engine control strategies and CAN networking.

Paccar Benefits

• The pay range for this position is $25.00 - $30.00/hour (pay varies by undergraduate and graduate degree) 
• SIP 401k with up to a 5% company match 
• Paid Holidays (work-location scheduled)
• Sick Leave (CA & WA only)
• Health, Dental, and Vision insurance  
• Flexible Spending Account (FSA) / Health Savings Account (HSA) 
• Life and Accidental Death and Dismemberment insurance EAP services include wellness plans, estate planning, financial counseling, and more

Additional Job Board Information   

PACCAR promotes equal employment opportunities by implementing policies and practices that ensure employees and applicants are not discriminated against because of their race, color, religious creed, national origin, ancestry, sex, gender, gender identity or expression, sexual orientation, age, mental or physical disability, medical condition, genetic information, military or veteran status or other legally protected status. This applies to recruitment, selection, placement, promotion, termination, rates of pay, and other conditions of employment.