Vehicle Calibration Engineer - Software Integration

Date: Oct 29, 2026

Company: PACCAR

We are looking for a driven Calibration Engineer to join our Vehicle Calibration team. This role offers opportunity to focus on the calibration and in-vehicle verification of heavy-duty and medium-duty vehicle functions. The selected individual will work in a global, cross-divisional, and innovative team to develop and calibrate “Best in Class” vehicle functions for North America.

The PACCAR Technical Center provides engineering excellence to the truck, engine, and winch divisions of PACCAR Inc through innovative product development and testing. The Technical Center is located in the Skagit Valley about 65 miles north of Seattle, Washington.

The Vehicle Calibration & System Integration team is responsible for the calibration, integration, and verification of vehicle level features/functionality such as cruise control, speed limiters, warnings and telltales, etc.across PACCAR’s entire vehicle lineup from ICE to BEV powertrains.

• Independently performs calibration, verification, release, and implementation of software for assigned vehicle-level features across multiple vehicle configurations and powertrains
• Applies sound engineering judgment to integrate, calibrate, and optimize vehicle performance functionality through in-vehicle testing of control system software
• Reviews requirements documents for assigned vehicle features, identifying gaps, ambiguities, and testability concerns, and provides feedback to requirement owners to support accurate calibration and verification
• Develops and executes test plans for requirements verification, and documents and reports defects with enough detail to support efficient resolution
• Provides technical feedback on proposed product changes, identifying implications for calibration, testing, and feature behavior
• Supports the running business group in the calibration, verification, and release of running change software, managing assigned releases with limited oversight
• Translates customer and system requirements into calibration data and configurations, and flags ambiguities or conflicts for resolution
• Partners with the Controls, Software, and Validation Teams to troubleshoot issues, perform root cause analysis, and drive defects to closure
• Delivers assigned work on schedule and maintains calibration quality standards
• Maintains working knowledge of software functionality, feature interactions, and product requirements for assigned functions
• Identifies and implements incremental improvements to calibration and testing methods
• Maintains productive working relationships with other groups and PACCAR divisions

• 3+ years of experience with vehicle development, integration, or testing
• Current Commercial Driver’s License (CDL) or ability and desire to obtain
• Knowledge of vehicle and powertrain management systems and performance
• Knowledge of automotive communication protocols: J1939, UDS, XCP, Ethernet, CAN-bus, LIN-bus
• Ability to work well independently and as part of a team
• Ability to effectively communicate technical findings to both technical and non-technical stakeholders
• Self-directed, excellent analysis and engineering judgment required
• Organized and disciplined with ability to manage personal workload and a willingness and initiative to respond to shifting time and project demands
• Ability to lift up to 25 lbs & enter/exit truck cabins repeatedly
• Ability to travel up to 10%

BS in appropriate technical field

As a U.S. PACCAR employee, you have a full range of benefit options including:

• Competitive salary and 401k with up to a 5% company match
• Fully funded pension plan that provides monthly benefits after…