Heavy Duty Vehicle Service Advisor

OEM Vehicle Validation & Issue Troubleshooting Specialist

Location:

San Antonio, TX

Schedule:

Onsite | Monday–Friday | 8:00 AM – 5:00 PM

Position Summary

We are seeking an OEM Vehicle Validation & Issue Troubleshooting Specialist to support vehicle development, validation, and issue resolution activities. This role will work closely with engineers, technicians, and customers to diagnose and resolve vehicle and powertrain-related issues while supporting validation efforts and maintaining clear documentation of findings and outcomes.

Key Responsibilities

Vehicle Support & Troubleshooting

• Provide support for development powertrain systems, including hardware, software, controls, and electronic systems.
• Diagnose and troubleshoot vehicle issues using established troubleshooting procedures and engineering judgment.
• Work closely with technicians to investigate, test, and resolve technical concerns.
• Document troubleshooting activities, findings, corrective actions, and outcomes.

Validation Support

• Support vehicle validation activities by collecting and analyzing data.
• Utilize Calterm and other engineering tools to download ECM software and calibrations with support from the Columbus engineering team.
• Override engine operating conditions as needed to support validation testing.
• Identify, document, and communicate issues discovered during validation activities.

Documentation & Communication

• Maintain accurate issue tracking and validation records.
• Communicate technical findings, action plans, and resolutions with engineers, technicians, and customers.
• Utilize existing documentation processes and develop new communication or tracking methods when required.
• Effectively prioritize workload while ensuring timely updates to stakeholders.

Required Qualifications

• Experience troubleshooting vehicle systems and resolving technical issues.
• Strong technical problem-solving and diagnostic skills.
• Experience working with engines and powertrain systems.
• Ability to manage multiple priorities while maintaining thorough documentation and communication.
• Experience working within a corporate or structured business environment.

Preferred Background

• Heavy-duty diesel technician experience.
• Service Advisor or Service Writer experience.
• Experience supporting vehicle validation, testing, or development programs.
• Familiarity with ECM software, calibrations, and diagnostic tools such as Calterm.

Key Skills

• Vehicle diagnostics and troubleshooting
• Engine and powertrain systems knowledge
• Technical documentation
• Root cause analysis
• Cross-functional communication
• Data collection and validation support
• Task prioritization and workload management

EOE (including Disability/Veterans)