Senior Vehicle Diagnostics & Validation Engineer (Hybrid)

Relha LLC; Warren, Northern (MI, KY); Hybrid; USD 120,000 - 160,000; Full time

Job summary

General Motors in Michigan is seeking a Senior Software Test Engineer to validate and improve diagnostic software, vehicle communications, and programming workflows across bench and vehicle environments.

The role emphasizes hands-on validation, root-cause analysis, automation strategies, and collaboration with cross-functional teams to ensure release readiness and high-quality diagnostics across GM assets.

Qualifications

• 5+ years of professional experience in software validation or system-level testing.
• Hands-on experience in automotive diagnostics and vehicle communications.
• Knowledge of CAN, UDS, DoIP, GMLAN, SAE J1850.
• Experience with debugging and root-cause analysis.
• Programming/scripting in Python, C/C++, or Java.

Responsibilities

• Lead validation for DPS, SPS/SPS2, VWP workflows.
• Develop and execute test plans and procedures for software functionality and programming performance.
• Investigate complex failures in vehicle communication protocols and ECU programming behavior; drive root-cause analysis.
• Validate new software releases and fixes for diagnostics features with regression and stress tests.
• Analyze logs and traces to support root-cause analysis and recommendations.

Skills

Python

C/C++

Java

Automotive diagnostics

Education

Bachelor's degree or equivalent

Tools

Wireshark

CAN loggers

Lauterbach debuggers

Job description

General Motors in Michigan is seeking a Senior Software Test Engineer to validate and improve diagnostic software, vehicle communications, and programming workflows across bench and vehicle environments.

The role emphasizes hands-on validation, root-cause analysis, automation strategies, and collaboration with cross-functional teams to ensure release readiness and high-quality diagnostics across GM assets.