Senior Software Test Engineer – Vehicle Communications Diagnostics, Validation

• Lead validation efforts for diagnostic programming and vehicle communication workflows, including DPS, SPS/SPS2, VWP, and service-tool scenarios
• Develop and execute test plans, test cases, and test procedures across vehicle, bench, and lab environments
• Investigate failures involving vehicle communication protocols, ECU programming, gateway routing, and tool-to-vehicle interactions
• Drive root-cause isolation, defect documentation, and corrective-action validation
• Validate software releases and fixes through regression, stress, and performance testing
• Analyze logs, traces, and data from Wireshark, CAN loggers, and Lauterbach tools
• Support flatbuild, bench, and hardware-in-the-loop validation involving flashing, power cycling, UART/SSH access, and bench setup
• Partner with software, subsystem, product engineering, service engineering, and validation stakeholders
• Analyze test results and recommend software improvements, defect fixes, containment actions, and automation opportunities
• Create and maintain validation documentation, test reports, defect records, scenario coverage, and lessons learned
• Improve software validation processes, bench strategies, and automated test coverage

• Bachelor's degree in Electrical Engineering, Software Systems, Computer Science, Computer Engineering, or a related field, or equivalent experience
• 5+ years of professional experience in software validation, software test engineering, or system-level software integration testing
• Hands‑on experience testing and validating software applications, preferably in automotive diagnostics, embedded systems, service programming, or vehicle communications domains
• Solid understanding of software testing methodologies, defect management, root‑cause analysis, and validation best practices
• Knowledge of CAN (ISO 15765), UDS (ISO 14229), DoIP (ISO 13400), GMLAN, and SAE J1850
• Experience with diagnostic and programming workflows involving vehicle communication tools and interfaces
• Proficiency in Python, C/C++, or Java
• Experience reading and analyzing communication logs and traces
• Understanding of vehicle electrical architecture systems and software/hardware interaction points
• Strong analytical, problem‑solving, and technical communication skills
• Ability to work effectively in a cross‑functional team environment
• Ability to adapt to changing priorities and independently drive investigations
• GM does not provide immigration‑related sponsorship; candidates must not require GM immigration sponsorship now or in the future
• Preferred: familiarity with GM DPS, SPS/SPS2, and GDS 2 tools and workflows
• Preferred: experience with Wireshark, CANoe/CANalyzer, Lauterbach, SAE J2534, MDI/MDI2, bench validation, test automation, CI/CD‑aligned validation, embedded software, Windows applications, ODX/OTX, utility files, SPS interpreters, automotive service/manufacturing engineering, field issue triage, and technical leadership

Demonstrates expertise in software validation and testing methodologies, with a strong focus on automotive diagnostics and vehicle communication protocols. Proficient in analyzing communication logs and implementing effective validation processes to enhance software quality.

• Software Validation
• Automotive Diagnostics
• Python Programming
• CAN Protocols
• Test Automation

• Software Testing Methodologies
• Defect Management
• Root-Cause Analysis
• Validation Best Practices
• Embedded Systems Testing
• Vehicle Communication Protocols
• Test Plans Development
• Regression Testing
• Performance Testing
• Data Analysis

• Analytical Skills
• Problem-Solving
• Technical Communication
• Cross-Functional Team Collaboration
• Adaptability

• Automotive Service Engineering
• Vehicle Communication Workflows
• Diagnostic Programming
• ECU Programming
• Service Programming

• Wireshark
• CANoe
• Lauterbach
• DPS
• SPS/SPS2
• GDS 2
• MDI/MDI2
• CI/CD
• ODX/OTX
• SPS Interpreters