Senior Software Test Engineer – Vehicle Communications Diagnostics, Validation

General Motors

Senior Software Test Engineer validating GM vehicle diagnostics, communications, and programming systems. Improving test automation, release readiness, and Service First Time Quality.

Posted 8/25/2026full-timeWarren • Missouri • 🇺🇸 United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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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.

Highest-signal resume keywords

Software ValidationAutomotive DiagnosticsPython ProgrammingCAN ProtocolsTest Automation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software Testing MethodologiesDefect ManagementRoot-Cause AnalysisValidation Best PracticesEmbedded Systems TestingVehicle Communication ProtocolsTest Plans DevelopmentRegression TestingPerformance TestingData Analysis

Soft Skills

Analytical SkillsProblem-SolvingTechnical CommunicationCross-Functional Team CollaborationAdaptability

Tools & Technologies

WiresharkCANoeLauterbachDPSSPS/SPS2GDS 2MDI/MDI2CI/CDODX/OTXSPS Interpreters

Industry Keywords

Automotive Service EngineeringVehicle Communication WorkflowsDiagnostic ProgrammingECU ProgrammingService Programming

Tech Stack

Tools & technologies

JavaPython

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

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

Benefits

Comp & perks

Benefits supporting well-being at work and at home through GM Total Rewards resources
Relocation benefits are not provided; relocation costs are the selected candidate's responsibility