Senior Software Design Engineer - Engine Controls

Job Description Work Classification: Hybrid: This role is categorized as hybrid. This means the successful candidate is expected to report to Milford, Michigan three times per week, at minimum. The Role: Here at General Motors, we are looking for a hard-working person who enjoys taking on challenges and following through with robust solutions to join our Controls and Software team! Software Design Engineers work closely with controls engineers, systems engineers, and stakeholders across the organization to design, implement, test, and refine embedded control software for our next-generation engine and transmission platforms. The selected candidates will collaborate within and across engineering teams to define, design, implement, and test software to be used in our latest engine and transmission products. These engineers will work side by side with controls design engineers to create and adapt new methods for our upcoming projects. These team members will be part of agile scrum teams comprised of both software and controls engineers. The software design engineers have the following specific responsibilities, and are also encouraged to learn and participate in as much of the controls development process as possible. What You'll Do: Lead development of embedded controls software utilizing Lean-Agile principles Implement software for the controls and diagnostics of all new engine and transmission systems and features using innovative design thinking and leveraging state-of-the-art technology. Partner with Controls Design Engineers (CDEs), Systems Engineers, and Architects to support the development of functional and software architecture, ensuring traceability and alignment with program requirements. Collaborate with SSLEs to create scenarios and define Behavioral Technical Specifications (BTS) for features and subsystems. Implement, test, and maintain production software using C, Simulink, and auto-generated code—ensuring adherence to GM software quality standards (SSQA). Develop and maintain high-quality Software Design Documents (SDDs) and Software Implementation Records (SIRs). Own and refine software unit, POD-level, and Solution-in-Isolation tests; maintain strong test coverage and traceability. Support Behavior Driven Development (BDD) and Test-Driven Development (TDD) through high-quality acceptance criteria and test cases. Drive software quality with a focus on robustness, maintainability, and MISRA compliance. Participate in and help lead algorithm FMEA development to identify and mitigate software-related failure modes. Contribute to feature breakdown into stories and tasks; ensure understanding of acceptance criteria and Definition of Done for assigned work. Support or assist the Scrum team as required in implementing cohesive, efficient, testable and sustainably maintainable software components.