Execution Engineers act as the primary technical interface for installation suppliers, oversee union trades, develop installation requirements, manage project finances and schedules, and ensure all installation activities align with GM engineering specifications and documented processes. This includes direct company sponsorship, entry of GM as the immigration employer of record on a government form, and any work authorization requiring a written submission or other immigration support from the company (e.g., H1-B, OPT, STEM OPT, CPT, TN, J-1, etc).