Specified academic courses -- Successful completion of at least 60 semester hours of courses in the physical, mathematical, and engineering sciences and that included the courses specified in the basic requirements under paragraph A. The courses must be fully acceptable toward meeting the requirements of an engineering program as described in paragraph A. Related curriculum -- Successful completion of a curriculum leading to a bachelor''s degree in an appropriate scientific field, e.g., engineering technology, physics, chemistry, architecture, computer science, mathematics, hydrology, or geology, may be accepted in lieu of a bachelor''s degree in engineering, provided the applicant has had at least 1 year of professional engineering experience acquired under professional engineering supervision and guidance. The incumbent serves as an experienced mechanical engineer, providing mentorship and technical expertise for a variety of complex projects and activities at Grand Coulee Dam, the nation''s largest hydropower facility, and the source of water for the Columbia Basin Project, serving irrigation water to more than 670,000 acres in Eastern Washington State.