However, they will have to meet the basic requirements and specialized experience requirements in order to qualify for promotion to a higher grade, unless granted a waiver under Paragraph D. D. Waiver: When filling a specific vacant position, the senior procurement executive of the selecting agency, at his or her discretion, may waive any or all of the requirements of Paragraphs A and B above if the senior procurement executive certifies that the applicant possesses significant potential for advancement to levels of greater responsibility and authority, based on demonstrated analytical and decision making capabilities, job performance, and qualifying experience. Incumbent assists the Branch Chief in coordinating contracting activities, performing contract reviews, providing guidance regarding complex contracts administered by other Contract Specialists, identifying special training needs, conducting mentoring, and supporting contract training.