How do promotions work in private security? Check all that apply. Responses Having surveillance skills merits promotions. Having surveillance skills merits promotions. Knowing other security personnel in the agency can be cause for promotion. Knowing other security personnel in the agency can be cause for promotion. Having experience, skills and education in the work needed in certain positions is cause for promotion. Having experience, skills and education in the work needed in certain positions is cause for promotion. Hiring occurs when there is a position to fill.