The job skills required for Janitor include Housekeeping, Customer Service, Communicates Effectively, Laundry, Attention to Detail, OSHA etc. Having related job skills and expertise will give you an advantage when applying to be a Janitor. That makes you unique and can impact how much salary you can get paid. Below are job openings related to skills required by Janitor. Select any job title you are interested in and start to search job requirements.