Sharing careers that make a difference in our community. Changes that you make do not update previously submitted applications, but are saved for use when you are applying for other jobs in the future.The San Diego Unified School District accepts applications for Multiple Subject teachers on a continuous basis for regular full-time and part-time assignments. Information on how to apply for school-level professional job opportunities and non-teaching positions in DoDEA. Electronically filing for job vacancies is easy, saving time and resources. Careers in Education. The easiest way to get hired as a substitute is to inquire with the school where you want to work.