We offer positions that support instruction and school operations at the campus and district level. If you are currently an active SAISD employee, please apply through this portal.View internal positions. To complete the online application, use the 'Start an application for employment' link available on this site. Apply to become a substitute teacher for SAISD! Can you commit to work at least four days a month during the instructional school year? Below is a current listing of open job positions at TMI. Please click on a job title below to view the details and requirements for each position. Choose an area you're passionate about. We'll help you find your purpose.