Become a Math or Science Teacher with EnCorps. Residence in an EnCorps service area (San Francisco Bay Area, Sacramento, Los Angeles Area, Orange County, San Diego County). Please note that the Los Area includes San Fernando Valley, Long Beach, San Grabriel Valley and Ventura County. A proven full time work / research experience as a STEM industry professional. Eligibility to work in the United States. For more information please refer to this site.