TTMSI Supervisor With a culture of recognition and reputation for excellence, ELS is the ideal organization in which to develop a long and successful career! ELS is hiring for the position of TTMSI Supervisor in Elmendorf, Texas. TTMSI Supervisor In return for your excellent skills and abilities, we offer a comprehensive benefits package including: medical, dental, and vision plans, a generous 401(k) employer match, and paid vacations, holidays, and sick time. As an Equal Opportunity Employer, we welcome and thank all applicants.