Monterey Technologies Inc in St. Louis, Missouri, seeks a Principal Human Factors Engineer to lead teams and advocate for user-centered engineering. This role involves managing human factors programs, conducting usability studies, and mentoring engineers. Candidates should possess a Bachelor's in Human Factors or related fields and over 10 years of experienced in the domain. Benefits include flexible work, health insurance, and competitive salary. Applicants must be U.S. citizens eligible for a U.S. security clearance.#J-18808-Ljbffr