Jobs at TRIO

TRIO is staffed by a management team of forty experienced design and production engineers overseeing an expanding team of 300 mechanics, welders, and machinists.

We're always excited to hear from skilled and enthusiastic candidates for new job opportunities at TRIO. As they become available, details of new positions are posted on this page.

  • Mechanical Engineer

    Apply theory and principals of mechanical engineering to prepare drawings and technical documents in both Western standards and GB (metric standard based) for use in the continued development and improvement of the company's products.

    Also participate in the development, testing and maintenance of TRIO's crushing and washing machinery products. Work will involve a combination of individual and team based projects. Must have BE in Mechanical Engineering or its foreign equivalent degree, plus 4 years work experience in mechanical engineering, customer service and conversion of metric mechanical standards based GB and US mechanical standards.

    To apply, please send resume to:
    TRIO Engineered Products Inc HR, 12823 Schabarum Ave, Irwindale, CA 91706
    Fax +1 626 851 9526

  • Field Service Technicians

    Fully capable mechanics with extensive understanding of vibrating, washing and crushing equipment operation, maintenance, and repair.

    Able to participate in and oversee the field assembly of portable and stationary equipment. Work will require periodic extensive travel. Foreign language skills a plus. Must have minimum of 5 years work experience in field service or plant operations and maintenance.



    To apply, please send resume to:
    TRIO Engineered Products Inc HR, 12823 Schabarum Ave, Irwindale, CA 91706
    Fax +1 626 851 9526

  • Regional Sales Personnel (Various domestic and international markets)

    Thorough understanding of application of mineral processing equipment including vibrating, washing crushing equipment and conveying equipment.

    Able to incorporate new equipment into existing plant flows, and develop completely new plant designs. Strong interpersonal skills a must; current network of regional contacts a plus. Work will require periodic extensive travel. Foreign language skills beneficial. Must have minimum of 5 years work experience in mineral process equipment sales. Bachelor’s degree preferred.


    To apply, please send resume to:
    TRIO Engineered Products Inc HR, 12823 Schabarum Ave, Irwindale, CA 91706
    Fax +1 626 851 9526