To assist Contra Costa County in its commitment to Equal Employment Opportunity, applicants are asked to voluntarily provide the following information. You may complete an on-line application at the Contra Costa Human Resources Department at 651 Pine St., 2nd Floor, Martinez, CA 94553.An incomplete application packet may disqualify an applicant. We are currently recruiting to fill two (2) Spanish Translator vacancies in the Employment and Human Services Department. You must complete this section even if attaching a resume. Present or Most Recent: Name of Employer. Address. We have various applications and forms available on our web site for your convenience. Apply to Spanish Teacher, Spanish Interpreter, Receptionist and more! How to Sign Up. Come get an application form from the DSPS office. If you need help filling it out, just let us know.