Working in a post-secondary (colleges/universities) setting:
National certification by the Registry of Interpreters for the Deaf, or National Association for the Deaf is highly encouraged, but not required. Each post-secondary college or university interviews and hires based on qualifications, and what is determined as qualified is defined by each hiring entity.
Working as a freelance/independent contractor interpreter for an agency:
National certification by the Registry of Interpreters for the Deaf, or National Association for the Deaf is highly encouraged, but not required. Each agency interviews and hires based on qualifications, and what is determined as qualified is defined by each hiring entity.
Working as a Video Relay Service (VRS) interpreter:
National certification by the Registry of Interpreters for the Deaf, or National Association for the Deaf is highly encouraged, but not required. Each VRS company (Sorenson, Convo, ZVRS, Purple) interviews and hires based on qualifications, and what is determined as qualified is defined by each hiring entity.