JOB DESCRIPTION. The Groundlings Theatre is seeking a part-time Sound Board Operator / Mixed Media Computer Operator. Qualified candidates must fit the following criteria. ■ Proficient in live audio mixing and operation (Mackie VLZ4 house board). ■ Strong knowledge of Q-Lab programming. some programming may be done on the fly. ■ Troubleshooting audio and video issues and working with wireless handheld, headset, and hairline mics. ■ Ability to ch...