A microbiology lab assistant provides support for scientists and researchers in a microbiology lab where they study microbes, viruses, fungi, parasites, bacteria, and other microscopic organisms. In this career, you may work on sample collection, aid in the testing of cultures and samples, maintain a specimen record, and sterilize and clean equipment after testing. Some labs may also expect you to carry out other administrative duties. Your responsibilities as a microbiology lab assistant may also include recording data and maintaining records.