Conducts routine and non-routine microbiological testing of raw materials, stability samples and in-process and finished formulations according to standard operating procedures. Performs organism identification and reads and interprets microbiological cultures and other related tests which may include but not be limited to environmental monitoring, sterility tests, growth promotion, microbial limits test and antimicrobial effectiveness tests. Performs environmental monitoring and processes the data to compile environmental monitoring status reports. Calibrates and maintains laboratory equipment. Participates in the preparation of investigations, summaries and reports. Reviews data obtained for compliance to specifications and reports abnormalities. Revises and updates standard operating procedures as needed.