Metallurgical technician performs technical tasks, normally under the direction of metallurgists or petroleum and natural gas engineers, contributory to the extraction, storage, development and transportation of metals, metal alloys, petroleum and natural gas. He/she sets up and carries out tests and analyses, takes readings, performs calculations, adjusts instruments, records observations and otherwise assists in research to develop new or improved extractive and processing methods for metals, metal alloys, petroleum and natural gas deposits. He/she assists in technical supervision of extractive and metal-making and treatment processes to ensure compliance with specifications.