RII30520 is the nationally recognised Certificate III in Mining Exploration. It prepares you for work as an earth science technician. It has been the current version on the national register since 2020, when it replaced RII30515. Employers posted about 140 earth science technician jobs in June 2026, up 12.9% on a year earlier.
The signals behind the Certificate III in Mining Exploration are mixed, and both sides are worth weighing. Employment is projected to grow through 2035 and job ads in June 2026 were up 12.9% on a year earlier. The official shortage list does not rate its occupations in shortage and enrolments are falling. These are official statistics, not a promise about your result.
Employers are posting more earth science technician jobs than a year ago. About 140 earth science technician jobs were advertised online in June 2026, up 12.9% on a year earlier. Over the last 12 months there were about 1,500 job ads, while 50 people were training in the qualification nationally (2025). Ads show the market. Enrolments show the pipeline. Neither is a job promise.
Australia's official shortage list rates chemistry technicians, earth science technicians, life science technicians, school laboratory technicians, hydrographers and science technicians necs as not in shortage. The 2025 Occupation Shortage List rates Chemistry Technician, Earth Science Technician, Life Science Technician, School Laboratory Technician, Hydrographer and Science Technicians nec as not in shortage.
Earth science technician jobs are projected to grow. Jobs and Skills Australia projections put these occupations at 22,432 workers in May 2025, 23,174 by May 2030 (up 3.3%) and 24,363 by May 2035 (up 8.6%).
Enrolments in the Certificate III in Mining Exploration are dropping fast. Across Australia, 75 people enrolled in 2024. In 2025 it was 50, down 33.3% in a year. National data for RII30520 starts in 2021.
The register and the national framework set some of this. Providers set the rest.
State funding for RII30520 is being verified against official program lists.
Eligibility and student contributions vary by program and provider. The official state listing is the source of truth. In a subsidised place the government pays most of the tuition and you pay a co-contribution set by the program and provider.
The Certificate III in Mining Exploration is 13 units: 5 core, plus 8 electives chosen from 15 options on the register.
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Browse coursesGet Course maps RII30520 to its occupations using the register’s own outcome wording, shown with ANZSCO codes (here, 3114) so the mapping can be checked. Job advertisement counts come from the Jobs and Skills Australia Internet Vacancy Index and count online ads, not vacancies filled. Enrolment counts come from NCVER Total VET Activity and count people in training, not completions. Funding rows appear only after verification against the official state program list. Source vintages: Occupation Shortage List 2025 assessment; Jobs and Skills Australia Internet Vacancy Index latest month June 2026; NCVER Total VET Activity 2025 collection; employment projections May 2025 to May 2035 release; register training.gov.au, synced 4 September 2026; register synced 18 Sept 2026. Page last updated 19 Sept 2026.