How to Become A Marine Scientist

A Marine Scientist explores life, habits, and health in the ocean. They study everything from tiny plankton to large marine mammals. This hands-on career takes you from deep-sea research vessels to coral reefs to lab benches.
Marine Scientists design experiments and collect samples from the sea. They analyse data to see how pollution, climate change, and other factors affect ocean life. Their findings feed into conservation programs and help protect marine life for future generations.
The job involves a mix of fieldwork and lab work. Marine Scientists survey species, track ecosystem health, and share their findings through scientific papers and public reports. They often work with government agencies, non-profits, and other researchers on complex environmental challenges.
To enter the field, a strong science base is key. Most Marine Scientists complete at least a Bachelor of Science degree, with many going on to postgraduate study. The career offers diverse paths in research, conservation, aquaculture, and environmental consulting.
Career Outlook for Marine Scientist
Marine Science is a career with strong long-term prospects. Around 760 people work as Marine Scientists in Australia (Jobs and Skills Australia, ABS 2021 Census). The median age in the field is 41, and women make up 44% of the workforce. Most Marine Scientists work full-time, with 74% in full-time roles averaging 41 hours per week.
Future demand for Marine Scientists is rated as strong (yourcareer.gov.au, 2025). Queensland employs the most, with 33% of the national workforce, followed by Western Australia at 24%. Most Marine Scientists work in science services, public admin, or education. A low jobless rate shows steady demand for skilled researchers and consultants.
The field is moving fast. Climate change, reef damage, and ocean pollution are driving new research priorities and government investment. Over 63% of Marine Scientists hold a postgraduate degree, showing the high skill level the field needs (ABS 2021 Census). Those who keep their skills current and pursue further study will find good careers ahead.
About the author
Laura Atkinson is an Account Management and SEM specialist at Course Finder Group with six years' experience in the Australian education sector. She works day to day with universities, TAFEs and independent training providers, which gives her a close view of how courses map to real career outcomes. She writes practical guidance on career pathways, choosing the right qualification and what to expect when moving into a new field.