Accountants analyse, report and give advice about the financial dealings of organisations and individuals, and advise on associated record-keeping and compliance requirements.

Actuaries evaluate risk and opportunity applying mathematical, statistical, economic and financial analyses to a wide range of business problems.

Aerospace engineers perform and supervise the design, development, manufacture and maintenance work of all types of flight vehicles. This may include military and civilian aeroplanes, helicopters, missiles, launch vehicles, spacecraft, satellites, and control and guidance systems.

Agricultural and resource economists study and apply economic principles to the use and management of resources in the agricultural, fisheries, forestry and other primary industries.

Agricultural engineers study and advise on the use of engineering science and technology in agricultural production and management of natural resources. They solve problems relating to such things as sustainable agricultural production, the environmental impacts of intensive agriculture and the post-harvest handling of agricultural products.

Agricultural scientists study commercial plants, animals and cultivation techniques to improve the productivity and sustainability of farms and agricultural industries.

Air Force general entrants perform a variety of specialist Air Force tasks on the ground and in the air.

Air Force officers command, train and motivate Air Force airmen and airwomen for peacetime and wartime tasks. Air Force officers work at the middle and executive management levels within the Royal Australian Air Force (RAAF), with officers specialising in various areas depending on their training and qualifications.

Air traffic controllers manage the safe and orderly flow of aircraft into, out of and between airports in Australia. They also work with overseas regions adjoining Australian airspace.

Aircraft maintenance engineers install, maintain and repair aircraft engines; airframes; airframe systems; electrical, instrument and radio systems; and aircraft structures and surface finishes.

Anaesthetic technicians prepare and maintain anaesthetic equipment for operating theatres and clinics, and assist anaesthetists during anaesthetic procedures.

Analysts define software requirements and specifications, and guide program design and development. The analyst's role sits between the initial business analysis stage and the detailed system design, building and programming stages of the systems development process.

Animal technicians help veterinary, medical, pharmaceutical, agricultural and general scientists and students to care for and check on animals used for research, breeding and scientific purposes.

Anthropologists study the origin, development and functioning of human societies and cultures, as they exist now or have existed throughout history. Anthropologists are concerned with the complexities of social and cultural life, including religion, rituals, family and kinship systems, languages, art, music, symbolism and economic and political systems.

Aquaculture farmers direct, coordinate and perform farming operations to breed and raise fish and other aquatic stock such as oysters, crayfish, marron or prawns.