Home improvement installers put in place home improvements such as awnings, curtains, blinds, flyscreens, garage doors, exterior cladding, shower screens and prefabricated windows and doors.

Horse trainers supervise the preparation of horses for thoroughbred or harness races, advise and consult with owners and instruct stable staff and jockeys/drivers. Horse trainers usually specialise in thoroughbreds for galloping races, standardbreds for pacing or trotting (harness) races, or performance horses for events, show jumping and dressage.

Horticultural assistants undertake a range of tasks involving the cultivation, growing, harvesting and maintenance of trees, plants and gardens.

Horticultural tradespersons maintain plants and planted areas, construct horticultural features and apply treatments to enhance plant growth and control pests.

Hospital administrators plan, direct and coordinate health and administrative services provided by hospitals, community health services, aged-care facilities, private healthcare facilities and other health service organisations.

Hotel and motel front office attendants look after the needs of guests on arrival and during their stay in a hotel or motel.

Hotel and motel managers plan, supervise and control the operations of a hotel or motel.

Hotel service supervisors coordinate and supervise the activities of hotel service workers, including housekeeping and cleaning staff, luggage porters and doorpersons.

House parents are concerned with all the tasks relating to the personal care, boarding accommodation, meals, study, recreation and weekend activities of children and adolescents in a residential establishment. They usually live in or near the boarding establishment.

Human resource managers plan, administer and review activities concerned with staff selection, training and development, conditions of employment and other staffing issues within an organisation.

Human resources officers provide administration services for the recruitment and employment of staff. In small organisations, human resources officers are usually responsible for all staffing matters. In large organisations they may specialise in a particular area such as recruitment, wages and entitlements or staff training.

Hydrologists measure, analyse and maintain the quantity and quality of water in rivers, lakes, stormwater and sewage. They use this information to plan and develop strategies for water conservation and the improvement of water quality.

Illustrators create drawings and designs for books and magazines, advertisements, film, television and multimedia. Illustrators work on paper, and two-dimensional (2D) and three-dimensional (3D) models. They may use traditional or computer-based techniques, or a combination of both. Illustrators can specialise in illustrations for websites, phone apps, augmented reality development, magazines, children's books, scientific work, technical manuals, fashion and product packaging. Many work as freelancers. They may have to work very long hours when a deadline has to be met.

Importers and exporters sell and buy goods, such as raw materials, foodstuffs and manufactured goods, produced in Australia for export to overseas markets, or procure products made overseas for import to Australian markets.

Indigenous community liaison officers liaise with Indigenous communities and the state or territory police forces in order to establish and maintain positive relationships.