Search careers by Holland Codes

Grounds maintenance workers install and maintain landscapes, prune trees or shrubs, and do other tasks to ensure that vegetation is attractive, orderly, and safe.

Holland codes:
Building, Organizing

Hand laborers and material movers manually move freight, stock, or other materials. Some of these workers feed or remove material to or from machines, clean vehicles, pick up unwanted household goods, and pack materials for moving.

Holland codes:
Building

Hazardous materials (hazmat) removal workers identify and dispose of harmful substances, such as asbestos, lead, mold, and radioactive waste. They also neutralize and clean up materials that are flammable, corrosive, or toxic.

Holland codes:
Building, Organizing

Health and safety engineers develop procedures and design systems to protect people from illness and injury and property from damage. They combine knowledge of engineering and of health and safety to make sure that chemicals, machinery, software, furniture, and other products will not cause harm to people or damage to property.

Holland codes:
Building, Thinking, Organizing

Health education specialists teach people about behaviors that promote wellness. They develop strategies to improve the well-being of individuals and communities. Community health workers advocate for residents’ needs with healthcare providers and social service organizations. They implement wellness strategies by collecting data and discussing health concerns with members of specific populations. Although the two occupations often work together, the responsibilities of health education specialists and community health workers are distinct.

Holland codes:
Helping, Persuading

Heating, air conditioning, and refrigeration mechanics and installers—often called HVACR technicians—work on heating, ventilation, cooling, and refrigeration systems that control the temperature and air quality in buildings.

Holland codes:
Building, Thinking, Organizing

Heavy and tractor-trailer truck drivers transport goods from one location to another. Most tractor-trailer drivers are long-haul drivers and operate trucks with a total weight exceeding 26,000 pounds for the vehicle, passengers, and cargo. These drivers deliver goods over intercity routes that sometimes span several states.

Holland codes:
Building, Organizing

Heavy vehicle and mobile equipment service technicians, also called mechanics, inspect, maintain, and repair vehicles and machinery used in construction, farming, rail transportation, and other industries.

Holland codes:
Building, Organizing

High school teachers help prepare students for life after graduation. They teach academic lessons and various skills that students will need to attend college or to enter the job market.

Holland codes:
Creating, Helping, Persuading

Historians research, analyze, interpret, and write about the past by studying historical documents and sources.

Holland codes:
Thinking

Home health and personal care aides monitor the condition of people with disabilities or chronic illnesses and help them with daily living activities. They often help older adults who need assistance. Under the direction of a nurse or other healthcare practitioner, home health aides may be allowed to give a client medication or to check the client’s vital signs.

Holland codes:
Building, Helping

Home health and personal care aides monitor the condition of people with disabilities or chronic illnesses and help them with daily living activities. They often help older adults who need assistance. Under the direction of a nurse or other healthcare practitioner, home health aides may be allowed to give a client medication or to check the client’s vital signs.

Holland codes:
Building, Helping, Organizing

Human resources managers plan, coordinate, and direct the administrative functions of an organization. They oversee the recruiting, interviewing, and hiring of new staff; consult with top executives on strategic planning; and serve as a link between an organization’s management and its employees.

Holland codes:
Helping, Persuading

Human resources specialists recruit, screen, and interview job applicants and place newly hired workers in jobs. They also may handle compensation and benefits, training, and employee relations.

Holland codes:
Helping, Persuading, Organizing

Hydrologists study how water moves across and through the Earth’s crust. They study how rain, snow, and other forms of precipitation impact river flows or groundwater levels, and how surface water and groundwater evaporate back into the atmosphere or eventually reach the oceans. Hydrologists analyze how water influences the surrounding environment and how changes to the environment influence the quality and quantity of water. They use their expertise to solve problems concerning water quality and availability.

Holland codes:
Building, Thinking

Industrial designers develop the concepts for manufactured products, such as cars, home appliances, and toys. They combine art, business, and engineering to make products that people use every day. Industrial designers consider the function, aesthetics, production costs, and usability of products when developing new product concepts.

Holland codes:
Building, Creating, Persuading

Industrial engineers find ways to eliminate wastefulness in production processes. They devise efficient systems that integrate workers, machines, materials, information, and energy to make a product or provide a service.

Holland codes:
Thinking, Persuading, Organizing

Industrial engineering technologists and technicians help engineers solve problems affecting manufacturing layout or production. They prepare machinery and equipment plans, design workflows, conduct statistical production studies, and analyze production costs.

Holland codes:
Building, Thinking, Organizing

Industrial machinery mechanics and machinery maintenance workers maintain and repair factory equipment and other industrial machinery, such as conveying systems, production machinery, and packaging equipment. Millwrights install, dismantle, repair, reassemble, and move machinery in factories, power plants, and construction sites.

Holland codes:
Building, Thinking, Organizing

Industrial production managers oversee the operations of manufacturing and related plants. They coordinate, plan, and direct activities involved in creating a range of goods, such as cars, computer equipment, and paper products.

Holland codes:
Persuading, Organizing