Site Supervisor monitor the progress of construction projects and ensure compliance with construction safety regulations. 

Site Coordinator coordinate, supervise and schedule the duties of workers engaged in the construction and repair of buildings and structures.

Site Safety Supervisor inspect and remove any unsafe workplaces and correct any unsafe practices.   

Paving Supervisor  coordinate, supervise and schedule the duties of workers engaged in the construction and repair of buildings and structures.

Landscape Supervisor oversee landscape projects from planning to completion, ensuring that work is completed on time, within budget, and to client specifications.

Drilling Supervisor Lead and manage a team of drilling operators, technicians, and support staff. Assign duties, provide training, and supervise work progress.

Environmental Supervisor ensure compliance with environmental regulations at the local, state, and federal levels. Stay informed about changes in regulations and ensure that all activities meet legal requirements.

Supervisor, Building Construction keep track of the proceedings of all stages in the building process. They coordinate the different teams, assign tasks, and resolve problems.

Supervisor, Building Operations coordinate, supervise and schedule the duties of workers engaged in the construction and repair of buildings and structures.

Cleaning Supervisor directly supervise and coordinate work activities of cleaning personnel in hotels, hospitals, offices, and other establishments.

Arboriculture Technician operate greenhouses and improve the health of plants as well as maintain research, field and chemical application equipment.

Forestry Technician assist and support the forest manager and implement their decisions. They supervise a team of forestry equipment operators and support and supervise forestry and environmental protection through research and data collection. They also manage resource conservation and harvesting plans.

Silviculture Technician perform technical tasks related to research in forestry and forest management harvesting, resource conservation and environmental protection as well as the development of forestry applications for research results.

Assistant Conservator of Forests Grade G29 responsible for helping to plan, manage and control forestry activities in line with government regulations and policies.

Assistant Wildlife Officer Grade G29 carry out law enforcement duties under the wildlife protection act 76/72 as well as to conduct wildlife control, management and research.

Wildlife Assistant Grade G19 carry out law enforcement duties under the wildlife protection act 76/72 as well as to conduct wildlife control, management and research.

Air Traffic Safety Technician &nbsp;perform technical tasks concerning the design, installation, operation, maintenance and repair of air traffic control and air navigation systems.<br>&nbsp;

Aircraft Technician perform aircraft maintenance on fleet of aircraft include conducting inspections to determine aircraft's airworthiness and troubleshoot issues in various systems such as the engine and hydraulic systems.

Aviation Maintenance Technician repairs and maintains all types of aircraft, such as planes and helicopters.

Aircraft Service Technician Diagnose adjust, repair, or overhaul aircraft engines such as hydraulic and pneumatic systems.