1. Shipmate
2. Petroleum Pump System Operator

Petroleum Pump System Operator
Petroleum, or oil, has been utilized since prehistoric times and is an essential resource which is used daily in most parts of the world.
3. Mining Machine Operator

Mining Machine Operator
Mining machine operators are part of a crew at a mining site.
4. Commercial Pilot
5. Pilot

Pilot
A pilot is someone who is in the aviation industry, and who is able to operate aircraft in order to transport passengers or goods from one location to another.
6. Geothermal Technician

Geothermal Technician
Geothermal energy is energy that is created in the earth in the form of heat.
7. Wellhead Pumper

Wellhead Pumper
A wellhead pumper is someone who operates power pumps and other equipment so that gas or oil can flow from the oil well.
8. Locomotive Engineer

Locomotive Engineer
Locomotive engineers, also known as train engineers, are responsible for driving trains safely from one destination to another.
9. Aircraft Mechanic

Aircraft Mechanic
Airlines, government, private companies, and the military hire aircraft mechanics to repair and perform scheduled maintenance on airplanes and helicopters.
10. Industrial Machinery Mechanic

Industrial Machinery Mechanic
Industrial machinery mechanics maintain and repair factory equipment and other industrial machinery such as conveying systems, production machinery, and packaging equipment.
11. Rail Transportation Worker

Rail Transportation Worker
Railway jobs are still a vital part of most countries.
12. Power Plant Operator

Power Plant Operator
A power plant operator is someone who controls the systems that generate and distribute electric power.
13. Power Engineer
Power Engineer
A power engineer, also called a stationary engineer, is a technically skilled and certified professional who is responsible for the operation, maintenance, renovation, and repair of boiler systems and other mechanical systems in a facility.
14. Derrick Operator

Derrick Operator
A derrick operator is closely related to that of a rigger, or rig technician.
15. Biomass Plant Technician

Biomass Plant Technician
Biomass plant technicians are employed by companies that produces renewable energy from plant matter or animal matter.