High school diploma or equivalent

None

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.

High school diploma or equivalent

None

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.

High school diploma or equivalent

None

Brickmasons and Blockmasons (or, simply, masons) use bricks and concrete blocks to build fences, walkways, walls, and other structures.

High school diploma or equivalent

None

Welders, Cutters, Solderers, and Brazers use hand-held or remotely controlled equipment to join or cut metal parts. They also fill holes, indentations, or seams in metal products.

High school diploma or equivalent

None

Petroleum Pump System Operators, Refinery Operators, and Gaugers operate or control petroleum refining or processing units. They may specialize in controlling manifold and pumping systems, gauging or testing oil in storage tanks, or regulating the flow of oil into pipelines.

High school diploma or equivalent

None

Plumbers, Pipefitters, and Steamfitters install and repair piping fixtures and systems.

High school diploma or equivalent

None

Stationary Engineers and Boiler Operators control stationary engines, boilers, or other mechanical equipment to provide utilities for buildings or for industrial purposes.

High school diploma or equivalent

None

Separating, Filtering, Clarifying, Precipitating, and Still Machine Setters, Operators, and Tenders set up, operate, and tend continuous flow or vat-type equipment, filter presses, shaker screens, centrifuges, condenser tubes, precipitating, fermenting, or evaporating tanks, scrubbing towers, or batch stills. These machines extract, sort, or separate liquids, gases, or solids from other materials to recover a refined product. This category includes dairy processing equipment operators.

High school diploma or equivalent

Less than 5 years

Electric Motor, Power Tool, and Related Repairers fix, maintain, or install electric motors, wiring, or switches.

High school diploma or equivalent

None

Mixing and Blending Machine Setters, Operators, and Tenders set up, operate, or tend machines to mix or blend materials, such as chemicals, tobacco, liquids, color pigments, or explosive ingredients.

High school diploma or equivalent

None

Control and valve installers and repairers install, repair, and maintain mechanical regulating and controlling devices, such as electric meters, gas regulators, thermostats, safety and flow valves, and other mechanical governors.

High school diploma or equivalent

None

Chemical Plant and System Operators control or operate entire chemical processes or system of machines.

High school diploma or equivalent

None

Metal and Plastic Extruding and Drawing Machine Setters, Operators, and Tenders set up, operate, or tend machines to extrude or draw thermoplastic or metal materials into tubes, rods, hoses, wire, bars, or structural shapes.

High school diploma or equivalent

None

Boilermakers assemble, install, maintain, and repair boilers, closed vats, and other large vessels or containers that hold liquids and gases.

High school diploma or equivalent

None

Welding, Soldering, and Brazing Machine Setters, Operators, and Tenders set up, operate, or tend welding, soldering, or brazing machines or robots that weld, braze, solder, or heat treat metal products, components, or assemblies.

High school diploma or equivalent

None

Chemical Equipment Operators and Tenders operate or tend equipment to control chemical changes or reactions in the processing of industrial or consumer products. The equipment that they use can include devulcanizers, steam-jacketed kettles, and reactor vessels.

High school diploma or equivalent

None

Synthetic and Glass Fiber Extruding and Forming Machine Setters, Operators, and Tenders set up, operate, or tend machines that extrude and form continuous filaments from synthetic materials, such as liquid polymer, rayon, and fiberglass.

High school diploma or equivalent

None

Engine and Other Machine Assemblers construct, assemble, or rebuild machines such as engines, turbines, and similar equipment used in industries like construction, extraction, textiles, and paper manufacturing.

High school diploma or equivalent

None

Metal and Plastic Heat Treating Equipment Setters, Operators, and Tenders set up, operate, or tend heating equipment such as heat-treating furnaces, flame-hardening machines, induction machines, soaking pits, or vacuum equipment to temper, harden, or heat-treat metal or plastic objects.

High school diploma or equivalent

None

Metal and Plastic Rolling Machine Setters, Operators, and Tenders set up, operate, or tend machines to roll steel or plastic. This process forms bends, beads, knurls, rolls, or plate or flattens, tempers, or reduces gauge of material.

High school diploma or equivalent

None

Metal Pourers and Casters are metal and plastic machine workers who operate hand-controlled mechanisms to pour and regulate the flow of molten metal into molds to produce castings or ingots.

No formal educational credential

None

Food and Tobacco Roasting, Baking, and Drying Machine Operators and Tenders operate or tend food or tobacco roasting, baking, or drying equipment, including hearth ovens, kiln driers, roasters, char kilns, and vacuum drying equipment.

High school diploma or equivalent

None

Coil Winders, Tapers, and Finishers wind wire coils used in electrical components, such as resistors and transformers, and in electrical equipment and instruments like field cores, bobbins, electrical motors, generators, and control equipment.

High school diploma or equivalent

None

Power Plant Operators, Distributors, and Dispatchers control the systems that generate and distribute electric power.

High school diploma or equivalent

None

Metal and Plastic Forging Machine Setters, Operators, and Tenders set up, operate, or tend forging machines to taper, shape, or form metal or plastic parts.