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Engine and Other Machine Assemblers

Construct, assemble, or rebuild machines, such as engines, turbines, and similar equipment used in such industries as construction, extraction, textiles, and paper manufacturing.

How does this connect to your interests? →

A look at the work

  • Read and interpret assembly blueprints or specifications manuals, and plan assembly or building operations.
  • Inspect, operate, and test completed products to verify functioning, machine capabilities, or conformance to customer specifications.
  • Position or align components for assembly, manually or using hoists.
  • Set and verify parts clearances.
  • Verify conformance of parts to stock lists or blueprints, using measuring instruments such as calipers, gauges, or micrometers.
  • Fasten or install piping, fixtures, or wiring and electrical components to form assemblies or subassemblies, using hand tools, rivet guns, or welding equipment.
  • Remove rough spots and smooth surfaces to fit, trim, or clean parts, using hand tools or power tools.
  • Lay out and drill, ream, tap, or cut parts for assembly.

A selection of source-listed tasks; duties vary by role and employer.

Interests involved in this work

These source scores describe occupational work activities. They are separate from your personal test results.

Hands-on

2026-02 · Machine Learning/Expert

7.0 / 7

Investigative

2026-02 · Machine Learning/Expert

2.7 / 7

Creative

2026-02 · Machine Learning/Expert

1.2 / 7

Helping people

2026-02 · Machine Learning/Expert

1.0 / 7

Enterprising

2026-02 · Machine Learning/Expert

1.1 / 7

Organizing

2026-02 · Machine Learning/Expert

4.4 / 7

Skills to explore

Source-reported importance on a 1–5 scale. Try a course, project or conversation to learn what these skills involve.

Operations Monitoring

Watching gauges, dials, or other indicators to make sure a machine is working properly.

2014-07

3.4 / 5

Reading Comprehension

Understanding written sentences and paragraphs in work-related documents.

2014-07

3.1 / 5

Quality Control Analysis

Conducting tests and inspections of products, services, or processes to evaluate quality or performance.

2014-07

3.1 / 5

Active Listening

Giving full attention to what other people are saying, taking time to understand the points being made, asking questions as appropriate, and not interrupting at inappropriate times.

2014-07

3.0 / 5

Speaking

Talking to others to convey information effectively.

2014-07

3.0 / 5

Critical Thinking

Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions, or approaches to problems.

2014-07

3.0 / 5

Monitoring

Monitoring/Assessing performance of yourself, other individuals, or organizations to make improvements or take corrective action.

2014-07

3.0 / 5

Operation and Control

Controlling operations of equipment or systems.

2014-07

2.9 / 5

Equipment Maintenance

Performing routine maintenance on equipment and determining when and what kind of maintenance is needed.

2014-07

2.9 / 5

Troubleshooting

Determining causes of operating errors and deciding what to do about it.

2014-07

2.9 / 5

Plan a small next step

Talk to someone doing this work, look for a supervised activity, and explore the subjects that interest you. Admission, licensing and current program requirements should be confirmed with the relevant institutions.

Source preparation category: Job Zone 2 of 5 · 2026-02. This category describes typical preparation, not your eligibility.

Related study fields

Source crosswalk connections are research leads, not required qualifications.

Engine Machinist →

Explore all related study fields →

Source & methodology

O*NET-SOC code 51-2031.00 · Database 31.0 · Retrieved Oct 14, 2026. Dates on individual observations describe their source periods.

How interest exploration matching works →

Data: O*NET® 31.0 Database, U.S. Department of Labor, Employment and Training Administration. Used under CC BY 4.0. StudyIndex normalizes the presentation and adds exploration features; USDOL/ETA has not approved, endorsed or tested these additions.