Maintenance Workers, Machinery

Lubricate machinery, change parts, or perform other routine machinery maintenance.

Most important skills

  1. Operations Monitoring
  2. Equipment Maintenance
  3. Troubleshooting
  4. Repairing
  5. Operation and Control
  6. Quality Control Analysis
  7. Reading Comprehension
  8. Active Listening

Key knowledge

  1. Mechanical
  2. Production and Processing
  3. Administration and Management
  4. English Language
  5. Design
  6. Education and Training
  7. Engineering and Technology
  8. Mathematics

What the work involves

  • Reassemble machines after the completion of repair or maintenance work.
  • Start machines and observe mechanical operation to determine efficiency and to detect problems.
  • Inspect or test damaged machine parts, and mark defective areas or advise supervisors of repair needs.
  • Lubricate or apply adhesives or other materials to machines, machine parts, or other equipment according to specified procedures.
  • Install, replace, or change machine parts and attachments, according to production specifications.
  • Dismantle machines and remove parts for repair, using hand tools, chain falls, jacks, cranes, or hoists.
  • Record production, repair, and machine maintenance information.
  • Read work orders and specifications to determine machines and equipment requiring repair or maintenance.

Strongest interest areas (O*NET): Realistic, Conventional, Investigative.

Qualifications and licensing

Most common education
Post-Secondary Certificate (54.1% of respondents)
Related experience
Over 1 year, up to and including 2 years (36.3%)
On-the-job training
Over 3 months, up to and including 6 months (36.7%)
Preparation level
O*NET job zone 3: Job Zone Three: Medium Preparation Needed
Licensing
Not yet verified. Check your state licensing board.
Check before planning
  • Licensing for Maintenance Workers, Machinery is not yet verified for any state: check the state licensing board before planning.
Limits
  • Distributions show what current workers or occupational experts report, not legal minimums.
  • Requirements vary by employer and state; time to qualify is not estimated.

Source: O*NET 31.0 Database (USDOL/ETA, CC BY 4.0); BLS Employment Projections · dataset 2026.10.8 · method e3-qualification-1.0.0

Work environment

How the typical conditions of this occupation compare with 911 occupations in O*NET (very low = the lowest fifth).

Levels are relative. Most occupations involve a lot of contact with people, for example, so “very low” can still mean regular contact; the last column shows what workers actually reported.

Rankings compare typical U.S. occupation-level work conditions; individual jobs and employers vary. Data: O*NET 31.0 Work Context and BLS wages (May 2025).
ConditionLevelCompared with other occupationsMost common answer (O*NET survey)
Contact with othersModerateLower on contact with others than 59% of occupations compared55% of surveyed respondents chose “Contact with others most of the time”
Dealing with the publicVery lowLower on dealing with the public than 84% of occupations compared50% of surveyed respondents chose “Not important at all”
TeamworkLowLower on teamwork than 60% of occupations compared40% of surveyed respondents chose “Extremely important”
Freedom to make decisionsHighHigher on freedom to make decisions than 77% of occupations compared57% of surveyed respondents chose “A lot of freedom”
Time pressureLowLower on time pressure than 63% of occupations compared41% of surveyed respondents chose “Once a month or more but not every week”
Conflict situationsLowLower on conflict situations than 60% of occupations compared26% of surveyed respondents chose “Once a month or more but not every week”
Dealing with unpleasant or angry peopleLowLower on dealing with unpleasant or angry people than 71% of occupations compared32% of surveyed respondents chose “Once a year or more but not every month”
Consequence of errorVery highHigher on consequence of error than 86% of occupations compared52% of surveyed respondents chose “Extremely serious”

Work-pressure profile

  • Time pressure: low
  • Conflict situations: low
  • Dealing with unpleasant or angry people: low
  • Consequence of error: very high

Each part is shown on its own. There is no combined stress score, and conditions vary by employer and role.

Full answer distributions

Contact with others

  • No contact with others: 0%
  • Occasional contact with others: 6.03%
  • Contact with others about half the time: 0%
  • Contact with others most of the time: 55.16%
  • Constant contact with others: 38.81%

n = 22, Incumbent 08/2024

Dealing with the public

  • Not important at all: 49.67%
  • Fairly important: 13.84%
  • Important: 4.6%
  • Very important: 8.96%
  • Extremely important: 22.93%

n = 22, Incumbent 08/2024

Teamwork

  • Not important at all: 0%
  • Fairly important: 2.72%
  • Important: 21.02%
  • Very important: 36.17%
  • Extremely important: 40.09%

n = 22, Incumbent 08/2024

Freedom to make decisions

  • No freedom: 0%
  • Very little freedom: 1.47%
  • Limited freedom: 9.76%
  • Some freedom: 32.14%
  • A lot of freedom: 56.63%

n = 22, Incumbent 08/2024

Time pressure

  • Never: 7.25%
  • Once a year or more but not every month: 0%
  • Once a month or more but not every week: 40.68%
  • Once a week or more but not every day: 19.19%
  • Every day: 32.87%

n = 22, Incumbent 08/2024

Conflict situations

  • Never: 24.24%
  • Once a year or more but not every month: 26.19%
  • Once a month or more but not every week: 26.46%
  • Once a week or more but not every day: 3.9%
  • Every day: 19.21%

n = 21, Incumbent 08/2024

Dealing with unpleasant or angry people

  • Never: 27.18%
  • Once a year or more but not every month: 31.61%
  • Once a month or more but not every week: 20.16%
  • Once a week or more but not every day: 13.8%
  • Every day: 7.25%

n = 22, Incumbent 08/2024

Consequence of error

  • Not serious at all: 1.47%
  • Fairly serious: 22.31%
  • Serious: 16.52%
  • Very serious: 7.25%
  • Extremely serious: 52.45%

n = 22, Incumbent 08/2024

Is this career right for me? Find jobs with conditions you prefer

Where people with this background could move

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    Closeness 94/100

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    Closeness 93/100 · job zone -1

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Find more alternativesCompare skills with another job

O*NET-SOC 49-9043.00 · SOC 49-9043 (exact, high confidence) · dataset 2026.10.8