Mechanical assembler

#91Declining

3/5

Key facts

−1.3%jobs, 2025 to 2035

United States

This job is declining in the United States. AI exposure: low according to the ILO, low according to the BLS. Employment change in the United States by 2035: −1.3% (BLS). Future-proof jobs use similar skills: see "What next?".

The job

Mechanical machinery assemblers (ISCO 8211). Mechanical machinery assemblers assemble, according to procedures strictly laid down, component parts of mechanical machinery such as engines, motor vehicles, turbines and aircraft.

Page built from official classifications (ILO, ESCO); figures cover all the jobs grouped here.

185 job titles linked to this page

Titles from the European ESCO classification. They are also used for search.

aeroplane assembler
aeroplane engine assembler
aeroplane engine builder
aircraft assembler
aircraft engine assembler
aircraft fitter
aircraft fuselage assembler
aircraft mechanical systems installer
aircraft rigging assembler
aircraft structure assembler
aircraft sub-assembly installer
aircraft wing assembler
airplane engine assembler
airplane engine builder
assembler in mechatronic equipment manufacture
assembler of mechatronic equipment
assembly line machine tender
assembly line operative
assembly line operator
assembly worker
auto assembler
auto parts assembler
automobile assembler
automotive parts assembler
bench precision assembler
bicycle builder
bicycle constructor
bike builder
bike constructor
boat engine assembler
boat engine assembler/tester
boat engine builder
bus body assembler
bus engine assembler
bus engine builder
car assembler
car body assembler
car builder
car engine assembler
car engine builder
car factory operative
car factory worker
car parts assembler
car production line worker
carriage assembler
carriage assembly worker
carriage builder
civilian aircraft engine assembler
civilian aircraft engine builder
coach body assembler
coach engine assembler
coach engine builder
constructor of mechatronic equipment
cycle assembler
cycle builder
cycle constructor
diesel engine assembler
diesel engine builder
dual fuel engine assembler
electric engine assembler
electric engine builder
electric motor assembler
final assembler
fixed wing aircraft
flight control assembler
flight control installer
four-stroke diesel engine assembler
gas engine assembler
gas engine builder
gas turbine engine assembler
helicopter assembler
helicopter engine assembler
helicopter engine builder
hybrid engine assembler
hybrid engine builder
industrial machinery assembler
industrial machinery assembly line inspector
jet aircraft assembler
jet aircraft engine assembler
jet aircraft engine builder
light aircraft engine assembler
light aircraft engine builder
liquid natural gas engine assembler
LNG engine assembler
locomotive assembler
locomotive assembly worker
locomotive builder
lorry assembler
lorry body assembler
lorry builder
lorry engine assembler
lorry engine builder
lorry parts assembler
lorry production line worker
machine assembler
machine assembly worker
manufacturing assembler
marine engine assembler
marine engine assembler/tester
marine engine builder
marine steam engine assembler
mechatronic assembly technician
mechatronic equipment assembler
mechatronic equipment constructor
mechatronic equipment fabricator
mechatronic equipment inspector
mechatronic equipment operator
mechatronic equipment production assembler
mechatronic equipment repairer
mechatronic equipment supervisor
mechatronic installer
mechatronics assembler
mechatronics fabricator
mechatronics fitter
mechatronics installer
military aircraft assembler
military aircraft engine assembler
military aircraft engine builder
moped assembler
moped builder
moped constructor
motor vehicle assembler
motor vehicle assemblies inspector
motor vehicle assemblies tester
motor vehicle assembly inspector
motor vehicle assembly tester
motor vehicle body assembler
motor vehicle body builder
motor vehicle builder
motor vehicle engine assembler
motor vehicle parts assembler
motor vehicle parts inspector
motor vehicle parts tester
motorbike assembler
motorbike builder
motorbike constructor
motorcycle assembler
motorcycle body assembler
multiple unit assembler
multiple unit assembly worker
multiple unit builder
nuclear reactor assembler
outboard motor assembler
petrol engine assembler
petrol engine builder
piston aircraft engine assembler
piston aircraft engine builder
plane assembler
plane engine assembler
plane engine builder
rail vehicle assembler
rail vehicle assembly worker
rail vehicle builder
railcar assembler
railcar assembly worker
railcar builder
railway vehicle assembler
railway vehicle assembly worker
railway vehicle builder
robotic assembler
robotic equipment inspector
robotic equipment operator
robotic equipment repairer
robotic equipment supervisor
robotic fitter
rolling stock assembler
rolling stock assembly worker
rolling stock builder
rotary aircraft engine assembler
rotary aircraft engine builder
scooter assembler
scooter builder
scooter constructor
sub assembler
truck body assembler
truck builder
truck engine assembler
truck engine builder
truck production line worker
two-stroke diesel engineer assembler
vehicle production body assembler
vessel engine assembler
wagon assembler
wagon assembly worker
wagon builder

What next?

Future-proof jobs that draw on skills close to this one. They are leads to explore, not an assessment of your profile.

ChangingIndustrial maintenance technician
ChangingMechanical engineering technician
ChangingAircraft mechanic

Indicative matches: at launch they will come from the skills listed in official occupational directories.

Gauges

Risk 3/5 · Moderate

AI exposureLowILO, 2025 index

Employment outlookDeclineBLS, 2025-2035 projections (Engine and other machine assemblers; Aircraft mechanics and service technicians; Aircraft structure, surfaces, rigging, and systems assemblers (+4))

Hiring difficultyNot availableNo US indicator measures hiring difficulty job by job

PayAverageBLS, 2025 median annual wage: $65,357

EntryQuickBLS, typical education needed for entry

No US indicator measures hiring difficulty job by job: this gauge stays empty. How countries are compared

Sources

AI exposure categories and employment projections, 2025-2035 (XLSX file)Bureau of Labor Statistics, United States · August 2026 · official statistics
Generative AI and Jobs: a refined global index of occupational exposureInternational Labour Organization and NASK · May 2025 · large survey
ESCO, European classification of skills, competences, qualifications and occupations (job titles and O*NET crosswalk)European Commission · version 1.2 · official statistics
Jobs in 2030: projections by occupational family (summary table)Dares and France Stratégie · March 2022 · official statistics
EURES report on labour shortages and surpluses 2025, annexEuropean Labour Authority · June 2026 · official statistics

Checked on 27 October 2026.