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Mechanical Engineering Technologists and Technicians - 17-3027.00

O*NET-SOC Description

Apply theory and principles of mechanical engineering to modify, develop, test, or adjust machinery and equipment under direction of engineering staff or physical scientists.

Sample of Reported Job Titles

  • Engineering Laboratory Technician (Engineering Lab Technician)
  • Engineering Technical Analyst
  • Engineering Technician (Engineering Tech)
  • Engineering Technologist
  • Manufacturing Engineering Technician (Manufacturing Engineering Tech)
  • Mechanical Designer
  • Mechanical Technician (Mechanical Tech)
  • Process Engineering Technician (Process Engineering Tech)
  • Process Technician
  • Research and Development Technician (R and D Tech)

SOC Occupation Groups

Related Occupations


  • Analyze energy requirements and distribution systems to maximize the use of intermittent or inflexible renewable energy sources, such as wind or nuclear.
  • Analyze or estimate production costs, such as labor, equipment, and plant space.
  • Analyze test results in relation to design or rated specifications and test objectives, and modify or adjust equipment to meet specifications.
  • Assemble or disassemble complex mechanical systems.
  • Assist engineers to design, develop, test, or manufacture industrial machinery, consumer products, or other equipment.
  • Assist mechanical engineers in product testing through activities such as setting up instrumentation for automobile crash tests.
  • Calculate required capacities for equipment of proposed system to obtain specified performance and submit data to engineering personnel for approval.
  • Conduct failure analyses, document results, and recommend corrective actions.
  • Conduct statistical studies to analyze or compare production costs for sustainable and nonsustainable designs.
  • Design molds, tools, dies, jigs, or fixtures for use in manufacturing processes.
  • Design specialized or customized equipment, machines, or structures.
  • Devise, fabricate, or assemble new or modified mechanical components for products such as industrial machinery or equipment, and measuring instruments.
  • Discuss changes in design, method of manufacture and assembly, or drafting techniques and procedures with staff and coordinate corrections.
  • Draft detail drawing or sketch for drafting room completion or to request parts fabrication by machine, sheet or wood shops.
  • Estimate cost factors including labor and material for purchased and fabricated parts and costs for assembly, testing, or installing.
  • Evaluate tool drawing designs by measuring drawing dimensions and comparing with original specifications for form and function using engineering skills.
  • Interpret engineering sketches, specifications, or drawings.
  • Monitor, inspect, or test mechanical equipment.
  • Prepare equipment inspection schedules, reliability schedules, work plans, or other records.
  • Prepare layouts of machinery, tools, plants, or equipment.
  • Prepare parts sketches and write work orders and purchase requests to be furnished by outside contractors.
  • Prepare specifications, designs, or sketches for machines, components, or systems related to the generation, transmission, or use of mechanical or fluid energy.
  • Provide technical support to other employees regarding mechanical design, fabrication, testing, or documentation.
  • Read dials and meters to determine amperage, voltage, electrical output and input at specific operating temperature to analyze parts performance.
  • Record test procedures and results, numerical and graphical data, and recommendations for changes in product or test methods.
  • Review project instructions and blueprints to ascertain test specifications, procedures, and objectives, and test nature of technical problems such as redesign.
  • Review project instructions and specifications to identify, modify and plan requirements fabrication, assembly and testing.
  • Set up and conduct tests of complete units and components under operational conditions to investigate proposals for improving equipment performance.
  • Set up prototype and test apparatus and operate test controlling equipment to observe and record prototype test results.
  • Test machines, components, materials, or products to determine characteristics such as performance, strength, or response to stress.

Detailed Work Activities

  • Analyze costs and benefits of proposed designs or projects.
  • Analyze green technology design requirements.
  • Analyze test or validation data.
  • Assemble equipment or components.
  • Assemble mechanical components or machine parts.
  • Assist engineers or scientists with research.
  • Collaborate with others to develop or refine designs.
  • Conduct quantitative failure analyses of operational data.
  • Create graphical representations of industrial production systems.
  • Create graphical representations of mechanical equipment.
  • Design industrial equipment.
  • Document design or operational test results.
  • Document technical design details.
  • Estimate operational costs.
  • Estimate technical or resource requirements for development or production projects.
  • Evaluate designs or specifications to ensure quality.
  • Explain engineering drawings, specifications, or other technical information.
  • Fabricate devices or components.
  • Monitor the productivity or efficiency of industrial operations.
  • Prepare contracts, disclosures, or applications.
  • Provide technical guidance to other personnel.
  • Recommend technical design or process changes to improve efficiency, quality, or performance.
  • Review technical documents to plan work.
  • Schedule operational activities.
  • Test characteristics of materials or structures.
  • Test performance of electrical, electronic, mechanical, or integrated systems or equipment.
  • Test products for functionality or quality.

Military Crosswalk Titles

  • Aeronautical Engineering Officer, Aircraft Mechanical, Electronic, Electrical and Safety Equipment (Navy - Commissioned or Warrant Officer)
  • Aircraft Armament Development Officer (Navy - Commissioned or Warrant Officer)
  • Engineering Liaison Officer (Navy - Commissioned or Warrant Officer)
  • Ground Support Equipment and Ship Facilities Arrangement Officer (Navy - Commissioned or Warrant Officer)
  • Launching, Recovery and Landing Aids Engineering Officer (Navy - Commissioned or Warrant Officer)
  • Mechanical Engineering Assistant (Army - Enlisted)
  • Naval Engineering Inspection Officer (Navy - Commissioned or Warrant Officer)
  • Naval Engineering Officer, Ship Design (Navy - Commissioned or Warrant Officer)
  • Naval Engineering Trials and Survey Officer (Navy - Commissioned or Warrant Officer)
  • Precision Measurement Equipment Laboratory (Air Force - Enlisted)
  • Precision Measurement Equipment Laboratory Apprentice (Air Force - Enlisted)
  • Precision Measurement Equipment Laboratory Craftsman (Air Force - Enlisted)
  • Precision Measurement Equipment Laboratory Helper (Air Force - Enlisted)
  • Precision Measurement Equipment Laboratory Journeyman (Air Force - Enlisted)
  • Precision Measurement Equipment Laboratory Superintendent (Air Force - Enlisted)
  • Ship Type Engineering Officer (Navy - Commissioned or Warrant Officer)
  • Test and Evaluation (Army - Commissioned Officer only)
  • Unit Supply Specialist (Army - Enlisted)

Apprenticeship Crosswalk Titles

  • Heat Transfer Technician
  • Mech Engineering Technician
  • Optomechanical Technician
  • Tool Design Checker

DOT Crosswalk Titles

  • Die-Drawing Checker
  • Drawings Checker, Engineering
  • Heat-Transfer Technician
  • Mechanical Engineer
  • Mechanical-Engineering Technician
  • Optomechanical Technician
  • Tool Design Checker