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TerraSource Global is currently seeking Machine Builders to join our Belleville, IL team! Our Belleville, IL location is located a mere 17 minutes from downtown St. Louis, MO.

Position Summary

Assembles and checks new machines, sub-assemblies; and disassembles and repairs new or used machines, as required, in a manner prescribed on process sheets and to dimensions specified on drawings.

Essential Duties and Responsibilities

  • Mechanical, electrical, hydraulic, and pneumatic assembly.
  • Machine repair and rebuilding.
  • Lift, position, and secure machined parts on surface plates or worktables, using hoists, vises, v-blocks, or angle plates.
  • Measure, mark, and scribe metal to lay out machining, using instruments such as protractors, micrometers, scribes, and rulers.
  • Operates drill press, grinder, welder, blaster, paint equipment, and small power tools to assist in assembly operation.
  • Verifies conformance of finished assembly or sub-assemblies to specifications to assure quality.
  • Conduct test runs with completed machines and subassemblies to ensure that parts meet operational requirements.
  • Reads and interprets drawings, sketches, and manuals to determine dimensions and tolerances of finished assembly or sub-assembly.
  • Maintains a clean and safe work environment.
  • Provide support with Material handling, shipping & receiving and kitting parts
  • Completes all necessary process, attendance, and quality records as required.
  • Other duties may be assigned.


Trade School Certificate, Associate’s degree (A.A.) or equivalent from a two-year college or technical school; or a minimum of 2 year(s) related experience and/or training; or equivalent combination of education and experience with an emphasis in this field.

Prior experience as a mechanic preferred


Strong Mechanical skills: Precision assembly work on a variety of medium to large machine tools and are familiar with holding tight tolerance work (.001").

Language Skills: Ability to read and interpret documents such as safety rules, operating and maintenance instructions and procedure manuals.  Ability to write routine reports and correspondence.  Ability to speak effectively before groups of customers or employees.

Mathematical Skills:  Ability to work with and apply mathematical concepts such as fractions, percentages, ratios and proportions to practical situations.

Reasoning Ability: Use of judgment to plan, perform and make decisions as to the sequence of set-ups, operations and processes within the limitations of recognized or standard methods and procedures.

Other skills and abilities:

  • Ability to read and use all types of measuring instruments to verify accuracy of the assembly or sub-assembly
  • Ability to read and interpret drawings
  • Ability to drive a forklift safely and efficiently and pass forklift certification and driving test
  • Ability to operate overhead and jib cranes safely with adequate training

At TerraSource Global we strive to build a diverse workforce through equal opportunity employment that embraces and leverages the differences each individual has to offer. Equal Employment Opportunity/ Affirmative Action Employer of minorities/females/disabled/veterans


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