Aggregate Service Technician

Aggregate Apprenticeship

The Aggregate Service Technician Certification Apprenticeship Program is a highly skilled career path, where On-the-Job (OJT) training paired with mentoring from experienced Aggregate experts is supplemented by Related Instruction (RI) through ApprenticeshipND, training seminars, factory trainings and other technical trainings as determined by the company. Upon satisfactory completion of the program, the Apprentice will receive an Aggregate Service Technician Certification from the US Department of Labor and will have the confidence to work in any area of the Aggregate Service Department operations.

We are looking for employees with a good attitude, good work ethic and enjoy working with their hands and who believe in our core values of Do the Right Thing, Be Curious, Have Passion, and Be Innovative.

  • High School Graduate or GED is required. Military or civilian industry experience would be a benefit, but not required.
  • The 3-year program is comprised of 6,000 hours of combined OJT (On-the Job Training), supplemented by 432 hours of RI (Related Instruction). Industry experience is a plus and will be reviewed to determine how applicable experience can translate into earned hours toward the program.
  • Starting pay and additional wage reviews and increases will be within the Apprentice Pay Scale based on experience.
  • Regular Full-Time Employment; Eligible for our complete benefits package.
  • Apprentices work alongside experienced employees and managers.


The Aggregate Service Technician Certification Apprenticeship Program is comprised of the following areas of study to help you build a successful career. A brief overview of the breakdown of OJT and RI are outlined below. Accommodations will be made to alternate between OJT and RI.

Industry Specific Knowledge: Business and department specific software, understanding printed and online reference material, product terminology, introduction to equipment set up and function, manufacturer-specific application review, application safety practices and MSHA (New Miner) Certification, customer relations training, and welding/fabrication.

Aggregate Screens (Inclined & Flat): Application and production theory, adjustments and timing, drive options, screen repair and screen cloth replacement, and maintenance and servicing.

Conveyor and Components: Conveyor sizing and production capacities, conveyor drive mechanisms and their maintenance, conveyor belt replacement and types of belting, conveyor set up and operation, and conveyor repair and troubleshooting.

Compression Crushers (Jaws & Cones), Impact Crushers (Horizontal & Vertical Shaft), and Mobile Track Crushing & Screening Equipment: Review types and sizes of crushers, crusher sizing and production capacities, crusher wear parts–measurement and replacement, crusher drive components and sizing, maintenance and repairs, diagnostic troubleshooting, and crusher set up and operation.

Aggregate Washing Equipment: Review types and sizes of aggregate washing equipment, identify the components used in aggregate washing and processing, washing equipment sizing and various power sources, maintenance and repairs, and diagnostic troubleshooting.

Power Systems (Diesel, Electric & Controls): Review types and sizes of power sources in aggregate processing application, generator sizing and production capacities, motor sizing and production capacities, power systems component identification, maintenance and repairs, diagnostic troubleshooting, generator set up and operation, various types of control systems and their function, and operational safety process.

Related Instruction: Self-study courses through ApprenticeshipND, factory trainings and technical trainings as determined by the company.

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