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Holcim (US) Inc. Heavy Mobile Field Mechanic in North Aurora, Illinois


All duties are performed in a work-safe manner; plant safety rules are followed and individual works as a team member.

This mechanical position will travel through the Greater Chicagoland LafargeHolcim Aggregate locations.


  • Execute manufacturer Preventative Maintenance Program for all HME equipment per site you are responsible for.

  • Work with site mechanics and personnel to develop any necessary extra maintenance programs

  • Operate and maintain regional lube truck per LafargeHolcim standards

  • Troubleshoot & repair all problems with HME (electrical, mechanical, hydraulic, etc.)

  • Be able to help forecast upcoming equipment repairs and needs, work with plant, personal in having supplies on hand to perform repairs when arriving on sites.

  • Develop winter work schedule with time, materials and cost

  • Work with Management on cost control

  • Demonstrates a commitment to communicating, improving and adhering to safety policies in all work environments and areas.



Required Education: High School diploma/GED

Required Work Experience: 5 years related experience

Travel Requirements : 50% Chicagoland area

Additional Requirements

  • Must pass all plant minimum required hiring qualifications.

  • Work well in a team and a minimum supervised setting.

  • Must be willing to work holidays, weekends various shifts and overtime as directed.

  • Demonstrated ability for positive contributions when working within teams.

  • Must be willing to accept change and strive for improvement.

  • Demonstrated ability to operate mobile equipment.

  • Must possess basic computer skills.

  • Possess communication skills.

  • CDL

Schedule: Flexible limited to 60 hours per week

Prerequisite Training and Experience:

In order to perform and qualify for this job, LafargeHolcim requires the person must have at least 5 years of related experience including but not limited to:

  • Intimate knowledge of the equipment and its capabilities and operational

  • Requirements, such that proper maintenance programs can be developed

  • Extensive experience maintaining and repairing heavy mobile equipment

  • Extensive hydraulics, diagnostic, electrical and schematic knowledge.

  • Limited machinist skills, able to read precision measurement instruments.

  • Welding and fabrication skills: welding with arc and gas (certificate)

  • Experience managing the maintenance on a fleet of equipment.

  • Manufacturer sponsored training (certification).

  • Must provide own set of mechanics hand tools.

  • Must have CDL

  • MSHA Part 48 trained highly preferred

  • Flexibility to work in dedicated fab shop or on site at various mining environments (Sand & Gravel, Quarry, Underground)

ADA Limitations

While performing the duties of this job the employee must be able to travel through a Aggregate plant, i.e. walk over obstacles, climb stairs and ladders, lift heavy or awkward parts, wear personal protective equipment (hardhat, safety glasses, fall protection, respirators etc.). The employee will at times be exposed to extremely hot/cold, dusty, noisy, or dark situations. At times, work will be performed at great heights or in small confined spaces.

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Position Type Hourly Full-Time

# of Openings 1

Requisition ID 2021-9504

Category Operations

Product Line Aggregates

Job Locations US-IL-North Aurora

Company Aggregate Industries Management, Inc.