Yellow Iron Heavy Machinery Mechanic

posillicoinc· Texas Operations
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📍 Conroe, TX, USFULL TIME

About this role

Overview

Posillico is Building for Generations.

 

Posillico is a multi-disciplined and diversified construction company. Along with our Civil /foundation group, Posillico’s business units include Wastewater Division, Environmental Division, Utilities Division, Drilling Division, Paving Division, Posillico Consulting LLC, Posillico Developmental LLC, and Posillico Materials, LLC. These companies give Posillico the unequalled, leveraged experience required to complete complex structural and geotechnical projects successfully.

 

Posillico empowers a “people first, think safety” culture throughout our organization. This “people first” culture has helped to promote and maintain an excellent record of accomplishment. Posillico has an exceptional safety program coupled with proactive employees throughout its management and union staff. We offer all employees an excellent opportunity to be part of our developing business at Posillico, as we set the standards for excellence in the construction industry with our integrated solutions.

 

Our company mission is to complete all our projects safely, on time, on target and on budget while having a positive impact in the community.

 

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Responsibilities

POSITION SUMMARY:

 

The Yellow Iron Heavy Machinery Mechanic is responsible for inspecting, diagnosing, repairing, and performing preventive maintenance on heavy construction equipment ("yellow iron") to ensure safe, reliable, and efficient operation. This position works on a variety of diesel-powered construction equipment, including excavators, bulldozers, loaders, motor graders, articulated dump trucks, rollers, and other heavy machinery used in civil construction projects. The mechanic will troubleshoot hydraulic, electrical, powertrain, and engine systems while maintaining compliance with company safety standards and manufacturer specifications.

 

RESPONSIBILITIES:

  • Perform preventative maintenance and scheduled service on heavy construction equipment.
  • Diagnose mechanical, hydraulic, electrical, engine, drivetrain, and pneumatic system failures.
  • Repair and replace components including engines, transmissions, final drives, pumps, cylinders, valves, bearings, hoses, and undercarriage components.
  • Inspect equipment for safety, wear, and operational deficiencies.
  • Read and interpret service manuals, hydraulic schematics, electrical diagrams, and technical specifications.
  • Use computerized diagnostic software and manufacturer service tools to troubleshoot equipment issues.
  • Perform welding, cutting, fabrication, and minor machining as necessary to complete repairs.
  • Conduct field service repairs at construction sites and emergency breakdown repairs when required.
  • Maintain accurate maintenance records, repair documentation, and parts usage.
  • Coordinate with equipment operators to identify equipment concerns and verify repairs.
  • Maintain a clean, organized, and safe work environment.
  • Follow all OSHA regulations, company safety policies, and environmental requirements.
  • Assist in equipment inspections for DOT and company compliance.
  • Perform additional duties as assigned

Qualifications

QUALIFICATIONS:

  • High school diploma or GED required.
  • 3+ years of experience repairing heavy construction equipment or equivalent military/mechanical experience.
  • Strong knowledge of diesel engines, hydraulics, electrical systems, powertrain components, and heavy equipment diagnostics.
  • Ability to operate diagnostic software and electronic service tools.
  • Valid driver's license required.
  • Ability to travel to field job sites when needed.
  • CDL preferred but not required.

Reports to: Fleet Manager

 

Location: Conroe, TX

 

Comprehensive benefits offered to eligible employees including medical, dental, and vision coverage; life insurance; FSA; short- and long-term disability; identity theft protection; 401(k); employee assistance program; and paid time off.

 

Equal Employment Opportunity

 

Posillico Civil, Inc. is committed to maintaining a working environment that promotes teamwork and that is free of any and all forms of unlawful discrimination and harassment. Accordingly, all of its employment-related activities will be administered without regard to race, color, religion, sex, national origin, age, disability, veteran and military status, marital status, personal appearance, sexual orientation, family responsibilities, domestic violence victim status, matriculation, political affiliation, genetic information, predisposing genetic characteristics or other legally protected personal characteristic.

 

#LI-Onsite

 

Posillico Civil, Inc. together with its parent, subsidiaries, affiliates, partners and joint ventures (collectively “Posillico”) do not accept unsolicited resumes from any source other than directly from a candidate. Any unsolicited resumes sent to Posillico or an employee of Posillico, by mail, electronically, or otherwise will be considered property of Posillico. Posillico will not pay a fee for any placement resulting from the receipt of an unsolicited resume. Posillico will consider any candidate for whom an Agency has submitted an unsolicited resume to have been referred by the Agency free of any charges or fees. As a condition for payment, an Agency shall have an agreement signed by an authorized Posillico representative. Verbal or written communications from any employee of Posillico shall not be considered binding obligations. All resumes whether unsolicited or solicited shall be the property of Posillico

Frequently Asked Questions

Is the salary disclosed for the Yellow Iron Heavy Machinery Mechanic position at posillicoinc?
The salary for this Yellow Iron Heavy Machinery Mechanic role at posillicoinc is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Yellow Iron Heavy Machinery Mechanic position at posillicoinc located?
This Yellow Iron Heavy Machinery Mechanic role at posillicoinc is based in Conroe, TX, US. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Yellow Iron Heavy Machinery Mechanic role at posillicoinc full-time or part-time?
This is listed as a FULL TIME position. It is posted as a Yellow Iron Heavy Machinery Mechanic role in the Texas Operations department at posillicoinc.
Which team or department does the Yellow Iron Heavy Machinery Mechanic at posillicoinc belong to?
This Yellow Iron Heavy Machinery Mechanic position is part of the Texas Operations department at posillicoinc. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Yellow Iron Heavy Machinery Mechanic position at posillicoinc?
Click the "Apply Now" button on this page. You will be redirected to posillicoinc's official application portal hosted on icims where you can submit your application directly.
When was the Yellow Iron Heavy Machinery Mechanic job at posillicoinc posted?
This Yellow Iron Heavy Machinery Mechanic position at posillicoinc was posted on Aug 5, 2026. Apply as soon as possible — early applications are often reviewed first.
Yellow Iron Heavy Machinery Mechanic
posillicoinc
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