Mechanic- Potrero, CA

Gibraltar Fabrication; California (MO); On-site; USD 55,000 - 85,000; Full time

Job summary

Gibraltar Fabrication is seeking an experienced and motivated heavy equipment mechanic to support the maintenance and repair of construction equipment in field environments. This role diagnoses issues, performs repairs and preventive maintenance, and ensures equipment operates safely and efficiently to support project operations.

The position suits a self-directed professional who takes pride in quality work, values safety, and can work independently in a fast-paced job-site setting.

Qualifications

• 3+ years of experience as a heavy equipment mechanic.
• Experience with Caterpillar, Komatsu, John Deere, Volvo or similar equipment.
• Welding or basic fabrication experience preferred but not required.
• ASE, OEM, or manufacturer certifications preferred but not required.

Responsibilities

• Diagnose, troubleshoot, and repair heavy construction equipment, including excavators, dozers, loaders, and haul trucks.
• Perform preventive maintenance, inspections, and equipment adjustments to minimize downtime.
• Complete service reports, work orders, and maintenance documentation accurately and timely.
• Maintain a clean, organized service truck, tools, and parts inventory.
• Communicate equipment status, repair needs, and maintenance updates with operators, supervisors, and equipment management.
• Ensure equipment is properly fueled, greased, and serviced with the correct fluids and lubricants.
• Operate equipment as needed for testing, troubleshooting, and verification of repairs.
• Follow all company safety policies, manufacturer guidelines, and OSHA requirements.
• Maintain a safe and organized work environment in field and job-site conditions.

Skills

Diesel engines

Hydraulic systems

Electrical troubleshooting

Diagnostic software

Electronic service tools

Field service

Attention to detail

Communication

Safety mindset

Education

ASE/OEM certifications

Heavy equipment mechanic experience

Tools

Diagnostic software

Electronic service tools

Standard mechanical equipment

Job description

Career Opportunities with Gibraltar Fabrication

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We are seeking an experienced and motivated Mechanic to support the maintenance and repair of construction equipment in a field environment. This role is responsible for diagnosing issues, performing repairs and preventive maintenance, and ensuring equipment operates safely and efficiently to support project operations. The position is well-suited for a self-directed professional who takes pride in quality work, values safety, and can work independently in a fast-paced job-site setting.

What You’ll Do

• Diagnose, troubleshoot, and repair heavy construction equipment, including excavators, dozers, loaders, and haul trucks.
• Perform preventive maintenance, inspections, and equipment adjustments to minimize downtime and extend equipment life.
• Complete service reports, work orders, and maintenance documentation accurately and timely.
• Maintain a clean, organized service truck, tools, and parts inventory.
• Communicate equipment status, repair needs, and maintenance updates with operators, supervisors, and equipment management.
• Ensure equipment is properly fueled, greased, and serviced with the correct fluids and lubricants.
• Operate equipment as needed for testing, troubleshooting, and verification of repairs.
• Follow all company safety policies, manufacturer guidelines, and OSHA requirements.
• Maintain a safe and organized work environment in field and job-site conditions.

What You Bring

• Strong working knowledge of diesel engines, hydraulic systems, and electrical troubleshooting.
• Experience using diagnostic software, electronic service tools, and standard mechanical equipment.
• Ability to work independently in outdoor and active construction environments.
• Strong problem-solving skills, mechanical aptitude, and attention to detail.
• Effective communication skills and ability to coordinate with field personnel.
• Valid driver’s license with an acceptable driving record.
• Safety-focused mindset and commitment to quality workmanship.
• Authorization to work in the United States without sponsorship.

Education | Experience

• Three (3) or more years of experience as a heavy equipment mechanic; field service experience preferred.
• Preferred:
• Experience working with Caterpillar, Komatsu, John Deere, Volvo, or similar equipment.
• Welding or basic fabrication experience.
• ASE, OEM, or manufacturer certifications (not required).
• Ability to operate heavy equipment for testing and troubleshooting