Mechanic- Potrero, CA

Gibralter Border Barriers; South El Monte (CA); On-site; USD 60,000 - 90,000; Full time

Job summary

Gibralter Border Barriers currently seeks an experienced heavy equipment mechanic to maintain and repair construction equipment in field environments. The role involves diagnosing issues, performing repairs, and conducting preventive maintenance to keep equipment operating safely and efficiently on projects.

This position requires the ability to work outdoors in a fast-paced job-site setting, strong problem-solving skills, and a commitment to quality workmanship.

Qualifications

• Three+ years of experience as a heavy equipment mechanic.
• Experience 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.

Responsibilities

• Diagnose, troubleshoot, and repair heavy construction equipment.
• Perform preventive maintenance, inspections, and equipment adjustments.
• Complete service reports, work orders, and maintenance documentation.
• Maintain a clean, organized service truck, tools, and parts inventory.
• Communicate equipment status, repair needs, and maintenance updates with operators, supervisors, and equipment management.
• Follow all safety policies, manufacturer guidelines, and OSHA requirements.
• Operate equipment as needed for testing and verification of repairs.

Skills

Diesel engines

Hydraulic systems

Electrical troubleshooting

Diagnostic software

Electronic service tools

Communication

Valid driver’s license

Tools

Diagnostic software

Electronic service tools

Job description

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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