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Diesel Mechanic at Ames Construction · Katori

Ames Construction has been building America for more than 60 years, and the people who work here are the reason we continue to succeed.

We are a full-service, heavy civil and industrial contractor building critical infrastructure, including highways, bridges, mines, dams, rail, and more. Our teams take on challenging projects that keep communities safe, supply chains moving, and the country connected.

At Ames, we are Fueled by Family and Driven by Ownership. That means we look out for one another, take pride in what we build, and take responsibility for our actions, our results, and the long-term health of the company.

Guided by our core values of People, Team, Our Bond, Persistence, and Vision, we do what we say we will do, push through challenges and deliver work we’re proud of.

When you join Ames, you’re joining a company built for long-term success — where skilled people, strong teams, and disciplined execution come together to build careers and a better future.

Ames Federal Contracting Group is seeking a skilled Diesel Mechanic to inspect, diagnose, repair, and maintain diesel-powered heavy equipment and construction vehicles used in highway, civil, mining, rail, and industrial construction projects. The mechanic plays a critical role in ensuring equipment reliability, safety, and operational efficiency.

Essential Duties and Responsibilities

Diagnose and repair diesel engines, hydraulic systems, electrical systems, transmissions, and drivetrain components.
Perform preventive maintenance services, including 250-hour, 500-hour, 1,000-hour, and 2,000-hour service intervals.
Conduct equipment inspections and troubleshoot mechanical issues.
Maintain and repair heavy construction equipment such as:
- Excavators
- Dozers
- Wheel loaders
- Articulated haul trucks
- Skid steers
- On-road trucks
Perform oil changes, fluid checks, and routine maintenance tasks.
Fuel equipment and maintain accurate fuel logs.
Ensure equipment complies with safety and regulatory requirements.
Complete maintenance records, repair documentation, and work orders.
Coordinate with operations and project teams to minimize equipment downtime.
Adhere to all company safety policies and procedures.

Qualifications

10 years of experience repairing and maintaining diesel engines and heavy construction equipment.
Strong troubleshooting and diagnostic skills.
Experience working on CAT (Caterpillar) equipment preferred.
Knowledge of hydraulic, electrical, and mechanical systems.
Ability to read service manuals, schematics, and repair documentation.
Valid driver's license required.
Class B CDL with Tanker and Hazmat endorsements may be required for some positions.
Ability to work flexible schedules, including day or night shifts when necessary.
Ability to work independently and as part of a team.

Physical Requirements

Lift and carry heavy tools and components.
Work outdoors in varying weather conditions.
Stand, bend, kneel, climb, and work in confined spaces for extended periods.
Safely operate service trucks and shop equipment.

Preferred Qualifications

Technical training in diesel technology, heavy equipment repair, or a related field.
OEM certifications (CAT, Cummins, etc.).
Welding and fabrication experience.
Construction industry experience.

Ames Construction is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. This position requires ensuring compliance with CMMC, FAR, and Accounting Standards in all Federal efforts.

Diesel Mechanic

Diesel Mechanic

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