Heavy-Duty Diesel Mechanic

About Us Since 1976, Shenandoah has been a trusted leader in the trenchless construction industry, combining decades of experience with cutting-edge technology to deliver turnkey solutions. Our extensive fleet—including hydraulic cleaning trucks, video inspection units, test and seal equipment, and heavy machinery—allows us to manage projects of any size, backed by a skilled team of managers, estimators, and superintendents. We are equipped to mobilize crews beyond our target area to provide reliable, efficient service wherever it’s needed. For over 40 years, we have partnered with our customers to extend the life of their infrastructure, maximize budgets, and implement strategic maintenance and rehabilitation programs. By staying at the forefront of industry-changing technologies, Shenandoah ensures every project is completed safely, efficiently, and to the highest standards, delivering long-term value and peace of mind to our clients. Position Overview The Heavy-Duty Diesel Mechanic is responsible for the maintenance, diagnostics, and repair of Shenandoah Construction’s heavy equipment, construction vehicles, and fleet at our Phoenix, Arizona branch. This position will primarily work out of the Phoenix branch, maintaining equipment and vehicles to ensure they remain safe, reliable, and ready for operation. The mechanic may occasionally provide field service or respond to equipment repair needs at local project sites as required. This position requires strong troubleshooting skills, attention to detail, and adherence to safety and DOT compliance standards. What You’ll Do Perform preventative maintenance, repairs, and diagnostics on heavy construction vehicles and equipment at the Phoenix branch. Perform occasional field repairs and service at local project sites as needed. Maintain and service equipment used in trenchless construction, pipeline rehabilitation, and specialty civil projects. Work on a variety of equipment, including Vactor trucks, CCTV trucks, light-duty trucks, generators, and light-duty trailers. Diagnose and repair mechanical, hydraulic, and electrical systems. Maintain accurate service records and document repairs and parts usage. Identify equipment issues and communicate repair needs, safety concerns, and recommendations to supervisors and project managers. Ensure all work complies with safety, DOT, and company requirements. Perform other duties as required. Work Schedule Monday-Friday, with Saturdays as needed. Based at the Phoenix, AZ branch. Occasional local travel to project sites may be required for field repairs or service. Flexible schedule to accommodate operational needs. Perks of the Job Weekly Pay 401(k) + Company Match Comprehensive Medical, Dental, and Vision Insurance Company-paid life insurance Paid Time Off (PTO) Opportunities for career advancement and professional growth Shenandoah is an Equal Employment Opportunity (EEO) employer committed to fostering a diverse and inclusive workforce.

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