Diesel Mechanic

Rockville, VA

 

​Job Scope and Responsibilities:

The Diesel Mechanic is responsible for the maintenance, repair, and servicing of diesel-powered vehicles and equipment within the S.B. Cox Ready Mix fleet. This role ensures that all machinery operates safely and efficiently to support the company’s concrete delivery operations, playing a key part in maintaining operational reliability and uptime.

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Reporting Structure:

The Diesel Mechanic reports directly to the Shop Manager and has a reporting line to the Director of Equipment & Fleet Services, President and Vice President.

 

Key Duties:

• Maintenance and Repair:

  • Perform routine maintenance on diesel engines in mixer trucks, dump trucks, and other fleet equipment, including oil changes, tire rotations, and fluid checks.

  • Diagnose and repair mechanical and electrical issues using diagnostic tools and hands-on techniques.

  • Repair or replace components such as engines, transmissions, brakes, and hydraulic systems.

  • Conduct preventative maintenance to reduce downtime and extend equipment lifespan.

 

• Operational Support:

  • Test-drive vehicles post-repair to confirm operational standards are met.

  • Collaborate with drivers, dispatch, and operations managers to address equipment issues and schedule maintenance efficiently.

  • Maintain accurate records of repairs, parts usage, and service history for all fleet assets.

 

• Compliance and Safety:

  • Adhere to all company safety policies, health regulations, and industry standards during repairs and maintenance.

  • Keep work areas clean, organized, and secure to ensure a safe working environment.

 

• Collaboration:

  • Work closely with shop staff and supervisors to prioritize repairs and maintain fleet readiness.

  • Provide input on equipment conditions to support fleet management decisions.

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Qualifications:

• Proven experience as a Diesel Mechanic (minimum 2-3 years preferred).

• Strong knowledge of diesel engines, hydraulic systems, and electrical diagnostics.

• Proficiency with diagnostic equipment and hand/power tools.

• Valid driver’s license; CDL is a plus but not required.

• Physical ability to lift heavy parts and work in various conditions.

• Detail-oriented with solid problem-solving skills.

• Good communication skills and a team-oriented mindset.

• Certification (e.g., ASE) is advantageous but not mandatory.

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Additional Requirements:

• Ability to work independently and manage time effectively under tight deadlines.

• Willingness to adapt to changing priorities and support operational needs.

• Commitment to maintaining a safe and efficient work environment.