Diesel Service Technician

Company NamePMC (Puckett Machinery Company)

Hiring LocationHattiesburg, MS

Be the Power Behind Heavy Equipment.

Are you hands-on, mechanically inclined, and ready to jumpstart a career that keeps the world moving? Join our team as a Diesel Service Technician and work on powerful Caterpillar heavy equipment, making sure it's running strong when it matters most.

This is an excellent entry-level opportunity for mechanically minded individuals looking to grow in a skilled trade. You'll work independently and alongside experienced technicians in a professional service shop environment. From preventive maintenance to diagnostics and major repairs, you'll be at the heart of what keeps construction, agriculture, and industry rolling.

What You'll Do:

• Tear down, reassemble and install diesel-powered equipment—engines, hydraulic systems, electrical systems, and powertrain components—with precision and pride.
• Troubleshoot like a detective: Identify issues, determine root causes, and perform efficient repairs.
• Maintain and repair equipment and components, following safety protocols and quality standards.
• Test and adjust machine systems using cutting-edge diagnostic tools.
• Evaluate parts for reusability based on OEM guidelines, and coordinate replacement parts orders with your supervisor.
• Complete clear, detailed service reports and keep your supervisor in the loop throughout your repairs.
• Ensure every machine is tested, inspected, and ready to perform before delivery.
• Keep your workspace clean, tools maintained, and yourself looking sharp - professionalism matters here.
• Stay current with new tools, technologies, and industry innovations.
• Be flexible: perform related duties as assigned to support our customers and team.

Job Requirements:

What You Bring to the Role:

• High school diploma or GED required. Technical training in diesel engines, heavy equipment, or military mechanical experience preferred.
• Previous experience in diesel, automotive, or truck engine repair environments a plus.
• Solid understanding of diesel engines, hydraulic and electrical systems, and mechanical diagnostics.
• Proficient with mechanical tools and diagnostic equipment.
• Strong problem-solving skills, attention to detail, and a drive for accuracy.
• Comfortable reading schematics, manuals, and technical documents.
• Physically capable of lifting, standing, and working in a demanding shop environment for 8–10 hour shifts.
• Competent with computer systems – you will learn to use our systems like SIS and DBS.
• Ability to work overtime and occasional weekends when needed.
• A set of basic mechanic hand tools – wrenches, sockets, and drives are a must.

Why This Role & Why Puckett Machinery Company?

As a Shop Service Technician, you'll be hands-on with some of the most advanced equipment in the industry, diagnosing and repairing heavy machinery in a clean, well-equipped shop environment. This is a fantastic opportunity to launch or grow your skilled trades career. You'll work shoulder-to-shoulder with experienced mentors, gain exposure to a wide range of systems, and take pride in high-quality repairs that keep our customers running strong.

What We Offer:

• Competitive hourly pay with regular overtime opportunities
• Flexible scheduling options, including a 4-day workweek
• Comprehensive benefits package (health, dental, vision, 401(k), PTO, and more)
• Steady, full-time schedule in a safe and professional shop environment
• Mentorship and on-the-job training from experienced technicians
• Advanced tools and diagnostic technologies
• Caterpillar and in-house technical training programs
• Career growth opportunities within a well-established company
• A culture built on safety, respect, and customer service excellence

Join a Team That Builds Mississippi—One Machine at a Time.

At Puckett Machinery, every wrench turn in the shop supports the people building our communities—from highways and farms to factories and job sites. As a Shop Service Technician, you're not just fixing machines - you're powering progress across Mississippi. If you're ready to grow your career, master new technologies, and be part of a team that takes pride in doing things right, this is where you belong.