Diesel Service Technician - PMC-Brookhaven

Diesel Service Technician - PMC-Brookhaven

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.

• 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.

• 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.

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‑trade 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.

• 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

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.

Entry level

Full‑time

Information Technology

Machinery Manufacturing

We’re the Caterpillar® heavy equipment, engine, and rental services dealer for central and southern Mississippi. And we’re the authorized Weiler forestry machine dealer and SITECH construction technology dealer for the southern half of the state. We provide the finest equipment money can buy, and we support it with top‑quality parts, the best service in the industry, and expertise you won’t find anywhere else.

The Puckett companies are:
Puckett Machinery, Puckett Rents, Puckett Power Systems, SITECH South MS.