Diesel Service Technician

2 weeks ago

Hattiesburg, MS, United States PMC (Puckett Machinery Company) Full time
  • Company Name PMC (Puckett Machinery Company)
  • Hiring Location Hattiesburg, 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.

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