Medium & Heavy-Duty Diesel Technician

Acts Fleet Maintenance • Knoxville, TN

8d • Onsite

About The Position

ACTS Fleet is hiring experienced Medium & Heavy-Duty Diesel Technicians in Knoxville, TN—and we built this role for techs who know their craft and want long-term stability. If you’re confident with diagnostics, preventative maintenance, and medium/heavy truck repairs, this is a shop where your skills are respected and your time matters. You’ll service medium to heavy-duty commercial trucks and fleet vehicles, focusing on uptime, safety, and quality repairs—not rushed guesswork.

Requirements

• Solid hands-on experience as a diesel technician
• Strong diagnostic skills (not just parts swapping)
• Familiarity with OEM and aftermarket scan tools
• Ability to work independently and follow repair procedures

Nice To Haves

• CDL preferred, not required

Responsibilities

• PM services on fleet trucks (DOT inspections, fluids, filters, brakes)
• Diagnosing and repairing medium & heavy-duty diesel engines
• Advanced computer diagnostics on late-model trucks
• Brake systems, steering & suspension, driveline, and transmissions
• Engine accessories, electrical systems, and emissions components
• Verifying repairs through inspections and test drives
• Using shop-provided hoists, hydraulic jacks, and modern tooling
• Reading fault codes and diagnostic data to make accurate repairs the first time

Benefits

• Pay That Respects Your Skill
• Earn 20–30% above industry average
• Weekly Pay
• Paid every Friday
• Work-Life Balance That’s Real
• 3-day weekends every other week
• Benefits That Matter
• Health insurance, PTO, paid uniforms, and more
• Paid OEM Training
• Mitsubishi, Cummins, NAPA & ongoing technical education
• Clean, Modern Shop
• Professional facility with up-to-date equipment
• Career Advancement
• Clear leadership paths through our Technician Growth Program©

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed