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Diesel Optimization Jobs in Tennessee (NOW HIRING)

MAHLE GmbH

Mechanical Engineer

Morristown, TN · On-site

$70 - $100/hr

... Diesel Pistons Operations reporting to the Head of Heavy-Duty Diesel Productions you will be ... Work with Industrial Engineers in the creation and optimization of CNC programs for the manufacture ...

MAHLE

Mechanical Engineer

Morristown, TN · On-site

Your Contribution As a Mechanical Engineer - Heavy Duty Diesel Pistons Operations reporting to the ... Work with Industrial Engineers in the creation and optimization of CNC programs for the manufacture ...

MAHLE

Mechanical Engineer

Morristown, TN · On-site

Your Contribution As a Mechanical Engineer - Heavy Duty Diesel Pistons Operations reporting to the ... Work with Industrial Engineers in the creation and optimization of CNC programs for the manufacture ...

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Infographic showing various Diesel Optimization job openings in Tennessee as of June 2026, with employment types broken down into 59% Full Time, and 41% Contract. Highlights an 100% In-person job distribution.

Senior Field Service Mechanic/Technician - Forklifts & Heavy Machinery

WMH

Knoxville, TN • On-site

$22.25 - $30.25/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 8 days ago

Key responsibilities

  • Service and repair forklifts, heavy machinery, and material handling equipment on-site at customer locations.

  • Perform advanced diagnostics, troubleshoot mechanical, hydraulic, and electrical issues, and execute repairs to maximize equipment uptime.

  • Train, mentor, and develop junior technicians while maintaining accurate documentation and ensuring safety and compliance standards.

Job description

Description
️ Seize the Opportunity: As a Senior Technician, You're Not Just Fixing Equipment—You're Powering Industry, Mentoring Talent, & Driving Excellence. ⚙️


Why WMH? Because Your Career Deserves More!
At WMH (www.wmhsolutions.com), we don’t just offer jobs—we build unstoppable careers.  With over 35 years of industry excellence, we’ve grown into the Southeast’s fastest-growing material handling leader, with 11 locations across NC, SC, TN, VA, GA & AL—and we’re just getting started.
We operate on honor, integrity, and a relentless drive for excellence. Your success is our mission, which is why we invest in training, mentorship, and leadership development to accelerate your career.
What sets us apart? We’re not just another dealership—we’re redefining the industry as a full-scale solutions provider, delivering cutting-edge automation, fleet technology, and next-level innovation that keeps businesses moving forward. When you join WMH, you’re stepping into a future filled with opportunity, advancement, and impact—because here, your career moves forward.
WMH is seeking a Senior Mechanic/Technician to join our elite team. As a Senior Mechanic/Technician, you’ll play a critical role in ensuring peak performance, taking charge of advanced diagnostics, precision repairs, and proactive maintenance on cutting-edge equipment. But this role is more than just turning wrenches—it’s about leading by example, optimizing performance, and mentoring the next generation of skilled technicians. Your expertise will fuel operational success, maximize uptime, and push industry standards forward while fostering a team-driven culture of excellence. At WMH, we don’t just fix equipment—we keep industries moving, develop top-tier talent, and set the gold standard for reliability and innovation in material handling.️ 
Your Mission?
To be the driving force behind operational excellence, delivering advanced diagnostics, expert-level repairs, and proactive maintenance that maximizes uptime and efficiency. You'll play a critical role in ensuring peak performance for our clients while leading, mentoring, and developing the next wave of skilled technicians. At WMH, your experience isn’t just valued—it’s the foundation for the future.

Key Responsibilities
Independence & Field Expertise 
✅ Hit the Road: Start your workday from home, servicing customers on-site in a company-provided van with the latest tools & diagnostic technology.
✅ Own Your Territory: Maintain and repair forklifts, heavy machinery, and material handling equipment across warehousing, distribution, and manufacturing industries.
✅ Be the Expert in the Field: Deliver on-site service with speed, accuracy, and professionalism—our customers rely on you!
Advanced Diagnostics & Repairs
✅ Troubleshoot Like a Pro – Diagnose complex mechanical, hydraulic, and electrical issues with precision and efficiency.
✅ Fix it Right, The First Time – Execute top-quality repairs & preventive maintenance to maximize uptime & minimize breakdowns.
✅ Own the Fleet – Maintain WMH and customer equipment at peak performance through scheduled maintenance, inspections, and safety checks.
Lead & Mentor the Next Generation‍
✅ Train & Develop Junior Techs – Share your expertise, foster a culture of excellence, and guide the next generation of mechanics.
✅ Be a Leader – Set the gold standard in service, helping newer technicians refine their skills and elevate their careers.
Customer Engagement & Service Excellence
✅ Deliver Outstanding Customer Support – Work closely with clients, providing expert consultation, service recommendations, and technical solutions.
✅ Customer-Focused Communication – Keep customers informed about service updates, repairs, and proactive maintenance.
Documentation & Compliance️ 
✅ Precision Documentation – Maintain accurate service reports, repair logs, and work orders to ensure seamless operations.
✅ Safety & Compliance First – Uphold OSHA standards, industry regulations, and best practices to keep work environments safe and efficient.
 The Field:
  • Diverse job sites.
  • Weather-ready – wet, humid, hot, or cold.
  • Embrace dust and noise.

Power Up:
This job is active, demanding your presence - standing, walking, bending, kneeling, stooping, crouching. You'll lift and move items weighing over 50 lbs. Vision? You've got it - close, distant, color, peripheral, depth perception, and a knack for adjusting focus. ️️

Skills, Knowledge and Expertise ️️
✔ Experience: 5+ years as a mechanic/technician in material handling, heavy equipment, or automotive industries.
✔ Technical Expertise: Advanced knowledge of diesel engines, hydraulics, electrical systems, and industrial machinery.
✔ Certifications: ASE Certification (preferred) in brakes, electrical, diesel, and preventative maintenance. Forklift certification a plus!
✔ Mechanical & Electrical Skills: Ability to diagnose, troubleshoot, repair, and maintain complex industrial equipment.
✔ Industry Knowledge: Familiarity with OSHA regulations, equipment compliance, and workplace safety standards.
✔ Problem-Solving Mindset: Strong troubleshooting and critical-thinking skills to resolve issues efficiently.
✔ Leadership & Mentorship: Proven ability to train, coach, and guide junior technicians.
✔ Customer Service Excellence: Outstanding communication and relationship-building skills.
✔ Technical Proficiency: Experience with diagnostic software, schematics, Microsoft Office, digital work platforms, & fleet management systems.
✔ Work Ethic & Drive: Self-motivated, detail-oriented, and results-driven.
✔ Physical Requirements: Ability to lift 50+ lbs, work in various conditions, and travel within assigned territory.
✔ Valid Driver’s License: Required for company van usage. 

Perks of Being a WMH Team Member:
Premium Health Coverage –  Your well-being matters! We offer premium medical, dental, and vision insurance with HSA & PPO options + company-paid AD&D & life insurance (with additional coverage available).
Exclusive Training & Career Growth –  Gain cutting-edge technical skills with our OEM-exclusive and in-house training programs. We invest in your growth, leadership, and future success.
Time to Recharge – Enjoy a generous PTO plan + paid holidays so you can rest, recharge, and spend time with loved ones.
Competitive pay & performance-Based Incentives -Earn what you're worth! 100% of your travel time is paid—no flat rates.
️ Tool Allowance (Paid Quarterly!) – Keep your gear in top condition with regular tool reimbursements.
Uniforms Provided & Laundered Weekly – Look sharp on the job without the hassle!
‍ PPE & Safety Shoe Allowance – We’ve got you covered with protective gear and workwear support.
Stay Connected – Get a monthly cell phone allowance to ensure you have the tools to communicate effectively.
Company Van, Tablet & Fuel Card – Take your fully-equipped van home and work within your service area with ease.
  Secure Your Future – 401(k) match up to 9% + profit-sharing benefits to help you build long-term financial success.
Unmatched Job Stability in a Booming Industry – Material handling is the backbone of logistics, warehousing, and supply chains. Your skills will always be in demand.
⚖️ Work-Life Balance That Works for You – We know flexibility matters, and we offer schedules that support a thriving career and personal life.
Ongoing Professional Development – We invest in your success with mentorship, leadership training, skill-building opportunities & career advancement opportunities. 
Be Part of Something Bigger – At WMH, you're not just another employee—you’re a key player in an industry that keeps the world moving.
Your Cue: Take the Wheel of Your Future!
This isn’t just another job—it’s your chance to be part of a powerhouse team that’s revolutionizing the industry and redefining careers. At WMH, we don’t just keep businesses moving—we propel careers to new heights.
Don’t wait. Don’t watch. Be part of something BIG, something BOLD, something that makes you excited to jump out of bed every morning!

The future is calling—ignite yours today! Apply now.