Mobile Diesel Technician – Repair & Maintenance

Mobile Diesel Technician – Repair & Maintenance

Mobile Auto Mechanics Inc. — Deer Park, NY

Pay: (based on experience)
Schedule: Full-time — 7:00 AM to 5:00 PM — No remote work

Why Technicians Choose Mobile Auto Mechanics

Mobile Auto Mechanics is one of Long Island’s largest independent providers of on-site commercial truck and equipment services, backed by a full-scale heavy-duty repair shop. Founded in 2010 by brothers Frank and Rob Lecrichia, MAM has grown from one service truck to a high-capacity fleet solutions operation serving major fleets, municipalities, and commercial customers across Long Island. Our expansion has always come from one core formula:
Quality work strong ethics unmatched customer trust.

Technicians who join us stay because we offer:

• Clean, organized, well-lit bays - that makes your work easier and more professional
• Heavy-duty mobile post lifts - capable of lifting dump trucks, tractors, and large commercial equipment
• OEM diagnostic laptops provided (Cummins, Ford, Isuzu, etc.)
• Paid training and certifications - to grow your skills and advance your career
• New Cintas uniforms - Professional, clean, consistent appearance — and we cover it.
• A strong, positive, team-first culture - with zero egos and strong communication
• A shop leadership team that actually wants you to grow
• Respect, stability, and a place you can build a long career

We’re looking for someone who wants long-term stability, takes pride in their work, and thrives in a busy, high-standard commercial truck environment.

What You’ll Be Doing

Your role will combine diagnostics and hands-on mechanical repair.
You’ll be one of our go-to techs for heavy-duty troubleshooting and accurate repairs.

Daily responsibilities:

• Diagnose & repair heavy-duty diesel engines and commercial trucks
• Complete OEM repair procedures and follow manufacturer standards
• Perform mechanical repairs including:
• Truck brakes
• Radiators & cooling systems
• Suspension & steering
• Electrical & aftertreatment
• Use OEM & aftermarket diagnostic software
• Perform NYS & DOT inspections
• Document all work clearly using our shop management system
• Support and mentor junior techs when needed
• Work closely with a foreman who keeps jobs moving and supports you

What We’re Looking For

These requirements help filter for real heavy-duty experience:

Required

• 5 years of heavy-duty diesel truck or commercial equipment experience
• Experience with Freightliner, International, Volvo/Mack, Ford, Isuzu, Hino, etc.
• Capable of performing both diagnostics and mechanical repairs
• Familiarity with aftertreatment systems (DPF, SCR, EGR)
• Experience using OEM or high-end diagnostic platforms
• Valid driver’s license (CDL A/B preferred but not required)
• Must own necessary hand tools for commercial trucks
• Ability to thrive in a busy, fast-paced, high-standard shop

Preferred (but not required)

• CDL License
• Prior fleet or dealership experience
• Any leadership, foreman, or mentor experience

Pay & Benefits

• See Above - based on experience
• 401(k) matching
• Health, Dental, Vision, Life insurance
• Paid time off & paid holidays
• Employee discounts
• Referral bonuses
• Paid training
• Stable year-round work

Who Succeeds Here

Technicians who thrive at MAM are:

• Dependable & consistent
• Detail-oriented and committed to doing the job right
• People-oriented team players
• Self-motivated problem solvers
• Proud of their craft and always improving
• Comfortable taking on new challenges

How to Know If This Job Is for You

You’ll be a strong fit if you want:

• A shop that’s clean, organized, and built for professional techs
• Strong leadership that respects your time and skills
• Support from foremen, advisors, and systems — not chaos
• Real diagnostic challenges, not entry-level work
• A company that matches your ambition

If you're hungry to grow, take pride in your work, and want a great place to build your career — we’d love to talk.

Job Type: Full-time

Pay: $80,000.00 - $120,000.00 per year

Benefits:

• 401(k)
• Dental insurance
• Employee discount
• Health insurance
• Life insurance
• Paid time off
• Referral program
• Retirement plan
• Tuition reimbursement
• Vision insurance

Experience:

• Automotive diagnostics: 2 years (Required)
• Automotive repair: 4 years (Required)
• Diesel engine repair: 1 year (Required)

License/Certification:

• Driver's License (Required)
• CDL (Preferred)
• ASE Certification (Preferred)
• ASE Medium-Heavy Truck Certification (Preferred)

Ability to Commute:

• Deer Park, NY 11729 (Required)

Work Location: In person

Salary : $80,000 - $120,000