Marine & Heavy-Duty Transmission Technician

Demand Detroit

Bohemia (NY)

On-site

USD 63,000 - 73,000

Full time

14 days+
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Job summary

Demand Detroit is seeking a Transmission & Marine Technician to diagnose, maintain, and repair heavy‑duty equipment, marine propulsion systems, and powertrain components. The role requires strong mechanical and electrical troubleshooting, preventive maintenance, and a commitment to safety and quality.

Experience with Allison transmissions, marine diesel engines, and other OEM drivetrain systems is highly desirable.

Qualifications

  • High School Diploma or GED with 3–7 years related experience.
  • Technical degree or certification in diesel, marine, or heavy equipment repair preferred.
  • Experience with Allison transmissions and/or major OEM transmission rebuilds preferred.
  • Cummins engine experience, including Insite diagnostics, a plus.

Responsibilities

  • Diagnose and troubleshoot heavy-duty and marine equipment.
  • Perform routine preventive maintenance per guidelines.
  • Repair and overhaul transmissions, diesel engines, propulsion systems.
  • Diagnose marine diesel engines and vessel systems dockside and onboard.
  • Repair and maintain marine propulsion systems and related components.
  • Utilize OEM diagnostic software and portable tools to identify issues.
  • Coordinate with parts to identify and order needed items.
  • Complete work orders and time Records accurately.
  • Maintain a clean, safe work environment and meet safety standards.
  • Work independently with strong customer service focus.
  • Occasional overtime, weekends, and holidays may be required.

Skills

Mechanical troubleshooting
Electrical troubleshooting
Safety conscious
Customer service oriented
Strong communication

Education

High School Diploma or GED
Technical degree or certification in diesel/marine/heavy equipment repair
Experience with Allison transmissions and OEM rebuilds
Cummins Insite diagnostics experience

Tools

OEM diagnostic software
Laptops/portable diagnostic tools

Job description

Demand Detroit is seeking a Transmission & Marine Technician to diagnose, maintain, and repair heavy‑duty equipment, marine propulsion systems, and powertrain components. The role requires strong mechanical and electrical troubleshooting, preventive maintenance, and a commitment to safety and quality.

Experience with Allison transmissions, marine diesel engines, and other OEM drivetrain systems is highly desirable.

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