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Transmission​/Marine Technician

Job in Bohemia, Suffolk County, New York, 11716, USA
Listing for: Stewart & Stevenson Power Products LLC - ADDA Division
Full Time position
Listed on 2026-07-09
Job specializations:
  • Trades / Skilled Labor
    Heavy Equipment Mechanic, Diesel Mechanic
Salary/Wage Range or Industry Benchmark: 48.61 USD Hourly USD 48.61 HOUR
Job Description & How to Apply Below

Transmission & Marine Technician

We are seeking a skilled Transmission & Marine Technician to diagnose, maintain, and repair heavy-duty equipment, marine propulsion systems, and powertrain components. This position requires strong mechanical and electrical troubleshooting abilities, experience performing routine maintenance and major repairs, and a commitment to safety, quality, and customer service. Experience with Allison transmissions, marine diesel engines, and other major OEM drivetrain systems is highly desirable.

This position is a Union position. Employees are required to join IUOE Local 15C after 90 days of employment.

Pay Rates:

Tech III - $48.61 per hour

Employees with a CDL earn an additional $0.50 per hour.

Responsibilities
  • Diagnose and troubleshoot mechanical, electrical, hydraulic, and electronic issues on heavy-duty and marine equipment.
  • Perform routine preventive maintenance according to manufacturer and company guidelines.
  • Conduct complex repairs, overhauls, disassembly, and rebuilds of transmissions, diesel engines, propulsion systems, and related components.
  • Diagnose and repair marine diesel engines and associated vessel systems on both commercial and recreational vessels, including work performed dockside and onboard.
  • Repair and maintain marine propulsion systems, engine components, controls, electronics, and related subassemblies.
  • Utilize OEM diagnostic software, laptops, and portable diagnostic tools to identify and resolve equipment issues.
  • Coordinate with the parts department to identify and order parts necessary to complete repairs.
  • Accurately complete work orders, labor documentation, and time records in a timely manner.
  • Maintain a clean, organized, and safe work environment.
  • Perform all work in accordance with company quality standards and safety procedures.
  • Work independently and efficiently while providing excellent customer service.
  • Occasional overtime, weekends, and holiday work may be required to meet customer needs.
Qualifications
  • Strong electrical and mechanical diagnostic skills, including the use of multimeters, schematics, and OEM diagnostic software.
  • Proficiency with laptops, portable diagnostic equipment, and basic computer applications.
  • Dependable, trustworthy, and self-motivated.
  • Strong verbal and written communication skills.
  • Ability to manage workload effectively and meet deadlines while maintaining a high level of quality and customer satisfaction.

Education/

Experience:

  • High School Diploma or General Education (GED) and three to seven 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.

Computer

Skills:

  • Basic computer navigation and utilization skills required. Proficiency in Microsoft Office applications (Word, Excel, Outlook) preferred.
  • Ability to utilize laptop computers and portable diagnostic tools required.

Certificates & Licenses:

  • Valid driver's license with a clean driving record; CDL preferred.

Work Environment:

  • Work may be performed in a shop, customer facility, marina, dockside, onboard vessels, or other field service environments.
  • Service truck may be provided for field service assignments where applicable.
  • Ability to work safely in varying indoor, outdoor, and marine environments.
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