Transmission/Marine Technician

Demand Detroit; Bohemia (NY); On-site; USD 63,000 - 73,000; Full time

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

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.

• 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.
• 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.