Field Service Mechanic

MasterTech; St. Louis (MO); On-site; USD 48,000 - 62,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life insurance

401(k) with company match

Paid time off

Gas card

Service truck

Job summary

MasterTech is seeking a Field Service Mechanic to maintain, diagnose, and repair heavy equipment in a St. Louis, MO field-service setting.

Factory and OEM training is offered on hire. Candidates with 3+ years as a Diesel Mechanic, a degree in Diesel Technology, and a valid driver's license are preferred.

Qualifications

• 3 or more years of experience as a Diesel Mechanic.
• Degree in Diesel Technology/Diesel Technician or equivalent.
• Good understanding of mechanical, electrical, and hydraulic systems.
• Valid driver's license with clean record.

Responsibilities

• Maintain, diagnose, and repair heavy equipment in a field service environment.
• Travel to job sites and work with factory and OEM training provided on hire.

Skills

Diesel mechanic experience

Mechanical aptitude

Field service experience

Education

Degree in Diesel Technology/Diesel Technician or equivalent

Job description

St. Louis, United States | Posted on 10/14/2026

MasterTech is on the search for a Field Service Mechanic in the St. Louis, MO area.

Compensation

• $35.00 - $45.00/hour based on experience, certifications, and education background.
• Comprehensive benefits package including medical, dental, vision, and life insurance for individual and dependants, health savings account, flexible spending account, short & long-term disability, 401(K) with company match, and paid-time-off and holidays.
• Service truck and gas card included for Field Service openings.

Shift

7:00AM - 3:30PM, Monday to Friday. Overtime available.

Job Description

Heavy Equipment Mechanics will be responsible for the maintenance, diagnostics, and repair of specialized utility vehicles in a field service environment. Factory and OEM training is offered upon hire. Mechanics with backgrounds working on heavy trucks, heavy equipment, and or utility vehicles (sweepers, refuse/garbage trucks, snow plows, etc.) are preferred.

Key Qualifications

• 3 or more years of experience as a Diesel Mechanic.
• Degree in Diesel Technology/Diesel Technician or equivalent.
• Good understanding of mechanical, electrical, and hydraulic systems.
• Valid driver's license with clean record