Demo

Grease Masters Field Service Technician

Liquid Brand
Saint Louis, MO Full Time
POSTED ON 12/11/2025
AVAILABLE BEFORE 2/11/2026

Field Service Technician (CDL Driver)

Company: Grease Masters — A Liquid Environmental Solutions Company

Compensation: Starting wages based on incoming license (with no prior industry experience required!)

Class B: starting at $26.50/hr

Class A: starting at $28.50/hr

Also, ask if you qualify for a $2,500 sign-on bonus!!

Schedule: Monday–Friday (40–50 hours per week), some Saturdays as required
Start Time: 5AM (until route completion -- 10 to 12 hours possibly)

Location: 1818 Scherer Pkwy, St Charles, MO  63303


About Us

Grease Masters has been a trusted local provider of grease trap service, liquid waste collection, and environmental solutions throughout St. Louis for years. Today, Grease Masters operates as a Liquid Environmental Solutions company, combining the reputation of a local service provider with the resources, safety programs, fleet investment, and environmental mission of a national leader.

As a Field Service Technician (FST), you will support local customers in the restaurant, food service, industrial, and commercial sectors while being home every day. You’ll operate modern vacuum and tanker trucks, deliver professional service, and play a critical role in protecting public health and the environment.

What You’ll Do

  • Safely drive and operate vacuum or tanker trucks to service grease traps, used cooking oil bins, and liquid waste containers
  • Complete assigned route, document service results, and return to the home terminal daily
  • Maintain compliance with DOT, state laws, and company safety requirements
  • Handle loading/unloading procedures to prevent spills and ensure clean, compliant service
  • Represent Grease Masters professionally to customers and facility contacts
  • Complete manifests, logs, bills of lading, and service records accurately
  • Maintain vehicle cleanliness, equipment readiness, and safety inspections
  • Report equipment, route, or customer issues promptly to dispatch or management
  • Work as a reliable team member and assist with operational duties as needed

Requirements

  • Valid CDL Class A or Class B license
  • Tanker endorsement and airbrake endorsement required at start
  • Air Brake endorsement required at start
  • Minimum of 1 year commercial (or military) driving experience
  • Ability to lift 55 lbs or more
  • No more than two moving violations in three years
  • No more than one DOT-recordable accident in three years
  • DOT medical qualification required
  • Reliable, safety-focused, and able to work early morning start times
  • Vacuum truck experience and manual-transmission (10-speed) experience strongly preferred
  • Must be legally authorized to work in the United States
  • Must register with FMCSA Clearinghouse

Why Work With Us

  • Local work — return home daily
  • Hourly pay plus overtime
  • Stable, consistent scheduling and routing
  • Industry-leading trucks, safety gear, and technology
  • Full benefits package:
    • Medical, dental, and vision insurance
    • 401(k) with company match
    • Paid holidays, vacation and PTO
    • Company-paid life insurance
    • Referral bonus program
  • National support with local identity, customer familiarity, and upward mobility

Who Thrives Here

This job is ideal for CDL drivers who:

  • Prefer local work over long-haul and overnight trips
  • Appreciate structured routes and predictable hours
  • Value being part of an environmental services mission
  • Take pride in doing hands-on, essential, sanitary work for their community
  • Want stability, benefits, and a supportive team culture
  • Enjoy working independently and getting the job done right

Equal Opportunity Employer Statement

Grease Masters — a Liquid Environmental Solutions Company — is committed to employing a diverse workforce. Qualified applicants will receive consideration without regard to race, color, religion, sex, national origin, age, sexual orientation, protected veteran status, disability, or other protected categories.

Salary.com Estimation for Grease Masters Field Service Technician in Saint Louis, MO
$53,738 to $70,323
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Grease Masters Field Service Technician?

Sign up to receive alerts about other jobs on the Grease Masters Field Service Technician career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$49,707 - $66,695
Income Estimation: 
$62,239 - $76,399
Income Estimation: 
$56,866 - $72,428
Income Estimation: 
$59,230 - $80,236
Income Estimation: 
$72,742 - $95,551
Income Estimation: 
$59,092 - $82,272
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Liquid Brand

  • Liquid Brand Fraser, MI
  • Job Opportunity: Sewer Snaking & Hydro Jetting Technician Company: Dover Grease Traps (a division of Liquid Environmental Solutions) Location: Fraser / Det... more
  • 14 Days Ago

  • Liquid Brand Oklahoma, OK
  • Are you a CDL driver looking for a local, steady job with competitive pay and great benefits? At Liquid Environmental Solutions, we offer an opportunity to... more
  • 15 Days Ago

  • Liquid Brand West Chester, OH
  • Liquid Environmental Solutions seeks CLASS A CDL Drivers to join our OVERNIGHT team in Cincinnati/ West Chester! Overnight CDL Class A Tanker Truck Driver ... more
  • 12 Days Ago

  • Liquid Brand Dallas, TX
  • Office Administrator – Dallas Plant (On-Site) Location: 1115 Goodnight Ln, Dallas, TX Schedule: Monday to Friday, 8:00 AM – 5:00 PM (Full-Time) Pay: $23.00... more
  • 12 Days Ago


Not the job you're looking for? Here are some other Grease Masters Field Service Technician jobs in the Saint Louis, MO area that may be a better fit.

  • Ace Grease Service Millstadt, IL
  • Lead Diesel Mechanic / Fleet Diesel Technician Pay: $45.00 – $50.00 per hour (DOE) Job Type: Full-time Schedule: 40 hours per week Location: On-site About ... more
  • 12 Days Ago

  • Field Operations Sikeston, MO
  • This role requires the ability to work lawfully in the U.S. without employment-based immigration sponsorship, now or in the future. Earn $20.00/hour, with ... more
  • 25 Days Ago

AI Assistant is available now!

Feel free to start your new journey!