Field Service Technician (Class A CDL Truck Driver)

Position Overview:

The Field Service Technician I (FST I) is a company driver responsible for delivering exceptional service while servicing grease traps and used cooking oil bins from restaurants, industrial plants, shopping centers, and convenient stores. During the execution of services, our FST’s are responsible for complying with all DOT, state regulations, and company safety and compliance policies.

Schedule: Monday - Friday 5am - 3pm

Pay: $21 - $23/hr with OT pay after 40

Location: 1821 East Sugar Cane Drive, Weslaco, TX 78599, USA

Position requires a Class A, unrestricted license with a Tanker Endorsement (Tanker experience preferred )

Liquid Environmental Solutions (LES) is hiring experienced CDL‑A drivers who want reliable, year‑round work and don’t mind getting their hands dirty. If you’re looking for a stable overnight role with solid pay, overtime, and full benefits, this could be a great fit.

This is local overnight field service work operating tanker and vacuum trucks at commercial and industrial sites. It’s hands‑on, physical work — but it’s honest, essential, and recession‑resistant. And yes… it pays well.

What You’ll Do

• Operate CDL‑A tanker/vacuum trucks safely and efficiently


• Perform overnight service work at customer facilities


• Use industrial equipment such as hoses, pumps, and tanks


• Complete DVIRs, safety checks, and service documentation


• Work outdoors or industrial environments


• Represent LES professionally with customers and teammates

Schedule & Work Environment

• Overnight / night shift (required)


• Local routes — no long-haul, no hotels


• Overtime, weekends, and longer shifts available


• Year‑round work — no seasonal layoffs

What We’re Looking For

• Valid CDL‑A license (Tanker endorsement required)


• Ability to perform physical work: lifting, pulling, climbing, bending


• Comfort working in dirty, greasy, industrial settings


• Strong safety mindset and acceptable driving record


• Dependable, self‑directed, and accountable

What You Get

• Competitive hourly pay + overtime opportunities


• Full benefits package: medical, dental, vision, 401(k), PTO


• Well‑maintained, modern equipment


• Local work — go home when your shift ends


• A stable company doing essential work that doesn’t slow down

Why Drivers Stay

At LES, our drivers value job security, consistency, and being treated with respect. You’ll work hard — but you’ll be paid fairly, supported by a team, and have dependable work you can count on.

Apply today if you’re ready for steady overnight driving with real earning potential.