Field Service Tech - OWS

Liquid Environmental Solutions•Tigard, OR

8d•$33

About The Position

Liquid Environmental Solutions (LES) offers a career path—not just a seat behind the wheel. As a Field Service Technician (FST), you’ll combine your driving skills with hands-on, high-value service work that keeps essential businesses running while helping reclaim non-hazardous liquid waste for safe transport and processing. This is a role where you’re not just a driver—you’re a trained professional solving real problems, protecting the environment, and playing a direct role in a critical service industry. You’ll earn strong, reliable pay while building skills that increase your value over time. Many of our top performers advance into higher-level roles such as FST II and FST III, taking on more complex work, expanding their skillsets, and increasing their earning potential. With steady year-round work, modern equipment, and clear opportunities to grow, LES is the place for drivers who want stability, respect, and a true path forward. The Field Service Technician (FST) is responsible for operating specialized vacuum truck equipment to service wastewater systems and environmental infrastructure across commercial, industrial, and municipal customer sites. This position requires a strong focus on safety, mechanical awareness, and customer service, as well as the ability to work independently in the field. Liquid Environmental Solutions is seeking a self-motivated Field Service Technician (FST) to support a combination of grease trap service and cross-trained Oil-Water Separator (OWS) / grit service. This role is ideal for a self-starter who is comfortable working independently, managing long routes, and supporting both commercial and industrial customers. The position operates specialized service vehicles and equipment and requires a CDL Class A with manual transmission.

Requirements

Valid CDL Class A required
Manual transmission endorsement required
Ability to safely operate service vehicles and vacuum equipment
Self-starter with the ability to work independently on overnight routes
Mechanical aptitude and comfort working with both commercial and industrial systems
Strong attention to detail and ability to follow procedures
Professional communication and time-management skills

Nice To Haves

Grease trap or interceptor service experience
Oil-water separator or grit system service experience
Vacuum truck or similar equipment operation
Experience working in regulated, safety-sensitive, or multi-site environments

Responsibilities

Perform scheduled overnight grease trap service for restaurant customers throughout Oregon
Cross-train and assist with service of grit systems and oil-water separators (OWS)
Support OWS service operations across OR, WA, ID, and MT as needed
Operate vacuum trucks and related equipment in accordance with company safety and operating procedures
Remove liquid and solid waste materials, including grease, sludge, sand, and compacted solids
Perform visual inspections of systems and identify abnormal conditions, damage, or service concerns
Conduct manual removal of material when vacuum service alone is insufficient
Accurately complete service documentation, including job notes, volumes, and site observations
Communicate professionally with restaurant staff, industrial site personnel, and customer representatives
Follow all site-specific safety rules, PPE requirements, and access procedures
Ensure compliance with environmental, safety, DOT, and transportation regulations
Maintain cleanliness and basic upkeep of assigned vehicle and equipment