Field Service Tech I - OWS (Oil Water Seperator) Job Category : Services & Solutions
Requisition Number : FIELD003546
Posted : October 16, 2026
Full-Time
On-site
Locations Showing 1 location
Hayward, CA 94545, USA

Description Field Service Technician (FST) – Grit / Oil-Water Separator (OWS)
Position Summary
The Field Service Technician (FST) – Grit / Oil-Water Separator (OWS) is responsible for servicing industrial grit systems, oil-water separators, pits, troughs, and related wastewater infrastructure at commercial and industrial customer sites. This role supports environmental compliance, customer safety, and operational reliability through professional service execution, accurate documentation, and adherence to site-specific requirements.
This position operates specialized service vehicles and equipment and requires a valid Commercial Driver’s License (CDL).
Compensation: starting at $35/hr
Location: Hayward, Ca
Schedule: 5am starts (10 to 14 hour days) M-F (occasional Saturdays)
*Approx 50% expected OTR Travel
Essential Job Functions
Perform scheduled service and maintenance of grit systems, oil-water separators, pits, troughs, and related infrastructure
Operate vacuum trucks and related equipment in accordance with company policies and safety procedures
Remove liquid and solid waste materials, including dense or 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
Maintain accurate service documentation, including job notes, volumes, and site observations
Communicate professionally with customer representatives, including operations and safety personnel
Follow all site-specific safety rules, PPE requirements, and access procedures




Ensure compliance with environmental, safety, and transportation regulations
Maintain cleanliness and basic upkeep of assigned vehicle and equipment
Industrial, commercial, and outdoor environments
Exposure to weather conditions, odors, and industrial settings
Work may involve confined or controlled-access areas
Use of required PPE, including protective clothing and safety equipment
Physical Requirements
Ability to perform physically demanding work, including frequent heavy lifting and extended hose handling
Ability to manually remove compacted solids from pits, sumps, or troughs when required
Frequent standing, walking, bending, climbing, and working around industrial equipment
Ability to work in varying weather conditions
Qualifications
Valid Commercial Driver’s License (CDL) required
Ability to safely operate service vehicles and equipment
Mechanical aptitude and comfort working with industrial systems
Strong attention to detail and ability to follow procedures
Skilled communication skills
Ability to work independently and manage time effectively
Preferred Experience (Not Required)
Industrial wastewater or environmental services experience
Oil-water separator or grit system service experience
Vacuum truck or similar equipment operation
Experience working in regulated or safety-sensitive environments
Position Expectations
Industrial, technical service role
Compliance-focused and detail-oriented
Physically demanding at times
Lower daily stop count than restaurant grease routes, with heavier material per stop
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws.For further information, please review the Know Your Rights notice from the Department of Labor.

#J-18808-Ljbffr

📌 Field Service Tech I - OWS (Oil Water Seperator) (Ontario)
🏢 Liquid Brand
📍 Ontario