Field Service Tech I - OWS (Oil Water Seperator)

Liquid Env Solutions of California; Hayward (CA); On-site; USD 40,000 - 57,000; Full time

Job summary

Liquid Env Solutions of California is seeking a Field Service Technician (FST) – Grit / Oil-Water Separator to service industrial wastewater systems at commercial sites in Hayward, CA. A CDL is required, and the role includes ~50% travel with early starts and 10–14 hour days, Monday–Friday and occasional Saturdays.

You will perform maintenance on grit systems and OWS, operate vacuum trucks, document service notes, and uphold strict safety standards in various environments.

Qualifications

• Valid Commercial Driver’s License (CDL) required.
• Mechanically inclined and comfortable with industrial systems.
• Strong attention to detail and ability to follow procedures.

Responsibilities

• Perform scheduled service and maintenance of grit systems and oil-water separators.
• Operate vacuum trucks and related equipment per safety policies.
• Remove liquid and solid waste materials and inspect for issues.
• Maintain accurate service documentation and site observations.
• Communicate professionally with customer representatives and safety personnel.
• Follow all site-specific safety rules and PPE requirements.

Skills

CDL required

Safety-minded

Mechanical aptitude

Attention to detail

Independent work

Professional communication

Tools

Vacuum truck operation

Industrial equipment operation

Job 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

Work Environment

• 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
• Professional 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
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